{"id":1121,"date":"2025-10-27T16:05:09","date_gmt":"2025-10-27T08:05:09","guid":{"rendered":"https:\/\/www.youvii.site\/?p=1121"},"modified":"2025-10-27T16:05:09","modified_gmt":"2025-10-27T08:05:09","slug":"qiangshukanqiangyi","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/qiangshukanqiangyi","title":{"rendered":"\u5f3a\u53d4\u4f83\u5899(\u4e00)"},"content":{"rendered":"<h1>\u4ec0\u4e48\u662f\u9632\u706b\u5899<\/h1>\n<p>\u9632\u706b\u5899\u4e3b\u8981\u90e8\u7f72\u5728\u7f51\u7edc\u8fb9\u754c\uff0c\u5bf9\u8fdb\u51fa\u7f51\u7edc\u7684\u8bbf\u95ee\u884c\u4e3a\u8fdb\u884c\u63a7\u5236\uff0c\u5b89\u5168\u9632\u62a4\u662f\u5176\u6838\u5fc3\u7279\u6027\u3002<\/p>\n<p>\u8def\u7531\u5668\u4e0e\u4ea4\u6362\u673a\u7684\u672c\u8d28\u662f\u8f6c\u53d1\uff0c\u9632\u706b\u5899\u7684\u672c\u8d28\u662f\u63a7\u5236\u3002<\/p>\n<h1>\u9632\u706b\u5899\u7684\u53d1\u5c55\u53f2<\/h1>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2440361bb.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747386562573-2a47b215-8d0a-4339-88cc-878afac8f832.png\" \/><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">1989-1994\n1989\u5e74\u4ea7\u751f\u4e86\u5305\u8fc7\u6ee4\u9632\u706b\u5899\uff0c\u5b9e\u73b0\u7b80\u5355\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u7b2c\u4e00\u4ee3\u9632\u706b\u5899\u3002\n\u968f\u540e\u51fa\u73b0\u4e86\u4ee3\u7406\u9632\u706b\u5899\uff0c\u5728\u5e94\u7528\u5c42\u4ee3\u7406\u5185\u90e8\u7f51\u7edc\u548c\u5916\u90e8\u7f51\u7edc\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5c5e\u4e8e\u7b2c\u4e8c\u4ee3\u9632\u706b\u5899\u3002\u4ee3\u7406\u9632\u706b\u5899\u5b89\u5168\u6027\u8f83\u9ad8\uff0c\u4f46\u5904\u7406\u901f\u5ea6\u6162\uff0c\u800c\u4e14\u5bf9\u6bcf\u4e00\u79cd\u5e94\u7528\u5f00\u53d1\u4e00\u4e2a\u5bf9\u5e94\u7684\u4ee3\u7406\u670d\u52a1\u662f\u5f88\u96be\u505a\u5230\u7684\uff0c\u56e0\u6b64\u53ea\u80fd\u5bf9\u5c11\u91cf\u7684\u5e94\u7528\u63d0\u4f9b\u4ee3\u7406\u652f\u6301\u3002\n1994\u5e74CheckPoint\u516c\u53f8\u53d1\u5e03\u4e86\u7b2c\u4e00\u53f0\u57fa\u4e8e\u72b6\u6001\u68c0\u6d4b\u6280\u672f\u7684\u9632\u706b\u5899\uff0c\u901a\u8fc7\u52a8\u6001\u5206\u6790\u62a5\u6587\u7684\u72b6\u6001\u6765\u51b3\u5b9a\u5bf9\u62a5\u6587\u91c7\u53d6\u7684\u52a8\u4f5c\uff0c\u4e0d\u9700\u8981\u4e3a\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u8fdb\u884c\u4ee3\u7406\uff0c\u5904\u7406\u901f\u5ea6\u5feb\u800c\u4e14\u5b89\u5168\u6027\u9ad8\u3002\u72b6\u6001\u68c0\u6d4b\u9632\u706b\u5899\u88ab\u79f0\u4e3a\u7b2c\u4e09\u4ee3\u9632\u706b\u5899\u3002\uff08\u5173\u4e8eCheckpoint\uff1a\u4ee5\u8272\u5217\u7684\u4e00\u5bb6\u5b89\u5168\u5382\u5546\uff0c\u53d1\u5e03\u4e86\u7b2c\u4e00\u53f0\u57fa\u4e8e\u72b6\u6001\u68c0\u6d4b\u6280\u672f\u7684\u5546\u4e1a\u5316\u9632\u706b\u5899\u3002\uff09\n\n1995-2004\n\u72b6\u6001\u68c0\u6d4b\u9632\u706b\u5899\u5df2\u7ecf\u6210\u4e3a\u8d8b\u52bf\u3002\u9664\u4e86\u8bbf\u95ee\u63a7\u5236\u529f\u80fd\u4e4b\u5916\uff0c\u9632\u706b\u5899\u4e0a\u4e5f\u5f00\u59cb\n\u589e\u52a0\u4e00\u4e9b\u5176\u4ed6\u529f\u80fd\uff0c\u5982VPN\u3002\n\u4e00\u4e9b\u4e13\u7528\u8bbe\u5907\u4e5f\u5728\u8fd9\u4e00\u65f6\u671f\u51fa\u73b0\u4e86\u96cf\u5f62\u3002\u4f8b\u5982\uff0c\u4e13\u95e8\u4fdd\u62a4Web\u670d\u52a1\u5668\u5b89\u5168\u7684WAF\uff08WebApplicationFirewall\uff0cWeb\u5e94\u7528\u9632\u706b\u5899\uff09\u8bbe\u5907\u3002\n2004\u5e74\u4e1a\u754c\u63d0\u51fa\u4e86UTM\uff08UnitedThreatManagement\uff0c\u7edf\u4e00\u5a01\u80c1\u7ba1\u7406\uff09\u7684\u6982\u5ff5\uff0c\u5c06\u4f20\u7edf\u9632\u706b\u5899\u3001\u5165\u4fb5\u68c0\u6d4b\u3001\u9632\u75c5\u6bd2\u3001URL\u8fc7\u6ee4\u3001\u5e94\u7528\u7a0b\u5e8f\u63a7\u5236\u3001\u90ae\u4ef6\u8fc7\u6ee4\u7b49\u529f\u80fd\u878d\u5408\u5230\u4e00\u53f0\u9632\u706b\u5899\u4e0a\uff0c\u5b9e\u73b0\u5168\u9762\u7684\u5b89\u5168\u9632\u62a4\u3002\n\n2005-now\n2004\u5e74\u540e\uff0cUTM\u5e02\u573a\u5f97\u5230\u4e86\u5feb\u901f\u7684\u53d1\u5c55\uff0cUTM\u4ea7\u54c1\u5982\u96e8\u540e\u6625\u7b0b\u822c\u6d8c\u73b0\uff0c\u4f46\u9762\u4e34\u65b0\u7684\u95ee\u9898\u3002\u9996\u5148\u662f\u5bf9\u5e94\u7528\u5c42\u4fe1\u606f\u7684\u68c0\u6d4b\u7a0b\u5ea6\u53d7\u5230\u9650\u5236\uff0c\u5c31\u50cf\u5141\u8bb8\u5973\u4eba\u548c\u7537\u4eba\u901a\u8fc7\uff0c\u62d2\u7edd\u5927\u8c61\u901a\u8fc7\uff0c\u90a3\u662f\u5426\u5141\u8bb8\u6b66\u88c5\u76f4\u5347\u673a\u901a\u8fc7\u5462\uff1f\u6b64\u65f6\u5c31\u9700\u8981\n\u66f4\u9ad8\u7ea7\u7684\u68c0\u6d4b\u624b\u6bb5\uff0c\u8fd9\u4f7f\u5f97DPI\uff08DeepPacketInspection\uff0c\u6df1\u5ea6\u62a5\u6587\u68c0\u6d4b\uff09\u6280\u672f\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u5176\u6b21\u662f\u6027\u80fd\u95ee\u9898\uff0c\u591a\u4e2a\u529f\u80fd\u540c\u65f6\u8fd0\u884c\uff0cUTM\u8bbe\u5907\u7684\u5904\u7406\u6027\u80fd\u5c06\u4f1a\u4e25\u91cd\u4e0b\u964d\u3002\n2008\u5e74PaloAltoNetworks\u516c\u53f8\u53d1\u5e03\u4e86\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\uff0c\u89e3\u51b3\u4e86\u591a\u4e2a\u529f\u80fd\u540c\u65f6\u8fd0\u884c\u65f6\u6027\u80fd\u4e0b\u964d\u7684\u95ee\u9898\u3002\u540c\u65f6\uff0c\u8fd8\u53ef\u4ee5\u57fa\u4e8e\u7528\u6237\u3001\u5e94\u7528\u548c\u5185\u5bb9\u6765\u8fdb\u884c\u7ba1\u63a7\u3002\uff08\u5173\u4e8ePaloAltoNetworks\uff1a\u7f8e\u56fd\u7684\u4e00\u5bb6\u5b89\u5168\u5382\u5546\uff0c\u7387\u5148\u63a8\u51fa\u4e86\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\uff0c\u79f0\u5f97\u4e0a\u662f\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\u7684\u5f00\u5c71\u9f3b\u7956\u3002\uff09\n2009\u5e74Gartner\u5bf9\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\u8fdb\u884c\u4e86\u5b9a\u4e49\uff0c\u660e\u786e\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\u5e94\u5177\u5907\u7684\u529f\u80fd\u7279\u6027\u3002\u968f\u540e\u5404\u4e2a\u5b89\u5168\u5382\u5546\u4e5f\u63a8\u51fa\u4e86\u5404\u81ea\u7684\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\u4ea7\u54c1\uff0c\u9632\u706b\u5899\u8fdb\u5165\u4e86\u4e00\u4e2a\u65b0\u7684\u65f6\u4ee3\u3002\uff08\u5173\u4e8eGartner\uff1a\u8457\u540d\u7684IT\u7814\u7a76\u4e0e\u987e\u95ee\u54a8\u8be2\u516c\u53f8\uff0c\u5176\u7814\u7a76\u8303\u56f4\u8986\u76d6\u5168\u90e8IT\u4ea7\u4e1a\uff0c\u4f17\u6240\u5468\u77e5\u7684\u9b54\u529b\u8c61\u9650\u5c31\u51fa\u81eaGartner\u3002\u57282013\u5e74\u534e\u4e3a\u6210\u4e3a\u9996\u5b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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff244362e21.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747387262786-3a30366d-c0b4-455a-8009-ca1dd04ddff8.png\" \/><\/p>\n<h2>USG6000<\/h2>\n<p>\u4e3a\u534e\u4e3a\u9762\u5411\u4e0b\u4e00\u4ee3\u7f51\u7edc\u73af\u5883\u7684\u9632\u706b\u5899\u4ea7\u54c1\uff0cUSG6600\u63d0\u4f9b\u4ee5\u5e94\u7528\u5c42\u5a01\u80c1\u9632\u62a4\u4e3a\u6838\u5fc3\u7684\u4e0b\u4e00\u4ee3\u7f51\u7edc\u5b89\u5168\u65b9\u6848\uff0c\u8ba9\u7f51\u7edc\u7ba1\u7406\u5458\u91cd\u65b0\u638c\u63a7\u7f51\u7edc\uff0c\u770b\u5f97\u66f4\u6e05\u3001\u7ba1\u5f97\u66f4\u7ec6\u3001\u7528\u5f97\u66f4\u6613\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff244653869.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747387293958-4c1bea6f-014b-44e8-977c-c62f4b20e286.png\" \/><\/p>\n<h2>USG9500<\/h2>\n<p>\u4e1a\u754c\u9996\u6b3eT\u7ea7\u6570\u636e\u4e2d\u5fc3\u9632\u706b\u5899\uff0cUSG9500\u91c7\u7528\u5206\u5e03\u5f0f\u8f6f\u786c\u4ef6\u8bbe\u8ba1\uff0c\uff0c\u5c06\u4ea4\u6362\u3001\u8def\u7531\u3001\u5b89\u5168\u670d\u52a1\u6574\u5408\u5230\u7edf\u4e00\u7684\u8bbe\u5907\u4e2d\uff0c\u5728\u5927\u578b\u6570\u636e\u4e2d\u5fc3\u3001\u5927\u578b\u4f01\u4e1a\u3001\u6559\u80b2\u3001\u653f\u5e9c\u3001\u5e7f\u7535\u7b49\u884c\u4e1a\u548c\u5178\u578b\u573a\u666f\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff244c6c7ff.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747387357006-3d12d505-95f8-4f3e-a28c-529280e55179.png\" \/><\/p>\n<h1>\u5b89\u5168\u533a\u57df<\/h1>\n<p>\u5728\u9632\u706b\u5899\u4e0a\u5f15\u5165\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff1a\u5b89\u5168\u533a\u57df\uff08SecurityZone\uff09\uff0c\u7b80\u79f0\u4e3a\u533a\u57df\uff08Zone\uff09\u3002<\/p>\n<p>\u5b89\u5168\u533a\u57df\u662f\u4e00\u4e2a\u6216\u591a\u4e2a\u63a5\u53e3\u7684\u96c6\u5408\uff0c\u662f\u9632\u706b\u5899\u533a\u522b\u4e8e\u8def\u7531\u5668\u7684\u4e3b\u8981\u7279\u6027\u3002\u9632\u706b\u5899\u901a\u8fc7\u5b89\u5168\u533a\u57df\u6765\u5212\u5206\u7f51\u7edc\u3001\u6807\u8bc6\u62a5\u6587\u6d41\u52a8\u7684\u201c\u8def\u7ebf\u201d\uff0c\u5f53\u62a5\u6587\u5728\u4e0d\u540c\u7684\u5b89\u5168\u533a\u57df\u4e4b\u95f4\u6d41\u52a8\u65f6\uff0c\u624d\u4f1a\u89e6\u53d1\u5b89\u5168\u68c0\u67e5<\/p>\n<p>\u9632\u706b\u5899\u901a\u8fc7\u63a5\u53e3\u6765\u8fde\u63a5\u7f51\u7edc\uff0c\u5c06\u63a5\u53e3\u5212\u5206\u5230\u5b89\u5168\u533a\u57df\u540e\uff0c\u901a\u8fc7\u63a5\u53e3\u5c31\u628a\u5b89\u5168\u533a\u57df\u548c\u7f51\u7edc\u5173\u8054\u8d77\u6765\u3002\u901a\u5e38\u8bf4\u67d0\u4e2a\u5b89\u5168\u533a\u57df\uff0c\u5c31\u53ef\u4ee5\u8868\u793a\u8be5\u5b89\u5168\u533a\u57df\u4e2d\u63a5\u53e3\u6240\u8fde\u63a5\u7684\u7f51\u7edc\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24507cad1.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747387459259-d9986871-fa74-4cbd-b109-16b05683efe5.png\" \/><\/p>\n<p>\u901a\u8fc7\u628a\u63a5\u53e3\u5212\u5206\u5230\u4e0d\u540c\u7684\u5b89\u5168\u533a\u57df\u4e2d\uff0c\u5c31\u53ef\u4ee5\u5728\u9632\u706b\u5899\u4e0a\u5212\u5206\u51fa\u4e0d\u540c\u7684\u7f51\u7edc\u3002<\/p>\n<p>\u63a5\u53e31\u548c2\u653e\u5230\u5b89\u5168\u533a\u57dfA\u4e2d<\/p>\n<p>\u63a5\u53e33\u653e\u5230\u5b89\u5168\u533a\u57dfB\u4e2d<\/p>\n<p>\u63a5\u53e34\u653e\u5230\u5b89\u5168\u533a\u57dfC\u4e2d<\/p>\n<p>\u8fd9\u6837\u5728\u9632\u706b\u5899\u4e0a\u5c31\u5b58\u5728\u4e86\u4e09\u4e2a\u5b89\u5168\u533a\u57df\uff0c\u5bf9\u5e94\u4e09\u4e2a\u7f51\u7edc\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff245378ca6.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747387651062-645e2f95-09f0-4bfb-bd64-ca7afb97d81a.png\" \/><\/p>\n<p>\u534e\u4e3a\u9632\u706b\u5899\u4ea7\u54c1\u4e0a\u9ed8\u8ba4\u5df2\u7ecf\u4e3a\u5927\u5bb6\u63d0\u4f9b\u4e86\u4e09\u4e2a\u5b89\u5168\u533a\u57df\uff0c\u5206\u522b\u662fTrust\u3001DMZ\u548cUntrust\uff0c<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">Trust\uff1a\u8be5\u533a\u57df\u5185\u7f51\u7edc\u7684\u53d7\u4fe1\u4efb\u7a0b\u5ea6\u9ad8\uff0c\u901a\u5e38\u7528\u6765\u5b9a\u4e49\u5185\u90e8\u7528\u6237\u6240\u5728\u7684\u7f51\u7edc\nDMZ\uff1a\u8be5\u533a\u57df\u5185\u7f51\u7edc\u7684\u53d7\u4fe1\u4efb\u7a0b\u5ea6\u4e2d\u7b49\uff0c\u901a\u5e38\u7528\u6765\u5b9a\u4e49\u5185\u90e8\u670d\u52a1\u5668\u6240\u5728\u7684\u7f51\u7edc\nUntrust\uff1a\u8be5\u533a\u57df\u4ee3\u8868\u7684\u662f\u4e0d\u53d7\u4fe1\u4efb\u7684\u7f51\u7edc\uff0c\u901a\u5e38\u7528\u6765\u5b9a\u4e49Internet\u7b49\u4e0d\u5b89\u5168\u7684\u7f51\u7edc<\/code><\/pre>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24560c7a9.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747558368885-76f4b1e5-c948-4598-9982-afc83793e881.png\" \/><\/p>\n<p>\u7531\u6b64\u6211\u4eec\u53ef\u4ee5\u5f97\u77e5\uff0c\u4e0d\u540c\u7f51\u7edc\u95f4\u4e92\u8bbf\u65f6\u62a5\u6587\u5728\u9632\u706b\u5899\u4e0a\u6240\u8d70\u7684\u8def\u7ebf\u3002\u4f8b\u5982\uff0c\u5f53\u5185\u90e8\u7f51\u7edc\u4e2d\u7684\u7528\u6237\u8bbf\u95eeInternet\u65f6\uff0c\u62a5\u6587\u5728\u9632\u706b\u5899\u4e0a\u7684\u8def\u7ebf\u662f\u4eceTrust\u533a\u57df\u5230Untrust\u533a\u57df\uff1b\u5f53Internet\u4e0a\u7684\u7528\u6237\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668\u65f6\uff0c\u62a5\u6587\u5728\u9632\u706b\u5899\u4e0a\u7684\u8def\u7ebf\u662f\u4eceUntrust\u533a\u57df\u5230DMZ\u533a\u57df\u3002<\/p>\n<p>\u9664\u4e86\u5728\u4e0d\u540c\u7f51\u7edc\u4e4b\u95f4\u6d41\u52a8\u7684\u62a5\u6587\u4e4b\u5916\u5982\u4f55\u5728\u9632\u706b\u5899\u4e0a\u6807\u8bc6\uff08\u4f8b\u5982\u6211\u4eec\u767b\u5f55\u5230\u9632\u706b\u5899\u4e0a\u8fdb\u884c\u914d\u7f6e\uff09\uff0c\u4ee5\u53ca\u4ece\u9632\u706b\u5899\u672c\u8eab\u53d1\u51fa\u7684\u62a5\u6587\u7684\u8def\u7ebf\u5462\uff1f<\/p>\n<p>\u9632\u706b\u5899\u4e0a\u63d0\u4f9b\u4e86Local\u533a\u57df\uff0c\u4ee3\u8868\u9632\u706b\u5899\u672c\u8eab\u3002\u51e1\u662f\u7531\u9632\u706b\u5899\u4e3b\u52a8\u53d1\u51fa\u7684\u62a5\u6587\u5747\u53ef\u8ba4\u4e3a\u662f\u4eceLocal\u533a\u57df\u4e2d\u53d1\u51fa\uff0c\u51e1\u662f\u9700\u8981\u9632\u706b\u5899\u54cd\u5e94\u5e76\u5904\u7406\uff08\u800c\u4e0d\u662f\u8f6c\u53d1\uff09\u7684\u62a5\u6587\u5747\u53ef\u8ba4\u4e3a\u662f\u7531Local\u533a\u57df\u63a5\u6536<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2458602cb.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747558447097-d5ee89b1-6a42-4d0e-92ee-2f89d5fa160d.png\" \/><\/p>\n<p>\u5173\u4e8eLocal\u533a\u57df\uff0cLocal\u533a\u57df\u4e2d\u4e0d\u80fd\u6dfb\u52a0\u4efb\u4f55\u63a5\u53e3\uff0c\u4f46\u9632\u706b\u5899\u4e0a\u6240\u6709\u63a5\u53e3\u672c\u8eab\u90fd\u9690\u542b\u5c5e\u4e8eLocal\u533a\u57df\u3002<\/p>\n<p>:::info<br \/>\n\u62a5\u6587\u901a\u8fc7\u63a5\u53e3\u53bb\u5f80\u67d0\u4e2a\u7f51\u7edc\u65f6\uff0c\u76ee\u7684\u5b89\u5168\u533a\u57df\u662f\u8be5\u63a5\u53e3\u6240\u5728\u7684\u5b89\u5168\u533a\u57df\uff1b\u62a5\u6587\u901a\u8fc7\u63a5\u53e3\u5230\u8fbe\u9632\u706b\u5899\u672c\u8eab\u65f6\uff0c\u76ee\u7684\u5b89\u5168\u533a\u57df\u662fLocal\u533a\u57df\u3002<\/p>\n<p>:::<\/p>\n<p>\u7ea7\u522b\u786e\u5b9a\uff0c\u5b89\u5168\u533a\u57df\u5c31\u88ab\u5206\u6210\u4e86\u4e09\u516d\u4e5d\u7b49\uff0c\u62a5\u6587\u5728\u4e24\u4e2a\u5b89\u5168\u533a\u57df\u4e4b\u95f4\u6d41\u52a8\u65f6\uff0c\u89c4\u5b9a\uff1a<\/p>\n<p><strong>\u62a5\u6587\u4ece\u4f4e\u7ea7\u522b\u7684\u5b89\u5168\u533a\u57df\u5411\u9ad8\u7ea7\u522b\u7684\u5b89\u5168\u533a\u57df\u6d41\u52a8\u65f6\u4e3a\u5165\u65b9\u5411\uff08Inbound\uff09\uff0c\u62a5\u6587\u4ece\u7531\u9ad8\u7ea7\u522b\u7684\u5b89\u5168\u533a\u57df\u5411\u4f4e\u7ea7\u522b\u7684\u5b89\u5168\u533a\u57df\u6d41\u52a8\u65f6\u4e3a\u51fa\u65b9\u5411\uff08Outbound\uff09\u3002<\/strong><\/p>\n<hr \/>\n<p>\u62a5\u6587\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u6d41\u52a8\u65f6\uff0c\u5c06\u4f1a\u89e6\u53d1\u4e0d\u540c\u7684\u5b89\u5168\u68c0\u67e5\u3002\u4e0b\u56fe\u6807\u660e\u4e86Local\u533a\u57df\u3001Trust\u533a\u57df\u3001DMZ\u533a\u57df\u548cUntrust\u533a\u57df\u95f4\u7684\u65b9\u5411\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff245a8b81a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747558586912-0a47313b-6581-46ab-8e20-8a52e05293c5.png\" \/><\/p>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e86\u9632\u706b\u5899\u90e8\u7f72\u5728\u4f01\u4e1a\u5185\u90e8\u7684\u771f\u5b9e\u73af\u5883\u7ec4\u7f51\u56fe\u3002\u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u51fa\uff0c\u4f01\u4e1a\u5185\u90e8\u7f51\u7edc\u4e2d\u7684\u7528\u6237\u3001\u670d\u52a1\u5668\uff0c\u4ee5\u53ca\u4f4d\u4e8e\u5916\u90e8\u7684Internet\uff0c\u90fd\u88ab\u5212\u5206\u5230\u4e0d\u540c\u7684\u5b89\u5168\u533a\u57df\u4e2d\u4e86\uff0c\u9632\u706b\u5899\u5bf9\u5404\u4e2a\u5b89\u5168\u533a\u57df\u4e4b\u95f4\u6d41\u52a8\u7684\u62a5\u6587\u8fdb\u884c\u5b89\u5168\u68c0\u67e5\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff245dea373.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747559425830-b6245812-6b90-4030-bceb-1b3e4bc160f8.png\" \/><\/p>\n<p>:::info<br \/>\nDMZ\uff08DemilitarizedZone\uff09\u8d77\u6e90\u4e8e\u519b\u65b9\uff0c\u662f\u4ecb\u4e8e\u4e25\u683c\u7684\u519b\u4e8b\u7ba1\u5236\u533a\u548c\u677e\u6563\u7684\u516c\u5171\u533a\u57df\u4e4b\u95f4\u7684\u4e00\u79cd\u90e8\u5206\u7ba1\u5236\u7684\u533a\u57df\u3002\u9632\u706b\u5899\u5f15\u7528\u4e86\u8fd9\u4e00\u672f\u8bed\uff0c\u6307\u4ee3\u4e00\u4e2a\u4e0e\u5185\u90e8\u7f51\u7edc\u548c\u5916\u90e8\u7f51\u7edc\u5206\u79bb\u7684\u5b89\u5168\u533a\u57df\u3002<\/p>\n<p>:::<\/p>\n<h1>\u72b6\u6001\u68c0\u6d4b<\/h1>\n<p>\u72b6\u6001\u68c0\u6d4b\u9632\u706b\u5899\u7684\u51fa\u73b0\u662f\u9632\u706b\u5899\u53d1\u5c55\u5386\u53f2\u4e0a\u91cc\u7a0b\u7891\u5f0f\u7684\u4e8b\u4ef6\uff0c\u800c\u5176\u6240\u4f7f\u7528\u7684\u72b6\u6001\u68c0\u6d4b\u548c\u4f1a\u8bdd\u673a\u5236\uff0c\u76ee\u524d\u5df2\u7ecf\u6210\u4e3a\u9632\u706b\u5899\u4ea7\u54c1\u7684\u57fa\u672c\u529f\u80fd\uff0c\u4e5f\u662f\u9632\u706b\u5899\u5b9e\u73b0\u5b89\u5168\u9632\u62a4\u7684\u57fa\u7840\u6280\u672f\u3002<\/p>\n<p>\u4ece\u72b6\u6001\u68c0\u6d4b\u9632\u706b\u5899\u4ea7\u751f\u7684\u80cc\u666f\u8bf4\u8d77\u3002<\/p>\n<p>\u5148\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u7edc\u73af\u5883\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0cPC\u548cWeb\u670d\u52a1\u5668\u4f4d\u4e8e\u4e0d\u540c\u7684\u7f51\u7edc\uff0c\u5206\u522b\u4e0e\u9632\u706b\u5899\u76f8\u8fde\uff0cPC\u4e0eWeb\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u53d7\u5230\u9632\u706b\u5899\u7684\u63a7\u5236\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24609c2f6.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747560451345-aa1adf09-5f64-485e-9b32-47671b7a857f.png\" \/><\/p>\n<p>\u5f53PC\u9700\u8981\u8bbf\u95eeWeb\u670d\u52a1\u5668\u6d4f\u89c8\u7f51\u9875\u65f6\uff0c\u5728\u9632\u706b\u5899\u4e0a\u5fc5\u987b\u914d\u7f6e\u5982\u4e0b\u7684\u4e00\u6761\u89c4\u5219\uff0c\u5141\u8bb8PC\u8bbf\u95eeWeb\u670d\u52a1\u5668\u7684\u62a5\u6587\u901a\u8fc7\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff246882e5a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747560463519-63555d2f-440f-417e-ac90-2f1ed5322122.png\" \/><\/p>\n<blockquote>\n<p>\u6e90\u7aef\u53e3\u5904\u7684*\u8868\u793a\u4efb\u610f\u7684\u7aef\u53e3\uff0c\u8fd9\u662f\u56e0\u4e3aPC\u5728\u8bbf\u95eeWeb\u670d\u52a1\u5668\u65f6\uff0c\u5b83\u7684\u64cd\u4f5c\u7cfb\u7edf\u51b3\u5b9a\u4e86\u6240\u4f7f\u7528\u7684\u6e90\u7aef\u53e3\uff0c\u4f8b\u5982\uff0c\u5bf9\u4e8eWINDOWS\u64cd\u4f5c\u7cfb\u7edf\u6765\u8bf4\uff0c\u8fd9\u4e2a\u503c\u53ef\u80fd\u662f1024~65535\u8303\u56f4\u5185\u4efb\u610f\u7684\u4e00\u4e2a\u7aef\u53e3\u3002\u8fd9\u4e2a\u503c\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u6240\u4ee5\u8fd9\u91cc\u8bbe\u5b9a\u4e3a\u4efb\u610f\u7aef\u53e3\u3002<\/p>\n<\/blockquote>\n<p>\u914d\u7f6e\u4e86\u8fd9\u6761\u89c4\u5219\u540e\uff0cPC\u53d1\u51fa\u7684\u62a5\u6587\u5c31\u53ef\u4ee5\u987a\u5229\u901a\u8fc7\u9632\u706b\u5899\uff0c\u5230\u8fbeWeb\u670d\u52a1\u5668\u3002\u7136\u540eWeb\u670d\u52a1\u5668\u5c06\u4f1a\u5411PC\u53d1\u9001\u56de\u5e94\u62a5\u6587\uff0c\u8fd9\u4e2a\u62a5\u6587\u4e5f\u8981\u7a7f\u8fc7\u9632\u706b\u5899\u624d\u80fd\u5230\u8fbePC\u3002\u5728\u72b6\u6001\u68c0\u6d4b\u9632\u706b\u5899\u51fa\u73b0\u4e4b\u524d\uff0c\u5305\u8fc7\u6ee4\u9632\u706b\u5899\u8fd8\u5fc5\u987b\u914d\u7f6e\u5982\u4e0b\u6240\u793a\u7684\u89c4\u52192\uff0c\u5141\u8bb8\u53cd\u65b9\u5411\u7684\u62a5\u6587\u901a\u8fc7\u3002<\/p>\n<p><img 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2476245b5.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747561250694-f8668a5e-9ad2-4461-8d52-b3fa19a29025.png\" 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alt=\"1747561280245-d24580ed-b778-49f9-aeb6-ec7166f503c3.png\" 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff247ae51c9.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747624321519-f6c3e8c8-44a7-40ee-9e9f-cf7fb0ef4195.png\" 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decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff247d1a142.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747624515690-aabf0dcd-a140-495d-89f8-676c7a8dfb01.png\" \/><\/p>\n<p>:::info<br 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff248044fc9.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747635960966-b7ebe703-3ee3-46a2-ae95-27e124878d15.png\" \/><\/p>\n<p>\u8fd9\u6837\u914d\u7f6e\u5c06\u65e0\u6cd5\u5b9e\u73b0\u201c\u7981\u6b62\u4e24\u53f0\u4e34\u65f6\u529e\u516cPC\uff0810.2.1.1\u300110.2.1.2\uff09\u8bbf\u95eeFTP\u670d\u52a1\u5668\u201d\u7684\u9700\u6c42\u56e0\u4e3a\u8fd9\u4e24\u4e2aIP\u5df2\u7ecf\u547d\u4e2d\u4e86\u7b2c\u4e00\u6761\u5bbd\u6cdb\u7684\u7b56\u7565\uff0c\u65e0\u6cd5\u518d\u547d\u4e2d\u7b2c\u4e8c\u6761\u7b56\u7565\u3002\u6240\u4ee5\u4e24\u6761\u7b56\u7565\u9700\u8981\u8c03\u6362\u987a\u5e8f\u3002<\/p>\n<h1>\u5b89\u5168\u7b56\u7565\u7684\u53d1\u5c55<\/h1>\n<p>\u968f\u7740\u9632\u706b\u5899\u4ea7\u54c1\u7684\u63a8\u9648\u51fa\u65b0\uff0c\u5305\u8fc7\u6ee4\u4e5f\u9010\u6e10\u8fdb\u5316\uff0c\u5df2\u7ecf\u53d1\u5c55\u6210\u4e3a\u53ef\u4ee5\u505a\u6df1\u5ea6\u5185\u5bb9\u68c0\u67e5\u7684\u201c\u5b89\u5168\u7b56\u7565\u201d\u3002\u7b56\u7565\u5339\u914d\u6761\u4ef6\u4e5f\u5df2\u7ecf\u5728\u201c\u4e94\u5143\u7ec4\u201d\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u7528\u6237\u3001\u5e94\u7528\u7b49\u5339\u914d\u6761\u4ef6\uff0c\u8fd8\u589e\u52a0\u4e86\u5185\u5bb9\u5b89\u5168\u68c0\u6d4b\u5904\u7406\u3002\u4e0b\u56fe\u5c55\u73b0\u4e86\u5b89\u5168\u7b56\u7565\u7684\u53d1\u5c55\u5386\u7a0b\uff0c\u5927\u5bb6\u53ef\u4ee5\u770b\u5230NGFW\u4e2d\u5df2\u7ecf\u5b9e\u73b0\u4e86\u57fa\u4e8e\u201c\u4e03\u5143\u7ec4\u201d\u7684\u5b89\u5168\u7b56\u7565\u3002\u7ec6\u7c92\u5ea6\u7684\u5b89\u5168\u7ba1\u63a7\u4f7f\u85cf\u533f\u4e8e\u6d41\u91cf\u4e2d\u7684\u5371\u9669\u5206\u5b50\u65e0\u6240\u9041\u5f62\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24828b68d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747636433316-05f68289-0c0f-4f78-b056-1741bc3a59fc.png\" \/><\/p>\n<blockquote>\n<p>USG2000\/5000\u662fUTM\u4ea7\u54c1\uff0cUSG6000\u662f\u4e0b\u4e00\u4ee3\u9632\u706b\u5899NGFW\u4ea7\u54c1\u3002USG9500\u9ad8\u7aef\u5899\u4e5f\u5728\u9010\u6b65\u5207\u6362\u5230\u5b89\u5168\u7b56\u7565\uff0c\u5355\u7eaf\u57fa\u4e8eACL\u7684\u5305\u8fc7\u6ee4\u6b63\u5728\u9010\u6b65\u9000\u51fa\u5386\u53f2\u821e\u53f0\u3002<\/p>\n<\/blockquote>\n<h2>\u57fa\u4e8eACL\u7684\u5305\u8fc7\u6ee4<\/h2>\n<p><font style=\"color:#EDCE02;background-color:#7E45E8;\">\u524d\u671f\u5df2\u7ecf\u63d0\u5230\u8fd9\u79cd\u5355\u7eaf\u7684\u5305\u8fc7\u6ee4\u6b63\u5728\u9010\u6b65\u9000\u51fa\u5386\u53f2\u821e\u53f0<\/font><font style=\"background-color:#7E45E8;\"><\/font><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">\u5305\u8fc7\u6ee4\u7684\u5904\u7406\u8fc7\u7a0b\uff1a\n1\u3001\u83b7\u53d6\u9700\u8981\u8f6c\u53d1\u6570\u636e\u5305\u7684\u62a5\u6587\u5934\u4fe1\u606f\n2\u3001\u4e0e\u8bbe\u5b9a\u7684ACL\u89c4\u5219\u8fdb\u884c\u6bd4\u8f83\uff0c\u6839\u636e\u6bd4\u8f83\u7684\u7ed3\u679c\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u8f6c\u53d1\u6216\u8005\u4e22\u5f03<\/code><\/pre>\n<p>\u5b9e\u73b0\u5305\u8fc7\u6ee4\u7684\u6838\u5fc3\u6280\u672f\u662f\u8bbf\u95ee\u63a7\u5236\u5217\u8868ACL<\/p>\n<p>\u56e0\u6b64\u5305\u8fc7\u6ee4\u53ea\u80fd\u57fa\u4e8eIP\u5730\u5740\u3001\u7aef\u53e3\u53f7\u7b49\u63a7\u5236\u6d41\u91cf\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u9632\u706b\u5899\uff0c\u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u5e94\u7528\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff248552bc8.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747638480311-705a5dcb-4cbe-4001-8725-8174b70e91d1.png\" \/><\/p>\n<p>\u57fa\u4e8eACL\u7684\u5305\u8fc7\u6ee4\u7684\u914d\u7f6e\u65b9\u5f0f\u662f\u5148\u914d\u7f6e\u597d\u5305\u542b\u591a\u6761\u6570\u636e\u6d41\u89c4\u5219\uff08rule\uff09\u7684ACL\uff0c\u5176\u4e2d\u6bcf\u6761rule\u5305\u542b\u6570\u636e\u6d41\u7684\u5339\u914d\u6761\u4ef6\u548cpermit\/deny\u52a8\u4f5c\uff0c\u7136\u540eACL\u518d\u88ab\u57df\u95f4\u5305\u8fc7\u6ee4\u5f15\u7528\u3002\u4e00\u4e2a\u57df\u95f4\u53ea\u80fd\u5f15\u7528\u4e00\u4e2aACL\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2487ca847.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747638546597-ee0b340d-a541-4d07-a0cc-45d54df4b343.png\" \/><\/p>\n<h2>\u53d1\u5c55\u4e2d\u671f\u7684UTM\u8bbe\u5907\u5b89\u5168\u7b56\u7565<\/h2>\n<p>\u968f\u7740USG2000\/5000\u7cfb\u5217UTM\u4ea7\u54c1\u7684\u63a8\u51fa\uff0c\u201c\u5b89\u5168\u7b56\u7565\u201d\u8fd9\u4e2a\u6982\u5ff5\u88ab\u63d0\u51fa\u3002\u662f\u56e0\u4e3a\u7b56\u7565\u4e2d\u96c6\u6210\u4e86UTM\u68c0\u6d4b\u529f\u80fd\uff0c\u914d\u7f6e\u65b9\u5f0f\u4e5f\u7531ACL\u65b9\u5f0f\u53d8\u4e3aPolicy\u65b9\u5f0f\u3002\u6240\u4ee5\u4e0d\u53eb\u5305\u8fc7\u6ee4\u4e86\u3002<\/p>\n<p>\u901a\u8fc7\u4e0b\u8fb9\u754c\u9762\u53ef\u4ee5\u76f4\u89c2\u7684\u770b\u5230\u5b89\u5168\u7b56\u7565\u7684\u7ec4\u6210\uff1a<\/p>\n<p>\u5305\u8fc7\u6ee4+UTM\u3002\u4e0d\u542f\u7528UTM\u529f\u80fd\u65f6\u5c31\u662f\u539f\u59cb\u7684\u5305\u8fc7\u6ee4\uff1b\u52a8\u4f5c\u4e3apermit\u7684\u5b89\u5168\u7b56\u7565\u53ef\u4ee5\u5f15\u7528IPS\u3001AV\u7b49UTM\u7b56\u7565\uff0c\u5bf9\u6d41\u91cf\u8fdb\u4e00\u6b65\u8fdb\u884cUTM\u68c0\u6d4b\uff0c\u901a\u8fc7\u68c0\u6d4b\u7684\u6d41\u91cf\u624d\u80fd\u771f\u6b63\u901a\u8fc7\u9632\u706b\u5899\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff248b58d39.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747638681914-4e3a5052-31f5-4234-b6d7-ce3ee25fff13.png\" \/><\/p>\n<blockquote>\n<p>\u534e\u4e3aUTM\u4ea7\u54c1\u4e2d\u5df2\u7ecf\u589e\u52a0\u201c\u7528\u6237\u201d\u8fd9\u4e2a\u5339\u914d\u6761\u4ef6\uff0c\u53e6\u5916\u914d\u7f6e\u65b9\u5f0f\u4e0a\u4e5f\u53d8\u4e3aPolicy\u65b9\u5f0f\uff0c\u5373\u5728\u914d\u7f6e\u5b89\u5168\u7b56\u7565\u65f6\u76f4\u63a5\u6307\u5b9a\u5339\u914d\u6570\u636e\u6d41\u7684\u591a\u79cd\u6761\u4ef6\u4ee5\u53ca\u52a8\u4f5c\uff0c\u914d\u7f6e\u66f4\u7b80\u5355\u3002<\/p>\n<\/blockquote>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff248e38a1a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747639195286-f0d4ba62-8c25-42e6-ae64-ac02793ebcf8.png\" \/><\/p>\n<p>\u6b64\u65f6\u7684\u5b89\u5168\u7b56\u7565\u5df2\u7ecf\u6709\u4e00\u4f53\u5316\u5b89\u5168\u5904\u7406\u7684\u96cf\u5f62\u4e86\uff0c\u5c06\u9632\u706b\u5899\u5305\u8fc7\u6ee4\u529f\u80fd\u548c\u5185\u5bb9\u5b89\u5168\u529f\u80fd\u8fdb\u884c\u4e86\u878d\u5408\uff0c\u4f46\u662f\u8fd8\u6709\u4e00\u5b9a\u5c40\u9650\u6027\u3002<\/p>\n<p>UTM\u66f4\u591a\u7684\u662f\u4f53\u73b0\u529f\u80fd\u96c6\u6210\uff0c\u5c06\u4f20\u7edf\u9632\u706b\u5899\u3001\u5165\u4fb5\u9632\u5fa1\u8bbe\u5907\u3001\u53cd\u75c5\u6bd2\u8bbe\u5907\u7b49\u96c6\u6210\u5230\u4e00\u4e2a\u786c\u4ef6\u3002UTM\u8bbe\u5907\u7684\u591a\u4e2a\u5b89\u5168\u529f\u80fd\u4e4b\u95f4\u7684\u7d27\u5bc6\u5ea6\u4e0d\u9ad8\uff0c\u62a5\u6587\u5339\u914d\u5b89\u5168\u7b56\u7565\u7684\u5339\u914d\u6761\u4ef6\u540e\u9700\u8981\u9010\u4e00\u8fdb\u5165\u5404\u4e2aUTM\u6a21\u5757\u8fdb\u884c\u68c0\u6d4b\u548c\u5904\u7406\uff0c\u5982\u679c\u540c\u65f6\u5f00\u542f\u591a\u4e2a\u5b89\u5168\u529f\u80fd\uff0c\u8bbe\u5907\u6027\u80fd\u5f80\u5f80\u5927\u5e45\u4e0b\u964d\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2490af962.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747639239623-8ea00236-1370-494a-af6a-271dd7f6919f.png\" \/><\/p>\n<p>\u53e6\u5916\u57fa\u4e8e\u5e94\u7528\u7684\u7ba1\u63a7\u9700\u8981\u914d\u7f6e\u989d\u5916\u7684\u5e94\u7528\u63a7\u5236\u7b56\u7565\uff0c\u4e0d\u80fd\u76f4\u63a5\u5c06\u5e94\u7528\u7c7b\u578b\u4f5c\u4e3a\u7b56\u7565\u7684\u5339\u914d\u6761\u4ef6\u3002\u4f8b\u5982\u9700\u8981\u7981\u6b62\u5458\u5de5\u4f7f\u7528IM\u5e94\u7528\uff0c\u6b64\u65f6\u8981\u989d\u5916\u914d\u7f6e\u7981\u6b62IM\u5e94\u7528\u7684\u201c\u5e94\u7528\u63a7\u5236\u7b56\u7565\u201d\u7136\u540e\u518d\u5728\u5b89\u5168\u7b56\u7565\u5f15\u7528\u751f\u6548\u3002\u4e5f\u5c31\u662f\u5e94\u7528\u8bc6\u522b\u4e0e\u7ba1\u63a7\u9700\u8981\u8fdb\u5165\u53e6\u5916\u4e00\u4e2a\u6a21\u5757\u5904\u7406\u3002\u8fd9\u6837\u5c31\u9700\u8981\u5f15\u5165\u65b0\u7684\u6982\u5ff5<\/p>\n<h2>NGFW\uff08<font style=\"color:rgb(51, 51, 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loading=\"lazy\" alt=\"1747639304772-548f3d47-7534-4166-bc0c-683f5ce18667.png\" \/><\/p>\n<p>\u90a3\u4e48NGFW\u5b89\u5168\u7b56\u7565\u5728\u914d\u7f6e\u548c\u5b9e\u73b0\u4e0a\u5230\u5e95\u6709\u54ea\u4e9b\u4e0d\u540c\u5462\uff1f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24972a466.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747639401041-c31231e2-8c61-42d8-9512-fab5b2310e1f.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2499b5f91.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747639407409-5323a21d-dc5f-49f4-9e37-6e81930046c8.png\" 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src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24b2dcc19.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640456579-466a5a2f-74f7-4660-b828-ad7a410c3260.png\" 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24b4c61ad.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640626363-22bd421b-09c9-4756-af24-97f30006ec68.png\" \/><\/p>\n<p>FTP\u8bbf\u95ee\u6210\u529f\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24b6ccbff.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640634751-a803e734-0515-4dcb-bb73-03d5420bc774.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24b8d9552.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640639872-7ff775c8-8120-48ce-b0db-74d49140fc45.png\" \/><\/p>\n<p>\u6b64\u65f6\u67e5\u770bServer-map\uff0c\u53ef\u4ee5\u770b\u5230\u5df2\u7ecf\u81ea\u52a8\u751f\u6210\u4e86\u7ef4\u62a4FTP\u6570\u636e\u8fde\u63a5\u7684\u8868\u9879\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24bb014d4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640646259-8963ae1c-6dbc-411c-82bf-2374c55fba73.png\" \/><\/p>\n<p>Server-map\u8868\u4e2d\u8bb0\u5f55\u4e86FTP\u670d\u52a1\u5668\u5411FTP\u5ba2\u6237\u7aef\u76842071\u7aef\u53e3\u53f7\u53d1\u8d77\u7684\u6570\u636e\u8fde\u63a5\uff0c\u670d\u52a1\u5668\u5411\u5ba2\u6237\u7aef\u53d1\u8d77\u6570\u636e\u8fde\u63a5\u65f6\u5c06\u5339\u914d\u8fd9\u4e2aServer-map\u8868\u8f6c\u53d1\uff0c\u800c\u65e0\u9700\u518d\u914d\u7f6e\u53cd\u5411\u5b89\u5168\u7b56\u7565\u3002<\/p>\n<p>\u6570\u636e\u8fde\u63a5\u7684\u7b2c\u4e00\u4e2a\u62a5\u6587\u5339\u914dServer-map\u8868\u8f6c\u53d1\u540e\uff0c\u9632\u706b\u5899\u5c06\u751f\u6210\u8fd9\u6761\u6570\u636e\u8fde\u63a5\u7684\u4f1a\u8bdd\uff0c\u8be5\u6570\u636e\u8fde\u63a5\u7684\u540e\u7eed\u62a5\u6587\u5339\u914d\u4f1a\u8bdd\u8868\u8f6c\u53d1\uff0c\u4e0d\u518d\u9700\u8981\u91cd\u65b0\u5339\u914dServer-map\u8868\u9879\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24bd19d59.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640685470-45cbec20-80a1-4516-94ad-2c0ab835535f.png\" 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src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24bf51d16.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640756965-6b0bd016-09dd-44fc-bf5e-32656cb8c1d0.png\" 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24c1d06b6.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747640940907-718ddc9b-a2f1-4712-9fec-4deb9ba36a8f.png\" \/><\/p>\n<h2>\u4ec0\u4e48\u662fDoS\u653b\u51fb<\/h2>\n<p>DoS\u662fDenialofService\u7684\u7b80\u79f0\uff0c\u5373\u62d2\u7edd\u670d\u52a1\uff0c\u9020\u6210DoS\u7684\u653b\u51fb\u884c\u4e3a\u88ab\u79f0\u4e3aDoS\u653b\u51fb\uff0c\u5176\u76ee\u7684\u662f\u4f7f\u8ba1\u7b97\u673a\u6216\u7f51\u7edc\u65e0\u6cd5\u63d0\u4f9b\u6b63\u5e38\u7684\u670d\u52a1\u3002<\/p>\n<blockquote>\n<p>\u201c\u62d2\u7edd\u670d\u52a1\u201d\u662f\u4ec0\u4e48\u610f\u601d\u5462\uff1f<\/p>\n<p>\u5c31\u50cf\u8857\u8fb9\u6709\u4e00\u4e2a\u5c0f\u9910\u9986\u4e3a\u5927\u5bb6\u63d0\u4f9b\u9910\u996e\u670d\u52a1\uff0c\u4f46\u662f\u8fd9\u6761\u8857\u4e0a\u6709\u4e00\u7fa4\u5730\u75de\u603b\u662f\u5bf9\u9910\u9986\u641e\u7834\u574f\uff0c\u6bd4\u5982\uff1a\u9738\u5360\u7740\u9910\u684c\u4e0d\u8ba9\u5176\u4ed6\u5ba2\u4eba\u5403\u996d\u4e5f\u4e0d\u7ed3\u8d26\u3001\u6216\u8005\u5835\u4f4f\u9910\u9986\u7684\u5927\u95e8\u4e0d\u8ba9\u5ba2\u4eba\u8fdb\u95e8\uff0c\u751a\u81f3\u9a9a\u6270\u9910\u9986\u7684\u670d\u52a1\u5458\u6216\u8005\u53a8\u5e08\u4e0d\u8ba9\u4ed6\u4eec\u6b63\u5e38\u5e72\u6d3b\uff0c\u8fd9\u6837\u9910\u9986\u5c31\u6ca1\u6709\u529e\u6cd5\u6b63\u5e38\u8425\u4e1a\u4e86\uff0c\u8fd9\u5c31\u662f\u201c\u62d2\u7edd\u670d\u52a1\u201d\u3002<\/p>\n<\/blockquote>\n<p>\u9ed1\u5ba2\u60f3\u8981\u5bf9\u8fd9\u4e9b\u8ba1\u7b97\u673a\u6216\u8005\u670d\u52a1\u5668\u8fdb\u884cDoS\u653b\u51fb\u7684\u8bdd\uff0c\u4e5f\u4f7f\u7528\u6d88\u8017\u8ba1\u7b97\u673a\u6216\u670d\u52a1\u5668\u6027\u80fd\u3001\u62a2\u5360\u94fe\u8def\u5e26\u5bbd\u7b49\u624b\u6bb5\uff01\u6700\u5e38\u89c1\u7684DoS\u653b\u51fb\u5c31\u662f\u6211\u4eec\u5e38\u5e38\u63d0\u5230\u7684\u5355\u5305\u653b\u51fb\u3002\u8fd9\u7c7b\u653b\u51fb\u4e00\u822c\u90fd\u662f\u4ee5\u4e2a\u4eba\u4e3a\u5355\u4f4d\u7684\u9ed1\u5ba2\u53d1\u52a8\u7684\uff0c\u653b\u51fb\u62a5\u6587\u4e5f\u6bd4\u8f83\u5355\u4e00\uff0c\u867d\u7136\u7834\u574f\u529b\u5f3a\u5927\uff0c\u4f46\u662f\u53ea\u8981\u638c\u63e1\u4e86\u653b\u51fb\u7684\u7279\u5f81\uff0c\u9632\u5fa1\u8d77\u6765\u8fd8\u662f\u6bd4\u8f83\u5bb9\u6613\u7684\u3002<\/p>\n<p><strong>\u9632\u706b\u5899\u652f\u6301\u7684\u5355\u5305\u653b\u51fb\u5305\u62ec\u4ee5\u4e0b\u4e09\u5927\u7c7b\uff1a<\/strong><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24c4e7718.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747641068547-e7411cf5-8189-4476-ba4f-e948ce44c595.png\" \/><\/p>\n<ul>\n<li>\u7578\u5f62\u62a5\u6587\u653b\u51fb\uff1a\u901a\u5e38\u6307\u653b\u51fb\u8005\u53d1\u9001\u5927\u91cf\u6709\u7f3a\u9677\u7684\u62a5\u6587\uff0c\u4ece\u800c\u9020\u6210\u4e3b\u673a\u6216\u670d\u52a1\u5668\u5728\u5904\u7406\u8fd9\u7c7b\u62a5\u6587\u65f6\u7cfb\u7edf\u5d29\u6e83\u3002<\/li>\n<li>\u626b\u63cf\u7c7b\u653b\u51fb\uff1a\u662f\u4e00\u79cd\u6f5c\u5728\u7684\u653b\u51fb\u884c\u4e3a\uff0c\u5e76\u4e0d\u5177\u5907\u76f4\u63a5\u7684\u7834\u574f\u884c\u4e3a\uff0c\u901a\u5e38\u662f\u653b\u51fb\u8005\u53d1\u52a8\u771f\u6b63\u653b\u51fb\u524d\u7684\u7f51\u7edc\u63a2\u6d4b\u884c\u4e3a\u3002<\/li>\n<li>\u7279\u6b8a\u63a7\u5236\u62a5\u6587\u653b\u51fb\uff1a\u4e5f\u662f\u4e00\u79cd\u6f5c\u5728\u7684\u653b\u51fb\u884c\u4e3a\uff0c\u4e0d\u5177\u5907\u76f4\u63a5\u7684\u7834\u574f\u884c\u4e3a\uff0c\u653b\u51fb\u8005\u901a\u8fc7\u53d1\u9001\u7279\u6b8a\u63a7\u5236\u62a5\u6587\u63a2\u6d4b\u7f51\u7edc\u7ed3\u6784\uff0c\u4e3a\u540e\u7eed\u53d1\u52a8\u771f\u6b63\u7684\u653b\u51fb\u505a\u51c6\u5907\u3002<\/li>\n<\/ul>\n<p>\u5355\u5305\u653b\u51fb\u9632\u5fa1\u662f\u9632\u706b\u5899\u5177\u5907\u7684\u6700\u57fa\u672c\u7684\u9632\u8303\u529f\u80fd\uff0c\u534e\u4e3a\u5168\u7cfb\u5217\u9632\u706b\u5899\u90fd\u652f\u6301\u5bf9\u5355\u5305\u653b\u51fb\u7684\u9632\u5fa1\u3002<\/p>\n<p><strong>\u51e0\u79cd\u5178\u578b\u7684\u5355\u5305\u653b\u51fb<\/strong><\/p>\n<h3>PingofDeath\u653b\u51fb\u53ca\u9632\u5fa1<\/h3>\n<p>\u64cd\u4f5c\u7cfb\u7edf\u5904\u7406\u6570\u636e\u5305\u7684\u5927\u5c0f\u662f\u6709\u9650\u5236\u7684\uff0cIP\u62a5\u6587\u7684\u957f\u5ea6\u5b57\u6bb5\u4e3a16\u4f4d\uff0c\u5373IP\u62a5\u6587\u7684\u6700\u5927\u957f\u5ea6\u4e3a65535\u3002\u5982\u679c\u9047\u5230\u5927\u5c0f\u8d85\u8fc765535\u7684\u62a5\u6587\uff0c\u4f1a\u51fa\u73b0\u5185\u5b58\u5206\u914d\u9519\u8bef\uff0c\u4ece\u800c\u4f7f\u63a5\u6536\u65b9\u7684\u8ba1\u7b97\u673a\u7cfb\u7edf\u5d29\u6e83\u3002PingofDeath\u653b\u51fb\u5c31\u662f\u653b\u51fb\u8005\u4e0d\u65ad\u7684\u901a\u8fc7Ping\u547d\u4ee4\u5411\u653b\u51fb\u76ee\u6807\u53d1\u9001\u8d85\u8fc765535\u7684\u62a5\u6587\uff0c\u5c31\u53ef\u4ee5\u4f7f\u76ee\u6807\u8ba1\u7b97\u673a\u7684TCP\/IP\u5806\u6808\u5d29\u6e83\uff0c\u81f4\u4f7f\u63a5\u6536\u65b9\u7cfb\u7edf\u5d29\u6e83\u3002<\/p>\n<p>\u9632\u706b\u5899\u5728\u5904\u7406PingofDeath\u653b\u51fb\u62a5\u6587\u65f6\uff0c\u662f\u901a\u8fc7\u5224\u5b9a\u6570\u636e\u5305\u7684\u5927\u5c0f\u662f\u5426\u5927\u4e8e65535\u5b57\u8282\uff0c\u5982\u679c\u6570\u636e\u5305\u5927\u4e8e65535\u5b57\u8282\uff0c\u5219\u5224\u5b9a\u4e3a\u653b\u51fb\u62a5\u6587\uff0c\u76f4\u63a5\u4e22\u5f03\u3002<\/p>\n<h3>Land\u653b\u51fb\u53ca\u9632\u5fa1<\/h3>\n<p>Land\u653b\u51fb\u662f\u6307\u653b\u51fb\u8005\u5411\u53d7\u5bb3\u8005\u53d1\u9001\u4f2a\u9020\u7684TCP\u62a5\u6587\uff0c\u6b64TCP\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u540c\u4e3a\u53d7\u5bb3\u8005\u7684IP\u5730\u5740\u3002\u8fd9\u5c06\u5bfc\u81f4\u53d7\u5bb3\u8005\u5411\u5b83\u81ea\u5df1\u7684\u5730\u5740\u53d1\u9001\u56de\u5e94\u62a5\u6587\uff0c\u4ece\u800c\u9020\u6210\u8d44\u6e90\u7684\u6d88\u8017\u3002<\/p>\n<p>\u9632\u706b\u5899\u5728\u5904\u7406Land\u653b\u51fb\u62a5\u6587\u65f6\uff0c\u901a\u8fc7\u68c0\u67e5TCP\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u662f\u5426\u76f8\u540c\uff0c\u6216\u8005TCP\u62a5\u6587\u7684\u6e90\u5730\u5740\u662f\u5426\u4e3a\u73af\u56de\u5730\u5740\uff0c\u5982\u679c\u662f\u5219\u4e22\u5f03\u3002<\/p>\n<h3>IP\u5730\u5740\u626b\u63cf\u653b\u51fb<\/h3>\n<p>IP\u5730\u5740\u626b\u63cf\u653b\u51fb\u662f\u653b\u51fb\u8005\u8fd0\u7528ICMP\u62a5\u6587\uff08\u5982Ping\u548cTracert\u547d\u4ee4\uff09\u63a2\u6d4b\u76ee\u6807\u5730\u5740\uff0c\u6216\u8005\u4f7f\u7528TCP\/UDP\u62a5\u6587\u5bf9\u4e00\u5b9a\u5730\u5740\u53d1\u8d77\u8fde\u63a5\uff0c\u901a\u8fc7\u5224\u65ad\u662f\u5426\u6709\u5e94\u7b54\u62a5\u6587\uff0c\u4ee5\u786e\u5b9a\u54ea\u4e9b\u76ee\u6807\u7cfb\u7edf\u786e\u5b9e\u5b58\u6d3b\u7740\u5e76\u4e14\u8fde\u63a5\u5728\u76ee\u6807\u7f51\u7edc\u4e0a\u3002<\/p>\n<p>\u9632\u706b\u5899\u5bf9\u6536\u5230\u7684TCP\u3001UDP\u3001ICMP\u62a5\u6587\u8fdb\u884c\u68c0\u6d4b\uff0c\u5f53\u67d0\u6e90IP\u5730\u5740\u8fde\u7eed\u53d1\u9001\u62a5\u6587\u7684\u76ee\u7684IP\u5730\u5740\u4e0e\u524d\u4e00\u4e2a\u62a5\u6587\u7684\u76ee\u7684IP\u5730\u5740\u4e0d\u540c\u65f6\uff0c\u5219\u8bb0\u4e3a\u4e00\u6b21\u5f02\u5e38\uff0c\u5f53\u5f02\u5e38\u6b21\u6570\u8d85\u8fc7\u9884\u5b9a\u4e49\u7684\u9608\u503c\u65f6\uff0c\u5219\u8ba4\u4e3a\u8be5\u6e90IP\u7684\u884c\u4e3a\u4e3aIP\u5730\u5740\u626b\u63cf\u884c\u4e3a\uff0c\u9632\u706b\u5899\u4f1a\u5c06\u8be5\u6e90IP\u5730\u5740\u52a0\u5165\u9ed1\u540d\u5355\u3002<\/p>\n<p>IP\u5730\u5740\u626b\u63cf\u653b\u51fb\u5e76\u6ca1\u6709\u76f4\u63a5\u9020\u6210\u4ec0\u4e48\u6076\u52a3\u540e\u679c\uff0c\u5b83\u53ea\u662f\u4e00\u79cd\u63a2\u6d4b\u884c\u4e3a\uff0c\u901a\u5e38\u662f\u4e3a\u4e86\u540e\u7eed\u53d1\u52a8\u7834\u574f\u6027\u653b\u51fb\u505a\u51c6\u5907\uff0c\u5c3d\u7ba1\u5982\u6b64\uff0c\u8fd9\u79cd\u884c\u4e3a\u9632\u706b\u5899\u4e5f\u4e0d\u4f1a\u653e\u8fc7\u7684\u3002<\/p>\n<p><strong>\u5355\u5305\u653b\u51fb\u4e00\u822c\u90fd\u5177\u6709\u660e\u663e\u7684\u7279\u5f81\uff0c\u6240\u4ee5\u9632\u706b\u5899\u5728\u9632\u5fa1\u5355\u5305\u653b\u51fb\u65f6\uff0c\u53ea\u8981\u5339\u914d\u4e86\u653b\u51fb\u7279\u5f81\uff0c\u5c31\u53ef\u4ee5\u5f88\u5bb9\u6613\u9632\u5fa1\u3002<\/strong><\/p>\n<p><strong>\u914d\u7f6e\u5efa\u8bae<\/strong><\/p>\n<p>\u9632\u706b\u5899\u652f\u6301\u7684\u5355\u5305\u653b\u51fb\u9632\u5fa1\u79cd\u7c7b\u7e41\u591a\uff0c\u5728\u73b0\u7f51\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u54ea\u4e9b\u9700\u8981\u914d\u7f6e\uff0c\u6216\u8005\u54ea\u4e9b\u4e0d\u5efa\u8bae\u914d\u7f6e<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24c7e549b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747641368413-14c1da0d-eb5e-45f5-b1bb-0c804544f7e1.png\" 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540e\uff0c\u901a\u8fc7\u5bf9\u76ee\u6807\u548c\u653b43\u653b\u51fb\u9632\u8303\u7bc7\u51fb\u7c7b\u578b\u5206\u6790\uff0c\u57fa\u672c\u53ef\u4ee5\u5224\u65ad\u662f\u6709\u4e00\u4e2a\u9ed1\u5ba2\/\u9ed1\u5ba2\u7ec4\u7ec7\u53d1\u8d77\u9488\u5bf9\u540c\u4e00\u76ee\u6807\u7684\u653b\u51fb\u65f6\u95f4\u3002\u7ecf\u8fc7\u5bf9\u6355\u83b7\u7684\u653b\u51fb\u6570\u636e\u5305\u5206\u6790\uff0c\u53d1\u73b0\u9ed1\u5ba2\u653b\u51fb\u624b\u6bb5\u4e3b\u8981\u91c7\u7528SYNFlood\u3002<\/p>\n<p>2013\u5e74\uff0c\u67d0\u5b89\u5168\u8fd0\u8425\u62a5\u544a\u663e\u793a\uff0cDDoS\u653b\u51fb\u5448\u73b0\u9010\u5e74\u4e0a\u5347\u8d8b\u52bf\uff0c\u5176\u4e2dSYNFlood\u653b\u51fb\u7684\u53d1\u751f\u9891\u7387\u57282013\u5168\u5e74\u653b\u51fb\u7edf\u8ba1\u4e2d\u536031%\u3002<\/p>\n<\/blockquote>\n<h2>\u653b\u51fb\u539f\u7406<\/h2>\n<h3>TCP\u4e09\u6b21\u63e1\u624b<\/h3>\n<p>SYNflood\u662f\u57fa\u4e8eTCP\u534f\u8bae\u6808\u53d1\u8d77\u7684\u653b\u51fb\uff0c\u5728\u4e86\u89e3SYNflood\u653b\u51fb\u548c\u9632\u5fa1\u539f\u7406\u4e4b\u524d\uff0c\u8fd8\u662f\u8981\u4eceTCP\u8fde\u63a5\u5efa\u7acb\u7684\u8fc7\u7a0b\u5f00\u59cb\u8bf4\u8d77\u3002\u5728TCP\/IP\u534f\u8bae\u4e2d\uff0cTCP\u534f\u8bae\u63d0\u4f9b\u53ef\u9760\u7684\u8fde\u63a5\u670d\u52a1\uff0c\u65e0\u8bba\u662f\u54ea\u4e00\u4e2a\u65b9\u5411\u53e6\u4e00\u65b9\u53d1\u9001\u6570\u636e\u524d\uff0c\u90fd\u5fc5\u987b\u5148\u5728\u53cc\u65b9\u4e4b\u95f4\u5efa\u7acb\u4e00\u6761\u8fde\u63a5\u901a\u9053\uff0c\u8fd9\u5c31\u662f\u4f20\u8bf4\u4e2d\u7684TCP\u4e09\u6b21\u63e1\u624b\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24caf001f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747641891234-b3174682-e813-4a5a-b782-720e4173599c.png\" \/><\/p>\n<p><strong>\u7b2c\u4e00\u6b21\u63e1\u624b<\/strong>\uff1a\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u7aef\u53d1\u9001\u4e00\u4e2aSYN\uff08Synchronize\uff09\u62a5\u6587\uff0c\u6307\u660e\u60f3\u8981\u5efa\u7acb\u8fde\u63a5\u7684\u670d\u52a1\u5668\u7aef\u53e3\uff0c\u4ee5\u53ca\u5e8f\u5217\u53f7ISN<\/p>\n<p><strong>\u7b2c\u4e8c\u6b21\u63e1\u624b<\/strong>\uff1a\u670d\u52a1\u5668\u5728\u6536\u5230\u5ba2\u6237\u7aef\u7684SYN\u62a5\u6587\u540e\uff0c\u5c06\u8fd4\u56de\u4e00\u4e2aSYN+ACK\u7684\u62a5\u6587\uff0c\u8868\u793a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u88ab\u63a5\u53d7\uff0c\u540c\u65f6\u5728SYN+ACK\u62a5\u6587\u4e2d\u5c06\u786e\u8ba4\u53f7\u8bbe\u7f6e\u4e3a\u5ba2\u6237\u7aef\u7684ISN\u53f7\u52a01\u3002ACK\u5373\u8868\u793a\u786e\u8ba4\uff08Acknowledgment\uff09<\/p>\n<p><strong>\u7b2c\u4e09\u6b21\u63e1\u624b<\/strong>\uff1a\u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u5668\u7684SYN-ACK\u5305\uff0c\u5411\u670d\u52a1\u5668\u53d1\u9001ACK\u62a5\u6587\u8fdb\u884c\u786e\u8ba4\uff0cACK\u62a5\u6587\u53d1\u9001\u5b8c\u6bd5\uff0c\u4e09\u6b21\u63e1\u624b\u5efa\u7acb\u6210\u529f\u3002<\/p>\n<h2><\/h2>\n<p>\u5982\u679c\u5ba2\u6237\u7aef\u5728\u53d1\u9001\u4e86SYN\u62a5\u6587\u540e\u51fa\u73b0\u4e86\u6545\u969c\uff0c\u90a3\u4e48\u670d\u52a1\u5668\u5728\u53d1\u51faSYN+ACK\u5e94\u7b54\u62a5\u6587\u540e\u662f\u65e0\u6cd5\u6536\u5230\u5ba2\u6237\u7aef\u7684ACK\u62a5\u6587\u7684\uff0c\u5373\u7b2c\u4e09\u6b21\u63e1\u624b\u65e0\u6cd5\u5b8c\u6210\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u670d\u52a1\u5668\u7aef\u4e00\u822c\u4f1a\u91cd\u8bd5\uff0c\u5411\u5ba2\u6237\u7aef\u518d\u6b21\u53d1\u9001SYN+ACK\uff0c\u5e76\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u3002\u5982\u679c\u4e00\u5b9a\u65f6\u95f4\u5185\uff0c\u8fd8\u662f\u5f97\u4e0d\u5230\u5ba2\u6237\u7aef\u7684\u56de\u5e94\uff0c\u5219\u653e\u5f03\u8fd9\u4e2a\u672a\u5b8c\u6210\u7684\u8fde\u63a5\u3002\u8fd9\u4e5f\u662fTCP\u7684\u91cd\u4f20\u673a\u5236\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24cd45514.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747641968100-ddd28c40-e29a-48d2-bcc3-7b1c3c965d33.png\" 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alt=\"1747642064211-51fcb82b-bd27-41bc-ad77-0a4f0d3c458d.png\" 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24d2d3d3f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747642188695-7e5ec622-a47c-41e7-b1cb-de4980cbd12b.png\" 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loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff24fd50eba.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747646485094-95dd12a8-6cc8-44cf-a014-c40e910b16b4.png\" \/><\/p>\n<p>\u9632\u706b\u5899\u5bf9\u8bf7\u6c42\u62a5\u6587\u8fdb\u884c\u786e\u8ba4\uff0c\u5e76\u91cd\u5b9a\u5411\u4e00\u4e2a\u65b0\u7684URI\u201c\/index.html?sksbjsbmfbclwjcc\u201d\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff250077bf4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747646513543-17130059-572a-4f1a-9417-a9e026a4554f.png\" \/><\/p>\n<p>\u5ba2\u6237\u7aef\u91cd\u65b0\u8bf7\u6c42\u5305\u542bURI\u4e3a\u201c\/index.html?sksbjsbmfbclwjcc\u201d\u7684\u9875\u9762\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25043c31f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747646525789-b8e50334-9de6-46d7-8060-7e758450d9c0.png\" \/><\/p>\n<p>\u9632\u706b\u5899\u5bf9\u5305\u542b\u65b0URI\u7684\u8bf7\u6c42\u8fdb\u884c\u786e\u8ba4\uff0c\u5e76\u5c06\u5730\u5740\u91cd\u65b0\u5b9a\u5411\u6210\u5305\u542bURI\u4e3a\u201c\/index.html\u201d\u7684\u9875\u9762\u3002\u8ba4\u8bc1\u901a\u8fc7\uff0c\u540e\u7eed\u5ba2\u6237\u7aef\u53ef\u4ee5\u76f4\u63a5\u548c\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002\u6574\u4e2a\u8fc7\u7a0b\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\u662f\u900f\u660e\u7684\uff0c\u91cd\u5b9a\u5411\u64cd\u4f5c\u7531\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u81ea\u52a8\u5b8c\u6210<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25076162f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747646540818-7b8a6b2b-839e-439e-9405-f9ef40a48f7f.png\" \/><\/p>\n<p>\u8be5\u6a21\u5f0f\u53ef\u6709\u6548\u963b\u6b62\u6765\u81ea\u975e\u6d4f\u89c8\u5668\u5ba2\u6237\u7aef\u7684\u8bbf\u95ee\uff0c\u5982\u679c\u50f5\u5c38\u5de5\u5177\u6ca1\u6709\u5b9e\u73b0\u5b8c\u6574\u7684HTTP\u534f\u8bae\u6808\uff0c\u4e0d\u652f\u6301\u81ea\u52a8\u91cd\u5b9a\u5411\uff0c\u65e0\u6cd5\u901a\u8fc7\u8ba4\u8bc1\u3002\u800c\u6d4f\u89c8\u5668\u652f\u6301\u81ea\u52a8\u91cd\u5b9a\u5411\uff0c\u53ef\u4ee5\u901a\u8fc7\u8ba4\u8bc1\u3002\u8fd9\u79cd\u9632\u5fa1\u65b9\u5f0f\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u8981\u786e\u8ba4\u5ba2\u6237\u7aef\u662f\u5426\u652f\u6301\u91cd\u5b9a\u5411\u3002<\/p>\n<blockquote>\n<p>\u6bd4\u5982\uff0c\u5e38\u89c1\u7684\u673a\u9876\u76d2\u5c31\u4e0d\u652f\u6301\u81ea\u52a8\u91cd\u5b9a\u5411\u3002\u6240\u4ee5\u5728\u4f7f\u7528\u8fd9\u79cd\u9632\u5fa1\u65b9\u5f0f\u65f6\uff0c\u4e00\u5b9a\u8981\u786e\u8ba4\u6240\u5728\u7684\u7f51\u7edc\u662f\u5426\u6709\u673a\u9876\u76d2\u7b49\u5ba2\u6237\u7aef\u7684\u6b63\u5e38\u4e1a\u52a1\uff0c\u5982\u679c\u6709\uff0c\u5c31\u4e0d\u80fd\u4f7f\u7528\u6b64\u529f\u80fd\uff0c\u5426\u5219\u4f1a\u5f71\u54cd\u6b63\u5e38\u4e1a\u52a1\u3002<\/p>\n<\/blockquote>\n<h2>\u9608\u503c\u914d\u7f6e<\/h2>\n<p>\u544a\u8b66\u9608\u503c\u914d\u7f6e\u8981\u5408\u7406\uff0c\u5982\u679c\u914d\u7f6e\u8fc7\u5927\uff0c\u6765\u653b\u51fb\u7684\u65f6\u5019\u5c31\u4f1a\u9632\u4e0d\u4f4f\uff1b\u5982\u679c\u914d\u7f6e\u8fc7\u5c0f\uff0c\u53ef\u80fd\u4f1a\u628a\u6b63\u5e38\u4e1a\u52a1\u8bef\u5224\u4e3a\u653b\u51fb\u62a5\u6587\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u6bcf\u4e2a\u7f51\u7edc\u7684\u6d41\u91cf\u6a21\u578b\u90fd\u4e0d\u540c\uff0c\u914d\u7f6e\u9608\u503c\u4e4b\u524d\uff0c\u9700\u8981\u6709\u4e2a\u524d\u63d0\u51c6\u5907\uff0c\u5c31\u662f\u8981\u5927\u6982\u4e86\u89e3\u8fd9\u4e2a\u7f51\u7edc\u6b63\u5e38\u60c5\u51b5\u4e0b\u7684\u6bcf\u79cd\u7c7b\u578b\u62a5\u6587\u7684\u57fa\u672c\u6d41\u91cf\u6a21\u578b\u3002\u8fd9\u4e2a\u503c\u53ef\u80fd\u662f\u7ba1\u7406\u5458\u7684\u4e00\u4e2a\u7ecf\u9a8c\u503c\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u76d1\u6d4b\u4e00\u6bb5\u65f6\u95f4\u540e\u901a\u8fc7\u5b66\u4e60\u5f97\u77e5\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u60f3\u914d\u7f6eSYNFlood\u9632\u5fa1\u529f\u80fd\uff0c\u914d\u7f6e\u544a\u8b66\u9608\u503c\u524d\uff0c\u8981\u5148\u4e86\u89e3\u6ca1\u6709\u53d1\u751f\u653b\u51fb\u7684\u60c5\u51b5\u4e0b\u7f51\u7edc\u4e2dSYN\u62a5\u6587\u7684\u6700\u5927\u901f\u7387\u662f\u591a\u5c11\uff0c\u800cSYNFlood\u9632\u5fa1\u7684\u544a\u8b66\u9608\u503c\u4e00\u822c\u53ef\u4ee5\u914d\u7f6e\u4e3a\u6b63\u5e38\u6d41\u91cf\u65f6\u76841.2\uff5e2\u500d\u3002\u914d\u7f6e\u5b8c\u544a\u8b66\u9608\u503c\u540e\uff0c\u8fd8\u8981\u8fde\u7eed\u591a\u89c2\u5bdf\u51e0\u5929\uff0c\u770b\u8fd9\u4e2a\u9608\u503c\u5bf9\u6b63\u5e38\u4e1a\u52a1\u662f\u5426\u6709\u5f71\u54cd\uff0c\u5982\u679c\u6709\u5f71\u54cd\uff0c\u8981\u53ca\u65f6\u8c03\u6574\u6210\u66f4\u5927\u7684\u503c\u3002<\/p>\n<h1>\u6e90NAT<\/h1>\n<p>\u6e90NAT\u6280\u672f\u901a\u8fc7\u5bf9\u62a5\u6587\u7684\u6e90\u5730\u5740\u8fdb\u884c\u8f6c\u6362\uff0c\u4f7f\u5927\u91cf\u79c1\u7f51\u7528\u6237\u53ef\u4ee5\u5229\u7528\u5c11\u91cf\u516c\u7f51IP\u4e0a\u7f51\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u5bf9\u516c\u7f51IP\u5730\u5740\u7684\u9700\u6c42\u3002<\/p>\n<p>\u6e90NAT\u8f6c\u6362\u7684\u8fc7\u7a0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff250ac24bf.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747646728025-1b5c141a-b079-4240-8fa2-fc6374d46d97.png\" \/><\/p>\n<p>\u5f53\u4e0a\u7f51\u6d41\u91cf\u5230\u8fbe\u9632\u706b\u5899\u65f6\uff0c\u62a5\u6587\u7684\u79c1\u7f51\u6e90IP\u5c06\u88ab\u8f6c\u6362\u4e3a\u516c\u7f51IP\uff1b\u5f53\u56de\u7a0b\u62a5\u6587\u5230\u8fbe\u9632\u706b\u5899\u65f6\uff0c\u62a5\u6587\u7684\u516c\u7f51\u76ee\u7684IP\u5c06\u88ab\u8f6c\u6362\u4e3a\u79c1\u7f51IP\u3002\u6574\u4e2aNAT\u8f6c\u6362\u8fc7\u7a0b\u5bf9\u4e8e\u5185\u3001\u5916\u7f51\u4e3b\u673a\u6765\u8bf4\u662f\u5b8c\u5168\u900f\u660e\u7684\u3002<\/p>\n<p><strong>NAT\u5730\u5740\u6c60<\/strong><\/p>\n<p>\u4e00\u4e2a\u865a\u62df\u7684\u6982\u5ff5\uff0c\u5b83\u5f62\u8c61\u5730\u628a\u201c\u516c\u7f51IP\u5730\u5740\u7684\u96c6\u5408\u201d\u6bd4\u55bb\u6210\u4e00\u4e2a\u201c\u653eIP\u5730\u5740\u7684\u6c60\u5b50\u6216\u5bb9\u5668\u201d<\/p>\n<p>\u9632\u706b\u5899\u5728\u5e94\u7528\u6e90NAT\u529f\u80fd\u65f6\u5c31\u662f\u4ece\u5730\u5740\u6c60\u4e2d\u6311\u9009\u51fa\u4e00\u4e2a\u516c\u7f51IP\uff0c\u7136\u540e\u5bf9\u79c1\u7f51IP\u8fdb\u884c\u8f6c\u6362\u3002\u6311\u9009\u54ea\u4e2a\u516c\u7f51IP\u662f\u968f\u673a\u7684\uff0c\u548c\u914d\u7f6e\u65f6\u7684\u987a\u5e8f\u3001IP\u5927\u5c0f\u7b49\u56e0\u7d20\u90fd\u6ca1\u6709\u5173\u7cfb\u3002<\/p>\n<p><strong>\u4f8b\u5b50<\/strong>\u521b\u5efa\u4e00\u4e2aNAT\u5730\u5740\u6c60\uff08\u4ee5eNSP\u4e2d\u7684USG5500\u7cfb\u5217\u4e3a\u4f8b\uff09<\/p>\n<p><code>nataddress-group1202.169.1.2202.169.1.5<\/code><\/p>\n<p>\u5185\u7f51\u7528\u6237\u7fa4\uff0810.10.2.1-10.10.2.10\uff09\u6700\u521d\u90fd\u5728\u4e00\u4e2a\u533a\u57df\u5185\uff0c\u6709\u4e24\u4e2a\u516c\u7f51IP\uff08210.1.1.10\u548c210.1.1.11\uff09\u53ef\u7528\u4e8e\u505aNAT\u8f6c\u6362\uff0c\u7531\u4e8e\u65e0\u9700\u5bf9\u8fd9\u4e9b\u7528\u6237\u8fdb\u884c\u533a\u5206\uff0c\u6240\u4ee5\u53ef\u5c062\u4e2a\u516c\u7f51IP\u653e\u5728\u540c\u4e00\u5730\u5740\u6c60\u5185\u3002\u4e0a\u7f51\u6d41\u91cf\u5230\u8fbe\u9632\u706b\u5899\u540e\uff0c\u5c06\u4ece\u5730\u5740\u6c60\u4e2d\u968f\u673a\u9009\u53d6\u4e00\u4e2a\u516c\u7f51IP\u505aNAT\u8f6c\u6362\u3002<\/p>\n<p>\u7f51\u7edc\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u9700\u8981\u5bf9\u7528\u6237\u8fdb\u884c\u533a\u5206\uff0c\u4f7f\u7528\u6237\u7fa41\uff0810.10.2.1-10.10.2.5\uff09\u548c\u7528\u6237\u7fa42\uff0810.10.2.6-10.10.2.10\uff09\u4ee5\u4e0d\u540c\u7684\u516c\u7f51IP\u4e0a\u7f51\u3002\u7531\u4e8eNAT\u8f6c\u6362\u662f\u968f\u673a\u9009\u53d6\u516c\u7f51IP\u7684\uff0c\u6240\u4ee52\u4e2a\u516c\u7f51IP\u5728\u540c\u4e00\u5730\u5740\u6c60\u5185\u662f\u65e0\u6cd5\u6ee1\u8db3\u6b64\u8981\u6c42\u7684\u3002<\/p>\n<p>\u6b64\u65f6\u53ef\u5c062\u4e2a\u516c\u7f51IP\u5206\u522b\u653e\u5728\u4e0d\u540c\u7684\u5730\u5740\u6c60\u5185\uff0c\u5e76\u6307\u5b9a\u7528\u6237\u7fa41\u4f7f\u7528\u5730\u5740\u6c601\u505aNAT\u8f6c\u6362\uff0c\u7528\u6237\u7fa42\u4f7f\u7528\u5730\u5740\u6c602\u505aNAT\u8f6c\u6362\u3002\u8fd9\u6837\uff0c\u4e24\u4e2a\u7528\u6237\u7fa4\u505aNAT\u8f6c\u6362\u540e\u7684IP\u5c31\u662f\u4e0d\u540c\u7684\u4e86\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff250d64b2e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747646947863-9eb2d53a-76ff-4705-a469-2ee93e7590cb.png\" \/><\/p>\n<p>\u534e\u4e3a\u9632\u706b\u5899\u652f\u6301\u7684\u6e90NAT\u529f\u80fd\u5982\u4e0b\u8868\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u6e90NAT\u7c7b\u578b<\/th>\n<th>\u79c1\u7f51IP\u548c\u516c\u7f51IP\u6570\u91cf\u5bf9\u5e94\u5173\u7cfb<\/th>\n<th>\u662f\u5426\u8f6c\u6362\u7aef\u53e3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NATNo-PAT<\/td>\n<td>\u4e00\u5bf9\u4e00<\/td>\n<td>\u5426<\/td>\n<\/tr>\n<tr>\n<td>NAPT<\/td>\n<td>\u591a\u5bf9\u4e00<br \/>\u591a\u5bf9\u591a<\/td>\n<td>\u662f<\/td>\n<\/tr>\n<tr>\n<td>\u51fa\u63a5\u53e3\u5730\u5740\u65b9\u5f0f\uff08easy-ip\uff09<\/td>\n<td>\u591a\u5bf9\u4e00<\/td>\n<td>\u662f<\/td>\n<\/tr>\n<tr>\n<td>SmartNAT(\u4ec5\u9ad8\u7aef\u9632\u706b\u5899USG9000\u7cfb\u5217\u652f\u6301\uff09<\/td>\n<td>\u4e00\u5bf9\u4e00\uff08\u9884\u7559IP\u505a\u591a\u5bf9\u4e00\u8f6c\u6362)<\/td>\n<td>\u5426\uff08\u9884\u7559IP\u505a\u7aef\u53e3\u8f6c\u6362)<\/td>\n<\/tr>\n<tr>\n<td>\u4e09\u5143\u7ec4NAT<br \/>\uff08USG9000\u7cfb\u5217\u652f\u6301\uff09<\/td>\n<td>\u591a\u5bf9\u4e00<br \/>\u591a\u5bf9\u591a<\/td>\n<td>\u662f<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h2>NATNo-PAT<\/h2>\n<p>\u201cNo-PAT\u201d\u8868\u793a\u4e0d\u8fdb\u884c\u7aef\u53e3\u8f6c\u6362\uff0c\u6240\u4ee5NATNo-PAT\u53ea\u8f6c\u6362IP\u5730\u5740\uff0c\u6545\u4e5f\u79f0\u4e3a\u201c\u4e00\u5bf9\u4e00IP\u5730\u5740\u8f6c\u6362\u201d\u3002<\/p>\n<p>\u5982\u4e0b\u7ec4\u7f51\u8fdb\u884c\u6f14\u793a\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25113c195.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647197541-78e9084b-b4ce-4e3e-a093-db7853e6dba6.png\" \/><\/p>\n<p>\u5728FW\u4e0a\u914d\u7f6e\u6e90NAT\u6a21\u5f0f\uff0c\u9009\u62e9\u4e3ano-pat\uff1b\u5c06\u516c\u7f51IP\u5730\u5740202.30.1.1\u548c202.30.1.2\u52a0\u5165NAT\u5730\u5740\u6c601\uff1b\u914d\u7f6eNAT\u7b56\u7565\uff0c\u5373\u5bf9\u6d41\u91cf\u8bbe\u7f6e\u5404\u79cd\u8981\u6c42\u9879\uff0c\u53ea\u6709\u5b8c\u5168\u5339\u914d\u4e0a\u8fd9\u4e9b\u8981\u6c42\u7684\u6d41\u91cf\u624d\u80fd\u5229\u7528NAT\u5730\u5740\u6c601\u4e2d\u7684IP\u505aNAT\u8f6c\u6362\uff08\u5982\u679c\u8981\u9488\u5bf9\u6e90IP\u8bbe\u7f6eNAT\u7b56\u7565\uff0c\u90a3\u4e48\u5e94\u8be5\u662f\u505a\u6e90NAT\u8f6c\u6362\u524d\u7684IP\uff09\u3002<\/p>\n<p><strong>\u914d\u7f6eNATNo-PAT<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat address-group1 202.30.1.1 202.30.1.2\n#\nnat-policy interzone trust untrust outbound\npolicy 1\naction source-nat\npolicy source 192.168.0.0 0.0.0.255\naddress-group 1 no-pat\/\/\u4f7f\u7528\u5730\u5740\u6c601\u505aNATNo-PAT\u8f6c\u6362<\/code><\/pre>\n<p>:::info<br \/>\n<strong>\u5b89\u5168\u7b56\u7565\u548c\u9ed1\u6d1e\u8def\u7531<\/strong><\/p>\n<p>\u5b89\u5168\u7b56\u7565\u68c0\u9a8c\u662f\u5426\u5141\u8bb8\u6d41\u91cf\u901a\u8fc7\uff0cNAT\u7b56\u7565\u68c0\u9a8c\u662f\u5426\u5bf9\u6d41\u91cf\u8fdb\u884cNAT\u8f6c\u6362<\/p>\n<p>\u7531\u4e8e\u9632\u706b\u5899\u68c0\u9a8c\u6d41\u91cf\u662f\u5426\u7b26\u5408\u5b89\u5168\u7b56\u7565\u7684\u64cd\u4f5c\u53d1\u751f\u5728\u68c0\u67e5NAT\u7b56\u7565\u4e4b\u524d\uff0c\u6240\u4ee5\u5982\u679c\u8981\u9488\u5bf9\u6e90IP\u8bbe\u7f6e\u5b89\u5168\u7b56\u7565\uff0c\u5219\u8be5IP\u5e94\u8be5\u662f\u505a\u6e90NAT\u8f6c\u6362\u524d\u7684IP\u3002<\/p>\n<p>:::<\/p>\n<p><strong>\u914d\u7f6e\u5b89\u5168\u7b56\u7565<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\npolicyinterzonetrustuntrustoutbound\npolicy1\nactionpermit\npolicysource 192.168.0.0 0.0.0.255<\/code><\/pre>\n<p>\u9ed1\u6d1e\u8def\u7531\u662f\u4e00\u4e2a\u8ba9\u8def\u7531\u201c\u6709\u6765\u65e0\u56de\u201d\u7684\u8def\u7531\uff0c\u5b83\u7684\u6548\u679c\u5c31\u662f\u8ba9\u8bbe\u5907\u4e22\u5f03\u547d\u4e2d\u8be5\u8def\u7531\u7684\u62a5\u6587\u3002\u9488\u5bf9\u5730\u5740\u6c60\u4e2d\u7684\u516c\u7f51IP\u5fc5\u987b\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\uff0c\u76ee\u7684\u662f\u9632\u6b62\u4ea7\u751f\u8def\u7531\u73af\u8def\u3002<\/p>\n<p><strong>\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\niproute-static 202.30.1.1255.255.255.255 NULL0\niproute-static 202.30.1.2255.255.255.255 NULL0<\/code><\/pre>\n<p>\u4ecePC1\u4e0apingPC2\uff0c\u5728FW\u4e0a\u67e5\u770b\u4f1a\u8bdd\u8868\u548cServer-map\u8868<\/p>\n<p>\u4ece\u4f1a\u8bdd\u8868\u4e2d\u53ef\u4ee5\u770b\u5230PC1\uff08192.168.0.2\uff09\u7684IP\u8fdb\u884c\u4e86NAT\u8f6c\u6362\uff08\u4e2d\u62ec\u53f7[]\u5185\u7684\u662fNAT\u8f6c\u6362\u540e\u7684IP\u548c\u7aef\u53e3\uff09\uff0c\u800c\u7aef\u53e3\u6ca1\u6709\u8f6c\u6362\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25150e74b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647561163-7c145a8d-b428-415a-a766-32a9dca480b2.png\" \/><\/p>\n<p>\u4eceServer-map\u8868\u4e2d\u53ef\u4ee5\u770b\u5230NAT\u7c7b\u578b\u662fNo-PAT\u3001NAT\u8f6c\u6362\u524d\u540e\u7684IP\u5730\u5740\uff0c\u7531\u4e8e\u7aef\u53e3\u6ca1\u6709\u8f6c\u6362\uff0c\u6240\u4ee5\u5e76\u6ca1\u6709\u663e\u793a\u7aef\u53e3\u4fe1\u606f\u3002\u8fd9\u91cc\u53ef\u4ee5\u6ce8\u610f\u5230\u6b63\u3001\u53cd\u5411Server-map\u8868\u4e2d\u7684\u76ee\u7684IP\u5747\u4e3aany\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ea\u8981Server-map\u8868\u6ca1\u6709\u8001\u5316\uff0c\u7406\u8bba\u4e0a\u4efb\u4f55\u5916\u7f51\u4e3b\u673a\u53ea\u8981\u77e5\u9053NAT\u8f6c\u6362\u540e\u7684IP\uff0c\u90fd\u53ef\u4ee5\u4e3b\u52a8\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a\u7684\u516c\u7f51IP\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25194b741.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647595278-8abd5446-aab2-4a2e-9ccb-a6cbea4c60c9.png\" \/><\/p>\n<p>\u4ecePC1\u4e0apingServer2\uff0c\u5728FW\u518d\u4e0a\u67e5\u770b\u4f1a\u8bdd\u8868\u548cServer-map\u8868\u3002<\/p>\n<p>\u505aNAT\u8f6c\u6362\u540e\u7684\u516c\u7f51IP\u8fd8\u662f202.30.1.1\uff0c\u800c\u4e0d\u662f202.30.1.2\u3002\u8fd9\u8bf4\u660e\uff1a\u505a\u6e90NAT\u65f6\uff0c\u867d\u7136\u9009\u62e9\u54ea\u4e2a\u516c\u7f51IP\u662f\u968f\u673a\u7684\uff0c\u4f46\u662f\u8fd9\u4e2a\u516c\u7f51IP\u7531\u79c1\u7f51\u6e90IP\u51b3\u5b9a\uff0c\u548c\u76ee\u7684IP\u65e0\u5173\u3002\u53ea\u8981\u79c1\u7f51\u6e90IP\u4e0d\u53d8\u3001\u5730\u5740\u6c60\u76f8\u5173\u914d\u7f6e\u4e0d\u53d8\uff0c\u540c\u4e00\u4e2a\u79c1\u7f51\u6e90IP\u5c31\u4f1a\u56fa\u5b9a\u7684\u8f6c\u6362\u4e3a\u540c\u4e00\u4e2a\u516c\u7f51IP\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff251bbc54a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647645101-b341c87c-c98d-4c6a-bdd4-580178239fa4.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff251f57c14.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647649840-988b5847-31e9-4a94-b16f-6f2085dbe3cf.png\" \/><\/p>\n<h2>NAPT<\/h2>\n<p>NAPT\u8868\u793a\u7f51\u7edc\u5730\u5740\u7aef\u53e3\u8f6c\u6362\uff0c\u5373\u540c\u65f6\u5bf9IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u8fdb\u884c\u8f6c\u6362\uff0c\u4e5f\u53ef\u79f0\u4e3aPAT\uff08PAT\u4e0d\u662f\u53ea\u8f6c\u6362\u7aef\u53e3\u53f7\u7684\u610f\u601d\uff0c\u800c\u662fIP\u3001\u7aef\u53e3\u53f7\u540c\u65f6\u8f6c\u6362\uff09\u3002NAPT\u662f\u6700\u5e38\u7528\u7684\u6e90NAT\u6280\u672f\u4e4b\u4e00\uff0c\u4ed6\u53ef\u4ee5\u5b9e\u73b0\u7528\u5c11\u91cf\u516c\u7f51IP\u6ee1\u8db3\u5927\u91cf\u79c1\u7f51\u7528\u6237\u4e0a\u7f51\u7684\u9700\u6c42\u3002<\/p>\n<p>NAPT\u548cNATNo-PAT\u5728\u914d\u7f6e\u4e0a\u7684\u533a\u522b\u4ec5\u5728\u4e8e\u9009\u62e9\u4e0d\u540c\u7684\u6e90NAT\u6a21\u5f0f\uff1aNAPT\u7684nat-policy\u5728\u6307\u5b9aNAT\u5730\u5740\u6c60\u65f6\uff0c\u4e0d\u914d\u7f6e\u547d\u4ee4\u5173\u952e\u5b57\u201cno-pat\u201d\uff0c\u5176\u4ed6\u914d\u7f6e\u90fd\u662f\u7c7b\u4f3c\u7684\u3002<\/p>\n<p><strong>NAPT\u548cNATNo-PAT\u914d\u7f6e\u4e0a\u7684\u5dee\u5f02\u70b9<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat-policy interzone trust untrust outbound\npolicy 1\naddress-group 1\/\/\u4e0d\u914d\u7f6eno-pat<\/code><\/pre>\n<p>\u4ecePC1\u4e0apingPC2\uff0c\u5728FW\u4e0a\u67e5\u770b\u4f1a\u8bdd\u8868\u3002\u53ef\u4ee5\u770b\u5230\u6e90IP\u548c\u6e90\u7aef\u53e3\u90fd\u505a\u4e86NAT\u8f6c\u6362\uff0c\u800c\u4e14\u7aef\u53e3\u53f7\u662f\u987a\u5e8f\u8f6c\u6362\u7684\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff252373c98.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647779693-b30335c6-b33c-4846-abc1-e41bbfbb1d42.png\" \/><\/p>\n<p>\u518d\u770bServer-map\u8868\uff0c\u6ca1\u6709\u663e\u793a\u4fe1\u606f\uff1f<\/p>\n<p>NAPT\u6ca1\u6709Server-map\u8868\uff01<\/p>\n<p>NAPT\u4e3b\u8981\u7528\u4e8e\u8ba9\u5927\u91cf\u7528\u6237\u4e0a\u7f51\uff0c\u5982\u679c\u6bcf\u4e2a\u8fde\u63a5\u90fd\u5efa\u7acbServer-map\u8868\uff0c\u5219\u4f1a\u5360\u7528\u5927\u91cf\u7684\u8bbe\u5907\u8d44\u6e90\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25260b304.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647812569-0c53310f-1357-4a01-aec5-f235018dca30.png\" \/><\/p>\n<p>\u4ecePC1\u4e0apingServer2\uff0c\u5728FW\u4e0a\u67e5\u770b\u4f1a\u8bdd\u8868\u3002\u6211\u4eec\u53d1\u73b0NAPT\u4e5f\u662f\u7531\u6e90IP\u51b3\u5b9a\u8f6c\u6362\u540e\u7684\u516c\u7f51IP\uff0c\u4e14\u7aef\u53e3\u987a\u5e8f\u8f6c\u6362\u3002\u7aef\u53e3\u4ece2048\u5f00\u59cb\u8f6c\u6362\u7684\u73b0\u8c61\u8bf4\u660e\uff1a\u5bf9\u4e8e\u4e0d\u540c\u7684\u8fde\u63a5\u6765\u8bf4\uff0cNAT\u5904\u7406\u8fc7\u7a0b\u662f\u5f7c\u6b64\u72ec\u7acb\u7684\u3002\u53ea\u8981\u4e94\u5143\u7ec4\u4e0d\u5b8c\u5168\u76f8\u540c\uff0c\u5c31\u4e0d\u7528\u62c5\u5fc3NAT\u8f6c\u6362\u51b2\u7a81\u7684\u95ee\u9898\uff08\u5bf9\u4e8e\u73b0\u5728\u7684\u7f51\u7edc\u901a\u4fe1\u6765\u8bf4\uff0c\u4e94\u5143\u7ec4\u5b8c\u5168\u4e00\u81f4\u7684\u60c5\u51b5\u53d1\u751f\u6982\u7387\u975e\u5e38\u5c0f\uff09\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff252833bfc.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747647846421-35562d3e-8456-4af5-8349-e44dafd10a32.png\" \/><\/p>\n<h2>\u51fa\u63a5\u53e3\u5730\u5740\u65b9\u5f0f\uff08easy-ip\uff09<\/h2>\n<p>\u51fa\u63a5\u53e3\u5730\u5740\u65b9\u5f0f\u662f\u5229\u7528\u51fa\u63a5\u53e3\u7684\u516c\u7f51IP\u505a\u6e90NAT\u8f6c\u6362\uff0c\u9002\u7528\u4e8e\u516c\u7f51IP\u975e\u5e38\u5c11\u6216\u63a5\u53e3\u52a8\u6001\u83b7\u53d6IP\u7684\u573a\u666f\uff08\u4ec5\u4e2d\u4f4e\u7aef\u9632\u706b\u5899\u652f\u6301\u63a5\u53e3\u52a8\u6001\u83b7\u53d6IP\uff09\u3002<\/p>\n<p>easy-ip\u7684NAT\u8f6c\u6362\u65b9\u5f0f\u548cNAPT\u4e00\u6837\uff0c\u90fd\u662f\u540c\u65f6\u8f6c\u6362IP\u548c\u7aef\u53e3\u3002\u4f46\u662f\u5728\u5177\u4f53\u914d\u7f6e\u4e0a\uff0c\u9ad8\u7aef\u9632\u706b\u5899\u548c\u4e2d\u4f4e\u7aef\u9632\u706b\u5899\u662f\u4e0d\u4e00\u6837\u7684\uff1a<\/p>\n<ul>\n<li>\u9ad8\u7aef\u9632\u706b\u5899\u9700\u8981\u914d\u7f6eNAT\u5730\u5740\u6c60\uff0c\u5e76\u5c06\u51fa\u63a5\u53e3IP\u914d\u7f6e\u5728\u5730\u5740\u6c60\u4e2d\u3002\u5b9e\u9645\u4e0a\u5c31\u662f\u914d\u7f6eNAPT\u529f\u80fd\uff0c\u53ea\u4e0d\u8fc7\u51fa\u63a5\u53e3IP\u548cNAT\u5730\u5740\u6c60\u4e2d\u7684IP\u4e00\u6837\u4e86\u3002<\/li>\n<li>\u4e2d\u4f4e\u7aef\u9632\u706b\u5899\u4e0d\u9700\u8981\u914d\u7f6eNAT\u5730\u5740\u6c60\uff0c\u800c\u662f\u5728NAT\u7b56\u7565\u4e2d\u6307\u5b9a\u505aeasy-ip\u8f6c\u6362\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u5982\u4e0b\u7ec4\u7f51\u8fdb\u884c\u6f14\u793a<\/strong><\/p>\n<p>easy-ip\u65e0\u9700\u914d\u7f6eNAT\u5730\u5740\u6c60\uff0c\u53ea\u9700\u5728NAT\u7b56\u7565\u4e2d\u6307\u5b9a\u5229\u7528\u54ea\u4e2a\u63a5\u53e3\u505aeasy-ip\u3002\u5b89\u5168\u7b56\u7565\u7684\u914d\u7f6e\u53ef\u4ee5\u53c2\u8003\u4e0a\u9762\u7684NATNo-PAT\uff0ceasy-ip\u4e0d\u7528\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff252a722c5.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747648078867-d141907e-e5d2-439b-94ad-babf06a2c9fe.png\" \/><\/p>\n<p>\u914d\u7f6e easy-ip  <\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat-policy interzone trust untrust outbound\n policy 1\n action source-nat\n source-address 192.168.0.0 0.0.0.255\n easy-ip GigabitEthernet0\/0\/3 \/\/\u6e90 NAT \u8f6c\u6362\u540e\u7684\u516c\u7f51 IP \u4e3a\u63a5\u53e3 GE0\/0\/3 \u7684 IP<\/code><\/pre>\n<p>\u5206\u522b\u4ecePC1\u548cPC2\u4e0apingServer\uff0c\u67e5\u770b\u5230\u4f1a\u8bdd\u8868\u5982\u4e0b\u6240\u793a\uff08\u90e8\u5206PC1\u7684\u4f1a\u8bdd\u5df2\u8001\u5316\uff0cGE0\/0\/3\u7684IP\u662f210.10.2.1\/24\uff09\u3002\u53ef\u4ee5\u770b\u5230\u6e90IP\u548c\u7aef\u53e3\u90fd\u505a\u4e86NAT\u8f6c\u6362\uff0c\u4e14\u8f6c\u6362\u540e\u7684\u7aef\u53e3\u662f\u987a\u5e8f\u589e\u5927\u7684\u3002\u8fd9\u8bf4\u660e\uff1a\u867d\u7136\u6e90IP\u4e0d\u540c\uff0c\u4f46\u662fNAT\u8f6c\u6362\u90fd\u8d70\u540c\u4e00\u4e2a\u6d41\u7a0b\uff0c\u6240\u4ee5\u7aef\u53e3\u53f7\u987a\u5e8f\u589e\u5927\u3002\u6b64\u5916\uff0c\u548cNAPT\u4e00\u6837\uff0ceasy-ip\u4e5f\u662f\u6ca1\u6709Server-map\u8868\u7684\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff252d1f4ce.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747648155784-d85d3bd4-dfc6-48f0-95db-d2bf19ea730c.png\" \/><\/p>\n<h2>Smart NAT<\/h2>\n<p>Smart NAT \u4e3a\u4f55\u79f0\u4e3a\u201c\u806a\u660e\u7684NAT\u201d\uff1f\u8fd9\u8981\u4ece\u4ed6\u548cNAT\u3001No-PAT\u3001NAPT\u7684\u5173\u8054\u6027\u8bf4\u8d77\uff1a<\/p>\n<p>\u5047\u8bbeSmartNAT\u4f7f\u7528\u7684\u5730\u5740\u6c60\u4e2d\u5305\u542bN\u4e2aIP\uff0c\u5176\u4e2d\u4e00\u4e2aIP\u88ab\u6307\u5b9a\u4e3a\u9884\u7559\u5730\u5740\uff0c\u53e6\u5916N-1\u4e2a\u5730\u5740\u6784\u6210\u5730\u5740\u6bb51\uff08section1\uff09\u3002\u8fdb\u884cNAT\u8f6c\u6362\u65f6\uff0cSmartNAT\u4f1a\u5148\u4f7f\u7528section1\u505aNAT No-PAT\u7c7b\u578b\u7684\u8f6c\u6362\uff0c\u5f53section1\u4e2d\u7684IP\u90fd\u88ab\u5360\u7528\u540e\uff0c\u624d\u4f7f\u7528\u9884\u7559IP\u505aNAPT\u7c7b\u578b\u7684\u8f6c\u6362\u3002 <\/p>\n<p>\u7531\u4e8e eNSP \u4e0d\u652f\u6301\u9ad8\u7aef\u9632\u706b\u5899\uff0c\u6240\u4ee5\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u9645\u7684\u7ec4\u7f51\u6765\u770b\u4e0b Smart NAT \u7684\u5b9e\u73b0\u8fc7\u7a0b\u3002  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff253064552.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747649732862-a15c5ba1-12c1-47e1-83d3-261168332928.png\" \/><\/p>\n<p>Smart NAT \u7684\u914d\u7f6e\u548c NAT No-PAT \u7684\u914d\u7f6e\u51e0\u4e4e\u5b8c\u5168\u4e00\u81f4\uff0c\u533a\u522b\u53ea\u662f\u5728\u5730\u5740\u6c60\u4e2d\u6307\u5b9a\u4e86\u4e00\u4e2a IP \u4f5c\u4e3a\u9884\u7559 IP\uff0c\u4e0b\u9762\u7ed9\u51fa\u5173\u952e\u914d\u7f6e\uff1a  <\/p>\n<p><strong>\u914d\u7f6e Smart NAT<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat address-group 1\n mode no-pat \/\/\u6a21\u5f0f\u8981\u9009\u62e9 no-pat\n smart-nopat 30.1.1.21 \/\/\u9884\u7559\u4e00\u4e2a IP \u505a NAPT\n section 1 30.1.1.20 30.1.1.20 \/\/section \u4e2d\u4e0d\u80fd\u5305\u542b\u9884\u7559 IP\uff01\n#\npolicy interzone trust untrust outbound\npolicy 1\n action permit\n policy source 10.1.1.0 0.0.0.255\n policy source 20.1.1.0 0.0.0.255\n#\nnat-policy interzone trust untrust outbound\npolicy 1\n action source-nat\n address-group 1\n policy source 10.1.1.0 0.0.0.255\n policy source 20.1.1.0 0.0.0.255 <\/code><\/pre>\n<p>\u5148\u4ece PC2 \u4e0a ping PC3\uff0c\u518d\u4ece PC1 \u4e0a ping PC3\uff08\u8bf7\u6ce8\u610f\u8fd9\u4e2a\u987a\u5e8f\uff09\uff0c\u5728 USG9000 \u4e0a\u67e5\u770b\u4f1a \u8bdd\u8868   \uff08\u4e2d\u62ec\u53f7[]\u5185\u7684\u662f NAT \u8f6c\u6362\u540e\u7684 IP \u548c\u7aef\u53e3\uff09\u3002 \u53ef\u4ee5\u770b\u5230 PC2\uff0820.1.1.11\uff09\u53ea\u8f6c\u6362\u4e86 IP\uff0c \u6ca1\u6709\u8f6c\u6362\u7aef\u53e3\uff0c\u4e5f\u5c31\u662f\u8bf4\u505a\u4e86 NAT No-PAT \u8f6c\u6362\u3002\u800c PC1\uff0810.1.1.11\uff09\u7684 IP \u548c\u7aef\u53e3\u90fd\u8fdb\u884c \u4e86\u8f6c\u6362\uff0c\u4e14\u8f6c\u6362\u540e\u7684 IP \u5c31\u662f\u9884\u7559 IP\uff0830.1.1.21\uff09\uff0c\u6240\u4ee5\u8bf4\u4ed6\u505a\u4e86 NAPT \u8f6c\u6362\u3002   <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25330ad36.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747649801255-207e9624-c7c5-4d06-a4ba-97fa979049ee.png\" \/><\/p>\n<p>\u6211\u4eec\u518d\u770b Server-map \u8868\uff0c\u7ed3\u679c\u4e5f\u7b26\u5408 NAT No-PAT \u548c NAPT \u529f\u80fd\u7684\u7279\u70b9\uff1a\u53ea\u6709 NAT No-PAT \u7c7b\u578b\u7684\u8868\u9879\uff0cNAPT \u8f6c\u6362\u6ca1\u6709 Server-map \u8868\u3002  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2536614b4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747649814940-bdd4a18d-b87b-437d-8563-6d754b1ef0bd.png\" \/><\/p>\n<h2>\u4e09\u5143\u7ec4 NAT<\/h2>\n<p>\u4e09\u5143\u7ec4 NAT \u4e2d\u7684\u201c\u4e09\u5143\u201d\u662f\u6307\uff1a\u6e90 IP\u3001\u6e90\u7aef\u53e3\u548c\u534f\u8bae  <\/p>\n<p>\u4e09\u5143\u7ec4 NAT \u529f\u80fd\u7684\u4ea7\u751f\u57fa\u4e8e\u8fd9\u6837\u4e00\u4e2a\u4e8b\u5b9e\uff1a  <\/p>\n<blockquote>\n<p>\u73b0\u4eca\u5927\u90e8\u5206\u7f51\u7edc\u4e3b\u673a\u90fd\u5904\u5728 NAT \u8bbe\u5907\u540e\uff0c\u800c P2P \u5e94\u7528\uff08\u5982 QQ\u3001BT\uff09\u662f\u4eba\u4eec\u6700\u5e38\u7528\u7684\u8f6f\u4ef6\u4e4b\u4e00\u3002\u5f53 NAT \u9047\u5230 P2P \u7684\u65f6\u5019\uff0c\u4ea7\u751f\u7684\u4e0d\u662f\u5b8c\u7f8e \u7684\u201cNAT-P2P\u201d   \u4e8b\u5b9e\u4e0a\uff0c\u5f53\u6709 NAT \u8bbe\u5907\u5b58\u5728\u65f6\uff0c\u5982\u679c\u8981\u4fdd\u8bc1\u5185\u7f51\u7528\u6237\u6b63\u5e38\u4f7f\u7528 P2P \u8f6f\u4ef6\uff0c\u5f80\u5f80\u8fd8\u9700\u8981\u5176\u4ed6 \u7f51\u7edc\u8bbe\u5907\u6765\u914d\u5408\u3002\u800c\u534e\u4e3a\u9ad8\u7aef\u9632\u706b\u5899 USG9000 \u7cfb\u5217\u53ef\u4ee5\u5b8c\u7f8e\u5730\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1a\u901a\u8fc7\u4f7f\u7528\u4e09 \u5143\u7ec4 NAT \u529f\u80fd\uff0c\u9632\u706b\u5899\u53ef\u4ee5\u5728\u505a NAT \u7f51\u5173\u7684\u540c\u65f6\u652f\u6301 P2P \u4e1a\u52a1\u7684\u6b63\u5e38\u4ea4\u4e92\uff0c\u5b8c\u5168\u4e0d\u9700\u8981\u5176 \u4ed6\u8bbe\u5907\uff01  <\/p>\n<\/blockquote>\n<p>\u4e3a\u4e86\u5f15\u51fa\u4e09\u5143\u7ec4 NAT \u7684\u7279\u70b9\uff0c\u6211\u4eec\u5148\u901a\u8fc7\u4e0b\u56fe\u6765\u770b\u770b P2P \u4e1a\u52a1\u7684\u4e00\u822c\u4ea4\u4e92\u6d41\u7a0b\u3002PC1 \u548c PC2 \u662f\u4e24\u53f0\u8fd0\u884c P2P \u4e1a\u52a1\u7684\u5ba2\u6237\u7aef\uff0c\u4ed6\u4eec\u8fd0\u884c P2P \u5e94\u7528\u65f6\u9996\u5148\u4f1a\u548c P2P \u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\uff08\u767b\u5f55\u3001 \u8ba4\u8bc1\u7b49\u64cd\u4f5c\uff09\uff0c\u670d\u52a1\u5668\u4f1a\u8bb0\u5f55\u5ba2\u6237\u7aef\u7684\u5730\u5740\u548c\u7aef\u53e3\u3002\u5f53 PC2 \u9700\u8981\u4e0b\u8f7d\u6587\u4ef6\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u5c06\u62e5 \u6709\u8be5\u6587\u4ef6\u7684\u5ba2\u6237\u7aef\u7684\u5730\u5740\u548c\u7aef\u53e3\u53d1\u9001\u7ed9 PC2\uff08\u4f8b\u5982 PC1 \u7684\u5730\u5740\u548c\u7aef\u53e3\uff09\uff0c\u7136\u540e PC2 \u4f1a\u5411 PC1 \u53d1\u9001\u8bf7\u6c42\uff0c\u5e76\u4ece PC1 \u4e0a\u4e0b\u8f7d\u6587\u4ef6\u3002  <\/p>\n<p>\u5982\u679c PC1 \u662f\u5185\u7f51\u4e3b\u673a\uff0c\u5728\u9632\u706b\u5899\u4e0a\u505a NAT \u8f6c\u6362\uff0c\u6b64\u65f6 P2P \u670d\u52a1\u5668\u8bb0\u5f55\u7684\u5c31\u662f PC1 \u505a NAT \u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u3002\u4e5f\u8bb8\u6709\u4eba\u4f1a\u95ee\uff1aPC1 \u505a NAT \u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u4e0d\u4f1a\u53d8\u5316\u5417\uff1f\u7b54\u6848\u662f \u4f1a\u53d8\u5316\uff0c\u4f46\u662f PC1 \u4f1a\u5b9a\u671f\u5411\u670d\u52a1\u5668\u53d1\u9001\u62a5\u6587\uff08\u7528\u4e8e\u8ba4\u8bc1\u7b49\uff09\uff0c\u670d\u52a1\u5668\u4e5f\u5c31\u8bb0\u5f55\u4e86\u6700\u65b0\u7684 NAT \u540e\u5730\u5740\u548c\u7aef\u53e3\uff0c\u6240\u4ee5\u53ef\u4ee5\u4fdd\u8bc1 PC2 \u80fd\u591f\u6210\u529f\u8bbf\u95eePC1\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff253919516.png\" class=\"lazy\" loading=\"lazy\" alt=\"1747650129654-3797665b-d59d-4140-81cd-8d4aa00fd302.png\" \/><\/p>\n<ul>\n<li>PC1\u6ca1\u6709\u4e3b\u52a8\u8bbf\u95ee\u8fc7PC2\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u9632\u706b\u5899\u4e0d\u4f1a\u5141\u8bb8PC2\u4e3b\u52a8\u8bbf\u95eePC1\u3002<\/li>\n<li>PC1\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\uff0cNAT\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u53ea\u80fd\u88ab\u670d\u52a1\u5668\u7528\u6765\u8bbf\u95eePC1\uff0c\u5176\u4ed6\u4e3b\u673a\uff08\u4f8b\u5982PC2\uff09\u4e0d\u80fd\u5229\u7528\u8fd9\u4e2a\u5730\u5740\u548c\u7aef\u53e3\u8bbf\u95eePC1\uff0c\u8bf7\u6c42\u62a5\u6587\u5728\u9632\u706b\u5899\u4e0a\u5c06\u88ab\u4e22\u5f03\u3002<\/li>\n<\/ul>\n<p>\u4e09\u5143\u7ec4NAT\u53ef\u4ee5\u5b8c\u7f8e\u5730\u89e3\u51b3\u4e0a\u8ff0\u4e24\u4e2a\u95ee\u9898\uff0c\u4f9d\u9760\u7684\u6b63\u662f\u4ee5\u4e0b\u4e24\u4e2a\u7279\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u652f\u6301\u5916\u7f51\u4e3b\u52a8\u8bbf\u95ee<\/strong>\uff0c\u65e0\u8bba\u5185\u7f51\u4e3b\u673a\u662f\u5426\u4e3b\u52a8\u8bbf\u95ee\u8fc7\u67d0\u4e2a\u5916\u7f51\u4e3b\u673a\uff0c\u53ea\u8981\u5916\u7f51\u4e3b\u673a\u77e5\u9053\u5185\u7f51\u4e3b\u673aNAT\u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\uff0c\u5c31\u53ef\u4ee5\u4e3b\u52a8\u5411\u8be5\u5185\u7f51\u4e3b\u673a\u53d1\u8d77\u8bbf\u95ee\u3002<\/li>\n<li>\n<p><strong>\u52a8\u6001\u5bf9\u5916\u7aef\u53e3\u4e00\u81f4\u6027<\/strong>\uff0c\u5185\u7f51\u4e3b\u673a\u505aNAT\u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u5c06\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4fdd\u6301\u4e0d\u53d8\uff0c\u5728\u6b64\u65f6\u95f4\u5185\u6bb5\uff0c\u5185\u7f51\u4e3b\u673a\u56fa\u5b9a\u5730\u4f7f\u7528\u6b64NAT\u540e\u5730\u5740\u548c\u7aef\u53e3\u8bbf\u95ee\u4efb\u610f\u5916\u7f51\u4e3b\u673a\uff0c\u4efb\u610f\u5916\u7f51\u4e3b\u673a\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6b64NAT\u540e\u5730\u5740\u548c\u7aef\u53e3\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a\u3002<\/p>\n<p>\u5185\u7f51\u4e3b\u673a\u505a NAT \u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u5c06\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4fdd\u6301\u4e0d\u53d8\uff0c\u5728\u6b64\u65f6\u95f4\u5185\u6bb5\uff0c\u5185\u7f51\u4e3b\u673a\u56fa \u5b9a\u5730\u4f7f\u7528\u6b64 NAT \u540e\u5730\u5740\u548c\u7aef\u53e3\u8bbf\u95ee\u4efb\u610f\u5916\u7f51\u4e3b\u673a\uff0c\u4efb\u610f\u5916\u7f51\u4e3b\u673a\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6b64 NAT \u540e\u5730\u5740 \u548c\u7aef\u53e3\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a\u3002  <\/p>\n<\/li>\n<\/ul>\n<p>\u4ece\u5b9e\u73b0\u539f\u7406\u89d2\u5ea6\u8bb2\uff0c\u4e09\u5143\u7ec4NAT\u662f\u901a\u8fc7Server-map\u8868\u4f7f\u5916\u7f51\u4e3b\u673a\u53ef\u4ee5\u4e3b\u52a8\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a\uff0c\u5e76\u4fdd\u8bc1NAT\u8f6c\u6362\u5173\u7cfb\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4fdd\u6301\u4e0d\u53d8\u3002\u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660e\u4f1a\u66f4\u5bb9\u6613\u7406\u89e3\uff08\u6211\u4eec\u8fd8\u662f\u7528\u5b9e\u9645\u8bbe\u5907\u6765\u7ec4\u7f51\uff09\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff253b92687.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748076925261-6b28a13c-20ea-4dd2-8dd7-4a916fafb34f.png\" \/><\/p>\n<p>\u4e09\u5143\u7ec4NAT\u548cNATNo-PAT\u5728\u914d\u7f6e\u4e0a\u7684\u533a\u522b\u4ec5\u5728\u4e8e\u9009\u62e9\u4e0d\u540c\u7684\u6e90NAT\u6a21\u5f0f\uff0c\u4e0b\u9762\u7ed9\u51fa\u5173\u952e\u914d\u7f6e\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat address-group 1\n mode full-cone global \/\/\u505a\u4e09\u5143\u7ec4 NAT \u8f6c\u6362\uff0cglobal \u8868\u793a Server-map \u8868\u4e0d\u9650\u5236\u57df\u95f4\u5173\u7cfb\n section 1 30.1.1.20 30.1.1.20\n#\nnat-policy interzone trust untrust outbound\npolicy 1\naction source-nat\naddress-group 1\npolicy source 20.1.1.0 0.0.0.255 <\/code><\/pre>\n<p>\u4ece PC1 \u4e0a ping PC2\uff0c\u5728\u4f1a\u8bdd\u8868\u4e2d\u53ef\u4ee5\u770b\u5230\u6e90 IP \u548c\u7aef\u53e3\u90fd\u505a\u4e86 NAT \u8f6c\u6362  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff253d9371b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748076995105-4d58b915-b1b3-4cc2-8bd2-e6b9fbf563af.png\" \/><\/p>\n<p>\u518d\u770bServer-map\u8868\uff0c\u53ef\u4ee5\u770b\u5230\u7c7b\u578b\u662fFullCone\uff08\u5168\u5706\u9525\uff09\uff0c\u5373\u4e09\u5143\u7ec4NAT\u7684Serverv-map\u8868\uff08\u5173\u4e8eFullCone\u7684\u5185\u5bb9\uff0c\u8bf7\u89c1\u4e0b\u9762\u7684\u9644\u5f55\u5185\u5bb9\uff09\u3002\u5728Server-map\u8868\u6ca1\u6709\u8001\u5316\u524d\uff0c\u4e09\u5143\u7ec4\u7684\u6e90Server-map\u8868\u9879\uff08FullConeSrc\uff09\u4f5c\u7528\u662f\uff1a\u5185\u7f51\u4e3b\u673a\u8bbf\u95ee\u4efb\u610f\u5916\u7f51\u4e3b\u673a\uff08ANY\uff09\u65f6\uff0cNAT\u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u90fd\u662f30.1.1.20:3536\u3002\u76ee\u7684Server-map\u8868\u9879\uff08FullConeDst\uff09\u7684\u4f5c\u7528\u662f\uff1a\u4efb\u610f\u5916\u7f51\u4e3b\u673a\uff08ANY\uff09\u90fd\u53ef\u4ee5\u901a\u8fc730.1.1.20:3536\u6765\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a20.1.1.11\u3002\u901a\u8fc7\u8fd9\u4e24\u6761Server-map\u8868\u9879\u5373\u5b9e\u73b0\u4e86\u201c\u5916\u7f51\u4e3b\u673a\u53ef\u4ee5\u4e3b\u52a8\u8bbf\u95ee\u5185\u7f51\u4e3b\u673a\uff0c\u5e76\u4fdd\u8bc1NAT\u8f6c\u6362\u5173\u7cfb\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4fdd\u6301\u4e0d\u53d8\u201d\u7684\u8981\u6c42\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2540c24e2.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077054500-ba1ca267-1a26-49ad-8f07-feb058f17291.png\" \/><\/p>\n<p>\u7531\u4e8e\u5b9e\u9a8c\u5ba4\u73af\u5883\u9650\u5236\uff0c\u6b64\u5904\u65e0\u6cd5\u901a\u8fc7P2P\u5e94\u7528\u6765\u9a8c\u8bc1\u4e09\u5143\u7ec4NAT\u7684\u53e6\u4e00\u4e2a\u7279\u70b9\uff1aPC1\u6ca1\u6709\u8bbf\u95ee\u8fc7\u7684\u4e3b\u673a\u53ef\u4ee5\u901a\u8fc730.1.1.20:3536\u4e3b\u52a8\u8bbf\u95eePC1\u3002\u5b9e\u9645\u4e0a\uff0c\u5982\u679c\u6709\u4e00\u53f0P2P\u5ba2\u6237\u7aefPC3\uff0c\u4ed6\u662f\u53ef\u4ee5\u901a\u8fc730.1.1.20:3536\u6210\u529f\u8bbf\u95eePC1\u7684\u3002\u901a\u8fc7\u53e6\u4e00\u79cd\u65b9\u6cd5\u53ef\u4ee5\u9a8c\u8bc1NAT\u8f6c\u6362\u7684\u56fa\u5b9a\u6027\uff1a\u5728Serverv-map\u8868\u6ca1\u6709\u8001\u5316\u524d\uff0c\u53ef\u4ee5\u7528\u4e00\u53f0\u4e3b\u673atelnet30.1.1.20:3536\uff0c\u5f53\u7136PC1\u8981\u5148\u5f00\u542fTelnet\u670d\u52a1\u5668\u529f\u80fd\uff0c\u4e14\u7aef\u53e3\u8981\u8bbe\u7f6e\u4e3a3536<\/p>\n<blockquote>\n<p>\u6839\u636eRFC3489\u4e2d\u7684\u5185\u5bb9\uff0cFullCone\uff08\u5168\u5706\u9525\uff09\u662f4\u79cdNAT\u7aef\u53e3\u6620\u5c04\u65b9\u5f0f\u4e2d\u7684\u4e00\u79cd\uff0c\u5176\u4ed63\u79cd\u5206\u522b\u4e3a\uff1aRestrictedCone\uff08\u53d7\u9650\u5706\u9525\uff09\u3001PortRestrictedCone\uff08\u7aef\u53e3\u53d7\u9650\u5706\u9525\uff09\u548cSymmetric\uff08\u5bf9\u79f0\u578b\uff09\u3002<\/p>\n<ul>\n<li>\u5168\u5706\u9525NAT\u7684\u6a21\u578b\u662f\uff1a\u5185\u7f51\u4e3b\u673a\u505aNAT\u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4fdd\u6301\u4e0d\u53d8\uff0c\u4e0d\u4f1a\u56e0\u4e3a\u76ee\u7684\u5730\u5740\u4e0d\u540c\u800c\u4e0d\u540c\uff0c\u6240\u4ee5\u5185\u7f51\u4e3b\u673a\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684NAT\u540e\u4e09\u5143\u7ec4\uff08\u6e90IP\u3001\u6e90\u7aef\u53e3\u3001\u534f\u8bae\uff09\u8bbf\u95ee\u4e0d\u540c\u5916\u7f51\u4e3b\u673a\u3002\u5f53NAT\u540e\u4e09\u5143\u7ec4\u786e\u5b9a\u540e\uff0c\u5916\u7f51\u4e3b\u673a\u4e5f\u90fd\u53ef\u4ee5\u901a\u8fc7\u8be5\u4e09\u5143\u7ec4\u8bbf\u95ee\u5185\u7f51\u7528\u6237\u3002\uff08\u9898\u5916\u8bdd\uff1a\u4e4b\u6240\u4ee5\u53eb\u201c\u5168\u5706\u9525\u201d\uff0c\u5e94\u8be5\u5c31\u662f\u6839\u636e\u201c\u4e00\u5bf9\u591a\u201d\u7684\u6a21\u578b\u547d\u540d\u7684\u5427\u3002\uff09<\/li>\n<li>\u5bf9\u79f0\u578bNAT\u7684\u6a21\u578b\u662f\uff1a\u5185\u7f51\u4e3b\u673a\u4f1a\u6839\u636e\u4e0d\u540c\u7684\u76ee\u7684\u5730\u5740\u505aNAT\u8f6c\u6362\uff0cNAT\u8f6c\u6362\u540e\u7684\u5730\u5740\u548c\u7aef\u53e3\u4e00\u822c\u662f\u4e0d\u76f8\u540c\u7684\u3002\u7531\u4e8e\u5bf9\u4e0d\u540c\u5916\u7f51\u4e3b\u673a\u5448\u73b0\u4e0d\u540c\u7684\u4e09\u5143\u7ec4\uff08\u6e90IP\u3001\u6e90\u7aef\u53e3\u3001\u534f\u8bae\uff09\uff0c\u6240\u4ee5\u5916\u7f51\u4e3b\u673a\u53ea\u80fd\u901a\u8fc7\u8bbf\u95ee\u5bf9\u5e94\u7684NAT\u540e\u4e09\u5143\u7ec4\u624d\u80fd\u8fdb\u5165\u5185\u7f51\uff0c\u5373\u9700\u8981\u9650\u5b9a\u76ee\u6807\u7528\u6237\u548c\u7aef\u53e3\uff0c\u56e0\u6b64\u5bf9\u79f0\u578bNAT\u4e5f\u79f0\u4e3a\u4e94\u5143\u7ec4NAT\uff08\u6e90IP\u3001\u6e90\u7aef\u53e3\u3001\u76ee\u7684IP\u3001\u76ee\u7684\u7aef\u53e3\u3001\u534f\u8bae\uff09\u3002<\/li>\n<\/ul>\n<p>\u534e\u4e3a\u9632\u706b\u5899\u9664\u4e86\u652f\u6301\u5168\u5706\u9525NAT\uff0c\u4e5f\u652f\u6301\u5bf9\u79f0\u578bNAT\uff0cNAPT\u529f\u80fd\u5373\u4e3a\u4e94\u5143\u7ec4NAT\u3002<\/p>\n<\/blockquote>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25436c7c1.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077236042-4b6d5348-0744-45aa-a106-e3313c4f947f.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25462f651.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077242660-1f4df7aa-ddbf-4bc4-8439-bc51091e627b.png\" \/><\/p>\n<h1>NAT Server \u57fa\u7840<\/h1>\n<p>\u5b66\u6821\u6216\u516c\u53f8\u7684\u79c1\u7f51\u901a\u5e38\u4f1a\u6709\u4e00\u4e9b\u670d\u52a1\u5668\u9700\u8981\u63d0\u4f9b\u7ed9\u516c\u7f51\u7528\u6237\u8bbf\u95ee\u3002\u4f46\u662f\u7f51\u7edc\u90e8\u7f72\u65f6\uff0c\u670d\u52a1\u5668\u5730\u5740\u4e00\u822c\u90fd\u4f1a\u88ab\u914d\u7f6e\u6210\u79c1\u7f51\u5730\u5740\uff0c\u8fd9\u6837\u670d\u52a1\u5668\u5c31\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\u81ea\u8eab\u7684\u5730\u5740\u6765\u63d0\u4f9b\u670d\u52a1\u4e86\u3002\u9632\u706b\u5899\u662f\u4e0d\u662f\u4e5f\u53ef\u4ee5\u5c06\u670d\u52a1\u5668\u7684\u79c1\u7f51\u5730\u5740\u901a\u8fc7NAT\u8f6c\u6362\u6210\u516c\u7f51\u5730\u5740\u6765\u63d0\u4f9b\u670d\u52a1\u5462\uff1f<\/p>\n<p>\u4e0d\u8fc7\uff0c\u6e90NAT\u662f\u5bf9\u79c1\u7f51\u7528\u6237\u8bbf\u95ee\u516c\u7f51\u7684\u62a5\u6587\u7684\u6e90\u5730\u5740\u8fdb\u884c\u8f6c\u6362\uff0c\u800c\u670d\u52a1\u5668\u5bf9\u516c\u7f51\u63d0\u4f9b\u670d\u52a1\u65f6\uff0c\u662f\u516c\u7f51\u7528\u6237\u5411\u79c1\u7f51\u53d1\u8d77\u8bbf\u95ee\uff0c\u65b9\u5411\u6b63\u597d\u53cd\u8fc7\u6765\u4e86\u3002\u4e8e\u662f\uff0cNAT\u8f6c\u6362\u7684\u76ee\u6807\u4e5f\u7531\u62a5\u6587\u7684\u6e90\u5730\u5740\u53d8\u6210\u4e86\u76ee\u7684\u5730\u5740\u3002\u9488\u5bf9\u670d\u52a1\u5668\u7684\u5730\u5740\u8f6c\u6362\uff0c\u6211\u4eec\u8d4b\u4e88\u4e86\u5b83<\/p>\n<p>\u4e00\u4e2a\u5f62\u8c61\u7684\u540d\u5b57\u2014\u2014NATServer\uff08\u670d\u52a1\u5668\u6620\u5c04\uff09\u3002<\/p>\n<p><strong>NATServer \u7684\u914d\u7f6e\u548c\u5b9e\u73b0<\/strong><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2548e7f6c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077466745-96d33439-401a-4c57-bb48-8cc07cdd1169.png\" \/><\/p>\n<p>\u5728\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u5982\u4e0b\u547d\u4ee4\uff0c\u5c31\u80fd\u5c06\u4e0a\u56fe\u4e2d\u670d\u52a1\u5668\u7684\u79c1\u7f51\u5730\u574010.1.1.2\u6620\u5c04\u6210\u516c\u7f51\u5730\u57401.1.1.1<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">[FW] nat server global 1.1.1.1 inside 10.1.1.2 <\/code><\/pre>\n<p>\u4f46\u662f\uff0c\u5982\u679c\u4e00\u53f0\u670d\u52a1\u5668\u540c\u65f6\u5b58\u5728\u591a\u79cd\u534f\u8bae\u548c\u7aef\u53e3\u7684\u670d\u52a1\u9879\uff0c\u6309\u7167\u4e0a\u8ff0\u914d\u7f6e\u4f1a\u5c06\u670d\u52a1\u5668\u4e0a\u6240\u6709\u670d\u52a1\u9879\u90fd\u53d1\u5e03\u5230\u516c\u7f51\uff0c\u8fd9\u65e0\u7591\u4f1a\u5e26\u6765\u5f88\u5927\u7684\u5b89\u5168\u98ce\u9669\u3002\u534e\u4e3a\u9632\u706b\u5899\u652f\u6301\u914d\u7f6e\u6307\u5b9a\u534f\u8bae\u7684NATServer\uff0c\u53ea\u5c06\u670d\u52a1\u5668\u4e0a\u7279\u5b9a\u7684\u670d\u52a1\u9879\u5bf9\u516c\u7f51\u53d1\u5e03\uff0c\u4ece\u800c\u907f\u514d\u670d\u52a1\u9879\u5168\u53d1\u5e03\u5e26\u6765\u7684\u98ce\u9669\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u914d\u7f6e\uff0c\u5c06\u670d\u52a1\u5668\u4e0a80\u7aef\u53e3\u7684\u670d\u52a1\u9879\u6620\u5c04\u4e3a9980\u7aef\u53e3\u4f9b\u516c\u7f51\u7528\u6237\u8bbf\u95ee\u3002<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">[FW] nat server protocol tcp global 1.1.1.1 9980 inside 10.1.1.2 80<\/code><\/pre>\n<p>\u8fd9\u91cc\u5c0680\u7aef\u53e3\u8f6c\u6362\u4e3a9980\u7aef\u53e3\u800c\u4e0d\u662f\u76f4\u63a5\u8f6c\u6362\u621080\u7aef\u53e3\u662f\u56e0\u4e3a\uff0c\u4e00\u4e9b\u5730\u533a\u7684\u8fd0\u8425\u5546\u4f1a\u963b\u65ad\u65b0\u589e\u768480\u30018000\u30018080\u7aef\u53e3\u7684\u4e1a\u52a1\uff0c\u4ece\u800c\u5bfc\u81f4\u670d\u52a1\u5668\u65e0\u6cd5\u8bbf\u95ee\u3002NATserver<\/p>\n<p>\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\uff0c\u4e5f\u4f1a\u751f\u6210Server-map\u8868\u6765\u4fdd\u5b58\u6620\u5c04\u5173\u7cfb\u3002\u4e0d\u8fc7\u4e0eASPFServer-map\u8868\u9879\u7684\u52a8\u6001\u8001\u5316\u4e0d\u540c\u7684\u662f\uff0cNATServer\u7684Server-map\u8868\u9879\u662f\u9759\u6001\u7684\uff0c\u53ea\u6709\u5f53NATServer\u914d\u7f6e\u88ab\u5220\u9664\u65f6\uff0c\u5bf9\u5e94\u7684Server-map\u8868\u9879\u624d\u4f1a\u88ab\u5220\u9664\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff254b9dae9.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077658945-74b2c1db-e916-4c5c-bd8d-8bdf22a56d08.png\" \/><\/p>\n<p>\u56fe\u4e2d\u7ea2\u6846\u6807\u6ce8\u7684\u5b57\u6bb5\u5c31\u8bb0\u5f55\u7740\u670d\u52a1\u5668\u79c1\u7f51\u5730\u5740\u7aef\u53e3\u548c\u516c\u7f51\u5730\u5740\u7aef\u53e3\u7684\u6620\u5c04\u5173\u7cfb\u3002[]\u5185\u4e3a\u670d\u52a1\u5668\u79c1\u7f51\u5730\u5740\u548c\u7aef\u53e3\u3001[]\u5916\u4e3a\u670d\u52a1\u5668\u516c\u7f51\u5730\u5740\u548c\u7aef\u53e3\u3002\u6211\u4eec\u5c06\u8868\u9879\u7ffb\u8bd1\u6210\u6587\u5b57\u5c31\u662f\uff1a\u4efb\u610f\u5ba2\u6237\u7aef\uff08any\uff09\u5411\uff08-&gt;\uff091.1.1.1:9980\u53d1\u8d77\u8bbf\u95ee\u65f6\uff0c\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u548c\u7aef\u53e3\u90fd\u4f1a\u88ab\u8f6c\u6362\u621010.1.1.2:80\u3002\u5177\u4f53\u7684\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<p>\u5f53\u5ba2\u6237\u7aef\u901a\u8fc71.1.1.1:9980\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\uff0c\u9632\u706b\u5899\u6536\u5230\u62a5\u6587\u7684\u9996\u5305\u540e\uff0c\u9996\u5148\u662f\u67e5\u627e\u5e76\u5339\u914d\u5230Server-map\u8868\u9879\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u548c\u7aef\u53e3\u8f6c\u6362\u4e3a10.1.1.2:80\u3002\u7136\u540e\u6839\u636e\u76ee\u7684\u5730\u5740\u5224\u65ad\u51fa\u62a5\u6587\u5728\u54ea\u4e24\u4e2a\u5b89\u5168\u533a\u57df\u95f4\u6d41\u52a8\uff0c\u62a5\u6587\u901a\u8fc7\u57df\u95f4\u5b89\u5168\u7b56\u7565\u68c0\u67e5\u540e\uff0c\u9632\u706b\u5899\u4f1a\u5efa\u7acb\u5982\u4e0b\u7684\u4f1a\u8bdd\u8868\uff0c\u5e76\u5c06\u62a5\u6587\u8f6c\u53d1\u5230\u79c1\u7f51\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff254e73587.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077709520-f5610818-d9c4-41f4-9490-5aefd47499d5.png\" \/><\/p>\n<p>\u4e4b\u540e\uff0c\u670d\u52a1\u5668\u5bf9\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u505a\u51fa\u54cd\u5e94\u3002\u54cd\u5e94\u62a5\u6587\u5230\u8fbe\u9632\u706b\u5899\u540e\u5339\u914d\u5230\u4e0a\u9762\u7684\u4f1a\u8bdd\u8868\uff0c\u9632\u706b\u5899\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u7aef\u53e3\u8f6c\u6362\u4e3a1.1.1.1:9980\uff0c\u800c\u540e\u53d1\u9001\u81f3\u516c\u7f51\u3002\u540e\u7eed\u5ba2\u6237\u7aef\u7ee7\u7eed\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u62a5\u6587\uff0c\u9632\u706b\u5899\u90fd\u4f1a\u76f4\u63a5\u6839\u636e\u4f1a\u8bdd\u8868\u5bf9\u5176\u8fdb\u884c\u5730\u5740\u548c\u7aef\u53e3\u8f6c\u6362\uff0c\u800c\u4e0d\u4f1a\u518d\u53bb\u67e5\u627eServer-map\u8868\u9879\u4e86\u3002<\/p>\n<p>\u5728\u9632\u706b\u5899\u7684\u524d\u540e\u6293\u5305\uff0c\u80fd\u5f88\u6e05\u695a\u5730\u770b\u5230NAT Server\u7684\u6548\u679c\uff1a<\/p>\n<ul>\n<li>\u8f6c\u6362\u5ba2\u6237\u7aef\u53d1\u5f80\u670d\u52a1\u5668\u7684\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u548c\u7aef\u53e3<\/li>\n<\/ul>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff255287dde.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077765343-3f914b92-1894-4a92-b4c1-6d11d406eb38.png\" \/><\/p>\n<ul>\n<li>\u8f6c\u6362\u670d\u52a1\u5668\u54cd\u5e94\u5ba2\u6237\u7aef\u7684\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u7aef\u53e3  <\/li>\n<\/ul>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2555710f7.png\" class=\"lazy\" loading=\"lazy\" alt=\"1748077779530-1e145278-814e-4fcc-8179-862c23ca30b7.png\" \/><\/p>\n<h1>\u5f3a\u53d4\u7684 NAT Server \u4e09\u5341\u4e8c\u5b57\u7bb4\u8a00<\/h1>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">\u4e00\u6b63\u4e00\u53cd\uff0c\u51fa\u5165\u81ea\u5982 \u53bb\u53cd\u5b58\u6b63\uff0c\u81ea\u65ad\u51fa\u8def\n\u4e00\u5206\u4e3a\u4e8c\uff0c\u6e90\u8fdb\u6e90\u56de \u865a\u5b9e\u53d8\u6362\uff0c\u5408\u4e8c\u4e3a\u4e00<\/code><\/pre>\n<h2>\u4e00\u6b63\u4e00\u53cd \u51fa\u5165\u81ea\u5982<\/h2>\n<p>\u5165-&gt;\u516c\u7f51\u5230\u79c1\u7f51<\/p>\n<p>\u51fa-&gt;\u79c1\u7f51\u5230\u516c\u7f51<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25583bb73.png\" class=\"lazy\" loading=\"lazy\" alt=\"1751245712602-78a42d64-3eb4-4101-b610-b8b504cd16f7.png\" \/><\/p>\n<p><code>[FW] nat server protocol tcp global 1.1.1.1 9980 inside 10.1.1.2 80<\/code><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff255b18e7f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1751245780499-5dffc499-e00d-40e7-8942-088968661dd7.png\" \/><\/p>\n<p>Nat Server, any -&gt; 1.1.1.1:9980[10.1.1.2:80]\u4e3a\u6b63\u5411 Server-map \u8868\u9879\uff0c\u5176\u4f5c\u7528\u4e3a\u5165\u3002\u5728\u516c\u7f51 \u7528\u6237\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\u5bf9\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u505a\u8f6c\u6362\u3002<\/p>\n<p>Nat Server Reverse, 10.1.1.2[1.1.1.1] -&gt; any \u4e3a\u53cd\u5411 Server-map \u8868\u9879\uff0c\u5176\u4f5c\u7528\u4e3a\u51fa\u3002\u5f53\u79c1\u7f51 \u670d\u52a1\u5668\u4e3b\u52a8\u8bbf\u95ee\u516c\u7f51\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e2a\u8868\u9879\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u7531\u79c1\u7f51\u5730\u5740\u8f6c\u6362\u4e3a\u516c\u7f51\u5730\u5740\uff0c \u800c\u4e0d\u7528\u518d\u5355\u72ec\u4e3a\u670d\u52a1\u5668\u914d\u7f6e\u6e90NAT \u7b56\u7565<\/p>\n<h2>\u53bb\u53cd\u5b58\u6b63 \u81ea\u65ad\u51fa\u8def<\/h2>\n<p>\u5220\u9664\u53cd\u5411 Server-map \u8868\u9879 \u914d\u7f6e NAT-Server \u65f6\u5e26\u4e0a no-reverse \u53c2\u6570\u5c31\u80fd\u8ba9\u751f\u6210\u7684 Server-map \u8868\u9879\u53ea\u6709\u6b63\u5411\u6ca1\u6709\u53cd\u5411<\/p>\n<p><code>[FW]nat server protocol tcp global 1.1.1.1 9980 inside 10.1.1.2 80 no-reverse<\/code><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff255da6396.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757557727378-64f3692f-3dd4-4532-a630-279fce9d13bb.png\" \/><\/p>\n<p>\u6ca1\u6709\u53cd\u5411 Server-map \u76f8\u5f53\u4e8e\u65ad\u4e86\u670d\u52a1\u5668\u53bb\u516c\u7f51\u7684\u8def \u63a5\u4e0b\u6765\u6f14\u793a\u4ec0\u4e48\u65f6\u5019\u9700\u8981\u81ea\u65ad\u51fa\u8def<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff255fda25b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757557802138-97686803-76c7-4dc1-bf8c-874d52fd3e46.png\" \/><\/p>\n<p>\u603b\u90e8\u6709\u4e00\u53f0\u670d\u52a1\u5668\u9700\u8981\u63d0\u4f9b\u7ed9\u516c\u7f51\u7528\u6237\u8bbf\u95ee\uff0c\u5728\u603b\u90e8\u9632\u706b\u5899\u914d\u7f6e\u5982\u4e0b NAT Server<\/p>\n<p><code>[FW]nat server protocol tcp global 1.1.1.1 9980 inside 192.168.1.2 80<\/code><\/p>\n<p>\u540c\u65f6 \u603b\u90e8\u548c\u5206\u652f\u4e4b\u95f4\u901a\u8fc7 IPSec VPN \u5b9e\u73b0\u4e92\u8bbf \u603b\u90e8\u9632\u706b\u5899 IPSec \u7684\u90e8\u5206\u914d\u7f6e\u5982\u4e0b<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nacl number 3000 \/\/\u5b9a\u4e49\u9700\u8981\u8fdb\u884c IPSec \u5c01\u88c5\u7684\u6570\u636e\u6d41\nrule 5 permit ip source 192.168.1.0 0.0.0.255 destination 10.0.0.0 0.0.0.255\n#\nipsec policy map1 10 manual\nsecurity acl 3000 \/\/\u5f15\u7528 acl\uff0c\u53ea\u6709\u7b26\u5408 acl3000 \u7684\u6570\u636e\u6d41\u624d\u4f1a\u88ab\u9001\u5165 IPSec \u96a7\u9053\u5c01\u88c5\nproposal tran1\n\u2026<\/code><\/pre>\n<p>\u56e0\u4e3a\u603b\u90e8 192.168.1.0\/24 \u7f51\u6bb5\u9700\u8981\u8bbf\u95ee\u516c\u7f51\uff0c\u6240\u4ee5\u6d77\u914d\u7f6e\u4e86\u5982\u4e0b\u7684\u6e90 NAT \u7b56\u7565<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat-policy interzone trust untrust outbound\n policy 5\n action source-nat\n policy source 192.168.1.0 mask 24\n easy-ip GigabitEthernet0\/0\/1 <\/code><\/pre>\n<p>\u4e0d\u8fc7\u8fd9\u6761\u6e90 NAT \u7b56\u7565\u4f1a\u5c06 trust \u533a\u57df\u4e2d 192.168.1.0\/24 \u7f51\u6bb5\u53d1\u5f80 untrust \u533a\u57df\u7684\u6240\u6709\u62a5\u6587\u7684\u6e90\u5730\u5740\u90fd\u8f6c\u6362\u6210 GE0\/0\/1 \u63a5\u53e3\u5730\u5740 1.1.1.1 \u90a3\u4e48\u5c31\u4f1a\u5f71\u54cd\u6d41\u91cf\u4e0d\u4f1a\u5339\u914d\u5230 IPSec \u96a7\u9053\uff0c\u8fd9\u6837\u603b\u90e8\u5c31\u522b\u60f3\u901a\u8fc7 IPSec VPN \u548c\u5206\u5e03\u4e4b\u95f4\u901a\u4fe1\u4e86\uff0c\u6240\u4ee5\u9664\u4e86\u4e0a\u9762\u8fd9\u6761\u7b56\u7565 \u8fd8\u9700\u8981\u5bf9\u603b\u90e8\u8bbf\u95ee\u5206\u5e03\u7684\u6d41\u91cf\u4e0d\u505a\u6e90\u5730\u5740\u8f6c\u6362\u7684 NAT \u7b56\u7565<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat-policy interzone trust untrust outbound\n policy 0\n action no-nat\n policy source 192.168.1.0 mask 24\n policy destination 10.0.0.0 mask 24 <\/code><\/pre>\n<blockquote>\n<p>\u4e0a\u9762\u4e24\u6761\u6e90 NAT \u7b56\u7565\uff0cpolicy0 \u7684\u5339\u914d\u6761\u4ef6\u8981\u6bd4 policy5 \u66f4\u52a0\u4e25\u683c\uff0c\u6240\u4ee5\u914d\u7f6e\u5b8c\u6210\u540e\u9700\u8981\u786e\u8ba4 \u7b56\u7565\u5217\u8868\u4e2d policy0 \u5728 policy5 \u4e4b\u4e0a\u3002\u5426\u5219\u62a5\u6587\u5339\u914d\u5230\u6761\u4ef6\u5bbd\u677e\u7684 policy5 \u540e\u5c31\u76f4\u63a5\u505a\u4e86\u6e90\u5730 \u5740\u8f6c\u6362\uff0c\u800c\u4e0d\u4f1a\u518d\u5339\u914d\u5230 policy0 \u4e86\u3002  <\/p>\n<\/blockquote>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u5206\u5e03\u7684\u5458\u5de5\u53ef\u4ee5\u8bbf\u95ee\u603b\u90e8\u670d\u52a1\u5668\u7684\u79c1\u7f51\u5730\u5740 192.168.1.2 \u603b\u90e8 192.168.1.0\/24 \u7f51\u6bb5\u5458\u5de5\u4e5f\u80fd\u548c\u5206\u5e03\u7684 10.0.0\/24 \u7f51\u6bb5\u901a\u4fe1\u3002\u4f46\u603b\u90e8\u670d\u52a1\u5668\u5374\u65e0\u6cd5\u8bbf\u95ee\u5206\u5e03 10.0.0.0\/24 \u7f51\u6bb5\u8d44\u6e90 \u5220\u9664 NAT Server \u914d\u7f6e\u540e\u5c31\u80fd\u6b63\u5e38\u8bbf\u95ee<\/p>\n<p>\u5f88\u660e\u663e \u95ee\u9898\u51fa\u5728 NAT Server \u4e0a\uff0c\u4f46\u603b\u90e8\u7684\u670d\u52a1\u5668\u9700\u8981\u63d0\u4f9b\u7ed9\u516c\u7f51\u7528\u6237\u8bbf\u95ee\uff0c\u6211\u4eec\u4e0d\u80fd\u968f\u610f\u5c06 NAT Server \u914d\u7f6e\u53bb\u6389\uff0c\u90a3\u8be5\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898<\/p>\n<p>\u603b\u90e8 Server Ping \u5206\u90e8 PC \u65f6\uff0c\u9632\u706b\u5899\u4e0a\u53ef\u4ee5\u770b\u5230\u8fd9\u6837\u4e00\u6761\u4f1a\u8bdd<\/p>\n<p><code>&lt;FW&gt; display firewall seession table source inside 192.168.1.2<\/code><\/p>\n<p><code>icmp VPN:public --&gt;public 192.168.1.2:512[1.1.1.1:512]--&gt;10.0.0.2:2048<\/code><\/p>\n<p>\u9632\u706b\u5899\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u4ece 192.168.1.2 \u8f6c\u53d8\u6210\u4e86 1.1.1.1 \u4f46\u521a\u624d\u914d\u7f6e\u4e86\u4e00\u6761\u5bf9 192.168.1.0\/24 \u7f51\u6bb5\u53d1\u5f80 10.0.0.0\/24 \u7f51\u6bb5\u7684\u62a5\u6587\u4e0d\u505a\u6e90\u5730\u5740\u8f6c\u6362\u7684 NAT \u7b56\u7565\uff0c\u4e3a\u4ec0\u4e48\u6e90\u5730\u5740\u8fd8\u662f\u88ab\u8f6c\u6362\u4e86\uff1f<\/p>\n<p>\u6211\u4eec\u5148\u4f7f\u7528 <code>display nat-pollcy all<\/code>\u547d\u4ee4\u6765\u67e5\u770b\u548c\u786e\u8ba4\u4e0b\u6e90 NAT \u7b56\u7565\u547d\u4e2d\u60c5\u51b5<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2562800b4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757559429009-bac9ddfa-6dc6-4fd4-9485-e344b3f57b5e.png\" \/><\/p>\n<p>\u786e\u5b9e\u6ca1\u6709\u62a5\u6587\u547d\u4e2d\u6e90 NAT \u7b56\u7565<\/p>\n<p>\u63a5\u4e0b\u6765 \u8ba9\u6211\u4eec\u53d6\u6d88 NAT Server \u7684\u914d\u7f6e \u518d\u6b21\u4ece\u603b\u90e8 Server ping \u5206\u90e8\u7684 PC1 \u67e5\u770b\u6e90 NAT \u7b56\u7565\u7684\u547d\u4e2d\u60c5\u51b5\uff0c\u8fd9\u65f6\u4f60\u4f1a\u53d1\u73b0\uff0c\u6709\u62a5\u6587\u547d\u4e2d\u6e90 NAT \u7b56\u7565<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2564b6511.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757559495360-fdfbcc3d-2816-4075-bbd3-4684bbab4260.png\" \/><\/p>\n<p>\u5e55\u540e\u9ed1\u624b\u6b63\u662f NAT Server \u751f\u6210\u7684\u53cd\u5411 Server-map \u8868\u9879<\/p>\n<p><code>Nat Server Reverse  192.168.1.2[1.1.1.1]-&gt;any,Zone:---<\/code><\/p>\n<p>\u9632\u706b\u5899\u7684\u62a5\u6587\u5904\u7406\u6d41\u7a0b\u4e2d\uff0c\u53cd\u5411 Server-map \u8868\u662f\u6bd4\u6e90 NAT \u7b56\u7565\u4f18\u5148\u5339\u914d\u7684\uff0c\u62a5\u6587\u5339\u914d\u5230\u53cd\u5411 Server-map \u8868\u540e \u5c31\u4e0d\u4f1a\u518d\u5339\u914d\u6e90 NAT \u7b56\u7565\u4e86\uff0c\u6700\u7ec8\u751f\u6210\u7684\u7ed8\u753b\u8868\u4f9d\u7136\u6709\u4e00\u4e2a\u6e90\u5730\u5740\u8f6c\u6362\u7684\u4fe1\u606f\uff08\u53cd\u5411 Server-map \u8868\u4e2d\u7684\u6e90\u5730\u5740\u8f6c\u6362\u4fe1\u606f\uff09\u62a5\u6587\u5728\u8fdb\u5165 IPSec VPN \u96a7\u9053\u5c01\u88c5\u4e4b\u524d\uff0c\u8bbe\u5907\u8fd8\u662f\u4f1a\u6839\u636e\u4f1a\u8bdd\u8868\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u8f6c\u6362\u4e3a 1.1.1.1<\/p>\n<p>\u5728\u914d\u7f6e NAT Server \u65f6\u52a0\u4e0a no-reverse \u53c2\u6570 \u4e0d\u751f\u6210\u53cd\u5411 Server-map \u8868\u9879\u5c31\u53ef\u4ee5\u4e86<\/p>\n<p><code>[FW] nat server protocol tcp global 1.1.1.1 9980 inside 192.168.1.2 80 no-reverse<\/code><\/p>\n<p>no-reverse \u53c2\u6570\u4e0d\u4ec5\u9650\u4e8e\u8fd9\u4e2a\u573a\u666f\u4f7f\u7528<\/p>\n<h2>\u4e00\u5206\u4e3a\u4e8c \u6e90\u8fdb\u6e90\u56de<\/h2>\n<p>\u9632\u706b\u5899\u4f5c\u4e3a\u51fa\u53e3\u7f51\u5173\uff0c\u53cc\u51fa\u53e3\u3001\u53cc ISP \u63a5\u5165\u516c\u7f51\u65f6\uff0c\u914d\u7f6e NAT Server \u901a\u5e38\u9700\u8981\u4e00\u5206\u4e3a\u4e8c\uff0c \u8ba9\u4e00\u4e2a\u79c1\u7f51\u670d\u52a1\u5668\u5411\u4e24\u4e2a ISP \u53d1\u5e03\u4e24\u4e2a\u4e0d\u540c\u7684\u516c\u7f51\u5730\u5740\u4f9b\u8bbf\u95ee  <\/p>\n<p>\u4e00\u5206\u4e3a\u4e8c\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a<\/p>\n<p>\u7b2c\u4e00\u79cd\u662f\u5c06\u63a5\u5165\u4e0d\u540c ISP \u7684\u516c\u7f51\u63a5\u53e3\u89c4\u5212\u5728\u4e0d\u540c\u7684\u5b89\u5168\u533a\u57df\u4e2d\uff0c\u914d\u7f6e NAT Server \u65f6 \u5e26\u4e0a zone \u53c2\u6570\uff0c\u4f7f\u540c\u4e00\u4e2a\u670d\u52a1\u5668\u5411\u4e0d\u540c\u5b89\u5168\u533a\u57df\u53d1\u5e03\u4e0d\u540c\u7684\u516c\u7f51\u5730\u5740<\/p>\n<p><code>[FW]nat server zone untrust1 protocol tcp global 1.1.1.1 9980 inside 10.1.1.2 80<\/code><\/p>\n<p><code>[FW]nat server zone untrust2 protocol tcp global 2.2.2.2 9980 inside 10.1.1.2 80<\/code><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2566de44c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757560651267-451ff927-155c-426a-b036-0bd6564bf044.png\" \/><\/p>\n<p>\u7b2c\u4e8c\u79cd\u662f\u5c06\u63a5\u5165\u4e0d\u540c ISP \u7684\u516c\u7f51\u63a5\u53e3\u89c4\u5212\u5728\u540c\u4e00\u4e2a\u5b89\u5168\u533a\u57df\u4e2d\uff0c\u914d\u7f6e NAT Server \u65f6\u5e26\u4e0a no-reverse \u53c2\u6570 \u4f7f\u540c\u4e00\u4e2a\u670d\u52a1\u5668\u5411\u540c\u4e00\u4e2a\u5b89\u5168\u533a\u57df\u53d1\u5e03\u4e24\u4e2a\u4e0d\u540c\u7684\u516c\u7f51\u5730\u5740<\/p>\n<p><code>[FW]nat server protocol tcp global 1.1.1.1 9980 inside 10.1.1.2 80 no-reverse<\/code><\/p>\n<p><code>[FW]nat server protocol tcp global 2.2.2.2 9980 inside 10.1.1.2 80 no-reverse<\/code><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff256995fec.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757560664354-b2bd64ee-b14f-45f2-9529-1f1cc4bb6a12.png\" \/><\/p>\n<p>no-reverse \u53c2\u6570\u662f\u7528\u6765\u9664\u53bb\u53cd \u5411 Server-map \u8868\u9879\u81ea\u65ad\u51fa\u8def\u7684\u5417\uff0c\u8fd9\u91cc\u600e\u4e48\u53c8\u7528\u5230\u4e86\u5462   \u6211\u4eec\u6765\u770b\u4e0b\u4e0d\u5e26 no-reverse \u53c2\u6570\u76f4\u63a5\u914d\u7f6e\u4e0a\u9762\u4e24\u6761\u547d\u4ee4\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f \u7b54\u6848\u662f\u4e0d\u5e26 no-reverse \u53c2\u6570\u8fd9\u4e24\u6761\u547d\u4ee4\u538b\u6839\u5c31\u4e0d\u80fd\u540c\u65f6\u4e0b\u53d1\u3002  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff256e232e1.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757560807082-0c0aa1a8-18d1-4217-892b-ee4637dd7558.png\" \/><\/p>\n<p>\u5c1d\u8bd5\u9006\u5411\u601d\u8003\uff0c\u5047\u5982\u4e24\u6761\u547d\u4ee4\u80fd\u540c\u65f6\u4e0b\u53d1\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48<\/p>\n<p>\u5c06\u4e24\u6761\u547d\u4ee4\u5206\u522b\u653e\u5728\u4e24\u53f0\u9632\u706b\u5899\u4e0a\u914d\u7f6e \u7136\u540e\u67e5\u770b\u5404\u81ea\u751f\u6210\u7684 Server-map \u8868\u9879<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff257025207.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757560869563-79756da3-bb81-4364-ac98-b1463c6078ca.png\" \/><\/p>\n<p>\u4e00\u53f0\u9632\u706b\u5899\u4e0a\u7684\u53cd\u5411 Server-map \u8868\u9879\u662f\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740 10.1.1.2 \u8f6c\u6362\u4e3a 1.1.1.1 \u53e6\u4e00\u53f0\u9632\u706b\u5899\u4e0a\u7684\u53cd\u5411 Server-map \u8868\u9879\u662f\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u7531 10.1.1.2 \u8f6c\u6362\u4e3a 2.2.2.2 \u5982\u679c\u8fd9\u4e24\u4e2a\u53cd\u5411 Server-map \u8868\u9879\u540c\u65f6\u51fa\u73b0\u5728\u4e00\u53f0\u9632\u706b\u5899\u4e0a\u4f1a\u53d1\u751f\u4ec0\u4e48<\/p>\n<p>\u9632\u706b\u5899\u65e2\u53ef\u4ee5\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u7531 10.1.1.2 \u8f6c\u6362\u4e3a 1.1.1.1 \u53c8\u53ef\u4ee5\u8f6c\u6362\u4e3a 2.2.2.2 <\/p>\n<p>\u8fd9\u5c31\u662f\u4e24\u6761\u547d\u4ee4\u4e0d\u5e26 no-reverse \u53c2\u6570\u540c\u65f6\u4e0b\u53d1\u5e26\u6765\u7684\u95ee\u9898\uff0c\u5982\u679c\u914d\u7f6e\u65f6\u5e26\u4e0a no-reverse \u53c2\u6570 \u5c31\u4e0d\u4f1a\u751f\u6210\u53cd\u5411 Server-map \u8868\u9879\uff0c\u6ca1\u6709\u4e86\u53cd\u5411 Server-map \u8868\u9879 \u4e0a\u8ff0\u95ee\u9898\u4e5f\u5c31\u4e0d\u5b58\u5728\u4e86<\/p>\n<p>\u4e00\u5206\u4e3a\u4e8c\u8fd8\u4f1a\u5b58\u5728\u62a5\u6587\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c\u4f8b\u5982 \u516c\u7f51\u7528\u6237\u901a\u8fc7\u9632\u706b\u5899\u53d1\u5e03\u7ed9 ISP1 \u7684\u516c\u7f51\u5730\u5740 1.1.1.1 \u8bbf\u95ee\u670d\u52a1\u5668 \u670d\u52a1\u5668\u7684\u54cd\u5e94\u62a5\u6587\u5230\u8fbe\u9632\u706b\u5899\u540e\uff0c\u9632\u706b\u5899\u6839\u636e\u76ee\u7684\u5730\u5740\u67e5\u627e\u8def\u7531\u8868\uff0c\u53ef\u80fd\u4f1a\u5c06\u54cd\u5e94\u62a5\u6587\u7531 ISP2 \u53d1\u9001\u51fa\u53bb\uff0c\u8fd9\u6837\u5c31\u4f1a\u5bfc\u81f4\u8bbf\u95ee\u901f\u5ea6\u8fc7\u6162\u6216\u65e0\u6cd5\u8bbf\u95ee<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fd8\u9700\u8981\u5728\u9632\u706b\u5899\u4e0a\u589e\u52a0\u4e00\u4e9b\u914d\u7f6e\uff0c\u4fdd\u8bc1\u62a5\u6587\u7684\u6e90\u8fdb\u6e90\u56de \u5373\u8bf7\u6c42\u62a5\u6587\u4ece\u67d0\u6761\u8def\u5f84\u8fdb\u5165\uff0c\u54cd\u5e94\u62a5\u6587\u4f9d\u7136\u6cbf\u7740\u540c\u6837\u8def\u5f84\u8fd4\u56de<\/p>\n<p>USG9000 \u7cfb\u5217\u9632\u706b\u5899\u6e90\u8fdb\u6e90\u4f1a\u529f\u80fd\u662f\u901a\u8fc7\u5728\u516c\u7f51\u63a5\u53e3\u4e0b\u914d\u7f6e redirect-reverse \u547d\u4ee4\u6765\u5b9e\u73b0<\/p>\n<p>\u4f8b\u5982\u4e0a\u56fe\u63a5\u5165 IPS1 \u7684\u516c\u7f51\u63a5\u53e3 GE1\/0\/1 \u7684\u6e90\u8fdb\u6e90\u56de\u914d\u7f6e\u5982\u4e0b<\/p>\n<p><code>[FW]interface GigabitEthernet 1\/0\/1<\/code><\/p>\n<p><code>[FW-GigabitEthernet1\/0\/1]redirect-reverse next-hop 1.1.1.254<\/code><\/p>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u5982\u679c\u8bf7\u6c42\u62a5\u6587\u4ece GE1\/0\/1 \u8fdb\u5165\uff0c\u5219\u54cd\u5e94\u62a5\u6587\u4e5f\u5f3a\u5236\u4ece GE1\/0\/1 \u53d1\u51fa\uff0c\u800c\u4e0d\u518d\u662f\u901a\u8fc7\u67e5\u627e\u8def\u7531\u6765\u786e\u5b9a\u63a5\u53e3<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25725bb28.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757570345959-8bcc9a7e-3e37-4209-a622-3e3573cb7bce.png\" \/><\/p>\n<p>USG2000\/5000\/ 6000 \u7cfb\u5217\u9632\u706b\u5899\u6e90\u8fdb\u6e90\u56de\u529f\u80fd\u914d\u7f6e\u601d\u8def\u4e0e USG9000 \u7cfb\u5217\u76f8\u540c \u914d\u7f6e\u547d\u4ee4\u4e3a <\/p>\n<p><strong>reverse-route next-hop<\/strong> next-hop-address<\/p>\n<h2>\u865a\u5b9e\u53d8\u6362 \u5408\u4e8c\u4e3a\u4e00<\/h2>\n<blockquote>\n<p>\u53cc\u673a\u70ed\u5907<\/p>\n<p>\u5728\u53cc\u673a\u70ed\u5907\u7ec4\u7f51\u4e2d\uff0c\u4e24\u53f0\u9632\u706b\u5899\u5e76\u4e0d\u662f\u76f4\u63a5\u4f7f\u7528 GE0\/0\/1 \u63a5\u53e3\u7684\u5b9e IP \u5730\u5740\u4e0e\u516c\u7f51\u901a\u4fe1,\u800c\u662f\u5c06 GE0\/0\/1 \u63a5\u53e3\u5047\u5982\u4e00\u4e2a VRRP \u5907\u4efd\u7ec4\uff0c\u4f7f\u7528 VRRP \u5907\u4efd\u7ec4\u7684\u865a\u62df IP \u5730\u5740\u4e0e\u516c\u7f51\u901a\u4fe1\uff0c\u914d\u7f6e\u865a\u62df IP \u5730\u5740\u540c\u65f6,\u9632\u706b\u5899\u4f1a\u4e3a\u5176\u751f\u6210\u4e00\u4e2a\u865a MAC \u5730\u5740<\/p>\n<\/blockquote>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25751f01c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757570588954-de68cc60-b94e-4741-a5f3-9cc62f9f3e66.png\" \/><\/p>\n<p>\u865a\u5b9e\u5bf9 NAT Server \u7684\u5f71\u54cd<\/p>\n<p>\u5f53 NAT Server \u516c\u7f51\u5730\u5740\u4e0e\u516c\u7f51\u63a5\u53e3\u7684\u5730\u5740\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\u65f6\uff0c\u9632\u706b\u5899\u4f1a\u53d1\u9001 NAT Server \u516c\u7f51\u5730\u5740\u7684\u514d\u8d39 ARP \u8bf7\u6c42\u62a5\u6587  \u4f7f\u7528\u5982\u4e0b\u7ec4\u7f51\u8fdb\u884c\u6f14\u793a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff257996592.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757570713221-0bd213d4-ac2f-4512-9789-9e0715879930.png\" \/><\/p>\n<p>NAT Server \u7684\u914d\u7f6e\uff1a<\/p>\n<p><code>[FW]nat server protocol tcp galobal 1.1.1.1 9980 inside 10.1.1.2 80<\/code><\/p>\n<p>\u5728\u56fe\u793a\u5904\u6293\u5305\uff0c\u53ef\u4ee5\u770b\u5230\u9632\u706b\u5899\u53d1\u9001\u7684 NAT Server \u516c\u7f51\u5730\u5740\u7684\u514d\u8d39 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u62a5\u6587\u4e2d\u643a\u5e26\u7684 1.1.1.1 \u7684 MAC \u5730\u5740\u4e3a 0000-00e0-bb01\uff0c\u6b63\u662f\u516c\u7f51\u63a5\u53e3 GE0\/0\/1 \u7684 MAC \u5730\u5740<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff257bf0ffb.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757570833922-3d37ebfc-b086-4517-a162-89ec7328a0ff.png\" \/><\/p>\n<p>\u5728 eNSP \u4e0a\u6a21\u62df\u53cc\u673a\u70ed\u5907 \u5e76\u5728 FW1\uff08\u4e3b\u8bbe\u5907\uff09\u4e0a\u914d\u7f6e NAT Server<\/p>\n<p><code>[FW]nat server protocol tvp global 1.1.1.1 9980 inside 10.1.1..2 80<\/code><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff257f21b5c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757570893419-bd1ef0d0-537c-46c9-a53b-6e5104ebb4bb.png\" \/><\/p>\n<p>\u547d\u4ee4\u4e0b\u53d1 \u8bbe\u5907\u5c31\u6253\u5370\u5982\u4e0b\u7684 IP \u5730\u5740\u51b2\u7a81\u65e5\u5fd7<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">2014-05-11 10:02:22 FW1 %%01ARP\/4\/DUP_IPADDR(l): Receive an ARP packet with duplicate\nip address 1.1.1.1 from GigabitEthernet0\/0\/1, source MAC is 0000-003a-f701! <\/code><\/pre>\n<p>\u65e5\u5fd7\u4e2d\u663e\u793a\u51b2\u7a81\u6e90\u7684 MAC \u5730\u5740\u4e3a 0000-003a-f701\uff0c\u8fd9\u4e2a\u6b63\u662f FW2 \u7684 GE0\/0\/1 \u63a5\u53e3\u7684 MAC <\/p>\n<p>:::tips<br \/>\nFW1 \u4e0a\u914d\u7f6e\u4e86 NAT Server \u540e\uff0c\u7531\u4e8e\u516c\u7f51 \u5730\u5740\u4e3a 1.1.1.1 \u548c GE0\/0\/1 \u63a5\u53e3\u7684\u5730\u5740\uff081.1.1.2\/24)\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\uff0cFW1 \u4f1a\u53d1\u9001 1.1.1.1 \u7684\u514d\u8d39 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u62a5\u6587\u4e2d\u643a\u5e26\u7684 1.1.1.1 \u7684 MAC \u5730\u5740\u4e3a GE0\/0\/1 \u63a5\u53e3\u7684 MAC 0000-0006-1901 \u540c\u65f6\uff0c\u56e0\u4e3a FW1 \u548c FW2 \u5904\u4e8e\u53cc\u673a\u70ed\u5907\u72b6\u6001\uff0cFW1 \u4e0a NAT Server \u7684\u914d\u7f6e\u4f1a\u540c\u6b65\u5230 FW2 \u4e0a\uff0c\u800c FW2 GE0\/0\/1 \u63a5\u53e3\u7684\u5730\u5740\uff081.1.1.3\/24\uff09\u548c NAT Server \u516c\u7f51\u5730\u5740\u4e5f\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\uff0c\u8fd9\u6837 FW2 \u4e5f\u4f1a\u53d1\u9001 1.1.1.1 \u7684\u514d\u8d39 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u62a5\u6587\u4e2d\u643a\u5e26\u7684 1.1.1.1 \u7684 MAC \u5730\u5740\u4e3a GE0\/0\/1 \u63a5\u53e3\u7684 MAC 0000-003a-f701 \u4e8e\u662f \u540c\u4e00\u5e7f\u64ad\u57df\u4e2d\u4e24\u4e2a MAC \u5730\u5740\u5bf9\u5e94\u8fd9\u540c\u4e00\u4e2a IP \u5730\u5740 1.1.1.1 \u4ea7\u751f\u4e86 IP \u5730\u5740\u51b2\u7a81<\/p>\n<p>\u540c\u65f6,\u7531\u4e8e FW1 \u548c FW2 \u540c\u65f6\u53d1\u9001\u514d\u8d39 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u4e0a\u884c\u8bbe\u5907\u5b66\u4e60\u5230\u7684 1.1.1.1 \u7684 MAC \u4e5f\u4f1a\u5728 0000-0006-1901 \u548c 0000-003a-f701 \u4e4b\u95f4\u4e0d\u505c\u5207\u6362\uff0c\u5982\u4e0b\u56fe\u5c31\u662f Client \u4e0a\u67e5\u770b\u7684 ARP \u8868\u9879<\/p>\n<p>:::<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff258187964.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757571309274-9ab4b182-5cf4-4949-af36-5fd7ee04742f.png\" \/><\/p>\n<p>\u8fd9\u6837 \u4ece Client \u4e0a\u8bbf\u95ee 1.1.1.1 \u65f6\uff0cClient \u7684\u7f51\u5361\u4f1a\u65f6\u800c\u7528 0006 \uff08MAC \u5730\u5740\uff0c\u8fd9\u91cc\u7b80\u7565\u5230\u4e2d\u95f4\u90e8\u5206\uff09\u6765\u5c01\u88c5\u62a5\u6587\uff0c\u5219\u62a5\u6587\u4f1a\u88ab\u53d1\u5f80 FW1\uff08\u4e3b\u8bbe\u5907\uff09\u4e1a\u52a1\u8bbf\u95ee\u6b63\u5e38\uff0c\u5982\u679c\u7528 003a \u6765\u5c01\u88c5\u62a5\u6587\uff0c\u5219\u62a5\u6587\u4f1a\u88ab\u53d1\u5f80 FW2\uff08\u5907\u8bbe\u5907 \uff09\u7531\u4e8e FW2 \u4f5c\u4e3a\u5907\u8bbe\u5907\u65f6\u4e0a\u4e0d\u5904\u7406\u4e1a\u52a1\u7684\uff0c\u62a5\u6587\u5230\u8fbe FW2 \u540e\u5c31\u4f1a\u88ab\u4e22\u5f03\uff0c\u4e8e\u662f\u5c31\u4f1a\u51fa\u73b0\u4e1a\u52a1\u65f6\u901a\u65f6\u4e0d\u901a\u7684\u60c5\u51b5<\/p>\n<p>\u5728\u914d\u7f6e\u547d\u4ee4\u4e2d\u52a0\u4e0a vrrp \u5173\u952e\u5b57\u5c31\u80fd\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898 \u6309\u5982\u4e0b\u547d\u4ee4\u91cd\u65b0\u914d\u7f6e\uff1a<\/p>\n<p><code>[FW1]nat server protocol tcp global 1.1.1.1 9980 inside 10.1.1.2 80 vrrp 1<\/code><\/p>\n<p>\u8bbe\u5907\u4e0a\u4e0d\u518d\u6253\u5370 IP \u5730\u5740\u51b2\u7a81\u65e5\u5fd7\u4e86,\u5728\u9632\u706b\u5899\u548c\u4e0a\u884c\u4ea4\u6362\u673a\u4e4b\u95f4\u6293\u5305\u6211\u4eec\u4f1a\u53d1\u73b0,\u53ea\u6709\u4e3b\u7528\u9632\u706b\u5899\u4f1a\u53d1\u9001\u514d\u8d39 ARP \u62a5\u6587\uff0c\u4e14\u62a5\u6587\u4e2d\u643a\u5e26\u7684 1.1.1.1 \u7684 MAC \u5730\u5740\u53d8\u6210\u4e86 0000-5e00-0101 VRRP \u5907\u4efd\u7ec4 1 \u7684\u865a MAC \u5730\u5740 Client \u8bbf\u95ee 1.1.1.1 \u65f6\uff0c\u7f51\u5361\u4f1a\u4f7f\u7528 0000-5e00-0101 \u6765\u5c01\u88c5\u62a5\u6587\uff0c\u8fd9\u6837\u5c31\u80fd\u4fdd\u8bc1\u62a5\u6587\u6c38\u8fdc\u90fd\u662f\u5411\u4e3b\u7528\u8bbe\u5907\u8f6c\u53d1\u4e86\uff0c\u662f\u4e3a\u865a\u5b9e\u53d8\u6362\u4e4b\u95f4\uff0c\u5408\u4e8c\u4e3a\u4e00<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2583918a0.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757571988720-44a5dd47-6b60-42a6-bbc9-9a66e3fca14c.png\" \/><\/p>\n<h1>\u53cc\u5411 NAT<\/h1>\n<p>\u5982\u679c\u9700\u8981\u540c\u65f6\u6539\u53d8\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\uff0c\u5c31\u53ef\u4ee5\u914d\u7f6e\u201d\u6e90 NAT|NAT server\u201c\u3002\u534e\u4e3a\u9632\u706b\u5899\u79f0\u6b64\u7c7b\u914d\u7f6e\u4e3a\u53cc\u5411 NAT\uff0c\u8fd9\u91cc\u8981\u6ce8\u610f\uff0c\u53cc\u5411 NAT \u4e0d\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u529f\u80fd\uff0c\u4ed6\u4ec5\u4ec5\u662f\u6e90 NAT \u548c NAT Server \u7684\u7ec4\u5408\uff0c\u7ec4\u5408\u7684\u542b\u4e49\u662f\u9488\u5bf9\u540c\u4e00\u6761\u6d41\uff08\u4f8b\u5982\u5916\u7f51\u4e3b\u673a\u8bbf\u95ee\u5185\u7f51\u670d\u52a1\u5668\u7684\u6d41\u91cf \uff09\u5728\u5176\u7ecf\u8fc7\u9632\u706b\u5899\u65f6\u540c\u65f6\u8f6c\u6362\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\uff0c<\/p>\n<p>:::tips<br \/>\n\u5982\u679c\u7406\u89e3\u6210<\/p>\n<p>\u201d\u9632\u706b\u5899\u540c\u65f6\u914d\u7f6e\u4e86\u6e90 NAT \u548c NAT Server \u5c31\u662f\u53cc\u5411 NAT\u201c<\/p>\n<p>\u662f\u9519\u8bef\u7684<\/p>\n<p>:::<\/p>\n<p>\u56e0\u4e3a\u6e90 NAT \u548c NAT Server \u53ef\u80fd\u662f\u4e3a\u4e0d\u540c\u6d41\u914d\u7f6e\u7684<\/p>\n<p>\u4e4b\u524d\u4ecb\u7ecd\u6e90 NAT \u529f\u80fd\u65f6\uff0c\u90fd\u662f\u6309\u7167\u5185\u7f51\u7528\u6237\u8bbf\u95ee\u5916\u7f51\u8d44\u6e90\u7684\u601d\u8def\u8fdb\u884c\u7ec4\u7f51\u8bbe\u8ba1\u548c\u9a8c\u8bc1\u4e8c\u4ee3\uff0c\u5b9e\u9645\u4e0a\uff0c\u6e90 NAT \u8fd8\u53ef\u4ee5\u6839\u636e\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u6240\u5728\u7684\u5b89\u5168\u533a\u57df\u8fdb\u884c\u5206\u7c7b<\/p>\n<h2>\u57df\u95f4 NAT<\/h2>\n<p>\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u5c5e\u4e8e\u4e0d\u540c\u7684\u5b89\u5168\u533a\u57df\uff0c\u6309\u7167\u8f6c\u6362\u62a5\u6587\u7684\u65b9\u5411 \u53c8\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u4e24\u7c7b\uff1a<\/p>\n<p>Nat Inbound\uff08\u5916\u7f51\u8bbf\u95ee\u5185\u7f51\uff09\uff1a<\/p>\n<p>\u62a5\u6587\u7531\u4f4e\u5b89\u5168\u7ea7\u522b\u7684\u5b89\u5168\u533a\u57df\u5411\u9ad8\u5b89\u5168\u533a\u57df\u65b9\u5411\u4f20\u8f93\u65f6\uff0c\u57fa\u4e8e\u6e90\u5730\u5740\u8fdb\u884c\u7684\u8f6c\u6362\uff0c\u4e00\u822c\u6765\u8bf4 NAT inbound \u90fd\u4f1a\u548c NAT Server \u914d\u5408\u4f7f\u7528<\/p>\n<p>NAT Outbound\uff08\u5185\u7f51\u8bbf\u95ee\u5916\u7f51\uff09<\/p>\n<p>\u62a5\u6587\u7531\u9ad8\u5b89\u5168\u7ea7\u522b\u7684\u5b89\u5168\u5176\u4f59\u5411\u4f4e\u5b89\u5168\u7ea7\u522b\u7684\u5b89\u5168\u533a\u57df\u65b9\u5411\u4f20\u8f93\u65f6\uff0c\u57fa\u4e8e\u6e90\u5730\u5740\u8fdb\u884c\u7684\u8f6c\u6362\uff0c\u4e4b\u524d\u4ecb\u7ecd\u7684\u201c\u5185\u7f51\u7528\u6237\u8bbf\u95ee\u5916\u7f51\u8d44\u6e90\u201d\u573a\u666f\u5927\u591a\u4f7f\u7528 NAT Outbound<\/p>\n<h2>\u57df\u5185 NAT<\/h2>\n<p>\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u5c5e\u4e8e\u76f8\u540c\u7684\u5b89\u5168\u533a\u57df\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u57df\u5185 NAT \u90fd\u4f1a\u548c NAT Server \u914d\u5408\u4f7f\u7528\uff0c\u5355\u72ec\u914d\u7f6e\u57df\u5185 NAT \u60c5\u51b5\u5c11\u89c1<\/p>\n<p>\u5f53\u57df\u95f4 NAT \u6216\u57df\u5185 NAT \u548c NAT Server \u4e00\u8d77\u914d\u5408\u4f7f\u7528\u65f6\uff0c\u5c31\u5b9e\u73b0\u4e86\u53cc\u5411 NAT\uff0c\u5f53\u7136\uff0c\u4e0a\u8ff0\u5185\u5bb9\u7684\u4e00\u4e2a\u5927\u524d\u63d0\u5c31\u662f \uff1a\u5408\u7406\u8bbe\u7f6e\u5b89\u5168\u533a\u57df\u7684\u7ea7\u522b\u5e76\u89c4\u5212\u7f51\u7edc \u5185\u7f51\u8bbe\u5907\u5c5e\u4e8e Trust \u57df\uff08\u9ad8\u7ea7\u522b\uff09\u5185\u7f51\u670d\u52a1\u5668\u5c5e\u4e8e DMZ \u57df\uff08\u4e2d\u7ea7\u522b\uff09\u5916\u7f51\u8bbe\u5907\u5c5e\u4e8e Untrust\uff08\u4f4e\u7ea7\u522b\uff09<\/p>\n<p>\u53cc\u5411 NAT \u4ece\u6280\u672f\u548c\u5b9e\u73b0\u539f\u7406\u4e0a\u8bb2\u65e0\u7279\u522b\u4e4b\u5904\uff0c\u4f46\u662f\u4ed6\u548c\u5e94\u7528\u573a\u666f\u6709\u7740\u5f3a\u76f8\u5173\u6027\uff0c\u7a76\u7adf\u4ec0\u4e48\u65f6\u5019\u9700\u8981\u914d\u7f6e\u53cc\u5411 NAT <\/p>\n<h2>NAT Inbound+NAT Server<\/h2>\n<p>\u4e0b\u4e3a\u5e38\u89c1\u573a\u666f\uff1a<\/p>\n<p>\u5916\u7f51 PC \u8bbf\u95ee\u5185\u7f51\u670d\u52a1\u5668\uff0c\u9632\u706b\u5899\u505a\u670d\u52a1\u5668\u7f51\u5173\uff0c\u8fd9\u65f6\u4e00\u822c\u4f1a\u7528 NAT Server\uff0c\u4f46\u73b0\u5728\u8981\u8bb2\u5982\u4f55\u5728\u8fd9\u4e2a\u573a\u666f\u4e2d\u5e94\u7528\u53cc\u5411 NAT \u4ee5\u53ca\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u505a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25862c52e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757572711913-9769b069-81b4-49ae-b435-8246f21fbff7.png\" \/><\/p>\n<p>Server \u4ee5\u516c\u7f51 IP \u5bf9\u5916\u63d0\u4f9b\u670d\u52a1,\u9632\u706b\u5899\u4e0a\u914d\u7f6e NAT Server\uff0c\u540c\u65f6\u9632\u706b\u5899\u4e0a\u914d\u7f6e NAT Inbound  \u4ee4 PC \u4ee5\u79c1\u7f51 IP \u8bbf\u95ee Server<\/p>\n<p><strong>\u914d\u7f6e NAT Inbound+NAT Server<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat address-group 1 10.1.1.20 10.1.1.25 \/\/\u5730\u5740\u6c60\u4e2d\u7684 IP \u4e3a\u79c1\u7f51 IP \uff0c\u4e14\u548c server \u7684\u79c1\u7f51 IP \u540c\u7f51\u6bb5\nnat server 0 global 210.1.1.15 inside 10.1.1.3\n#\nnat-policy interzone dmz untrust inbound\npolicy 1\n action source-nat\n policy destination 10.1.1.3 0 \/\/\u7531\u4e8e\u9632\u706b\u5899\u5148\u505a NAT Server \u8f6c\u6362\uff0c\u518d\u505a\u6e90 NAT \u8f6c\u6362\uff0c\u6240\u4ee5\u6b64\u5904\u7684\u76ee\u7684IP \u662f NAT Server \u8f6c\u6362\u540e\u7684 IP\n address-group<\/code><\/pre>\n<p>\u8fd9\u91cc NAT Server \u7684\u914d\u7f6e\u548c\u4ee5\u524d\u89c1\u8fc7\u7684\u7c7b\u4f3c\uff0c\u4f46\u662f\u6e90 NAT \u914d\u7f6e\u548c\u4ee5\u524d\u89c1\u8fc7\u7684\u4e0d\u4e00\u6837\uff0c\u4ee5\u524d\u5730\u5740\u6c60\u4e2d\u914d\u7f6e\u7684\u90fd\u662f\u516c\u7f51\u5730\u5740\u8fd9\u6b21\u914d\u7f6e\u7684\u662f\u79c1\u7f51\u5730\u5740<\/p>\n<p>\u901a\u8fc7\u4e0b\u56fe\u770b\u62a5\u6587\u5730\u5740\u8f6c\u6362\u8fc7\u7a0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25897dc1b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757572879427-c3845c60-725a-4645-9b77-dd46c12f59b7.png\" \/><\/p>\n<p>PC \u8bbf\u95ee Server \u7684\u6d41\u91cf\u7ecf\u8fc7\u9632\u706b\u5899\u65f6\uff0c\u76ee\u7684\u5730\u5740\uff08server \u7684\u516c\u7f51\u5730\u5740\uff09\u901a\u8fc7 NAT Server \u8f6c\u6362\u4e3a\u79c1\u7f51\u5730\u5740\uff0c\u6e90\u5730\u5740\uff08PC \u7684\u516c\u7f51\u5730\u5740\uff09\u901a\u8fc7 NAT Inbound \u4e5f\u8f6c\u6362\u4e3a\u79c1\u7f51\u5730\u5740\uff0c\u4e14\u548c Server \u7684\u79c1\u7f51\u5730\u5740\u540c\u7f51\u6bb5\uff0c\u8fd9\u6837\u5c31\u540c\u65f6\u8f6c\u6362\u4e86\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\uff0c\u5b8c\u6210\u53cc\u5411\u8f6c\u6362<\/p>\n<p>\u4ece PC \u4e0a ping server \u901a\u8fc7\u9632\u706b\u5899\u4e0a\u7684\u4f1a\u8bdd\u8868\u548c Server-map \u8868\u53ef\u4ee5\u66f4\u6e05\u695a\u7684\u770b\u5230\u53cc\u5411 NAT \u8f6c\u6362\uff1aPC \u7684\u5730\u5740\u901a\u8fc7 NAT Inbound \u8f6c\u6362\u4e3a\u79c1\u7f51\u5730\u5740\uff0c\u800c Server \u7684\u5730\u5740\u4e5f\u6309\u7167 NAT Server \u7684 Server-map \u8868\u8f6c\u6362\u4e3a\u79c1\u7f51\u5730\u5740<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff258bdc525.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757573224733-2bce460d-7447-4fa1-9c30-710602a3d62c.png\" \/><\/p>\n<p>\u90a3\u4e48\u4e3a\u4ec0\u4e48\u8981\u914d\u7f6e NAT Inbound \u5462\uff0c\u5982\u679c\u4e0d\u914d\u7f6e NAT Ibound \u884c\u4e0d\u884c\uff1f<\/p>\n<p>\u4e0d\u914d\u7f6e NAT Inbound \u5e76\u4e0d\u5f71\u54cd PC \u8bbf\u95ee Server\uff0c\u90a3\u914d\u7f6e NAT Inbound \u6709\u4ec0\u4e48\u597d\u5904\uff1f\u597d\u5904\u5c31\u662f Server \u4e0a\u53ef\u4ee5\u4e0d\u7528\u8bbe\u7f6e\u7f51\u5173\uff0c\u5f53\u7136 \u524d\u63d0\u6761\u4ef6\u662f\u5730\u5740\u6c60\u9700\u8981\u548c Server \u7684\u79c1\u7f51\u5730\u5740\u540c\u7f51\u6bb5\uff0c\u5f53 Server \u56de\u5e94 PC \u65f6\uff0cServer \u53d1\u73b0\u81ea\u5df1\u7684\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u8fd9\u65f6 server \u5c31\u4e0d\u4f1a\u53bb\u67e5\u5f55\u97f3\uff0c\u800c\u662f\u53d1\u9001 ARP \u5e7f\u64ad\u62a5\u6587\u8be2\u95ee\u76ee\u7684\u5730\u5740\u5bf9\u5e94\u7684 MAC \u5730\u5740\uff0c\u7531\u4e8e\u76ee\u7684\u5730\u5740\u662f\u5730\u5740\u6c60\u4e2d\u7684\u5730\u5740\uff0c\u6240\u4ee5\u4ed6\u6ca1\u6709\u5bf9\u5e94\u7684 MAC \u5730\u5740\uff0c\u4f46\u662f\u9632\u706b\u5899\u6b64\u65f6\u5c06\u81ea\u5df1\u4e0e Server \u76f4\u8fde\u63a5\u53e3\u7684 MAC \u5730\u5740\u53d1\u7ed9 Server\uff0c\u544a\u8bc9 Server \u628a\u56de\u5e94\u62a5\u6587\u7ed9\u6211\u5427\uff0c\u6240\u4ee5\u56de\u5e94\u62a5\u6587\u5c06\u8f6c\u53d1\u5230\u9632\u706b\u5899\u4e0a\uff0c\u7531\u4e8e Server \u56de\u5e94\u62a5\u6587\u662f\u901a\u8fc7\u4e8c\u5c42\u8f6c\u53d1\uff0c\u800c\u4e0d\u662f\u4e09\u5c42\u8f6c\u53d1\uff0c\u6240\u4ee5 server \u4e0a\u4e0d\u7528\u914d\u7f6e\u7f51\u5173<\/p>\n<blockquote>\n<p>\u5c11\u91cf\u673a\u5668\u53ef\u80fd\u611f\u89c9\u4e0d\u592a \u51fa\u6765\uff0c\u6570\u91cf\u591a\u4e86\u5982\u679c\u914d\u7f6e\u7f51\u5173\u5c31\u9700\u8981\u5927\u91cf\u66f4\u6539\uff0c\u6b64\u65f6\u5c31\u4f1a\u53d1\u73b0 NAT Inbound \u7684\u65b9\u4fbf\u4e86<\/p>\n<\/blockquote>\n<p>\u5982\u679c\u5bf9\u4e4b\u524d\u7684\u7ec4\u7f51\u505a\u6539\u53d8\uff0c\u589e\u52a0\u4e00\u4e2a trust \u533a\u57df\uff0c\u8be5\u57df\u5185\u7684 PC2 \u8981\u8bbf\u95ee Server \u65f6\uff0c\u6211\u4eec\u8be5\u5982\u4f55\u914d\u7f6e\u53cc\u5411 NAT \u5462\uff1f\u548c\u4e4b\u524d\u6bd4\uff0c\u62a5\u6587\u7684\u6e90\u5730\u5740\u6240\u5728\u5b89\u5168\u57df\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u539f\u6765\u662f Untrust \u57df\u5230 DMZ \u57df\u7684\u62a5\u6587\uff08Inbound \u65b9\u5411\uff09\uff0c\u73b0\u5728\u53d8\u6210\u4e86 Trust \u57df\u5230 DMZ \u57df\u7684\u62a5\u6587\uff08Outbound \u65b9\u5411\uff09\u6240\u4ee5\u53cc\u5411 NAT \u4e5f\u53d8\u5316\u4e3a NAT Outbound+NAT Server\uff0c\u5b83\u7684\u8f6c\u6362\u539f\u7406\u548c NAT Inbound+NAT Server \u5b8c\u5168\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u6e90 NAT \u7684\u8f6c\u6362\u65b9\u5411\u53d1\u751f\u4e86\u6539\u53d8<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff258e5b042.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757573688921-57a8b8b6-e883-4686-ad2b-0ffd5e194143.png\" \/><\/p>\n<h2>\u57df\u5185 NAT+NAT Server<\/h2>\n<p>\u57df\u5185 NAT \u7684\u573a\u666f\u591a\u89c1\u5c0f\u578b\u7f51\u7edc\uff0c\u5982\u4e0b\u56fe\u70b9 PC \u548c Server \u901a\u8fc7\u4ea4\u6362\u673a\u4e0e\u9632\u706b\u5899\u76f8\u8fde\uff0c\u7ba1\u7406\u5458\u5728\u89c4\u5212\u7f51\u7edc\u65f6\u201d\u5077\u61d2\u201c\uff0c\u5c06 PC \u548c Server \u7f6e\u4e8e\u540c\u4e00\u5b89\u5168\u533a\u57df\uff0c\u5e76\u5206\u914d\u76f8\u540c\u7f51\u6bb5\u5730\u5740<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25919843b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757576857428-c83bb859-4402-4d6a-be12-d018fd9d7bf1.png\" \/><\/p>\n<p>\u6b64\u65f6 \u5982\u679c\u5e0c\u671b PC \u50cf\u5916\u7f51\u7528\u6237\u4e00\u6837\u901a\u8fc7\u516c\u7f51\u5730\u5740\u8bbf\u95ee Server\uff0c\u5c31\u8981\u5728\u9632\u706b\u5899\u4e0a\u914d\u7f6e NAT Server\uff0c\u5982\u679c\u53ea\u914d\u7f6e\u4e86 NAT Server \u62a5\u6587\u5230\u8fbe\u9632\u706b\u5899\u540e\u8f6c\u6362\u76ee\u7684\u5730\u5740\uff0cServer \u56de\u5e94\u62a5\u6587\u65f6\u53d1\u73b0\u81ea\u5df1\u90fd\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u8fd9\u5c31\u548c\u4e4b\u524d\u5206\u6790\u7684\u7ec4\u7f51\u662f\u540c\u6837\u60c5\u51b5\u4e86\uff0cServer \u901a\u8fc7\u4e8c\u5c42\u8f6c\u53d1\u62a5\u6587\uff0c\u56de\u5e94\u62a5\u6587\u7ecf\u4ea4\u6362\u673a\u76f4\u63a5\u8f6c\u53d1\u5230 PC\uff0c\u4e0d\u4f1a\u7ecf\u8fc7\u9632\u706b\u5899\u8f6c\u53d1<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff259448e91.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757577047192-849972b3-a988-41cc-97fe-666d38d16d1e.png\" \/><\/p>\n<p>\u5982\u679c\u5e0c\u671b\u63d0\u9ad8\u5185\u7f51\u7684\u5b89\u5168\u6027\uff0c\u8ba9\u56de\u5e94\u62a5\u6587\u4e5f\u7ecf\u8fc7\u9632\u706b\u5899\uff0c\u5c31\u9700\u8981\u914d\u7f6e\u57df\u5185 NAT\uff0c\u4e0b\u9762\u5217\u51fa\u4e86\u5173\u952e\u7684\u914d\u7f6e\u6b65\u9aa4\uff0c\u5730\u5740\u6c60\u4e2d\u7684\u5730\u5740\u53ef\u4ee5\u4e0a\u516c\u7f51\u5730\u5740\uff0c\u4e5f\u53ef\u4ee5\u662f\u79c1\u7f51\u5730\u5740\uff0c\u5173\u952e\u662f\u4e0d\u80fd\u548c Server \u7684\u79c1\u7f51\u5730\u5740\u4e5f\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u57df\u5185 NAT \u7684\u914d\u7f6e\u548c\u9047\u89c1 NAT \u51e0\u4e4e\u5b8c\u5168\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u7275\u7740\u5e94\u7528\u5728\u57df\u5185\u505a NAT \u8f6c\u6362\uff0c\u540e\u8005\u5e94\u7528\u5728\u57df\u95f4\u505a NAT \u8f6c\u6362<\/p>\n<p><strong>\u914d\u7f6e\u57df\u5185 NAT+NAT Server<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nnat address-group 1 210.1.1.20 210.1.1.20\nnat server 0 global 210.1.1.15 inside 10.1.1.3\n#\nnat-policy zone trust \/\/\u6ce8\u610f\u662f\u57df\u5185 NAT\npolicy 1\n action source-nat\n policy destination 10.1.1.3 0 \/\/\u6b64\u5904\u7684\u76ee\u7684 IP \u662f NAT Server \u8f6c\u6362\u540e\u7684IP\n address-group 1 <\/code><\/pre>\n<p>\u4ece PC \u4e0a ping Server \u901a\u8fc7\u9632\u706b\u5899\u4e0a\u7684\u4f1a\u8bdd\u8868\u548c Server-map \u8868\u53ef\u4ee5\u770b\u5230 PC \u7684\u5730\u5740\u901a\u8fc7\u57df\u5185 NAT \u8f6c\u6362\u4e3a\u516c\u7f51\u5730\u5740\uff0cServer \u7684\u5730\u5740\u6309\u7167 NAT Server \u7684 Server-map \u8868\u8f6c\u6362\u4e3a\u79c1\u7f51\u5730\u5740\uff0c\u53cc\u5411 NAT \u8f6c\u6362\u540e\uff0cServer \u56de\u590d\u62a5\u6587\u65f6\u53d1\u73b0\u81ea\u5df1\u7684\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u67e5\u8def\u7531\uff0c\u901a\u8fc7\u4e09\u5c42\u8f6c\u53d1\u62a5\u6587\uff0c\u6240\u4ee5\u56de\u5e94\u62a5\u6587\u9700\u8981\u9632\u706b\u5899\u8f6c\u53d1<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2596dbc71.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757577271729-a4d71e4f-2282-47e6-83e3-021afd16fc0b.png\" \/><\/p>\n<p>\u5982\u679c\u5728\u4e0a\u9762\u7ec4\u7f51\u7684\u57fa\u7840\u4e0a\u505a\u53d8\u5316\uff0c\u5c06 PC \u548c Server \u5206\u5f00\uff0c\u901a\u8fc7\u4e0d\u540c\u7684\u63a5\u53e3\u548c\u9632\u706b\u5899\u76f8\u8fde\uff0c\u6b64\u65f6\u5e94\u8be5\u5982\u4f55\u914d\u7f6e\u53cc\u5411 NAT \u5462\uff1f \u5728\u8fd9\u4e2a\u7ec4\u7f51\u4e2d\u6240\u6709\u62a5\u6587\u90fd\u9700\u8981\u7ecf\u8fc7\u9632\u706b\u5899\u8f6c\u53d1\uff0c\u53ea\u914d\u7f6e NAT Server \u662f\u53ef\u4ee5\u7684\uff0c\u5982\u679c\u8981\u914d\u7f6e\u53cc\u5411 NAT \u90a3\u4e48\u5c31\u662f\u57df\u5185 NAT+NAT Server \u5177\u4f53\u914d\u7f6e\u65b9\u6cd5\u548c\u4e0a\u9762\u7c7b\u4f3c<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff259a42cc8.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757577384296-3a52edb6-99b1-40a7-bf3b-3e439bfb7d08.png\" \/><\/p>\n<p>\u53cc\u5411 NAT \u539f\u7406\u5e76\u4e0d\u590d\u6742\uff0c\u5173\u952e\u662f NAT \u8f6c\u6362\u7684\u65b9\u5411\u548c\u8f6c\u6362\u540e\u5730\u5740\u7684\u4f5c\u7528\uff0c\u800c\u4e0d\u8981\u7ea0\u7ed3\u4e8e\u8f6c\u6362\u540e\u662f\u516c\u7f51\u5730\u5740\u8fd8\u662f\u79c1\u7f51\u5730\u5740\uff0c\u53cc\u5411 NAT \u5e76\u4e0d\u662f\u5fc5\u914d\u7684\u529f\u80fd\uff0c\u4f46\u662f\u7075\u6d3b\u5e94\u7528\u53cc\u5411 NAT \u53ef\u4ee5\u8d77\u5230\u7b80\u5316\u7f51\u7edc\u914d\u7f6e\uff0c\u65b9\u4fbf\u7f51\u7edc\u7ba1\u7406\u70b9\u4f5c\u7528<\/p>\n<h1>\u9632\u706b\u5899\u5982\u4f55\u5efa\u7acb\u4f1a\u8bdd<\/h1>\n<p>\u5982\u4eca\u7684\u6570\u636e\u901a\u4fe1\u7f51\u7edc\u5df2\u7ecf\u662f\u5168 IP \u65f6\u4ee3\uff0c\u9632\u706b\u5899\u5904\u7406\u7684\u4e5f\u90fd\u662f IP \u62a5\u6587\u3002\u6839\u636e TCP\/IP \u534f\u65cf\u6a21\u578b\uff0c\u5728IP \u534f\u8bae\u4e2d\uff0c\u6211\u4eec\u5e38\u7528\u7684\u534f\u8bae\u6709 TCP\u3001UDP \u548c ICMP \u534f\u8bae\u3002\u90a3\u4e48\u4e0b\u9762\u6211\u4eec\u5c31\u522b\u6765\u770b\u4e00\u4e0b\uff0c\u5bf9\u4e8e TCP\u3001UDP \u4ee5\u53ca ICMP \u534f\u8bae\u7684\u62a5\u6587\uff0c\u9632\u706b\u5899\u662f\u5982\u4f55\u5efa\u7acb\u4f1a\u8bdd\u7684  <\/p>\n<h2>TCP<\/h2>\n<p>\u5efa\u7acb\u4e00\u4e2a TCP \u8fde\u63a5,\u901a\u4fe1\u53cc\u65b9\u9700\u8981\u4e09\u6b21\u63e1\u624b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff259d1983e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757577872330-a7494646-11c4-4ba2-9801-51773e353dc6.png\" \/><\/p>\n<p>\u5224\u65ad\u4e00\u4e2a TCP \u8fde\u63a5\u70b9\u4e3b\u8981\u6807\u5fd7\u5c31\u662f SYN \u62a5\u6587\uff0c\u6211\u4eec\u4e5f\u7f62 SYN \u62a5\u6587\u79f0\u4e3a TCP \u8fde\u63a5\u7684\u9996\u5305,\u5bf9\u4e8e TCP \u534f\u8bae\uff0c\u9632\u706b\u5899\u53ea\u6709\u6536\u5230 SYN \u62a5\u6587 \u5e76\u4e14 SYN \u62a5\u6587\u901a\u8fc7\u4e86\u5305\u62ec\u5b89\u5168\u7b56\u7565\u5728\u5185\u7684\u5404\u9879\u5b89\u5168\u673a\u5236\u68c0\u67e5\u540e\uff0c\u624d\u4f1a\u5efa\u7acb\u4f1a\u8bdd\uff0c\u540e\u7eed\u7684 TCP \u62a5\u6587\u5339\u914d\u4f1a\u8bdd\u76f4\u63a5\u8f6c\u53d1\uff0c\u5982\u679c\u9632\u706b\u5899\u6ca1\u6709\u6536\u5230 SYN \u62a5\u6587\uff0c\u53ea\u6536\u5230 SYN+ACK \u6216 ACK \u7b49\u540e\u7eed\u62a5\u6587\uff0c\u662f\u4e0d\u4f1a\u521b\u5efa\u4f1a\u8bdd\u70b9\uff0c\u5e76\u4e14\u4f1a\u5c06\u8fd9\u4e9b\u62a5\u6587\u4e22\u5f03\u3002<\/p>\n<p>\u4e0b\u9762\u5728 eNSP \u4e0a\u5728\u9632\u706b\u5899\u4e0a\u6a21\u62df\u4e00\u4e2a\u5178\u578b\u70b9 TCP \u534f\u8bae\u7684\u4f1a\u8bdd\uff1aHTTP \u4f1a\u8bdd\uff0c\u7f51\u7edc\u62d3\u6251\u5982 \u4e0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff259fb830d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757578035539-4529ee34-8fed-46f4-bf8c-bee4115cd45b.png\" \/><\/p>\n<p>PC \u8bbf\u95ee Web \u670d\u52a1\u5668\uff0c\u7136\u540e\u5728\u9632\u706b\u5899\u4e0a\u4f7f\u7528 <strong>display firewall session tablle verbose <\/strong>\u547d\u4ee4\u53ef\u4ee5\u770b\u5230\u4f1a\u8bdd\u6b63\u5e38\u5efa\u7acb\uff0c\u8fd9\u91cc\u4f7f\u7528\u4e86 verbose \u53c2\u6570\uff0c\u53ef\u4ee5\u770b\u5230\u4f1a\u8bdd\u66f4\u591a\u4fe1\u606f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25a292ed3.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757578132897-906b2bc8-cd98-4e77-bee8-2984008b75eb.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25a594764.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757578207770-0a4b9dea-4c95-4adb-8b3f-0ab3de4c808a.png\" \/><\/p>\n<p>\u4f1a\u8bdd\u4e2d\u201c&lt;&#8211;\u201d\u548c\u201c&#8211;&gt;\u201d\u8fd9\u4e24\u4e2a\u65b9\u5411\u4e0a\u7684\u62a5\u6587\u7edf\u8ba1\u4fe1\u606f\u975e\u5e38\u91cd\u8981\uff0c \u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9a\u4f4d\u7f51\u7edc\u6545\u969c\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u67e5\u770b\u4f1a\u8bdd\u65f6\u53d1\u73b0\u53ea\u6709\u201c&#8211;&gt;\u201d\u65b9\u5411\u6709\u62a5\u6587\u7684\u7edf \u8ba1\u4fe1\u606f\uff0c\u201c&lt;&#8211;\u201d\u65b9\u5411\u4e0a\u7684\u7edf\u8ba1\u4fe1\u606f\u90fd\u662f 0\uff0c\u90a3\u5c31\u8bf4\u660e PC \u53d1\u5f80 Web \u670d\u52a1\u5668\u7684\u62a5\u6587\u987a\u5229\u901a\u8fc7\u4e86 \u9632\u706b\u5899\uff0c\u800c Web \u670d\u52a1\u5668\u56de\u5e94\u7ed9 PC \u7684\u62a5\u6587\u6ca1\u6709\u901a\u8fc7\u9632\u706b\u5899\uff0c\u53cc\u65b9\u7684\u901a\u4fe1\u662f\u4e0d\u6b63\u5e38\u7684\u3002\u6709\u53ef\u80fd \u662f\u9632\u706b\u5899\u4e22\u5f03\u4e86 Web \u670d\u52a1\u5668\u56de\u5e94\u7ed9 PC \u7684\u62a5\u6587\u3001\u6216\u8005\u662f\u9632\u706b\u5899\u4e0e Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u51fa \u73b0\u6545\u969c\u3001\u6216\u8005\u662f Web \u670d\u52a1\u5668\u672c\u8eab\u51fa\u73b0\u6545\u969c\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u7f29\u5c0f\u4e86\u6545\u969c\u7684\u8303\u56f4\uff0c\u6709\u5229\u4e8e\u5feb\u901f\u5b9a\u4f4d \u6545\u969c\u3002\u5f53\u7136\uff0c\u51e1\u4e8b\u90fd\u6709\u4f8b\u5916\uff0c\u5728\u7279\u6b8a\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u5982\u679c\u5176\u4e2d\u4e00\u4e2a\u65b9\u5411\u7684\u62a5\u6587\u7edf\u8ba1\u4fe1\u606f\u662f 0\uff0c \u53cc\u65b9\u7684\u901a\u4fe1\u4e5f\u6709\u53ef\u80fd\u662f\u6b63\u5e38\u7684\uff0c\u8fd9\u79cd\u7279\u6b8a\u7684\u7f51\u7edc\u73af\u5883\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n<p>\u5982\u679c\u9632\u706b\u5899\u6ca1\u6709\u6536\u5230 SYN \u62a5\u6587\uff0c\u53ea\u6536\u5230 SYN+ACK \u6216 ACK \u7b49\u540e\u7eed\u62a5\u6587\uff0c\u662f\u4e0d\u4f1a\u521b\u5efa\u4f1a\u8bdd\u7684\uff0c\u5e76\u4e14\u4f1a\u5c06\u8fd9\u4e9b\u62a5\u6587\u4e22\u5f03\uff0c\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\u8fd9\u6837\u5904\u7406\u662f\u6ca1\u6709\u95ee\u9898\u7684\uff0c\u4f46\u662f\u5728\u62a5\u6587\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\u7684\u73af\u5883\u4e2d\u5c31\u4f1a\u51fa\u73b0\u95ee\u9898<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25a86621b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757578363815-baf586c7-3e7b-45dd-bc5d-8c516bba4252.png\" \/><\/p>\n<p>\u5982\u4e0a\u56fe \u5185\u90e8\u7f51\u7edc\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\u7684\u62a5\u6587\u76f4\u63a5\u901a\u8fc7\u8def\u7531\u5668\u5230\u8fbe\u5916\u90e8\u7f51\u7edc\uff0c\u800c\u5916\u90e8\u7f51\u7edc\u7684\u56de\u5e94\u62a5\u6587\uff0c\u5148\u7ecf\u8fc7\u8def\u7531\u5668\u8f6c\u53d1\u5230\u9632\u706b\u5899\uff0c\u7531\u9632\u706b\u5899\u5904\u7406\u540e\u518d\u8f6c\u53d1\u5230\u8def\u7531\u5668\uff0c\u6700\u540e\u7531\u8def\u7531\u5668\u53d1\u9001\u5230\u5185\u90e8\u7f51\u7edc\uff0c\u4e5f\u5c31\u662f\u9632\u706b\u5899\u65e0\u6cd5\u6536\u5230 SYN \u62a5\u6587\uff0c\u53ea\u6536\u5230\u4e86 SYN+ACK \u62a5\u6587\uff0c\u8fd9\u79cd\u901a\u4fe1\u53cc\u65b9\u4ea4\u4e92\u7684\u62a5\u6587\u4e0d\u540c\u65f6\u7ecf\u8fc7\u9632\u706b\u5899\u7684\u60c5\u51b5\uff0c\u53eb\u505a\u62a5\u6587\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\uff0c\u5728\u8fd9\u79cd\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u9632\u706b\u5899\u6536\u5230 SYN+ACK \u62a5\u6587\u540e\uff0c\u7531\u4e8e\u6ca1\u6709\u54cd\u5e94\u4f1a\u8bdd\uff0c\u5c31\u4f1a\u4e22\u5f03 SYN+ACK \u62a5\u6587\uff0c\u5bfc\u81f4\u5185\u90e8\u7f51\u7edc\u548c\u5916\u90e8\u7f51\u7edc\u4e4b\u95f4\u7684\u901a\u4fe1\u4e2d\u65ad\u3002 \u6b64\u65f6\u53ef\u4ee5\u5173\u95ed\u9632\u706b\u5899\u7684\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\uff0c\u5173\u95ed\u72b6\u6001\u68c0\u6d4b\u540e \u5bf9\u4e8e TCP \u534f\u8bae\u9664\u4e86 SYN \u62a5\u6587\u5916\uff0cSYN+ACK\u3001ACK \u62a5\u6587\u5c31\u90fd\u53ef\u4ee5\u5efa\u7acb\u4f1a\u8bdd\u4e86\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u5bfc\u81f4\u901a\u4fe1\u4e2d\u65ad<\/p>\n<p>\u4e0b\u9762\u4f7f\u7528 eNSP \u6765\u6a21\u62df\u4e00\u4e2a\u62a5\u6587\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\u7684\u7f51\u7edc\u73af\u5883\uff0c\u6211\u4eec\u8ba9 PC \u8bbf\u95ee Web \u670d\u52a1\u5668\u7684\u62a5\u6587\u901a\u8fc7\u8def\u7531\u5668\u76f4\u63a5\u5230\u8fbe Web \u670d\u52a1\u5668\uff0c\u8ba9 Web \u670d\u52a1\u5668\u56de\u5e94\u7ed9 PC \u7684\u62a5\u6587\u5c06\u4f1a\u8f6c\u53d1\u5230\u9632\u706b\u5899\uff0c\u7136\u540e\u518d\u53d1\u9001\u5230 PC\u3002<\/p>\n<p>\u62d3\u6251\u5982\u4e0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25aaae931.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757580060357-cd1a3e53-027c-4b71-a178-aaa4565fbeff.png\" \/><\/p>\n<p>\u5148\u4e0d\u5173\u95ed\u72b6\u6001\u68c0\u6d4b\uff0c\u8ba9 PC \u8bbf\u95ee Web \u670d\u52a1\u5668\uff0c\u53d1\u73b0\u65e0\u6cd5\u6210\u529f\u8bbf\u95ee\uff0c\u5728\u9632\u706b\u5899\u4e0a\u4e5f\u65e0\u6cd5\u770b\u5230\u4f1a\u8bdd\u4fe1\u606f\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25acce1eb.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757580110943-f701a68e-fa9b-4dfa-bd70-2b1eae5c49aa.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25aeb2406.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757580118150-a879f155-c0f0-4b38-8c99-6ec050dc2179.png\" \/><\/p>\n<p>\u6b64\u65f6\u5728\u9632\u706b\u5899\u4e0a\u4f7f\u7528 <strong>display firewall statistic system discard <\/strong>\u547d\u4ee4\u67e5\u770b\u4e22\u5305\u60c5\u51b5\uff0c\u53d1\u73b0\u5b58\u5728 Session miss \u4e22\u5305<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25b0b0c07.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757580178633-be8c1091-306e-4d60-a665-e273c97e4ebc.png\" \/><\/p>\n<p>\u8fd9\u8868\u793a\u9632\u706b\u5899\u56e0\u4e3a\u65e0\u6cd5\u627e\u5230\u4f1a\u8bdd\u5c06\u62a5\u6587\u4e22\u5f03\uff0c\u56e0\u4e3a\u9632\u706b\u5899\u53ea\u6536\u5230\u4e86\u670d\u52a1\u5668\u56de\u5e94\u7684 SYN+ACK \u62a5\u6587\uff0c\u6ca1\u6709\u6536\u5230 SYN \u62a5\u6587\uff0c\u4e5f\u5c31\u6ca1\u6709\u76f8\u5e94\u7684\u4f1a\u8bdd\uff0c\u6240\u4ee5 SYN+ACK \u62a5\u6587\u88ab\u4e22\u5f03\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u4f7f\u7528<strong> undo firewall session link-state check<\/strong> \u547d\u4ee4\u5173\u95ed\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\uff0c\u7136\u540e\u518d\u8ba9 PC \u8bbf\u95ee Web \u670d\u52a1\u5668\uff0c\u53d1\u73b0\u53ef\u80fd\u8bbf\u95ee\u6210\u529f\uff0c\u5728\u9632\u706b\u5899\u4e0a\u4e5f\u53ef\u4ee5\u67e5\u770b\u5230\u4f1a\u8bdd\u4fe1\u606f\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25b2cdb26.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757580313795-bfd0359b-764e-4e17-90b2-9e217cd5d4f4.png\" \/><\/p>\n<p>\u5728\u4f1a\u8bdd\u4fe1\u606f\u4e2d &lt;&#8211;\u65b9\u5411\u7edf\u8ba1\u4fe1\u606f\u662f 0\uff0c\u53ea\u6709&#8211;&gt;\u65b9\u5411\u5b58\u5728\u7edf\u8ba1\u4fe1\u606f\uff0c\u8fd9\u5c31\u8bf4\u660e\u53ea\u6709\u670d\u52a1\u5668\u56de\u5e94\u7684 SYN+ACK \u62a5\u6587\u7ecf\u8fc7\u4e86\u9632\u706b\u5899\uff0c\u7531\u6b64\u6211\u4eec\u5f97\u51fa\u7ed3\u8bba\uff0c\u5173\u95ed\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\u540e\uff0c\u9632\u706b\u5899\u6536\u5230 SYN+ACK \u62a5\u6587\u540e\u4e5f\u4f1a\u5efa\u7acb\u4f1a\u8bdd\uff0cPC \u548c Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u4e0d\u4f1a\u4e2d\u65ad<\/p>\n<h3>UDP<\/h3>\n<p>UDP \u4e0d\u540c\u4e0e\u4e8e TCP \u534f\u8bae , \u662f\u6ca1\u6709\u8fde\u63a5\u72b6\u6001\u7684\u534f\u8bae,\u5bf9\u4e8e UDP \u534f\u8bae\uff0c\u9632\u706b\u5899\u6536\u5230 UDP \u62a5\u6587\u540e\uff0c\u65e0\u8bba\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\u662f\u5f00\u542f\u8fd8\u662f\u5173\u95ed\u72b6\u6001\uff0c\u53ea\u8981 UDP \u62a5\u6587\u901a\u8fc7\u4e86\u5305\u62ec\u5b89\u5168\u7b56\u7565\u5728\u5185\u7684\u5404\u9879\u5b89\u5168\u673a\u5236\u7684\u68c0\u67e5\uff0c\u9632\u706b\u5899\u90fd\u4f1a\u5efa\u7acb\u4f1a\u8bdd<\/p>\n<h3>ICMP<\/h3>\n<p>\u7136\u540e\u662f ICMP \u534f\u8bae\uff0c\u63d0\u5230 ICMP \u534f\u8bae \u5c31\u4f1a\u60f3\u5230 ping\uff0cping \u7528\u6765\u6d4b\u8bd5\u7f51\u7edc\u4e2d\u53e6\u4e00\u53f0\u8bbe\u5907\u662f\u5426\u53ef\u8fbe\uff0c\u662f\u6211\u4eec\u5728\u65e5\u5e38\u7ef4\u62a4\u4e2d\u7ecf\u5e38\u4f1a\u7528\u5230\u7684\u64cd\u4f5c\uff0c\u6267\u884c ping \u64cd\u4f5c\u7684\u4e00\u65b9\u4f1a\u53d1\u9001 ping \u56de\u663e\u8bf7\u6c42\u62a5\u6587\uff08Echo request\uff09\uff0c\u6536\u5230\u8be5\u8bf7\u6c42\u62a5\u6587\u540e\uff0c\u54cd\u5e94\u4e00\u65b9\u4f1a\u53d1\u9001 Ping \u56de\u663e\u5e94\u7b54\u62a5\u6587\uff08Echo reply\uff09<\/p>\n<p>\u5bf9\u4e8e ping \u62a5\u6587 \u5728\u5f00\u542f\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\u65f6 \u9632\u706b\u5899\u53ea\u6709\u6536\u5230 ping \u56de\u663e\u8bf7\u6c42\u62a5\u6587\uff0c\u5e76\u4e14 Ping \u56de\u663e\u8bf7\u6c42\u62a5\u6587\u901a\u8fc7\u4e86\u5305\u62ec\u5b89\u5168\u7b56\u7565\u5728\u5185\u7684\u5404\u9879\u5b89\u5168\u673a\u5236\u7684\u68c0\u67e5\u540e\uff0c\u624d\u4f1a\u5efa\u7acb\u4f1a\u8bdd\uff1b\u5982\u679c\u9632\u706b\u5899\u6ca1\u6709\u6536\u5230 ping \u56de\u663e\u8bf7\u6c42\u62a5\u6587\uff0c\u53ea\u6536\u5230\u4e86 ping \u56de\u663e\u5e94\u7b54\u62a5\u6587\uff0c\u662f\u4e0d\u4f1a\u521b\u5efa\u4f1a\u8bdd\u7684\uff0c\u5e76\u4e14\u4f1a\u5c06 ping \u56de\u663e\u5e94\u7b54\u62a5\u6587\u4e22\u5f03\uff0c\u5728\u5173\u95ed\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\u65f6\uff0c\u9632\u706b\u5899\u6536\u5230 ping \u56de\u663e\u8bf7\u6c42\u62a5\u6587\u548c ping \u56de\u663e\u5e94\u7b54\u62a5\u6587\uff0c\u90fd\u4f1a\u521b\u5efa\u4f1a\u8bdd\uff0c\u4e0b\u9762\u662f\u5728\u62a5\u6587\u6765\u56de\u8def\u5f84\u4e0d\u4e00\u81f4\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u9632\u706b\u5899\u4e0a\u5173\u95ed\u4e86\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\u540e\uff0cPing \u56de\u663e\u5e94\u7b54\u62a5\u6587\u751f\u6210\u7684\u4f1a\u8bdd\u4fe1\u606f\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25b4ec615.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757580783980-f81420c4-111c-4a5b-918c-11ddd2266b35.png\" \/><\/p>\n<p>\u800c\u5bf9\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684 ICMP \u62a5\u6587\uff0c\u65e0\u8bba\u72b6\u6001\u68c0\u6d4b\u529f\u80fd\u662f\u5f00\u542f\u8fd8\u662f\u5173\u95ed\uff0c\u53ea\u8981\u8fd9\u4e9b\u62a5\u6587\u901a\u8fc7\u4e86\u5305\u62ec\u5b89\u5168\u7b56\u7565\u5728\u5185\u7684\u5404\u9879\u5b89\u5168\u673a\u5236\u7684\u68c0\u67e5\uff0c\u9632\u706b\u5899\u90fd\u4f1a\u8f6c\u53d1\u62a5\u6587\uff0c\u4e0d\u5efa\u7acb\u4f1a\u8bdd\u3002<\/p>\n<p>\u6700\u540e \u603b\u7ed3\u5982\u4e0b\u8868<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u534f\u8bae<\/th>\n<th><\/th>\n<th>\u5f00\u542f\u72b6\u6001\u68c0\u6d4b\u529f\u80fd<\/th>\n<th>\u5173\u95ed\u72b6\u6001\u68c0\u6d4b\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>TCP<\/td>\n<td>SYN \u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>SYN+ACK\u3001ACK \u62a5\u6587<\/td>\n<td>\u4e0d\u521b\u5efa\u4f1a\u8bdd\uff0c\u4e22\u5f03\u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td>UDP<\/td>\n<td><\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td>ICMP<\/td>\n<td>Ping \u56de\u663e\u8bf7\u6c42\u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Ping \u56de\u663e\u5e94\u7b54\u62a5\u6587<\/td>\n<td>\u4e0d\u521b\u5efa\u4f1a\u8bdd\uff0c\u4e22\u5f03\u62a5\u6587<\/td>\n<td>\u521b\u5efa\u4f1a\u8bdd\uff0c\u8f6c\u53d1\u62a5\u6587<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u5176\u4ed6 ICMP \u62a5\u6587<\/td>\n<td>\u4e0d\u521b\u5efa\u4f1a\u8bdd\uff0c\u4e22\u5f03\u62a5\u6587<\/td>\n<td>\u4e0d\u521b\u5efa\u4f1a\u8bdd\uff0c\u4e22\u5f03\u62a5\u6587<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u53e6\u5916\u8fd8\u6709\u4e00\u4e9b\u7279\u6b8a\u7684\u62a5\u6587\uff0c\u9632\u706b\u5899\u8f6c\u53d1\u8fd9\u4e9b\u62a5\u6587\u65f6\u4e0d\u4f1a\u521b\u5efa\u4f1a\u8bdd\uff0c\u8fd9\u4e9b\u7279\u6b8a\u7684\u62a5\u6587\u5305\u62ec\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25b7a4785.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581125971-b23cfafc-cc2a-42a6-8a00-edc2222d3504.png\" \/><\/p>\n<h1>\u5f53\u5b89\u5168\u7b56\u7565\u9047\u4e0a OSPF<\/h1>\n<p>\u672c\u7bc7\u9a8c\u8bc1\u7684\u662f\u9632\u706b\u5899\u672c\u8eab\u53c2\u4e0e\u5230 OSPF \u8def\u7531\u8ba1\u7b97\u7684\u573a\u666f\uff0c\u5373\u9a8c\u8bc1\u9632\u706b\u5899\u63a5\u53e3\u6240\u5728\u5b89\u5168\u533a\u57df\u4e0e Local \u533a\u57df\u4e4b\u95f4\u8bd5\u8fc7\u9700\u8981\u5f00\u542f\u5b89\u5168\u7b56\u7565\uff0c\u800c\u9632\u706b\u5899\u672c\u8eab\u4e0d\u53c2\u4e0e OSPF \u8def\u7531\u8ba1\u7b97\uff0c\u53ea\u662f\u4e8c\u5c42\u8f6c\u53d1 OSPF \u8def\u7531\u62a5\u6587\u7684\u573a\u666f\u4e2d\uff0c\u5982\u679c\u9632\u706b\u5899\u7684\u63a5\u53e3\u5c5e\u4e8e\u4e0d\u540c\u7684\u5b89\u5168\u533a\u57df\uff0c\u5219\u9700\u8981\u5f00\u542f\u5b89\u5168\u533a\u57df\u4e4b\u95f4\u7684\u5b89\u5168\u7b56\u7565\uff0c\u5141\u8bb8 OSPF \u8def\u7531\u62a5\u6587\u901a\u8fc7\u3002<\/p>\n<p>\u4f7f\u7528\u4e00\u53f0 USG9000 \u9632\u706b\u5899\u548c\u4e24\u53f0\u8def\u7531\u5668\u642d\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u7edc\u73af\u5883\uff0c\u7f51\u7edc\u62d3\u6251\u5982\u4e0b\u56fe\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25ba76cda.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581385495-0ea76695-a34f-4bc7-96c8-d1ad76b0c545.png\" \/><\/p>\n<p>\u6839\u636e\u4e0b\u8868\u4e2d\u7684\u6570\u636e\uff0c\u5728 USG9000 \u4e0a\u914d\u7f6e\u63a5\u53e3\u7684 IP \u5730\u5740,\u5c06\u63a5\u53e3\u52a0\u5165\u5b89\u5168\u533a\u57df,\u5f00\u542f OSPF \u529f\u80fd\uff0c\u4ee5\u53ca\u5728\u8def\u7531\u5668 R1 \u548c R2 \u4e0a\u914d\u7f6e\u63a5\u53e3\u7684 IP \u5730\u5740,\u5f00\u542f OSPF \u529f\u80fd<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25bcda4e4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581452361-8d7416fc-7540-4fe5-a72f-c58383a4d40b.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25bf379fc.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581462191-7f0fedb0-d37b-4402-b362-869cb3f44be8.png\" \/><\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u9632\u706b\u5899\u4e0a\u6ca1\u6709\u5f00\u542f GE1\/1\/9 \u63a5\u53e3\u6240\u5728\u7684 Untrust \u533a\u57df\u548c local \u533a\u57df\u4e4b\u95f4\u7684\u5b89\u5168\u7b56\u7565\uff0c\u8fd9\u4e24\u4e2a\u533a\u57df\u4e4b\u95f4\u4e0d\u5141\u8bb8\u62a5\u6587\u901a\u8fc7\uff0c\u6211\u4eec\u5728\u9632\u706b\u5899\u4e0a\u4f7f\u7528<strong> display ospf peer<\/strong> \u547d\u4ee4\u67e5\u770b OSPF \u7684\u90bb\u63a5\u5173\u7cfb<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25c13205d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581537111-c0adf24d-9bb0-4a6f-9421-b84a5eaabac6.png\" \/><\/p>\n<p>\u5728\u8def\u7531\u5668 R1 \u4e0a\u4f7f\u7528<strong> display ospf peer<\/strong> \u547d\u4ee4\u67e5\u770b OSPF \u7684\u90bb\u63a5\u5173\u7cfb\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25c345108.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581587811-bb30ba3e-8aba-4ea1-b384-0947c1986ce0.png\" \/>\u5728 USG9000 \u548c R1 \u4e0a\u770b\u5230\u7684 OSPF \u90bb\u63a5\u72b6\u6001\u90fd\u4e3a ExStart\uff0c\u6839\u636e\u4e0b\u9762\u7684 OSPF \u90bb\u63a5\u5173\u7cfb\u5efa\u7acb\u8fc7\u7a0b\u793a\u610f\u56fe\uff0c\u53d1\u73b0 OSPF \u90bb\u63a5\u5173\u7cfb\u6ca1\u5efa\u7acb\u8d77\u6765\uff0c\u56e0\u4e3a USG9000 \u548c R1 \u4e4b\u95f4\u6ca1\u6709\u6210\u529f\u4ea4\u6362 DD \uff08Database Description\uff09 \u62a5\u6587<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25c58348a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581662027-184fcaa6-3d80-4350-b232-852fe4cd5e86.png\" \/><\/p>\n<p>\u6b64\u65f6\uff0c\u6000\u7591\u53ef\u80fd\u662f USG9000 \u4e22\u5f03 DD \u62a5\u6587\uff0c\u5728 USG9000 \u4e0a\u4f7f\u7528<strong> display firewall statistic system discarded<\/strong> \u547d\u4ee4\u67e5\u770b\u4e22\u5305\u4fe1\u606f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25c78dc4c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581731024-edb91a00-5506-4824-ba12-0e2971cb7520.png\" \/><\/p>\n<p>\u4e0a\u9762\u7684\u4fe1\u606f\u8868\u793a\u7f3a\u7701\u5305\u8fc7\u6ee4\u5c06\u62a5\u6587\u4e22\u5f03\uff0c\u800c\u4e14\u88ab\u4e22\u5f03\u62a5\u6587\u7684\u4e2a\u6570\u8fd8\u5728\u4e0d\u65ad\u589e\u957f\uff0c\u8bf4\u660e OSPF \u6a21\u5757\u5728\u4e0d\u65ad\u5c1d\u8bd5\u53d1\u9001 DD \u62a5\u6587\uff0c\u4f46\u90fd\u88ab\u5b89\u5168\u7b56\u7565\u6a21\u5757\u4e22\u5f03\u4e86\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u5728 USG9000 \u4e0a\u5f00\u542f Local \u533a\u57df\u548c Untrust \u533a\u57df\u4e4b\u95f4\u7684\u5b89\u5168\u7b56\u7565\uff0c\u5141\u8bb8 OSPF \u62a5\u6587\u901a\u8fc7\uff0c\u6ce8\u610f\uff0c\u56e0\u4e3a USG9000 \u65e2\u8981\u53d1\u9001 DD \u62a5\u6587\u53c8\u8981\u63a5\u6536 DD \u62a5\u6587\uff0c\u6240\u4ee5 Inbound \u548c Outbound \u65b9\u5411\u4e0a\u7684\u5b89\u5168\u7b56\u7565\u90fd\u8981\u5f00\u542f\u3002\u5982\u4e0b\uff1a<\/p>\n<blockquote>\n<p>\u4e3a\u4e86\u7cbe\u786e\u5339\u914d OSPF \u534f\u8bae\uff0c\u4f7f\u7528\u4e86\u7cfb\u7edf\u63d0\u4f9b\u7684 OSPF \u670d\u52a1\u96c6\uff0c\u5982\u679c\u9632\u706b\u5899\u4e2d\u6ca1\u6709\u63d0\u4f9b\u8fd9\u4e2a\u670d\u52a1\u96c6\uff0c\u53ef\u4ee5\u81ea\u5df1\u521b\u5efa\u4e00\u4e2a\uff0c\u534f\u8bae\u53f7\u8bbe\u7f6e\u4e3a 89<\/p>\n<\/blockquote>\n<p>\u7136\u540e\u5206\u522b\u5728 USG9000 \u548c R1 \u4e0a\u4f7f\u7528 <strong>display ospf peer<\/strong> \u547d\u4ee4\u67e5\u770b OSPF \u7684\u90bb\u63a5\u5173\u7cfb\uff08\u53ef\u80fd\u8981\u7b49\u5f85\u4e00\u4f1a\uff09\u6216\u8005\u53ef\u4ee5\u4f7f\u7528<strong> reset ospf process<\/strong> \u91cd\u542f OSPF \u8fdb\u7a0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\".\/img\/EDYfseJvo2b1Z8Tw\/1757581996256-49fd0251-409d-4d3e-b480-30e6f7cccbe4-655859.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757581996256-49fd0251-409d-4d3e-b480-30e6f7cccbe4.png\" \/><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25c9a1240.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757582003672-5477cde9-077c-4bc0-90d1-332efda6e473.png\" \/><\/p>\n<p>\u6b64\u65f6\u53ef\u4ee5\u770b\u5230 OSPF \u90bb\u63a5\u5efa\u7acb\u6210\u529f\uff0c\u540c\u65f6 USG9000 \u4e0a\u5df2\u7ecf\u5b58\u5728\u4e86\u901a\u8fc7 OSPF \u8def\u7531\u534f\u8bae\u5b66\u4e60\u5230\u7684\u53bb\u5f80 50.1.1.0 \u8fd9\u4e2a\u7f51\u6bb5\u7684\u8def\u7531\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25cbc27eb.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757582053485-206308bd-d0a1-4713-af91-b76bf1d755d3.png\" \/><\/p>\n<p>\u5bf9\u4e8e\u9632\u706b\u5899 USG9000 \u6765\u8bf4\uff0c\u9700\u8981\u5f00\u542f\u63a5\u53e3\u6240\u5728\u5b89\u5168\u533a\u57df\u548c local \u533a\u57df\u4e4b\u95f4\u7684\u5b89\u5168\u7b56\u7565\uff0c\u5141\u8bb8 OSPF \u62a5\u6587\u901a\u8fc7\uff0c\u8fd9\u6837\u9632\u706b\u5899\u624d\u80fd\u548c\u76f8\u8fde\u7684\u8bbe\u5907\u6b63\u5e38\u5efa\u7acb\u90bb\u63a5\u5173\u7cfb\uff0c\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u53e6\u5916\u4e00\u4e2a\u89d2\u5ea6\u6765\u8003\u8651\u8fd9\u4e2a\u95ee\u9898\u3002\u5355\u64ad\u62a5\u6587\u548c\u7ec4\u64ad\u62a5\u6587\u3002<\/p>\n<p>\u5bf9\u4e8e\u9632\u706b\u5899\u6765\u8bf4\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5355\u64ad\u62a5\u6587\u662f\u8981\u7ecf\u8fc7\u5b89\u5168\u7b56\u7565\u7684\u68c0\u67e5\uff0c\u6240\u4ee5\u9700\u8981\u5f00\u542f\u5b89\u5168\u7b56\u7565\u5141\u8bb8\u62a5\u6587\u901a\u8fc7\uff1b\u800c\u7ec4\u64ad\u62a5\u6587\u4e0d\u7ecf\u8fc7\u5b89\u5168\u7b56\u7565\u7684\u68c0\u67e5\uff0c\u4e5f\u5c31\u4e0d\u9700\u8981\u5f00\u542f\u76f8\u5e94\u7684\u5b89\u5168\u7b56\u7565\u3002<\/p>\n<p>\u5728 OSPF \u4e2d\u54ea\u4e9b\u62a5\u6587\u662f\u5355\u64ad\uff0c\u54ea\u4e9b\u662f\u7ec4\u64ad\uff1f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25cdc967d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757582253602-3335856a-5132-4ee9-8618-48067c9319b3.png\" \/><\/p>\n<blockquote>\n<p>\u53ef\u4ee5\u5728\u63a5\u53e3\u4e0a\u6267\u884c<strong> ospf network-type<\/strong> \u547d\u4ee4\u6765\u4fee\u6539 OSPF \u7684\u7f51\u7edc\u7c7b\u578b<\/p>\n<\/blockquote>\n<p>\u4ece\u8868\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u7f51\u7edc\u7c7b\u578b\u4e0a Broadcast \u7c7b\u578b\u65f6\uff0cOSPF \u62a5\u6587\u4e2d\u7684 DD \u62a5\u6587\u548c LSR \u62a5\u6587\u662f\u5355\u64ad\u62a5\u6587\uff0c\u9700\u8981\u5f00\u542f\u5b89\u5168\u7b56\u7565\uff1b\u7f51\u7edc\u7c7b\u578b\u662f P2P \u65f6\uff0cOSPF \u62a5\u6587\u662f\u7ec4\u64ad\u62a5\u6587\uff0c\u56e0\u6b64\u65e0\u9700\u5f00\u542f\u5b89\u5168\u7b56\u7565\u3002NBMA \u548c P2MP \u7c7b\u578b\u4e5f\u662f\u540c\u7406\u3002<\/p>\n<p>\u4e0a\u8ff0\u7ed3\u8bba\u57fa\u4e8e\u534e\u4e3a\u9632\u706b\u5899 USG9000 V3R1 \u7248\u672c\uff0c\u4e0d\u9002\u7528\u4e8e\u5176\u4ed6\u578b\u53f7\u9632\u706b\u5899\u4ea7\u54c1\u3002<\/p>\n<h1>\u63ed\u79d8\u534e\u4e3a\u9632\u706b\u5899 NAT \u5730\u5740\u590d\u7528\u4e13\u5229\u6280\u672f<\/h1>\n<p>\u63d0\u5230\u591a\u5bf9\u591a\uff0c\u591a\u5bf9\u4e00\u5230 NAT \u5c31\u4e0d\u80fd\u56de\u907f\u516c\u7f51\u5730\u5740\u5229\u7528\u7387\u7684\u95ee\u9898<\/p>\n<p>\u534e\u4e3a\u9632\u706b\u5899\u4e00\u4e2a\u516c\u7f51 IP \u7a81\u7834\u4e86 65535 \u7aef\u53e3\u9650\u5236,\u7406\u8bba\u4e0a\u80fd\u65e0\u9650\u5236\u8fdb\u884c NAT \u8f6c\u6362<\/p>\n<p>\u5728\u6e90 NAT \u8282\u4e2d\uff0c\u63d0\u5230\uff1a\u9632\u706b\u5899\u5728\u5e94\u7528\u6e90 NAT \u529f\u80fd\u65f6\u5c31\u662f\u4ece\u5730\u5740\u6c60\u4e2d\u6311\u9009\u4e00\u4e2a\u516c\u7f51 IP,\u7136\u540e\u5bf9\u79c1\u7f51 IP \u8fdb\u884c\u8f6c\u6362,\u6311\u9009\u54ea\u4e2a\u516c\u7f51 IP \u662f\u968f\u673a\u7684,\u548c\u914d\u7f6e\u65f6\u7684\u987a\u5e8f,IP \u5927\u5c0f\u7b49\u56e0\u7d20\u90fd\u6ca1\u5173\u7cfb,\u90a3\u4e48\u5728\u8fdb\u884c\u6e90 NAT \u65f6\uff0c\u662f\u600e\u4e48\u6837\u4ece\u5730\u5740\u6c60\u4e2d\u6311\u9009\u516c\u7f51 IP \u5730\u5740\u8d44\u6e90\u8fdb\u884c\u5206\u914d\u5462\uff1f<\/p>\n<p>\u8fd9\u8981\u5f15\u5165 Hash \u7b97\u6cd5\u6982\u5ff5<\/p>\n<p>\u5c31\u662f\u628a\u4e00\u79cd\u4efb\u610f\u957f\u5ea6\u7684\u4fe1\u606f\u8fdb\u884c\u538b\u7f29\u6620\u5c04\uff0c\u6210\u4e3a\u67d0\u4e00\u56fa\u5b9a\u957f\u5ea6\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u628a 3000 \u4e2a\u79c1\u7f51 IP \u6620\u5c04\u6210 100 \u4e2a\u516c\u7f51 IP,\u4e5f\u5c31\u662f\u4ece\u5730\u5740\u6c60\u6311\u9009\u51fa\u516c\u7f51 IP \u5730\u5740\u8d44\u6e90\u8fdb\u884c\u5206\u914d\u7684\u8fc7\u7a0b,\u8d44\u6599\u4e2d\u4e5f\u5076\u5c14\u4f1a\u63d0\u5230\u7684\u57fa\u4e8e\u6e90\u5730\u5740 Hash\u3002<\/p>\n<p>Hash \u7684\u5177\u4f53\u89c4\u5219\u6216\u8005\u7b97\u6cd5\u662f\u4ec0\u4e48\u5462\uff1f\u8fd9\u4e2a\u7075\u6d3b\u53ef\u4ee5\u81ea\u5df1\u8bbe\u5b9a\uff0c\u4f46\u73b0\u5728\u6211\u4eec\u4f7f\u7528<strong>\u53d6\u6a21\u8fd0\u7b97<\/strong><\/p>\n<p>\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25d07e8a4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757582808342-77011c3b-06a5-43b6-8924-36306161daae.png\" \/><\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25d30a60d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757582914370-3b872ddd-a9dc-4705-af2f-dd150130d16f.png\" \/><\/p>\n<p>\u5185\u7f51\u7528\u6237\u7684\u6e90 IP \u5730\u5740\u5df2\u7ecf\u53ef\u4ee5\u5168\u90e8\u88ab\u5206\u914d\u4e86\u5bf9\u5e94\u7684\u5730\u5740\u6c60\u4e2d\u7684\u516c\u7f51 IP \u5730\u5740\u8d44\u6e90,\u5e76\u4e14\u4fdd\u8bc1\u989d\u6bcf\u4e2a\u5185\u7f51\u7684 IP \u5730\u5740\u5728\u8f6c\u6362\u65f6\u6bcf\u6b21\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc\u65f6\u59cb\u7ec8\u8f6c\u6362\u4e3a\u540c\u4e00\u4e2a\u516c\u7f51 IP \u5730\u5740,\u6309\u7167\u4e0a\u8ff0\u8fd0\u7b97\u540e,\u4e00\u90e8\u5206\u5185\u7f51\u7528\u6237\u5c31\u4f1a\u88ab\u5206\u914d\u76f8\u540c\u7684\u516c\u7f51 IP \u5730\u5740\u8d44\u6e90\uff0c\u4e0b\u4e00\u6b65\uff0c\u6211\u4eec\u6765\u7814\u7a76\u5982\u4f55\u5206\u914d\u7aef\u53e3\u8d44\u6e90<\/p>\n<p>\u4e0b\u9762\u7aef\u53e3\u5206\u914d\u5148\u4ece\u9632\u706b\u5899\u7684\u5b9e\u73b0\u539f\u7406\u8bb2\u8d77\uff0c\u5b9a\u6027\u533a\u5206\u7aef\u53e3\u5206\u914d\u5e26\u6765\u7684\u5f71\u54cd<\/p>\n<p>\u5728\u6e90 NAT \u4e00\u8282\u4e2d\uff0c\u6211\u4eec\u5df2\u4ecb\u7ecd\u4e86 NAPT \u60c5\u51b5\u5efa\u7acb\u7684\u4f1a\u8bdd\u8868<\/p>\n<p>\u4f8b\u5982 \u5185\u7f51 10.1.1.1 \u548c 10.1.1.2 \u7528\u6237\u5206\u522b ping 220.180.20.50 \u670d\u52a1\u5668\uff0c\u5728 USG \u4e0a\u901a\u8fc7\u516c\u7f51\u5730\u5740 202.169.1.1 \u8fdb\u884c NAT \u8f6c\u6362\uff0c\u67e5\u8be2\u4f1a\u8bdd\u8868\u663e\u793a\u5982\u4e0b\uff1a<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">[USG9000] display firewall session table\nCurrent total sessions: 2\nSlot: 5 CPU: 1\nicmp VPN: public --&gt; public 10.1.1.1:1280[202.169.1.1:10298] --&gt; 220.180.20.50:2048\nicmp VPN: public --&gt; public 10.1.1.2:1280[202.169.1.1:6103] --&gt; 220.180.20.50:2048 <\/code><\/pre>\n<p>\u7531\u4e8e\u5185\u7f51\u4e0d\u540c\u7528\u6237\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\u5fc5\u4e0d\u76f8\u540c,\u4ec5\u4f7f\u7528&quot;\u6e90\u5730\u5740+\u6e90\u7aef\u53e3&quot;\u4e8c\u5143\u79df\u4fe1\u606f\u5728 USG \u4e0a\u5373\u53ef\u6807\u8bc6\u4e00\u6761\u6570\u636e\u6d41,\u6765\u5efa\u7acb\u6b63\u5411 NAT \u5730\u5740\u8f6c\u6362\u3002\u800c\u8fdb\u884c\u53cd\u5411\u5730\u5740\u8fd8\u539f\u65f6\uff0c\u4f7f\u7528\u201d\u6e90\u5730\u5740+\u6e90\u7aef\u53e3+\u76ee\u7684\u5730\u5740+\u76ee\u7684\u7aef\u53e3+\u534f\u8bae\u201c\u4e94\u5143\u7956\u4fe1\u606f\u552f\u4e00\u6807\u8bc6\u4e00\u6761\u6570\u636e\u6d41<\/p>\n<p>\u90a3\u4e48\u6839\u636e\u4f1a\u8bdd\u8868\u5b9e\u73b0\u673a\u5236\uff0c\u53ea\u8981\u5185\u7f51\u4e0d\u540c\u7528\u6237\u8bbf\u95ee\u201d\u76ee\u7684\u5730\u5740+\u76ee\u7684\u7aef\u53e3+\u534f\u8bae\u201c\u4e09\u5143\u7956\u4e2d\u4efb\u4e00\u53c2\u6570\u4e0d\u540c\u65f6\uff0c\u5373\u4f7f\u5c06\u5730\u5740\u4e2d\u540c\u4e00\u516c\u7f51\u5730\u5740\u7684\u540c\u4e00\u7aef\u53e3\u540c\u65f6\u5206\u914d\u7ed9\u5185\u7f51\u591a\u4e2a\u7528\u6237\u65f6\uff0c\u4e5f\u4e0d\u4f1a\u4ea7\u751f\u51b2\u7a81<\/p>\n<p>\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25d4dd5cd.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757583304815-0a0acde4-b918-4ddb-87c9-f26bb724b831.png\" \/><\/p>\n<p>\u53ea\u8981\u5185\u7f51\u4e0d\u540c\u7528\u6237\u8bbf\u95ee\u201d\u76ee\u7684\u5730\u5740+\u76ee\u7684\u7aef\u53e3+\u534f\u8bae&quot;\u4e09\u5143\u7ec4\u4e2d\u7684\u4efb\u4e00\u53c2\u6570\u4e0d\u540c\u65f6\uff0c\u552f\u4e00\u7684 NAT \u5730\u5740\u548c\u7aef\u53e3\u53ef\u4ee5\u53cd\u590d\u5229\u7528\uff0c\u4e0d\u53d7 65535 \u7aef\u53e3\u7684\u9650\u5236\uff0c\u6b64\u65f6\u65e0\u8bba\u7aef\u53e3\u5982\u4f55\u5206\u914d\uff0c\u90fd\u4e0d\u4f1a\u4ea7\u751f\u95ee\u9898\u3002<\/p>\n<p>\u90a3\u4e48\u5728\u5730\u5740\u6c60\u53ea\u6709\u4e00\u4e2a\u516c\u7f51 IP \u60c5\u51b5\u4e0b,\u5982\u679c\u8bbf\u95ee\u76f8\u540c\u70b9&quot;\u76ee\u7684\u5730\u5740+\u76ee\u7684\u77ed\u88e4+\u534f\u8bae&quot;\u4e09\u5143\u7ec4\u65f6\u600e\u4e48\u529e?<\/p>\n<p>\u5728\u5185\u7f51\u4e0d\u540c\u7528\u6237\u8bbf\u95ee\u76f8\u540c&quot;\u76ee\u7684\u5730\u5740+\u76ee\u7684\u7aef\u53e3+\u534f\u8bae&quot;\u4e09\u5143\u7ec4\u65f6,\u4e0d\u80fd\u88ab\u5206\u914d\u7ed9\u76f8\u540c\u70b9 NAT \u5730\u5740\u548c\u7aef\u53e3\u8d44\u6e90\uff0c\u8fd9\u662f\u56e0\u4e3a\u4e00\u65e6\u5b8c\u5168\u76f8\u540c\uff0c\u8bbf\u95ee\u7684\u76ee\u7684\u4e3b\u673a\u4f1a\u53d1\u73b0\u51fa\u73b0\u540c\u6837\u7684\u201c\u6e90\u5730\u5740+\u6e90\u7aef\u53e3\u201d\u8bbf\u95ee\u672c\u4e3b\u673a\u7684\u540c\u4e00\u201c\u76ee\u7684\u5730\u5740+\u7aef\u53e3+\u534f\u8bae\u201d\uff0c\u76ee\u7684\u4e3b\u673a\u65e0\u6cd5\u6b63\u786e\u56de\u5e94\u751a\u81f3\u53ef\u80fd\u4f1a\u5224\u5b9a\u4e3a\u53d7\u5230\u653b\u51fb\u3002<\/p>\n<p>\u56e0\u6b64 \u4fdd\u8bc1\u5185\u7f51\u4e0d\u540c\u7528\u6237\u3001\u8bbf\u95ee\u76f8\u540c\u7684\u201c\u76ee\u7684\u5730\u5740+\u76ee\u7684\u7aef\u53e3+\u534f\u8bae\u201d\u4e09\u5143\u7ec4\u65f6\uff0c\u4e0d\u80fd\u88ab\u5206\u914d\u5230\u76f8\u540c\u5730\u5740\u90fd\u76f8\u540c\u7aef\u53e3\u8d44\u6e90\u662f\u5173\u952e\uff0c\u8fd9\u5c31\u8981\u5f15\u5165\u51b2\u7a81\u68c0\u6d4b\u673a\u5236\u3002<\/p>\n<p>\u5176\u5b9e\u5728\u5206\u914d\u7aef\u53e3\u7684\u6cd5\u5219\u4e0a\uff0c\u4ecd\u7136\u4f7f\u7528 Hash \u7b97\u6cd5\uff0c\u5728\u5185\u5b58\u5360\u7528\u5408\u7406\u7684\u60c5\u51b5\u4e0b \u5c3d\u53ef\u80fd\u4fdd\u8bc1\u88ab\u5206\u914d\u5230\u76f8\u540c\u516c\u7f51\u5730\u5740\u7684\u7528\u6237\uff0c\u5176\u88ab\u5206\u914d\u7684\u7aef\u53e3\u5c3d\u91cf\u4e0d\u4e00\u81f4\uff0c\u7b80\u5316\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25d73afff.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757583588887-7716e3ce-114a-458f-ae64-7db9a9a3fd71.png\" \/><\/p>\n<p>\u8fd9\u5c31\u4fdd\u8bc1\u4e86 \u4e0d\u540c\u5185\u7f51\u7528\u6237\u8bbf\u95ee\u76f8\u540c\u7684\u201c\u76ee\u7684\u5730\u5740+\u76ee\u7684 \u7aef\u53e3+\u534f\u8bae\u201d\u4e09\u5143\u7ec4\u65f6\uff0c\u4e0d\u4f1a\u88ab\u5206\u914d\u5230\u76f8\u540c\u7684 NAT \u5730\u5740\u7684\u7aef\u53e3\u8d44\u6e90\uff0c\u800c\u4e14\u4f1a\u8bdd\u8868\u662f\u4f1a\u5b9e\u65f6\u8001\u5316\u7684\uff0c\u88ab\u5206\u914d\u8fc7\u7684\u7aef\u53e3\u4f1a\u5728\u4f1a\u8bdd\u8868\u8001\u5316\u540e\u91cd\u65b0\u5229\u7528\uff0c\u56e0\u6b64\u6982\u7387\u4e0a\u7aef\u53e3\u4e5f\u4e0d\u4f1a\u53d7\u5230\u9650\u5236<\/p>\n<p>\u9664\u975e\u6700\u6781\u7aef\u60c5\u51b5\u53d1\u751f\uff1a\u8d85\u8fc7 64k \u7684\u5185\u7f51\u7528\u6237\uff0c\u540c\u4e00\u65f6\u523b\u3001\u5411\u5916\u7f51\u540c\u4e00\u76ee\u7684\u4e3b\u673a\u7684\u540c\u4e00\u7aef\u53e3\u3001\u91c7\u7528\u540c\u6837\u534f\u8bae\u53d1\u8d77\u94fe\u63a5\u3002<\/p>\n<h1>\u914d\u7f6e NAT \u65f6\u4e3a\u4ec0\u4e48\u8981\u540c\u65f6\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/h1>\n<p>\u9996\u5148\u7528 eNSP \u6a21\u62df\u4e00\u4e2a\u5178\u578b\u7684\u6e90 NAT \u73af\u5883\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25da1d872.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757583827593-b19418ff-9482-425f-ab0b-e038da261f51.png\" \/><\/p>\n<p>NAT \u5730\u5740\u6c60\u5730\u5740\u662f 202.1.1.10\uff0c\u9632\u706b\u5899\u4e0e\u8def\u7531\u5668\u4e92\u8054\u63a5\u53e3\u5730\u5740\u7684\u63a9\u7801\u662f 30 \u4f4d\uff0c\u4e0e NAT \u5730\u5740\u6c60\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u4e86\u4e00\u6761\u7f3a\u7701\u5f55\u97f3\uff0c\u4e0b\u4e00\u6311\u4e0a 202.1.1.2 \u8fd9\u6837\u5c31\u80fd\u628a\u79c1\u7f51 PC \u8bbf\u95ee\u516c\u7f51 Server \u7684\u62a5\u6587\u9001\u5230\u8def\u7531\u5668\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u516c\u7f51 Server \u7684\u56de\u7a0b\u62a5\u6587\u80fd\u591f\u987a\u5229\u5230\u8fbe\u9632\u706b\u5899\uff0c\u8def\u7531\u5668\u4e0a\u8fd8\u8981\u914d\u7f6e\u4e00\u6761\u5230 NAT \u5730\u5740\u6c60\u5730\u5740\u7684\u5f55\u97f3\uff0c\u53e6\u5916\u9632\u706b\u5899\u4e0a NAT \u7b56\u7565\u548c\u5b89\u5168\u7b56\u7565\u4e5f\u90fd\u914d\u7f6e\u5b8c\u6210\u3002<\/p>\n<p>\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u79c1\u7f51 PC \u8bbf\u95ee\u516c\u7f51\u4e0a\u7684\u670d\u52a1\u5668 Server \u751f\u6210\u4f1a\u8bdd\u8868\uff0c\u6e90\u5730\u5740\u4e5f\u8fdb\u884c\u4e86\u8f6c\u6362<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25dc1c4e4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757583976924-434da060-e1c0-4c2d-93f8-048795369029.png\" \/><\/p>\n<p>\u6b64\u65f6 \u5982\u679c\u516c\u7f51\u4e0a\u7684\u4e00\u53f0 PC\uff0c\u4e3b\u52a8\u8bbf\u95ee\u9632\u706b\u5899\u4e0a\u7684 NAT \u5730\u5740\u6c60\u5730\u5740\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u5462\uff1f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25de2742e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757584035159-f5fa83ac-83dc-4457-b08c-971846728df7.png\" \/><\/p>\n<p>\u5728\u516c\u7f51 PC \u4e0a\u6267\u884c<strong> ping 202.1.1.10<\/strong> \u53d1\u73b0\u4e0d\u80fd ping \u901a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25e068486.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757584082859-3948c5ec-a3f9-46af-95e9-06a21d4ad6c3.png\" \/><\/p>\n<p>\u663e\u7136\u8fd9\u662f\u6b63\u5e38\u7ed3\u679c\uff0c\u56e0\u4e3a NAT \u5730\u5740\u6c60\u53ea\u6709\u5728\u8f6c\u6362\u79c1\u7f51\u5730\u5740\u7684\u65f6\u5019\u624d\u4f1a\u7528\u5230\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u79c1\u7f51 PC \u5fc5\u987b\u5148\u53d1\u8d77\u8bbf\u95ee\u8bf7\u6c42\uff0c\u9632\u706b\u5899\u6536\u5230\u8be5\u8bf7\u6c42\u540e\u624d\u4f1a\u4e3a\u5176\u8f6c\u6362\u5730\u5740\uff0cNAT \u5730\u5740\u6c60\u5730\u5740\u5e76\u4e0d\u5bf9\u5916\u63d0\u4f9b\u4efb\u4f55\u5355\u72ec\u7684\u670d\u52a1\uff0c\u6240\u4ee5\u5f53\u516c\u7f51 PC \u4e3b\u52a8\u8bbf\u95ee NAT \u5730\u5740\u6c60\u5730\u5740\u65f6\uff0c\u62a5\u6587\u5230\u8fbe\u9632\u706b\u5899\u540e\uff0c\u65e0\u6cd5\u5339\u914d\u4f1a\u8bdd\u8868\uff0c\u9632\u706b\u5899\u80af\u5b9a\u5c31\u4f1a\u628a\u62a5\u6587\u4e22\u5f03\u4e86<\/p>\n<p>\u5b9e\u9645\u60c5\u51b5\u5f97\u5728\u9632\u706b\u5899\u70b9 GE0\/0\/1 \u63a5\u53e3\u6293\u5305\uff0c\u7136\u540e\u518d\u6b21\u5728\u516c\u7f51 PC \u4e0a\u6267\u884c<strong> ping 202.1.1.10 <\/strong>\u547d\u4ee4\uff0c\u8fd9\u6b21\u4f7f\u7528<strong>-c <\/strong>\u53c2\u6570\uff0c\u53ea\u53d1\u9001\u4e00\u4e2a ping \u62a5\u6587<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25e3795f5.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757584252166-2855bc86-bb06-4017-b470-6efc8c61945e.png\" \/><\/p>\n<p>GE0\/0\/1 \u6293\u5305\u4fe1\u606f\u5982\u4e0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25e699473.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757584271827-c92f3b09-e498-4eeb-a9c5-25a40e8e5fe6.png\" \/><\/p>\n<p>\u7ecf\u8fc7\u5206\u6790\u53d1\u73b0\uff0c\u62a5\u6587\u7684 TTL \u503c\u9010\u4e00\u9012\u51cf\uff0c\u76f4\u5230\u53d8\u4e3a 1\uff0cTTL \u662f\u62a5\u6587\u7684\u751f\u5b58\u65f6\u95f4\uff0c\u6bcf\u7ecf\u8fc7\u4e00\u53f0\u8bbe\u5907\u7684\u8f6c\u53d1\uff0cTTL \u7684\u503c\u51cf 1\uff0c\u5f53\u4e3a 0 \u65f6\uff0c\u5c31\u4f1a\u88ab\u8bbe\u5907\u4e22\u5f03\u3002<\/p>\n<p>\u8fd9\u8bf4\u660e\u516c\u7f51 PC \u4e3b\u52a8\u8bbf\u95ee NAT \u5730\u5740\u6c60\u5730\u5740\u7684\u62a5\u6587\u5728\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e4b\u95f4\u76f8\u4e92\u8f6c\u53d1\uff0c\u76f4\u5230 TTL \u53d8\u6210 0 \u540e\uff0c\u88ab\u6700\u540e\u6536\u5230\u8be5\u62a5\u6587\u7684\u90a3\u53f0\u8bbe\u5907\u4e22\u5f03<\/p>\n<p><strong>\u8fc7\u7a0b\u68b3\u7406\uff1a<\/strong><\/p>\n<p><strong>\u00b71\u00b7<\/strong>\u8def\u7531\u5668\u6536\u5230\u516c\u7f51 PC \u8bbf\u95ee NAT \u5730\u5740\u6c60\u5730\u5740\u7684\u62a5\u6587\u540e\uff0c\u53d1\u73b0\u76ee\u7684\u5730\u5740\u4e0d\u662f\u81ea\u5df1\u7684\u76f4\u8fde\u7f51\u6bb5\uff0c\u56e0\u6b64\u67e5\u627e\u5f55\u97f3\uff0c\u53d1\u9001\u5230\u9632\u706b\u5899\u3002<\/p>\n<p><strong>\u00b72\u00b7<\/strong>\u9632\u706b\u5899\u6536\u5230\u62a5\u6587\u540e\uff0c\u8be5\u62a5\u6587\u4e0d\u5c5e\u4e8e\u79c1\u7f51\u8bbf\u95ee\u516c\u7f51\u5230\u56de\u7a0b\u62a5\u6587\uff0c\u65e0\u6cd5\u5339\u914d\u5230\u4f1a\u8bdd\u8868\uff0c\u540c\u65f6\u76ee\u7684\u5730\u5740\u4e5f\u4e0d\u662f\u81ea\u5df1\u7684\u76f4\u8fde\u7f51\u6bb5\uff08\u9632\u706b\u5899\u6ca1\u6709\u610f\u8bc6\u5230\u8be5\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u662f\u81ea\u5df1\u7684 NAT \u5730\u5740\u6c60\u5730\u5740\uff09\u53ea\u80fd\u6839\u636e\u7f3a\u7701\u8def\u7531\u6765\u8f6c\u53d1\uff0c\u56e0\u4e3a\u62a5\u6587\u4ece\u540c\u4e00\u63a5\u53e3\u5165\u548c\u51fa\uff0c\u76f8\u5f53\u4e8e\u5728\u540c\u4e00\u4e2a\u5b89\u5168\u533a\u57df\u6d41\u52a8\uff0c\u7f3a\u7701\u60c5\u51b5\u4e0b\u4e5f\u4e0d\u53d7\u5b89\u5168\u7b56\u7565\u63a7\u5236\uff0c\u5c31\u8fd9\u6837\u62a5\u6587\u53c8\u4ece GE0\/0\/1 \u63a5\u53e3\u9001\u51fa\u53bb<\/p>\n<p><strong>\u00b73\u00b7<\/strong>\u8def\u7531\u5668\u6536\u5230\u62a5\u6587\u540e\uff0c\u67e5\u627e\u5f55\u97f3\uff0c\u8fd8\u662f\u53d1\u9001\u9632\u706b\u5899\uff0c\u5982\u6b64\u53cd\u590d<\/p>\n<p>\u4e0b\u9762\u770b\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\u7684\u60c5\u51b5\uff0c\u9996\u5148\u5728\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u4e00\u6761\u76ee\u7684\u5730\u5740\u662f NAT \u5730\u5740\u6c60\u5730\u5740\u7684\u9ed1\u6d1e\u8def\u7531\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u6761\u8def\u7531\u5f71\u54cd\u5176\u4ed6\u4e1a\u52a1\uff0c\u5c06\u63a9\u7801\u6210 32 \u4f4d\uff0c\u7cbe\u786e\u5339\u914d 202.1.1.10 \u8fd9\u4e2a\u5730\u5740\uff1a<\/p>\n<p><code>[FW]ip route-static 202.1.10 32 NULL 0<\/code><\/p>\n<p>\u7136\u540e\u5728\u9632\u706b\u5899 GE0\/0\/1 \u63a5\u53e3\u4e0a\u5f00\u542f\u6293\u5305\uff0c\u5728\u516c\u7f51 PC \u4e0a\u6267\u884c<strong> ping 202.1.1.10 -c 1<\/strong> \u547d\u4ee4\uff0c\u8fd8\u662f\u53ea\u53d1\u9001\u4e00\u4e2a ping \u62a5\u6587\uff0c\u67e5\u770b\u6293\u5305\u4fe1\u606f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25ea6ecbf.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757584799082-3fe4269f-7f12-4cca-ace2-f9cc80cb0e1f.png\" \/><\/p>\n<p>\u53ea\u6293\u5230\u4e00\u4e2a ICMP \u62a5\u6587\uff0c\u8bf4\u660e\u9632\u706b\u5899\u6536\u5230\u8def\u7531\u5668\u53d1\u9001\u8fc7\u6765\u7684\u62a5\u6587\u540e\uff0c\u5339\u914d\u5230\u4e86\u9ed1\u6d1e\u8def\u7531\uff0c\u76f4\u63a5\u5c06\u62a5\u6587\u4e22\u5f03\u4e86\uff0c\u6b64\u65f6\u5c31\u4e0d\u4f1a\u5728\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e4b\u95f4\u4ea7\u751f\u8def\u7531\u73af\u8def\uff0c\u5373\u4f7f\u9632\u706b\u5899\u6536\u5230\u518d\u591a\u7684\u540c\u7c7b\u62a5\u6587\uff0c\u90fd\u4f1a\u9001\u5230\u9ed1\u6d1e\u4e2d\u3002\u5e76\u4e14\u8fd9\u6761\u9ed1\u6d1e\u8def\u7531\u4e0d\u4f1a\u5f71\u54cd\u6b63\u5e38\u4e1a\u52a1\uff0c\u79c1\u7f51 PC \u8fd8\u662f\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee\u516c\u7f51 Server<\/p>\n<p>\u5f53\u9632\u706b\u5899\u4e0a NAT \u5730\u5740\u6c60\u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\u65f6\uff0c\u5fc5\u987b\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\uff0c\u907f\u514d\u5728\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e4b\u95f4\u4ea7\u751f\u8def\u7531\u73af\u8def<\/p>\n<p>\u90a3\u4e48\u5982\u679c NAT \u5730\u5740\u6c60\u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\u65f6\uff0c\u8fd8\u4f1a\u6709\u8fd9\u4e2a\u95ee\u9898\u5417\uff1f<\/p>\n<p>\u5c06\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e92\u8054\u7684\u4e24\u4e2a\u63a5\u53e3\u7684\u63a9\u7801\u4fee\u6539\u4e3a 24 \u4f4d\uff0c\u8fd9\u6837\u63a5\u53e3\u5730\u5740\u548c NAT \u5730\u5740\u6c60\u5730\u5740\u5c31\u5728\u540c\u4e00\u7f51\u6bb5\u4e86\uff0c\u7136\u540e\u53bb\u6389\u9ed1\u6d1e\u8def\u7531\u7684\u914d\u7f6e\uff0c\u5728\u9632\u706b\u5899 GE0\/0\/1 \u63a5\u53e3\u6293\u5305\uff0c\u5728\u516c\u7f51 PC \u6267\u884c <strong>ping 202.1.1.10 -c 1<\/strong> \u547d\u4ee4 \u67e5\u770b\u6293\u5305\u4fe1\u606f<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25ed8e904.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757639783664-19a0254e-c4c4-408a-8418-8ad2650154ea.png\" \/><\/p>\n<p>\u53ea\u6293\u5230\u4e86\u4e09\u4e2a ARP \u62a5\u6587\u548c\u4e00\u4e2a ICMP \u62a5\u6587\uff0c\u516c\u7f51 PC \u8bbf\u95ee NAT \u5730\u5740\u6c60\u5730\u5740\u7684\u62a5\u6587\u6ca1\u6709\u5728\u9632\u706b\u5899\u548c\u8def\u7531\u4e4b\u95f4\u76f8\u4e92\u8f6c\u53d1<\/p>\n<p><strong>\u68b3\u7406\u8fc7\u7a0b\uff1a<\/strong><\/p>\n<p><strong>\u00b71\u00b7<\/strong>\u8def\u7531\u5668\u6536\u5230\u516c\u7f51 PC \u8bbf\u95ee NAT \u5730\u5740\u6c60\u5730\u5740\u7684\u62a5\u6587\u540e\uff0c\u53d1\u73b0\u76ee\u7684\u5730\u5740\u5c5e\u4e8e\u81ea\u5df1\u7684\u76f4\u8fde\u7f51\u6bb5\uff0c\u53d1\u9001 ARP \u8bf7\u6c42\uff0c\u9632\u706b\u5899\u4f1a\u56de\u5e94\u8fd9\u4e2a ARP \u8bf7\u6c42\uff0c\u524d\u4e24\u4e2a ARP \u62a5\u6587\u5c31\u662f\u6765\u5b8c\u6210\u4e86\u8fd9\u4e00\u4ea4\u4e92\u8fc7\u7a0b\u7684\uff0c\u7136\u540e\u8def\u7531\u5668\u4f7f\u7528\u9632\u706b\u5899\u544a\u77e5 1MAC \u5730\u5740\u5c01\u88c5\u62a5\u6587\uff0c\u53d1\u9001\u81f3\u9632\u706b\u5899<\/p>\n<p><strong>\u00b72\u00b7<\/strong>\u9632\u706b\u5899\u6536\u5230\u62a5\u6587\u540e\uff0c\u53d1\u73b0\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u548c\u81ea\u5df1\u7684 GE0\/0\/1 \u63a5\u53e3\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u76f4\u63a5\u53d1\u9001 ARP \u8bf7\u6c42\u62a5\u6587\uff08\u7b2c\u4e09\u4e2a ARP \u62a5\u6587\uff09\u5bfb\u627e\u8be5\u5730\u5740\u7684 MAC \u5730\u5740\uff08\u9632\u706b\u5899\u4f9d\u7136\u6ca1\u6709\u610f\u8bc6\u5230\u8be5\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u662f\u81ea\u5df1\u7684 NAT \u5730\u5740\u6c60\u5730\u5740\uff09\u4f46\u662f\u7f51\u7edc\u4e2d\u5176\u4ed6\u8bbe\u5907\u90fd\u6ca1\u6709\u914d\u7f6e\u8fd9\u4e2a\u5730\u5740\uff0c\u80af\u5b9a\u5c31\u4e0d\u4f1a\u56de\u5e94\uff0c\u6700\u7ec8\u9632\u706b\u5899\u5c06\u62a5\u6587\u4e22\u5f03<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4e0d\u4f1a\u4ea7\u751f\u8def\u7531\u73af\u8def\uff0c\u4f46\u662f\u5982\u679c\u516c\u7f51\u4e0a\u7684\u4e0d\u6cd5\u5206\u5b50\u53d1\u8d77\u5927\u91cf\u8bbf\u95ee\u65f6\uff0c\u9632\u706b\u5899\u5c06\u53d1\u9001\u5927\u91cf ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u6d88\u8017\u7cfb\u7edf\u8d44\u6e90\uff0c\u6240\u4ee5\u5f53\u9632\u706b\u5899\u4e0a NAT \u5730\u5740\u6c60\u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\u65f6\uff0c\u5efa\u8bae\u4e5f\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\uff0c\u907f\u514d\u9632\u706b\u5899\u53d1\u9001 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u8282\u7701\u9632\u706b\u5899\u7cfb\u7edf\u8d44\u6e90<\/p>\n<p>\u4e0b\u9762\u662f\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\u540e\u7684\u6293\u5305\u4fe1\u606f\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u9632\u706b\u5899\u6ca1\u6709\u518d\u53d1\u9001 ARP \u8bf7\u6c42\u62a5\u6587<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25f0146e3.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757640404004-c28af3ed-65b6-4a23-8bc3-779d5296bf2a.png\" \/><\/p>\n<p>\u53e6\u4e00\u79cd\u6781\u7aef\u60c5\u51b5\uff0c\u5728\u914d\u7f6e\u6e90 NAT \u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u628a\u516c\u7f51\u63a5\u53e3\u5730\u5740\u4f5c\u4e3a\u8f6c\u6362\u540e\u5730\u5740\uff08easy-ip \u65b9\u5f0f\uff09\u4e5f\u53ef\u4ee5\u628a\u516c\u7f51\u63a5\u53e3\u5730\u5740\u914d\u7f6e\u6210\u5730\u5740\u6c60\u5730\u5740\uff0c\u8fd9\u6837 NAT \u8f6c\u6362\u4f7f\u7528\u7684\u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5c31\u662f\u540c\u4e00\u4e2a\u5730\u5740\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\u5417\uff1f<\/p>\n<p>\u9632\u706b\u5899\u6536\u5230\u516c\u7f51 PC \u7684\u62a5\u6587\u540e\uff0c\u53d1\u73b0\u662f\u8bbf\u95ee\u81ea\u8eab\u7684\u62a5\u6587\uff0c\u8fd9\u5c31\u53d6\u51b3\u4e8e\u516c\u7f51\u63a5\u53e3\u6240\u5c5e\u5b89\u5168\u533a\u57df\u548c local \u5b89\u5168\u533a\u57df\u4e4b\u95f4\u7684\u5b89\u5168\u7b56\u7565\uff0c\u5b89\u5168\u7b56\u7565\u5141\u8bb8\u901a\u8fc7\u5c31\u5904\u7406\uff0c\u5b89\u5168\u7b56\u7565\u4e0d\u5141\u8bb8\u901a\u8fc7\u5c31\u4e22\u5f03\uff0c\u4e0d\u4f1a\u4ea7\u751f\u8def\u7531\u73af\u8def\uff0c\u4e5f\u4e0d\u9700\u8981\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/p>\n<p>NAT Server \u4e5f\u5b58\u5728\u8def\u7531\u73af\u8def\u95ee\u9898\uff0c\u4e0d\u8fc7\u524d\u63d0\u6761\u4ef6\u8f83\u4e3a\u7279\u6b8a\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u5178\u578b\u7684 NAT Server \u7ec4\u7f51\u73af\u5883<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25f2c117a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757640590598-5b29e15c-f103-4f71-b5c5-df906ac00887.png\" \/><\/p>\n<p>\u5982\u679c\u6211\u4eec\u5728\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u4e86\u4e00\u6761\u7c97\u72b7\u578b\u7684 NAT Server\uff0c\u5c06\u79c1\u7f51 Server \u5168\u90e8\u53d1\u5e03\u5230\u516c\u7f51\uff0c\u5982<\/p>\n<p><code>[FW]nat server global 202.1.1.20 inside 192.168.0.20<\/code><\/p>\n<p>\u516c\u7f51 PC \u8bbf\u95ee 202.1.1.20 \u7684\u62a5\u6587\uff0c\u76ee\u7684\u5730\u5740\u90fd\u4f1a\u88ab\u8f6c\u6362\u6210 192.168.0.20\uff0c\u7136\u540e\u53d1\u9001\u7ed9\u79c1\u7f51 Server\uff0c\u8fd9\u4e2a\u65f6\u5019\u81ea\u7136\u4e0d\u4f1a\u4ea7\u751f\u8def\u7531\u73af\u8def<\/p>\n<p>\u5982\u679c\u914d\u7f6e\u4e00\u6761\u7cbe\u7ec6\u5316 NAT Server \u53ea\u628a\u7279\u5b9a\u7aef\u53e3\u53d1\u5e03\u5230\u516c\u7f51\uff0c\u5982\uff1a<\/p>\n<p><code>[FW]nat server protocol tcp 202.1.1.20 80 inside 192.168.0.20 80<\/code><\/p>\n<p>\u6b64\u65f6\u5982\u679c\u516c\u7f51 PC \u4e0d\u6309\u5e38\u7406\u51fa\u724c\uff0c\u6ca1\u6709\u8bbf\u95ee 202.1.1.20 \u7684 80 \u7aef\u53e3\uff0c\u800c\u662f\u4f7f\u7528 ping \u547d\u4ee4\u8bbf\u95ee 202.1.1.20\uff0c\u9632\u706b\u5899\u6536\u5230\u8be5\u62a5\u6587\u540e\uff0c\u65e2\u65e0\u6cd5\u5339\u914d Server-map \u8868\uff0c\u4e5f\u65e0\u6cd5\u5339\u914d\u4f1a\u8bdd\u8868\uff0c\u5c31\u53ea\u80fd\u67e5\u627e\u8def\u7531\u8f6c\u53d1\uff0c\u4ece GE0\/0\/1 \u63a5\u53e3\u9001\u51fa\u53bb\uff0c\u800c\u8def\u7531\u5668\u6536\u5230\u62a5\u6587\u540e\uff0c\u8fd8\u662f\u8981\u9001\u5230\u9632\u706b\u5899\uff0c\u8fd9\u6837\u4f9d\u7136\u4f1a\u4ea7\u751f\u8def\u7531\u73af\u8def<img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25f67fd9f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757640982802-2792b1be-4d38-414e-bee4-2b2b80de5b25.png\" \/><\/p>\n<p>\u5f53\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u4e86\u7279\u5b9a\u534f\u8bae\u548c\u7aef\u53e3\u7684 NAT Server \u5e76\u4e14 NAT Server \u7684 Global \u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\u65f6\uff0c\u5fc5\u987b\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\uff0c\u907f\u514d\u5728\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e4b\u95f4\u4ea7\u751f\u8def\u7531\u73af\u8def<\/p>\n<p>\u5982\u679c NAT Server \u7684 Global \u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u9632\u706b\u5899\u6536\u5230\u516c\u7f51 PC \u7684 ping \u62a5\u6587\u540e\uff0c\u4f1a\u53d1\u9001 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u548c\u524d\u9762\u8bb2\u8fc7\u7684 NAT \u60c5\u51b5\u662f\u4e00\u6837\u7684\uff0c\u5f53\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u4e86\u7279\u5b9a\u534f\u8bae\u548c\u7aef\u53e3\u7684 NAT Server \u5e76\u4e14 NAT Server \u7684 Global \u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\u65f6\uff0c\u5efa\u8bae\u4e5f\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\uff0c\u907f\u514d\u9632\u706b\u5899\u53d1\u9001 ARP \u8bf7\u6c42\u62a5\u6587\uff0c\u8282\u7701\u9632\u706b\u5899\u7684\u7cfb\u7edf\u8d44\u6e90<\/p>\n<p>\u540c\u6837\uff0c\u6211\u4eec\u914d\u7f6e NAT Server \u65f6\uff0c\u4e5f\u53ef\u4ee5\u628a\u516c\u7f51\u63a5\u53e3\u5730\u5740\u914d\u7f6e\u6210 Global \u5730\u5740\uff0c\u6b64\u65f6\u9632\u706b\u5899\u6536\u5230\u516c\u7f51 PC \u7684\u62a5\u6587\u540e\uff0c\u5982\u679c\u80fd\u5339\u914d\u4e0a Server-map \u8868\uff0c\u5c31\u8f6c\u6362\u76ee\u7684\u5730\u5740\uff0c\u8f6c\u53d1\u5230\u79c1\u7f51\uff0c\u5982\u679c\u4e0d\u80fd\u5339\u914d\u4e0a Server-map \u8868\uff0c\u5c31\u4f1a\u8ba4\u4e3a\u662f\u8bbf\u95ee\u81ea\u8eab\u7684\u62a5\u6587\uff0c\u7531\u516c\u7f51\u63a5\u53e3\u6240\u5c5e\u5b89\u5168\u533a\u57df\u548c local \u5b89\u5168\u533a\u57df\u4e4b\u95f4\u7684\u5b89\u5168\u7b56\u7565\u51b3\u5b9a\u5982\u4f55\u5904\u7406\uff0c\u4e0d\u4f1a\u4ea7\u751f\u8def\u7531\u73af\u8def\uff0c\u4e5f\u4e0d\u9700\u8981\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p><strong>\u5bf9\u4e8e\u6e90 NAT<\/strong><\/p>\n<p><strong>\u00b7<\/strong>\u5982\u679c NAT \u5730\u5740\u6c60\u5730\u5740\u4e0e\u516c\u7f51\u63a5\u53e3\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u5fc5\u987b\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/p>\n<p><strong>\u00b7<\/strong>\u5982\u679c NAT \u5730\u5740\u6c60\u5730\u5740\u4e0e\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u5efa\u8bae\u4e5f\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/p>\n<p><strong>\u5bf9\u4e8e\u914d\u7f6e\u7279\u5b9a\u534f\u8bae\u548c\u7aef\u53e3\u7684 NAT Server <\/strong><\/p>\n<p><strong>\u00b7<\/strong>\u5982\u679c NAT Server \u7684 Global \u5730\u5740\u4e0e\u516c\u7f51\u63a5\u53e3\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u5fc5\u987b\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/p>\n<p><strong>\u00b7<\/strong>\u5982\u679c NAT Server \u7684 Global \u5730\u5740\u4e0e\u516c\u7f51\u63a5\u53e3\u5730\u5740\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u5efa\u8bae\u4e5f\u914d\u7f6e\u9ed1\u6d1e\u8def\u7531<\/p>\n<p>:::tips<br \/>\n\u9664\u4e86\u9632\u6b62\u8def\u7531\u73af\u8def\u3001\u8282\u7701\u8bbe\u5907\u7684\u7cfb\u7edf\u8d44\u6e90\uff0c\u5176\u5b9e\u9ed1\u6d1e\u8def\u7531\u8fd8\u6709\u4e00\u4e2a\u4f5c\u7528\uff0c\u90a3\u5c31\u662f\u5728\u9632\u706b\u5899\u4e0a \u5f15\u5165\u5230 OSPF \u4e2d\uff0c\u53d1\u5e03\u7ed9\u8def\u7531\u5668\u3002 \u6211\u4eec\u77e5\u9053\uff0c\u5f53 NAT \u5730\u5740\u6c60\u5730\u5740\u6216 NAT Server \u7684 Global \u5730\u5740\u4e0e\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e92\u8054\u63a5\u53e3\u7684\u5730 \u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\u65f6\uff0c\u9700\u8981\u5728\u8def\u7531\u5668\u4e0a\u914d\u7f6e\u5230 NAT \u5730\u5740\u6c60\u5730\u5740\u6216 NAT Server \u7684 Global \u5730\u5740\u7684 \u9759\u6001\u8def\u7531\uff0c\u4fdd\u8bc1\u8def\u7531\u5668\u53ef\u4ee5\u628a\u53bb\u5f80 NAT \u5730\u5740\u6c60\u5730\u5740\u6216 NAT Server \u7684 Global \u5730\u5740\u7684\u62a5\u6587\u53d1\u9001 \u5230\u9632\u706b\u5899\u3002 \u5982\u679c\u9632\u706b\u5899\u548c\u8def\u7531\u5668\u4e4b\u95f4\u8fd0\u884c OSPF \u534f\u8bae\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u901a\u8fc7 OSPF \u534f\u8bae\u6765\u5b66\u4e60\u8def\u7531\uff0c\u51cf\u5c11\u624b \u52a8\u914d\u7f6e\u7684\u5de5\u4f5c\u91cf\u3002\u4f46\u662f NAT \u5730\u5740\u6c60\u5730\u5740\u548c NAT Server \u7684 Global \u5730\u5740\u4e0d\u540c\u4e8e\u63a5\u53e3\u5730\u5740\uff0c\u65e0\u6cd5 \u5728 OSPF \u4e2d\u901a\u8fc7 network \u7684\u65b9\u5f0f\u53d1\u5e03\u51fa\u53bb\uff0c\u90a3\u4e48\u8def\u7531\u5668\u5982\u4f55\u624d\u80fd\u5b66\u4e60\u5230\u8def\u7531\u5462\uff1f \u6b64\u65f6\u5c31\u53ef\u4ee5\u901a\u8fc7\u5728\u9632\u706b\u5899\u7684 OSPF \u4e2d\u5f15\u5165\u9759\u6001\u8def\u7531\u7684\u65b9\u5f0f\uff0c\u628a\u9ed1\u6d1e\u8def\u7531\u5f15\u5165\u5230 OSPF \u4e2d\uff0c\u7136 \u540e\u901a\u8fc7 OSPF \u53d1\u5e03\u7ed9\u8def\u7531\u5668\u3002\u8fd9\u6837\uff0c\u8def\u7531\u5668\u5c31\u77e5\u9053\u4e86\u53bb\u5f80 NAT \u5730\u5740\u6c60\u5730\u5740\u6216 NAT Server \u7684 Global \u5730\u5740\u7684\u62a5\u6587\u90fd\u8981\u53d1\u9001\u5230\u9632\u706b\u5899\u4e0a\uff08\u6ce8\u610f\uff0c\u662f\u53d1\u9001\u5230\u9632\u706b\u5899\uff0c\u800c\u4e0d\u662f\u53d1\u9001\u5230\u9ed1\u6d1e\u4e2d\uff09\u3002 \u4ee5 NAT Server \u7684\u7ec4\u7f51\u4e3a\u4f8b\uff0cNAT Server \u7684 Global \u5730\u5740\u548c\u516c\u7f51\u63a5\u53e3\u5730\u5740\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\uff0c\u9632\u706b \u5899\u548c\u8def\u7531\u5668\u90fd\u8fd0\u884c OSPF \u534f\u8bae\uff0c\u5728\u9632\u706b\u5899\u4e0a\u7684 OSPF \u4e2d\u5f15\u5165\u9759\u6001\u8def\u7531\uff1a  <\/p>\n<p>:::<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">#\nospf 100\nimport-route static\narea 0.0.0.0\n network 202.1.1.0 0.0.0.3\n#<\/code><\/pre>\n<p>:::tips<br \/>\n\u8fd9\u65f6\u8def\u7531\u5668\u5c31\u53ef\u4ee5\u5b66\u4e60\u5230\u53bb\u5f80 NAT Server \u7684 Global \u5730\u5740\u7684\u8def\u7531\uff1a <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25fad8767.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757641507660-f0530f2b-8733-4387-ab21-7fe892002f2f.png\" \/> <\/p>\n<p>:::<\/p>\n<h1>VPN \u6280\u672f\u7b80\u4ecb<\/h1>\n<p>VPN \u6307\u5728\u516c\u7f51\u4e0a\u5efa\u7acb\u4e00\u4e2a\u79c1\u6709\u3001\u4e13\u7528\u3001\u865a\u62df\u901a\u4fe1\u7f51\u7edc\uff0c\u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d VPN \u5e7f\u6cdb\u5e94\u7528\u4e8e\u5206\u652f\u673a\u6784\u548c\u51fa\u5dee\u5458\u5de5\u8fde\u63a5\u516c\u53f8\u603b\u90e8\u7f51\u7edc\uff0cVPN \u7f51\u7edc\u548c VON \u6280\u672f\u901a\u5e38\u662f\u5982\u4f55\u5206\u7c7b\u5462\uff1f<\/p>\n<p><strong>\u6839\u636e\u5efa\u8bbe\u5355\u4f4d\u4e0d\u540c\u5206\u7c7b<\/strong><\/p>\n<p>\u8fd9\u79cd\u5206\u7c7b\u6839\u636e VPN \u7f51\u7edc\u7aef\u70b9\u8bbe\u5907\uff08\u5173\u952e\u8bbe\u5907\uff09\u7531\u8fd0\u8425\u5546\u63d0\u4f9b\uff0c\u8fd8\u662f\u7531\u4f01\u4e1a\u81ea\u5df1\u63d0\u4f9b\u6765\u5212\u5206<\/p>\n<p>\u79df\u7528\u8fd0\u8425\u5546 VPN \u4e13\u7ebf\u642d\u5efa\u4f01\u4e1a VPN \u7f51\u7edc\uff1a<\/p>\n<p>\u76ee\u524d\u4e3b\u8981\u6307\u79df\u7528\u8fd0\u8425\u5546 MPLS VPN \u4e13\u7ebf\u6bd4\u5982\u8054\u901a\u3001\u7535\u4fe1\u90fd\u63d0\u4f9b MPLS VPN \u4e13\u7ebf\u670d\u52a1\u3002\u8ddf\u4f20\u7edf\u7684\u79df\u7528\u4f20\u8f93\u4e13\u7ebf\uff08\u5982\u79df\u7528 E1\u3001SDH \u4e13\u7ebf\uff09\u76f8\u6bd4\uff0cMPLS VPN \u4e13\u7ebf\u7684\u4f18\u52bf\u4e3b\u8981\u5728\u4e8e\u7ebf\u8def\u79df\u7528\u6210\u672c\u4f4e<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25fcf10e1.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757642620757-62bc6778-a8cc-471b-93fc-2a08743b10b7.png\" \/><\/p>\n<p>\u7528\u6237\u81ea\u5efa\u4f01\u4e1a VPN \u7f51\u7edc\uff1a<\/p>\n<p>\u76ee\u524d\u6700\u5e38\u7528\u7684\u5c31\u662f\u57fa\u4e8e Internet \u5efa\u7acb\u4f01\u4e1a VPN \u7f51\u7edc\uff0c\u5177\u4f53\u6280\u672f\u5305\u62ec GRE\u3001L2TP\u3001IPSec\u3001SSL VPN \u7b49\u3002\u8fd9\u79cd\u65b9\u6848\u4f01\u4e1a\u53ea\u9700\u8981\u652f\u4ed8\u8bbe\u5907\u8d2d\u4e70\u8d39\u7528\u548c\u4e0a\u7f51\u8d39\u7528\uff0c\u6ca1\u6709 VPN \u4e13\u7ebf\u79df\u7528\u8d39\u7528\uff1b\u53e6\u5916\u4f01\u4e1a\u5728\u7f51\u7edc\u63a7\u5236\u65b9\u9762\u6709\u66f4\u591a\u4e3b\u52a8\u6743\uff0c\u66f4\u65b9\u4fbf\u4f01\u4e1a\u8fdb\u884c\u7f51\u7edc\u8c03\u6574<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff25fef2bf8.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757642733462-00944f57-2eb9-435d-9e49-c78cdde62146.png\" \/><\/p>\n<p><strong>\u6839\u636e\u7ec4\u7f51\u65b9\u5f0f\u4e0d\u540c\u5206\u7c7b<\/strong><\/p>\n<p>\u8fdc\u7a0b\u8bbf\u95ee VPN\uff1a<\/p>\n<p>\u9002\u5408\u51fa\u5dee\u5458\u5de5 VPN \u62e8\u53f7\u63a5\u5165\u7684\u573a\u666f\uff0c\u5458\u5de5\u53ef\u4ee5\u5728\u4efb\u4f55\u80fd\u591f\u63a5\u5165\u516c\u7f51\u7684\u5730\u65b9\uff0c\u901a\u8fc7\u8fdc\u7a0b\u62e8\u53f7\u63a5\u5165\u4f01\u4e1a\u5185\u7f51\uff0c\u4ece\u800c\u8bbf\u95ee\u5185\u7f51\u8d44\u6e90\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff260128256.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757642883967-37428ed8-1674-42c3-b2c0-3b85425c2415.png\" \/><\/p>\n<p>\u5c40\u57df\u7f51\u5230\u5c40\u57df\u7f51\u7684 VPN\uff1a<\/p>\n<p>\u5b83\u9002\u7528\u4e8e\u516c\u53f8\u4e24\u4e2a\u5f02\u5730\u673a\u6784\u7684\u5c40\u57df\u7f51\u4e92\u8fde<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26031eeb5.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757642890911-1012e9cf-7622-483e-8147-8f9582340b75.png\" \/><\/p>\n<p><strong>\u6839\u636e\u5e94\u7528\u573a\u666f\u4e0d\u540c\u5206\u7c7b<\/strong><\/p>\n<p>\u8fdc\u7a0b\u8bbf\u95ee VPN\uff1a<\/p>\n<p>Access VPN \u9762\u5411\u51fa\u5dee\u5458\u5de5\uff0c\u5141\u8bb8\u51fa\u5dee\u5458\u5de5\u8de8\u8d8a\u516c\u7528\u7f51\u7edc\u8fdc\u7a0b\u63a5\u5165\u516c\u53f8\u5185\u90e8\u7f51\u7edc<\/p>\n<p>Intranet VPN\uff08\u4f01\u4e1a\u5185\u90e8\u865a\u62df\u4e13\u7f51\uff09\uff1a<\/p>\n<p>Intranet VPN \u901a\u8fc7\u516c\u7528\u7f51\u7edc\u8fdb\u884c\u4f01\u4e1a\u5185\u90e8\u5404\u4e2a\u7f51\u7edc\u7684\u4e92\u8fde<\/p>\n<p>Extranet VPN\uff08\u6269\u5c55\u7684\u4f01\u4e1a\u5185\u90e8\u865a\u62df\u4e13\u7f51\uff09\uff1a<\/p>\n<p>Extranet VPN \u662f\u6307\u5229\u7528 VPN \u5c06\u4f01\u4e1a\u7f51\u5ef6\u7533<\/p>\n<p>\u81f3\u5408\u4f5c\u4f19\u4f34\u5904\uff0c\u4f7f\u4e0d\u540c\u4f01\u4e1a\u901a\u8fc7\u516c\u7f51\u6784\u7b51 VPN\u3002Intranet VPN \u548c Extranet VPN \u7684\u4e0d\u540c\u70b9\u5728\u4e8e\u8bbf\u95ee\u516c\u53f8\u603b\u90e8\u7f51\u7edc\u8d44\u6e90\u7684\u6743\u9650\u6709\u533a\u522b<\/p>\n<p><strong>\u6309\u7167 VPN \u6280\u672f\u5b9e\u73b0\u7684\u7f51\u7edc\u5c42\u6b21\u8fdb\u884c\u5206\u7c7b<\/strong><\/p>\n<p>\u57fa\u4e8e\u6570\u636e\u94fe\u8def\u5c42\u7684 VPN\uff1a<\/p>\n<p>L2TP\u3001L2F\u3001PPTP \u5176\u4e2d L2F \u548c PPTP \u5df2\u7ecf\u57fa\u672c\u4e0a\u88ab L2TP \u66ff\u4ee3\u4e86<\/p>\n<p>\u57fa\u4e8e\u7f51\u7edc\u5c42\u7684 VPN\uff1a<\/p>\n<p>GRE\u3001IPSec<\/p>\n<p>\u57fa\u4e8e\u5e94\u7528\u5c42\u7684 VPN\uff1a<\/p>\n<p>SSL<\/p>\n<p>\u57fa\u4e8e Internet \u7684 VPN \u6280\u672f\u6709\u4e00\u4e2a\u5171\u540c\u70b9\u5c31\u662f\u5fc5\u987b\u89e3\u51b3 VPN \u7f51\u7edc\u7684\u5b89\u5168\u95ee\u9898\uff1a<\/p>\n<p>\u51fa\u5dee\u5458\u5de5\u5730\u7406\u4f4d\u7f6e\u4e0d\u56fa\u5b9a\uff0c\u6240\u5904\u4f4d\u7f6e\u4e0d\u53d7\u4f01\u4e1a\u5176\u4ed6\u4fe1\u606f\u5b89\u5168\u63aa\u65bd\u4fdd\u62a4\uff0c\u9700\u8981\u5bf9\u51fa\u5dee\u5458\u5de5\u8fdb\u884c\u4e25\u683c\u7684\u63a5\u5165\u8ba4\u8bc1\uff0c\u5e76\u4e14\u5bf9\u5176\u53ef\u4ee5\u8bbf\u95ee\u7684\u8d44\u6e90\u548c\u6743\u9650\u8fdb\u884c\u7cbe\u786e\u63a7\u5236\uff0c\u63a5\u5165\u8ba4\u8bc1\u6d89\u53ca\u8eab\u4efd\u8ba4\u8bc1\u6280\u672f<\/p>\n<p>\u5408\u4f5c\u4f19\u4f34\u9700\u8981\u6839\u636e\u4e1a\u52a1\u5f00\u5c55\u60c5\u51b5\uff0c\u7075\u6d3b\u6388\u6743\uff0c\u9650\u5236\u5408\u4f5c\u4f19\u4f34\u53ef\u4ee5\u8bbf\u95ee\u7684\u7f51\u7edc\u8303\u56f4\uff0c\u53ef\u4ee5\u4f20\u8f93\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6b64\u65f6\u63a8\u8350\u5bf9\u5408\u4f5c\u4f19\u4f34\u8fdb\u884c\u8eab\u4efd\u8ba4\u8bc1\uff0c\u901a\u8fc7\u7b56\u7565\u914d\u7f6e\u5bf9\u6743\u9650\u9650\u5236<\/p>\n<p>\u53e6\u5916\u4ee5\u4e0a\u8fd9\u4e9b\u5728\u6570\u636e\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u90fd\u5fc5\u987b\u662f\u5b89\u5168\u7684\uff0c\u8bbe\u8ba1\u6570\u636e\u52a0\u5bc6\u548c\u6570\u636e\u9a8c\u8bc1\u6280\u672f<\/p>\n<h2>VPN \u51e0\u4e2a\u5173\u952e\u6280\u672f\u70b9<\/h2>\n<p><strong>\u96a7\u9053\u6280\u672f<\/strong><\/p>\n<p>\u96a7\u9053\u6280\u672f\u662f VPN \u7684\u57fa\u672c\u6280\u672f\uff0c\u7c7b\u4f3c\u70b9\u5230\u70b9\u8fde\u63a5\u6280\u672f\uff0c\u57fa\u672c\u8fc7\u7a0b\u5c31\u662f\u5728\u6570\u636e\u8fdb\u5165\u6e90 VPN \u7f51\u5173\u540e\uff0c\u5c06\u6570\u636e\u201c\u5c01\u88c5\u201d\u540e\u901a\u8fc7\u516c\u53f8\u4f20\u8f93\u5230\u76ee\u7684 VPN \u7f51\u5173\u540e\u518d\u5bf9\u6570\u636e\u201c\u89e3\u5c01\u88c5\u201d\u3002\u201c\u5c01\u88c5\/\u89e3\u5c01\u88c5\u201d\u8fc7\u7a0b\u672c\u8eab\u5c31\u53ef\u4ee5\u4e3a\u539f\u59cb\u62a5\u6587\u63d0\u4f9b\u5b89\u5168\u9632\u62a4\u529f\u80fd\uff0c\u6240\u4ee5\u88ab\u5c01\u88c5\u7684\u6570\u636e\u5305\u5728\u4e92\u8054\u7f51\u4e0a\u4f20\u9012\u65f6\u6240\u7ecf\u8fc7\u7684\u903b\u8f91\u8def\u5f84\u88ab\u79f0\u4e3a\u201c\u96a7\u9053\u201d\u4e0d\u540c\u7684 VPN \u6280\u672f\u5c01\u88c5\/\u89e3\u5c01\u88c5\u7684\u8fc7\u7a0b\u5b8c\u5168\u4e0d\u540c<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26053037c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757646345942-69d45104-6b8e-442e-8b9a-f293ae9a0084.png\" \/><\/p>\n<p><strong>\u8eab\u4efd\u8ba4\u8bc1\u6280\u672f<\/strong><\/p>\n<p>\u4e3b\u8981\u7528\u4e8e\u79fb\u52a8\u529e\u516c\u7684\u7528\u6237\u8fdc\u7a0b\u63a5\u5165\u7684\u60c5\u51b5\uff0c\u901a\u8fc7\u5bf9\u7528\u6237\u7684\u8eab\u4efd\u8fdb\u884c\u8ba4\u8bc1\uff0c\u786e\u4fdd\u63a5\u5165\u5185\u90e8\u7f51\u7edc\u7684\u7528\u6237\u662f\u5408\u6cd5\u7528\u6237\uff0c\u800c\u975e\u6076\u610f\u7528\u6237\u3002<\/p>\n<p>\u4e0d\u540c\u7684 VPN \u6280\u672f\u80fd\u63d0\u4f9b\u7684\u7528\u6237\u8eab\u4efd\u8ba4\u8bc1\u65b9\u6cd5\u4e0d\u540c\uff1a<\/p>\n<p>GRE \u4e0d\u652f\u6301\u8eab\u4efd\u8ba4\u8bc1\u6280\u672f<\/p>\n<p>L2TP \u4f9d\u8d56 PPP \u63d0\u4f9b\u7684\u8ba4\u8bc1\uff08CHAP\u3001PAP\u3001EAP\uff09\u63a5\u5165\u7528\u6237\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u672c\u5730\u8ba4\u8bc1\u4e5f\u53ef\u4ee5\u901a\u8fc7 EADIUS \u670d\u52a1\u5668\u8ba4\u8bc1\uff0c\u8ba4\u8bc1\u901a\u8fc7\u4ee5\u540e\u518d\u7ed9\u7528\u6237\u5206\u914d\u5185\u90e8 IP \u5730\u5740\uff0c\u901a\u8fc7\u6b64 IP \u5730\u5740\u5bf9\u7528\u6237\u8fdb\u884c\u6388\u6743\u548c\u7ba1\u7406<\/p>\n<p>IPSec \u901a\u8fc7 IKEv2 \u62e8\u53f7\u65f6\uff0c\u652f\u6301\u8fdb\u884c EAP \u8ba4\u8bc1\uff0c\u63a5\u5165\u7528\u6237\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u53ef\u4ee5\u672c\u5730\u8ba4\u8bc1\u53ef\u4ee5\u901a\u8fc7 RADIUS \u670d\u52a1\u5668\u8ba4\u8bc1\uff0c\u8ba4\u8bc1\u901a\u8fc7\u4ee5\u540e\u518d\u7ed9\u7528\u6237\u5206\u914d\u5185\u90e8\u7684 IP \u5730\u5740\uff0c\u901a\u8fc7\u6b64 IP \u5730\u5740\u5bf9\u7528\u6237\u8fdb\u884c\u6388\u6743\u548c\u7ba1\u7406\uff0c\u53e6\u5916 IPSec \u8fd8\u652f\u6301\u6570\u636e\u6e90\u8ba4\u8bc1<\/p>\n<p>SSL VPN\uff1a\u652f\u6301\u672c\u5730\u8ba4\u8bc1\uff0c\u8bc1\u4e66\u8ba4\u8bc1\u548c\u670d\u52a1\u5668\u8ba4\u8bc1\uff0c\u4e3b\u8981\u662f\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u8eab\u4efd\u66f2\u513f\uff0c\u66f2\u513f Web \u7f51\u9875\u7684\u5408\u6cd5\u6027<\/p>\n<p><strong>\u52a0\u5bc6\u6280\u672f<\/strong><\/p>\n<p>\u52a0\u5bc6\u6280\u672f\u5c31\u662f\u628a\u80fd\u8bfb\u61c2\u7684\u62a5\u6587\u53d8\u6210\u65e0\u6cd5\u8bfb\u61c2\u7684\u62a5\u6587\uff0c\u5373\u660e\u6587-&gt;\u5bc6\u6587\uff0c\u8fd9\u6837\u5373\u4fbf\u9ed1\u5ba2\u83b7\u53d6\u62a5\u6587\u4e5f\u65e0\u6cd5\u77e5\u9053\u771f\u5b9e\u542b\u4e49\uff0c\u52a0\u5bc6\u5bf9\u8c61\u6709\u6570\u636e\u62a5\u6587\u548c\u534f\u8bae\u62a5\u6587\uff0c\u80fd\u5b9e\u73b0\u4e24\u79cd\u62a5\u6587\u90fd\u52a0\u5bc6\u7684\u5b89\u5168\u534f\u8bae\u5b89\u5168\u7cfb\u6570\u66f4\u9ad8\u3002<\/p>\n<p>GRE \u548c L2TP \u534f\u8bae\u672c\u8eab\u4e0d\u63d0\u4f9b\u52a0\u5bc6\u6280\u672f\uff0c\u6240\u4ee5\u901a\u5e38\u7ed3\u5408 IPSe \u534f\u8bae\u4e00\u8d77\u4f7f\u7528\uff0c\u4f7f\u7528 IPSec \u7684\u52a0\u5bc6\u6280\u672f<\/p>\n<p>IPSec\uff1a\u652f\u6301\u6570\u636e\u62a5\u6587\u548c\u534f\u8bae\u62a5\u6587\u52a0\u5bc6\uff0cIPSec \u4e00\u822c\u91c7\u7528\u5bf9\u79f0\u5bc6\u94a5\u7b97\u6cd5\u52a0\u5bc6\u6570\u636e\uff0c\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u91c7\u7528\u76f8\u540c\u7684\u5bc6\u94a5\u52a0\u5bc6\u548c\u89e3\u5bc6\u6570\u636e<\/p>\n<p>\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\u793a\u610f\u56fe<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26073bbcf.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757646725104-5359a473-a705-4ea5-9fd1-419c7c2dda46.png\" \/><\/p>\n<p>SSL VPN\uff1a\u652f\u6301\u5bf9\u6570\u636e\u8fdb\u884c\u5b8c\u6574\u6027\u9a8c\u8bc1\u548c\u6570\u636e\u6e90\u9a8c\u8bc1\u3002SSL VPN \u91c7\u7528\u516c\u94a5\u4f53\u5236\uff0c\u5229\u7528 Hash \u7b97\u6cd5\u751f\u6210\u6458\u8981\uff0c\u518d\u7528\u79c1\u94a5\u52a0\u5bc6\u6458\u8981\u751f\u6210\u6570\u5b57\u7b7e\u540d\u3002\u5229\u7528\u516c\u94a5\u89e3\u5bc6\uff0c\u5229\u7528\u516c\u94a5\u548c\u79c1\u94a5\u7684\u4e00\u4e00\u5173\u7cfb\u53ef\u4ee5\u5bf9\u6570\u636e\u6e90\u8fdb\u884c\u8ba4\u8bc1<\/p>\n<p>\u603b\u7ed3\u4e00\u4e0b GRE\u3001L2TP\u3001IPSec \u548c SSL VPN \u5e38\u7528\u5b89\u5168\u6280\u672f\u548c\u4f7f\u7528\u573a\u666f\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26096caef.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757658350114-19149ca8-8046-4904-a1bc-77b0df673978.png\" \/><\/p>\n<h2>GRE<\/h2>\n<p>\u80cc\u666f\uff1a\u65e9\u5e74\u4e92\u8054\u7f51\u6ca1\u6709\u8fd9\u9879\u6280\u672f\u65f6\uff0c\u88ab Internet \u4e92\u8054\u7684\u79c1\u6709\u7f51\u7edc\u9762\u4e34\u4ee5\u4e0b\u51e0\u4e2a\u75db\u82e6<\/p>\n<p><strong>\u79c1\u6709 IP \u7f51\u7edc\u4e4b\u95f4\u65e0\u6cd5\u76f4\u63a5\u901a\u8fc7 Internet \u4e92\u901a<\/strong><\/p>\n<p>\u79c1\u6709\u7f51\u7edc\u4e2d\u90fd\u662f\u79c1\u6709\u5730\u5740\uff0c\u800c\u5728 Internet \u4e0a\u4f20\u8f93\u7684\u62a5\u6587\u5fc5\u987b\u4f7f\u7528\u516c\u7f51\u5730\u5740<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff260c4ee3d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757658551098-1ea7a0dc-8210-4e05-9020-6931d106a197.png\" \/><\/p>\n<p><strong>\u5f02\u79cd\u7f51\u7edc\uff08IPX\u3001AppleTalk\uff09\u4e4b\u95f4\u65e0\u6cd5\u901a\u8fc7 Internet \u76f4\u63a5\u8fdb\u884c\u901a\u4fe1<\/strong><\/p>\n<p>IPX \u548c IP \u672c\u5c31\u4e0d\u662f\u4e00\u79cd\u7f51\u7edc\u534f\u8bae\uff0c\u56e0\u6b64 IP \u7f51\u7edc\u4e0d\u8f6c\u53d1 IPX \u62a5\u6587<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff260f07b07.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757658619994-b2a88cf2-0944-4168-80fb-aa70dc916fdb.png\" \/><\/p>\n<p><strong>\u79c1\u7f51\u4e4b\u95f4\u90e8\u7f72\u7684\u52a8\u6001\u8def\u7531\u65e0\u6cd5\u8de8\u8d8a Internet<\/strong><\/p>\n<p>1994 \u5e74 GRE \u534f\u8bae\u51fa\u73b0 \u88ab IETF \u7eb3\u5165\u540e RFC \u6807\u53f7\u4e3a RFC1701 \u548c RFC1702<\/p>\n<p>GRE\uff08General Routing Encapsulation\uff09\u901a\u7528\u8def\u7531\u5c01\u88c5\u534f\u8bae\uff0cGRE \u7528\u7684\u5c31\u662f\u5f53\u4e0b\u6d41\u884c\u7684\u201c\u9a6c\u7532\u201c\u6280\u672f\uff0c\u65e2\u7136\u79c1\u6709\u7f51\u7edc\u53d1\u51fa\u7684\u62a5\u6587\u56e0\u4e3a\u79cd\u79cd\u539f\u56e0\u4e0d\u80fd\u5728 Internet \u4e0a\u4f20\u8f93\uff0c\u90a3\u4e48\u7ed9\u8fd9\u4e9b\u62a5\u6587\u7a7f\u4e0a Internet \u8bc6\u522b\u7684\u201d\u9a6c\u7532\u201c\uff08GRE \u5c01\u88c5\uff09\u518d\u8ba9\u5b83\u5728 Internet \u4e0a\u4f20\u8f93\uff0c\u5bf9\u4e8e Internet \u800c\u8a00\uff0c\u5b83\u53ea\u8ba4\u201d\u9a6c\u7532\u201c\u4e0d\u8ba4\u4eba\uff0c\u8fd9\u79cd\u201d\u9a6c\u7532\u201c\u6280\u672f\u5728\u7f51\u7edc\u4e2d\u5c31\u53eb\u5c01\u88c5<\/p>\n<p>\u4efb\u4f55\u4e00\u79cd\u7f51\u7edc\u5c01\u88c5\u6280\u672f\u5176\u57fa\u672c\u7684\u6784\u6210\u8981\u7d20\u90fd\u53ef\u4ee5\u5206\u4e3a 3 \u4e2a\u90e8\u5206\uff1a\u4e58\u5ba2\u534f\u8bae\u3001\u5c01\u88c5\u534f\u8bae\u3001\u8fd0\u8f93\u534f\u8bae<\/p>\n<p><strong>\u4e58\u5ba2\u534f\u8bae<\/strong><\/p>\n<p>\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\uff0c\u7528\u90ae\u653f\u7cfb\u7edf\u6253\u6bd4\u65b9\uff0c\u4e58\u5ba2\u534f\u8bae\u5c31\u662f\u6211\u4eec\u81ea\u5df1\u5199\u7684\u4fe1\uff0c\u4fe1\u7684\u8bed\u8a00\u53ef\u4ee5\u662f\u4efb\u4f55\u8bed\u8a00\uff0c\u5177\u4f53\u7531\u5199\u4fe1\u4eba\u548c\u8bfb\u4fe1\u4eba\u81ea\u5df1\u8d1f\u8d23\u3002<\/p>\n<p><strong>\u5c01\u88c5\u534f\u8bae<\/strong><\/p>\n<p>\u5c01\u88c5\u534f\u8bae\u53ef\u4ee5\u7406\u89e3\u4e3a\u4fe1\u5c01\uff0c\u53ef\u80fd\u662f\u5e73\u4fe1\u3001\u6302\u53f7\u6216\u8005 EMS\uff0c\u5bf9\u5e94\u591a\u79cd\u5c01\u88c5\u534f\u8bae<\/p>\n<p><strong>\u8fd0\u8f93\u534f\u8bae<\/strong><\/p>\n<p>\u5373\u4fe1\u7684\u8fd0\u8f93\u65b9\u5f0f\uff0c\u53ef\u4ee5\u9646\u8fd0\uff0c\u6d77\u8fd0\u6216\u8005\u7a7a\u8fd0\uff0c\u5bf9\u5e94\u4e0d\u540c\u7684\u8fd0\u8f93\u534f\u8bae\u3002<\/p>\n<p>\u518d\u6765\u770b\u770b GRE \u7528\u5230\u54ea\u4e9b\u534f\u8bae<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26111c83d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757659163248-fe8f310f-f3cd-4cdc-b88c-3d932253c1c0.png\" \/><\/p>\n<p>GRE \u80fd\u591f\u627f\u8f7d\u7684\u534f\u8bae\u5305\u62ec IP \u534f\u8bae\u3001IPX \u534f\u8bae\u3001GRE \u6240\u4f7f\u7528\u7684\u8fd0\u8f93\u534f\u8bae\u662f IP \u534f\u8bae<\/p>\n<p>GRE \u7684\u5c01\u88c5\u8fc7\u7a0b\u53ef\u4ee5\u5206\u4e3a\u4e24\u6b65\uff1a\u7b2c\u4e00\u6b65\u662f\u5728\u79c1\u6709\u6570\u636e\u6dfb\u52a0 GRE \u5934\uff1b\u7b2c\u4e8c\u6b65\u662f\u5728 GRE \u5934\u524d\u9762\u52a0\u4e0a\u65b0\u7684 IP \u5934\u3002\u52a0\u4e0a\u65b0\u7684 IP \u5934\u4ee5\u540e\u5c31\u610f\u5473\u8fd9\u4e2a\u79c1\u6709\u7f51\u7edc\u7684\u62a5\u6587\u5728\u7ecf\u8fc7\u5c42\u5c42\u5c01\u88c5\u4ee5\u540e\u5c31\u53ef\u4ee5\u5728 Internet \u4e0a\u4f20\u8f93\u4e86\u3002<\/p>\n<p>\u4e0a\u8ff0\u5c01\u88c5\u64cd\u4f5c\u662f\u901a\u8fc7\u4e00\u4e2a\u903b\u8f91\u63a5\u53e3\u6765\u5b9e\u73b0\u7684\uff0c\u8fd9\u4e2a\u903b\u8f91\u63a5\u53e3\u5c31\u662f Tunnel \u63a5\u53e3\uff08\u96a7\u9053\uff09\u7531\u4e8e Tunnel \u63a5\u53e3\u662f\u4e00\u4e2a\u901a\u7528\u7684\u96a7\u9053\u63a5\u53e3\uff0c\u6240\u4ee5 GRE \u534f\u8bae\u5728\u4f7f\u7528\u8fd9\u4e2a\u63a5\u53e3\u7684\u65f6\u5019\uff0c\u4f1a\u8981\u6c42\u5c06\u8fd9\u4e2a\u63a5\u53e3\u7684\u5c01\u88c5\u534f\u8bae\u8bbe\u7f6e\u4e3a GRE \u534f\u8bae<\/p>\n<p>\u4e0b\u9762\u5c06\u7ed3\u5408 Tunnel \u63a5\u53e3\u4ecb\u7ecd\u4e00\u4e0b\u9632\u706b\u5899\u5bf9 GRE \u6d41\u91cf\u7684\u8f6c\u53d1\u8fc7\u7a0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26131b015.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757659591856-2d064ed0-a5d6-4574-9d1b-a04976d181c9.png\" \/><\/p>\n<p><strong>\u00b71\u00b7<\/strong>\u4f01\u4e1a\u7684\u79c1\u7f51\u6d41\u91cf\u5230\u8fbe\u9632\u706b\u5899\u7684\u5165\u63a5\u53e3\uff0c\u9632\u706b\u5899\u67e5\u8be2\u8def\u7531\u8868\u5bf9\u6b64\u6d41\u91cf\u8fdb\u884c\u8f6c\u53d1<\/p>\n<p><strong>\u00b72\u00b7<\/strong>\u9632\u706b\u5899\u6839\u636e\u8def\u7531\u67e5\u627e\u7ed3\u679c\uff0c\u5c06\u6b64\u6d41\u91cf\u5f15\u5bfc\u5230 Tunnel \u63a5\u53e3\u8fdb\u884c GRE \u5c01\u88c5<\/p>\n<p><strong>\u00b73\u00b7<\/strong>\u5c01\u88c5\u540e\u7684 GRE \u62a5\u6587\u518d\u6b21\u67e5\u627e\u8def\u7531\u8fdb\u884c\u6d41\u91cf\u8f6c\u53d1<\/p>\n<p><strong>\u00b74\u00b7<\/strong>\u9632\u706b\u5899\u6839\u636e\u8def\u7531\u67e5\u627e\u7ed3\u679c\uff0c\u627e\u5230\u51fa\u63a5\u53e3\uff0c\u5e76\u5c06\u6d41\u91cf\u53d1\u9001\u5230 Internet<\/p>\n<p>\u90a3\u96a7\u9053\u5bf9\u7aef\u662f\u5982\u4f55\u89e3\u5c01\u88c5\u5462\uff1f<\/p>\n<p><strong>\u9996\u5148<\/strong>\u5728\u96a7\u9053\u5bf9\u7aef\u63a5\u6536\u5230\u62a5\u6587\u4ee5\u540e\uff0c\u5148\u6839\u636e\u62a5\u6587\u76ee\u7684\u5730\u5740\u5224\u65ad\u662f\u4e0d\u662f\u53d1\u7ed9\u81ea\u5df1\u7684\uff0c\u5728\u660e\u786e\u662f\u53d1\u7ed9\u81ea\u5df1\u7684\u540e\uff0c<strong>\u518d<\/strong>\u53bb\u5224\u65ad\u8fd9\u4e2a\u62a5\u6587\u662f\u4e0d\u662f GRE \u62a5\u6587\uff0c\u5728\u5c01\u88c5\u539f\u7406\u90a3\u5e45\u56fe\u53ef\u4ee5\u770b\u5230\u5c01\u88c5\u540e\u7684 GRE \u62a5\u6587\u4f1a\u7531\u4e00\u4e2a\u65b0\u7684 IP \u5934\uff0c\u8fd9\u4e2a\u65b0\u7684 IP \u5934\u4e2d\u6709\u4e2a Protocol \u5b57\u6bb5\uff0c\u5b57\u6bb5\u4e2d\u6807\u8bc6\u4e86\u5185\u5c42\u534f\u8bae\u7c7b\u578b\uff0c\u5982\u679c\u8fd9\u4e2a Protocol \u5b57\u6bb5\u662f 47\uff0c\u5c31\u8868\u793a\u8fd9\u4e2a\u62a5\u6587\u662f GRE \u62a5\u6587<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2615a6f0b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757659972860-0d42e058-d78b-40c3-9152-dbf4fa5335ed.png\" \/><\/p>\n<p><strong>GRE \u96a7\u9053\u7684\u914d\u7f6e<\/strong>\u53ef\u4ee5\u5206\u4e3a\u4e24\u4e2a\u6b65\u9aa4<\/p>\n<p><strong>\u00b71\u00b7<\/strong>\u914d\u7f6e Tunnel \u63a5\u53e3\u7684\u5c01\u88c5\u53c2\u6570\uff08\u914d\u7f6e\u6570\u636e\u4ee5 Firewall_A \u4e3a\u4f8b\uff09<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">interface Tunnel 1\nip address 1.1.1.1 24\ntunnel-protocol gre\nsource 202.38.167.1\ndestination 202.38.163.1 <\/code><\/pre>\n<p>\u9996\u5148\u8bbe\u7f6e Tunnel \u63a5\u53e3\u7684\u5c01\u88c5\u7c7b\u578b\u4e3a GRE\uff0c\u7136\u540e\u6307\u5b9a GRE \u96a7\u9053\u7684\u6e90\u548c\u76ee\u7684<\/p>\n<p>GRE \u96a7\u9053\u4e2d\u5bb9\u6613\u4ea7\u751f\u7591\u60d1\u7684\u5730\u65b9\u5728\u914d\u7f6e Tunnel \u63a5\u53e3\u7684 IP \u5730\u5740 \u90a3\u4e48<\/p>\n<p><strong>Tunnel \u63a5\u53e3\u7684 IP \u5730\u5740\u662f\u5426\u5fc5\u987b\u914d\u7f6e\uff1f<\/strong><\/p>\n<p><strong>\u96a7\u9053\u4e24\u7aef\u7684 Tunnel \u63a5\u53e3 IP \u5730\u5740\u662f\u5426\u6709\u6240\u5173\u8054\uff1f<\/strong><\/p>\n<p><strong>Tunnel \u63a5\u53e3\u4f7f\u7528\u7684\u662f\u516c\u7f51 IP \u5730\u5740\u8fd8\u662f\u79c1\u7f51 IP \u5730\u5740\uff1f<\/strong><\/p>\n<p>\u9996\u5148 Tunnel \u63a5\u53e3\u7684 IP \u5730\u5740\u5fc5\u987b\u914d\u7f6e\uff0c\u5982\u679c\u4e0d\u914d\u7f6e IP \u5730\u5740\uff0cTunnel \u63a5\u53e3\u5c31\u65e0\u6cd5 UP \u8d77\u6765\uff0c\u5176\u6b21\uff0c\u4ece GRE \u7684\u5c01\u88c5\u8fc7\u7a0b\u6765\u770b\uff0cTunnel \u63a5\u53e3\u7684 IP \u5730\u5740\u5e76\u6ca1\u6709\u53c2\u4e0e\u62a5\u6587\u5c01\u88c5\uff0c\u6240\u4ee5\u96a7\u9053\u4e24\u7aef\u7684 Tunnel \u63a5\u53e3\u6ca1\u6709\u4efb\u4f55\u5173\u8054\uff0c\u65e2\u7136 Tunnel \u63a5\u53e3\u4e0d\u53c2\u4e0e\u5c01\u88c5\uff0c\u6240\u4ee5\u914d\u7f6e\u6210\u79c1\u7f51\u5c31\u53ef\u4ee5\u4e86<\/p>\n<p><strong>\u914d\u7f6e\u8def\u7531\uff0c\u5c06\u8981\u8fdb\u884c GRE \u5c01\u88c5\u7684\u6d41\u91cf\u5f15\u5230 Tunnel \u63a5\u53e3<\/strong><\/p>\n<p>\u628a\u6d41\u91cf\u5f15\u5165\u5230 GRE \u96a7\u9053\u6709\u4e24\u79cd\u65b9\u6cd5\uff0c\u4e00\u79cd\u662f\u9759\u6001\u8def\u7531\uff0c\u4e00\u79cd\u662f\u52a8\u6001\u8def\u7531<\/p>\n<p><strong>\u9759\u6001\u8def\u7531\u914d\u7f6e<\/strong><\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">ip route-static 192.168.2.0 24 Tunnel 1<\/code><\/pre>\n<p><strong>\u52a8\u6001\u8def\u7531\u914d\u7f6e<\/strong><\/p>\n<p>\u5982\u679c\u79c1\u7f51\u5185\u90e8\u4f7f\u7528\u7684\u662f\u52a8\u6001\u8def\u7531\uff08\u5982 OSPF\uff09\u5219\u53ea\u8981\u628a\u79c1\u7f51\u5730\u5740\u548c Tunnel \u63a5\u53e3\u5730\u5740\u4e00\u8d77\u901a\u8fc7 OSPF \u53d1\u5e03\u51fa\u53bb<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">ospf 1\narea 0\nnetwork 1.1.1.0 0.0.0.255\nnetwork 192.168.2.0 0.0.0.255<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\u662f\uff0c\u5982\u679c\uff0cGRE \u96a7\u9053\u5bf9\u5e94\u7684\u516c\u7f51\u63a5\u53e3\u4e5f\u4f7f\u7528\u4e86 OSPF\uff0c\u90a3\u6211\u4eec\u5c31\u9700\u8981\u7528\u4e00\u4e2a\u65b0\u7684 OSPF \u8fdb\u7a0b\u6765\u53d1\u5e03\u79c1\u7f51\u5730\u5740\u548c Tunnel \u63a5\u53e3\u5730\u5740<\/p>\n<p>\u90a3\u4e48\u5047\u8bbe\u6709\u6076\u610f\u7528\u6237\u4f2a\u88c5\u53d1\u9001 GRE \u62a5\u6587\u600e\u4e48\u529e\u5462\uff1f<\/p>\n<p>\u9632\u706b\u5899\u914d\u7f6e\u4e86 GRE \u96a7\u9053\uff0c\u5e76\u4e0d\u662f\u8bf4\u9632\u706b\u5899\u6536\u5230\u6240\u6709\u7684 GRE \u62a5\u6587\u90fd\u4f1a\u8fdb\u884c\u5904\u7406\uff0c\u5b83\u53ea\u5904\u7406\u4e0e\u672c\u9632\u706b\u5899\u5efa\u7acb GRE \u96a7\u9053\u7684\u5bf9\u7aef\u8bbe\u5907\u53d1\u8fc7\u6765\u7684 GRE \u62a5\u6587\u3002\u5c31\u662f\u5efa\u7acb GRE \u96a7\u9053\u7684\u4e24\u53f0\u8bbe\u5907\u8981\u8bbe\u7f6e\u4e00\u4e2a\u201d\u5bc6\u94a5\u2018\uff0c\u8fd9\u4e2a\u5bc6\u94a5\u5c31\u662f\u8eab\u4efd\u51ed\u8bc1\uff0c\u5bc6\u94a5\u4fe1\u606f\u88ab\u5c01\u88c5\u5728 GRE \u62a5\u6587\u7684\u5934\u90e8\uff0c\u5f53\u4e00\u7aef\u6536\u5230\u4e00\u4e2a GRE \u62a5\u6587\u4ee5\u540e\uff0c\u90fd\u4f1a\u68c0\u67e5\u8be5\u5bc6\u94a5\uff0c\u53ea\u6709\u5bc6\u94a5\u4e00\u81f4\u65f6\uff0c\u624d\u8ba4\u4e3a\u662f\u96a7\u9053\u5bf9\u7aef\u53d1\u8fc7\u6765\u7684 GRE \u62a5\u6587\u3002\u201c\u8eab\u4efd\u6821\u9a8c\u201d\u4e0d\u901a\u8fc7\uff0c\u8be5 GRE \u62a5\u6587\u4f1a\u88ab\u4e22\u5f03<\/p>\n<p>\u53c2\u8003\u4e0b\u56fe<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26186aebd.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757660649828-dcf80da3-c08e-4409-a27b-aabd60c873ef.png\" \/><\/p>\n<p>\u5176\u4e2d GRE \u62a5\u6587\u5934\u4e2d Key \u5b57\u6bb5\u4e3a 1\uff0c\u8868\u793a\u7528\u6237\u8bbe\u7f6e\u4e86\u8eab\u4efd\u9a8c\u8bc1\u529f\u80fd\uff0c\u4e0b\u9762\u7684 GRE key\uff1a0x0001e240 \u662f\u7528\u6237\u914d\u7f6e\u7684\u5bc6\u94a5\u503c<\/p>\n<p>\u867d\u7136\u8eab\u4efd\u6821\u9a8c\u673a\u5236\u53ef\u4ee5\u4fdd\u8bc1 GRE \u96a7\u9053\u4e24\u7aef\u53ef\u4ee5\u5b9e\u73b0\u4e92\u4fe1\uff0c\u4f46\u662f\u5982\u679c\u62a5\u6587\u5728 Internet \u4f20\u8f93\u9014\u4e2d\u88ab\u5176\u4ed6\u7528\u6237\u6076\u610f\u7be1\u6539\uff0c\u53c8\u600e\u4e48\u529e\u5462\uff1f \u8fd9\u91cc\u53ef\u4ee5\u7528\u5230 GRE \u5934\u4e2d\u7684\u53e6\u4e00\u4e2a\u5b57\u6bb5 checksum\u3002GRE \u5c01\u88c5\u62a5\u6587\u65f6\uff0c\u4f1a\u6839\u636e\u62a5\u6587\u4fe1\u606f\u8ba1\u7b97\u6821\u9a8c\u548c\uff0c\u5e76\u5c06\u8fd9\u4e2a\u6821\u9a8c\u548c\u63d2\u5165\u5230 checksum \u5b57\u6bb5\u4e2d\u3002\u5f53\u96a7\u9053\u5bf9\u7aef\u6536\u5230\u8be5\u62a5\u6587\u65f6\uff0c\u5bf9\u7aef\u4e5f\u4f1a\u6839\u636e\u62a5\u6587\u4fe1\u606f\u8ba1\u7b97\u6821\u9a8c\u548c\uff0c\u5e76\u4e0e\u62a5\u6587\u4e2d\u643a\u5e26\u7684\u6821\u9a8c\u548c\u8fdb\u884c\u6bd4\u8f83\uff0c\u5982\u679c\u4e00\u81f4\uff0c\u5219\u63a5\u53d7\uff0c\u4e0d\u4e00\u81f4\u5219\u4e22\u5f03\uff0c\u53c2\u8003\u4e0b\u56fe<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff261cb3994.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757660840968-5c67132c-bcf4-404d-9346-cec5192381bf.png\" \/><\/p>\n<p>checksum \u4e3a 1\uff0c\u8868\u793a\u542f\u7528\u6821\u9a8c\u548c\u529f\u80fd\uff0c\u4e0b\u9762 checksum\uff1a0x6dbd \u662f\u6821\u9a8c\u548c\u5bf9\u5e94\u7684\u503c<\/p>\n<p>GRE \u7684\u5b89\u5168\u673a\u5236\u53ef\u4ee5\u5b9e\u73b0\u96a7\u9053\u4e24\u7aef\u7684\u4e92\u4fe1\uff0c\u5e76\u4fdd\u8bc1\u62a5\u6587\u4f20\u8f93\u7684\u5b8c\u6574\u6027<\/p>\n<p>\u4f46\u662f\u96a7\u9053\u5bf9\u7aef\u8bbe\u5907\u51fa\u73b0\u6545\u969c\uff0c\u672c\u7aef\u5982\u4f55\u611f\u77e5\u5462\uff1f<\/p>\n<p>GRE \u96a7\u9053\u662f\u65e0\u72b6\u6001\u7c7b\u578b\u96a7\u9053\uff0c\u65e0\u72b6\u6001\u5373\u96a7\u9053\u672c\u7aef\u5e76\u4e0d\u7ef4\u62a4\u4e0e\u5bf9\u7aef\u7684\u72b6\u6001\uff0c\u5047\u5982\u96a7\u9053\u5bf9\u7aef\u51fa\u73b0\u6545\u969c\uff0c\u90a3\u96a7\u9053\u672c\u7aef\u662f\u611f\u53d7\u4e0d\u5230\u7684\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cGRE \u96a7\u9053\u63d0\u4f9b\u4e86\u4e00\u79cd\u4fdd\u6d3b\u673a\u5236\uff08keepalive\uff09GRE \u96a7\u9053\u5bf9\u7aef\u51fa\u73b0\u95ee\u9898\uff0c\u5219\u96a7\u9053\u6e90\u7684 Tunnel \u63a5\u53e3\u72b6\u6001\u4f1a\u88ab\u7f6e\u4e3a Down\uff0c\u5373\u672c\u7aef\u5173\u95ed GRE \u96a7\u9053\uff0c\u907f\u514d\u4e86\u56e0\u5bf9\u7aef\u4e0d\u53ef\u8fbe\u800c\u9020\u6210\u7684\u6570\u636e\u9ed1\u6d1e\uff0cGRE \u7684 Keepalive \u529f\u80fd\u662f\u5355\u5411\u7684\uff0c\u5bf9\u7aef\u662f\u5426\u652f\u6301\u6216\u542f\u7528 Keepalive \u529f\u80fd\u4e0d\u5f71\u54cd\u672c\u7aef\u7684 Keepalive \u529f\u80fd\uff0c\u5b9e\u9645\u914d\u7f6e\u65f6\uff0c\u5efa\u8bae\u4e24\u8fb9\u90fd\u914d\u7f6e\u4fdd\u6d3b\u529f\u80fd\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26228761d.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757661097061-9a3f3e1a-d5d2-482e-a7a3-6c6e305a1a00.png\" \/><\/p>\n<p>GRE \u6280\u672f\u4e0d\u5e26\u6709\u5b89\u5168\u52a0\u5bc6\u529f\u80fd\uff0c\u6ca1\u6709\u52a0\u5bc6\u529f\u80fd\u7684 GRE \u62a5\u6587\u53ea\u80fd\u8bf4\u662f\u7a7f\u4e86\u900f\u660e\u7684\u9a6c\u7532\uff0c\u6240\u8981\u4f20\u8f93\u7684\u6570\u636e\u6bd4\u5c14\u770b\u5f97\u6e05\u6e05\u695a\u695a\uff0c\u6240\u4ee5\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\u5f88\u5c11\u5355\u7eaf\u4f7f\u7528 GRE\uff0c\u800c\u662f\u7ecf\u5e38\u4e0e IPSec \u6280\u672f\u8054\u7528\uff0c\u7531\u4e8e IPSec \u6280\u672f\u5177\u5907\u5f88\u5f3a\u7684\u52a0\u5bc6\u529f\u80fd\uff0c\u89e3\u51b3\u4e86 GRE \u7684\u5b89\u5168\u6027\u95ee\u9898\uff0c\u4e5f\u5c31\u662f\u7ecf\u5e38\u542c\u5230\u7684 GRE over IPSec \u6280\u672f<\/p>\n<p>\u5c31\u662f\u5728 GRE \u5c06\u62a5\u6587\u5c01\u88c5\u540e\u518d\u7ecf\u8fc7 IPSec \u5c01\u88c5<\/p>\n<h2>L2TP VPN<\/h2>\n<p><strong>\u8bde\u751f\u53ca\u6f14\u8fdb<\/strong><\/p>\n<p>\u5728\u4f20\u7edf\u7684\u57fa\u4e8e PSTN\/ISDN \u7684 L2TP VPN \u4e2d\uff0c\u8fd0\u8425\u5546\u5728 PSTN\/ISDN \u548c IP \u7f51\u7edc\u4e4b\u95f4\u90e8\u7f72 LAC \uff08\u5728 VPDN \u91cc\u79f0\u4e3a NAS\uff0cNetwork Access Server\uff09\uff0c\u96c6\u4e2d\u4e3a\u591a\u4e2a\u4f01\u4e1a\u7528\u6237\u63d0\u4f9b L2TP VPN \u4e13 \u7ebf\u670d\u52a1\uff0c\u914d\u5957\u63d0\u4f9b\u8ba4\u8bc1\u548c\u8ba1\u8d39\u529f\u80fd\u3002\u5f53\u5206\u652f\u673a\u6784\u548c\u51fa\u5dee\u5458\u5de5\u62e8\u6253 L2TP VPN \u4e13\u7528\u63a5\u5165\u53f7\u65f6\uff0c \u63a5\u5165 modem \u901a\u8fc7 PPP \u534f\u8bae\u4e0e LAC \u5efa\u7acb PPP \u4f1a\u8bdd\uff0c\u540c\u65f6\u542f\u52a8\u8ba4\u8bc1\u548c\u8ba1\u8d39\u3002\u8ba4\u8bc1\u901a\u8fc7\u540e LAC \u5411 LNS \u53d1\u8d77 L2TP \u96a7\u9053\u548c\u4f1a\u8bdd\u534f\u5546\uff0c\u4f01\u4e1a\u603b\u90e8\u7684 LNS \u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c\u518d\u6b21\u8ba4\u8bc1\u63a5\u5165\u7528\u6237\u8eab \u4efd\uff0c\u8ba4\u8bc1\u901a\u8fc7\u540e\u5206\u652f\u673a\u6784\u548c\u51fa\u5dee\u5458\u5de5\u5c31\u53ef\u4ee5\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc\u4e86<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff262712bab.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757669817300-0d4cd749-7410-4af6-84e5-2952f08ea024.png\" \/><\/p>\n<blockquote>\n<p>LAC \u548c LNS \u662f L2TP \u534f\u8bae\u91cc\u7684\u6982\u5ff5\uff0cNAS \u662f VPDN \u91cc\u7684\u6982\u5ff5\uff0c\u5728 L2TP VPN \u4e2d LAC \u5b9e\u9645\u5c31\u662f NAS\u3002<\/p>\n<p>\u968f\u7740 IP \u7f51\u7edc\u7684\u666e\u53ca\uff0cPSTN\/ISDN \u7f51\u7edc\u9010\u6e10\u9000\u51fa\u6570\u636e\u901a\u4fe1\u9886\u57df\uff0c\u4e2a\u4eba\u548c\u4f01\u4e1a\u90fd\u53ef\u4ee5\u81ea\u7531\u901a\u8fc7\u4ee5\u592a\u7f51\u76f4\u63a5\u63a5\u5165 Internet\uff0c\u6b64\u65f6 L2TP VPN \u4e5f\u5f00\u59cb\u5411\u524d\u53d1\u5c55<\/p>\n<\/blockquote>\n<p>\u73b0 L2TP VPN \u5e38\u7528\u573a\u666f\u5982\u4e0b\u56fe\uff1b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff262a5070b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757899086724-0932efc2-102a-4b15-a315-77772dcb51ba.png\" \/><\/p>\n<p><strong>L2TP VPN \u7684\u53d1\u5c55<\/strong><\/p>\n<p><strong>\u7b2c\u4e00\u6b65\uff1a<\/strong>PPP \u843d\u6237\u4ee5\u592a\u7f51\uff0c\u62e8\u53f7\u7f51\u7edc\u5411\u4ee5\u592a\u7f51\u6f14\u8fdb\u7684\u5fc5\u7ecf\u4e4b\u8def\uff0c\u4e0d\u662f\u4e13\u95e8\u4e3a\u4e86 L2TP VPN \u8bbe\u8ba1\uff0c\u4f46 L2TP VPN \u662f\u6700\u5927\u53d7\u76ca\u8005\uff0c\u5206\u652f \u673a\u6784\u7528\u6237\u5b89\u88c5 PPPoE Client\uff0c\u5728\u4ee5\u592a\u7f51\u4e0a\u51fa\u53d1 PPPoE \u62e8\u53f7\uff0c\u5728 PPPoEClient \u548c LAC\uff08PPPoE Server\uff09\u4e4b\u95f4\u5efa\u7acb PPPoE \u4f1a\u8bdd\uff0cLAC \u548c LNS \u4e4b\u95f4\u7684 L2TP VPN \u5efa\u7acb\u8fc7\u7a0b\u6ca1\u6709\u53d8\u5316<\/p>\n<p><strong>\u7b2c\u4e8c\u6b65\uff1a<\/strong>L2TP \u5ef6\u4f38\u5230\u7528\u6237 PC\uff1a\u8fd9\u79cd\u573a\u666f\u4e0b\uff0cPC \u53ef\u4ee5\u901a\u8fc7\u7cfb\u7edf\u81ea\u5e26\u7684 L2TP \u5ba2\u6237\u7aef\u6216\u7b2c\u4e09\u65b9 L2TP \u5ba2\u6237\u7aef\u8f6f\u4ef6\u76f4\u63a5\u62e8\u53f7\u4e0e LNS \u5efa\u7acb L2TP VPN\u3002L2TP Client \u6452\u5f03 LAC \u76f4\u63a5\u8ddf\u603b\u90e8\u76f4\u63a5\u5efa\u7acb\u5408\u4f5c\u5173\u7cfb<\/p>\n<p>\u8fd9\u4e24\u79cd\u573a\u666f\u8ddf\u521d\u59cb L2TP VPN \u573a\u666f\u76f8\u6bd4\u6709\u4e00\u4e2a\u5171\u540c\u7279\u5f81\uff0c\u5c31\u662f\u4f01\u4e1a\u501f\u7528\u8fd0\u8425\u5546\u7ba1\u9053\u81ea\u5efa VPN\uff0c\u907f\u5f00\u4e86\u8fd0\u8425\u5546 VPN \u4e13\u7ebf\u4e1a\u52a1\u6536\u8d39\u3002<\/p>\n<p>\u4e3a\u4e86<strong>\u533a\u5206\u8fd9\u4e24\u79cd L2TP VPN <\/strong><\/p>\n<p><strong>\u524d\u8005\uff08\u57fa\u4e8e LAC \u62e8\u53f7\u7684 L2TP VPN\uff09\u88ab\u79f0\u4e3a NAS-Initiated VPN<\/strong><\/p>\n<p><strong>\u540e\u8005\uff08\u5ba2\u6237\u7aef\u76f4\u63a5\u62e8\u53f7\u7684 VPN\uff09\u88ab\u79f0\u4e3a Client-Initiated VPN<\/strong><\/p>\n<h3>L2TP Client-Initiated VPN<\/h3>\n<p>\u5982\u4eca\u6700\u5e38\u89c1\u7684\u662f PPPoE \u5ba2\u6237\u7aef\uff0c\u5176\u6b21\u662f VPN \u5ba2\u6237\u7aef\uff0cVPN \u5ba2\u6237\u7aef\u7684\u4f5c\u7528\u5c31\u662f\u5e2e\u52a9\u7528\u6237\u5728 PC \u6216 PAD \u6216\u624b\u673a\u4e0a\u51fa\u53d1\u5efa\u7acb\u4e00\u6761\u76f4\u901a\u516c\u53f8\u603b\u90e8\u7f51\u7edc\u7684\u96a7\u9053\uff0c\u5b9e\u73b0\u7528\u6237\u81ea\u7531\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc\u7684\u533b\u9662\uff0c\u5f53\u7136\u7528\u6237\u80fd\u8f7b\u677e\u8fdb\u5165\u96a7\u9053\u4e5f\u5fc5\u987b\u53ef\u4ee5\u81ea\u7531\u79bb\u5f00\u96a7\u9053\u5207\u6362\u5230\u76f4\u63a5\u8bbf\u95ee Internet<\/p>\n<p>\u8981\u501f\u52a9 L2TP \u5ba2\u6237\u7aef\u8fdb\u5165\u516c\u53f8\u7f51\u7edc\uff0c\u9996\u5148\u8981\u901a\u8fc7 LNS \u7684\u8eab\u4efd\u68c0\u67e5\uff08\u7528\u6237\u540d\uff0c\u5bc6\u7801\uff0c\u4e3b\u673a\u540d\uff0c\u96a7\u9053\u9a8c\u8bc1\u7b49\u7b49\uff09LNS \u4e3a\u901a\u8fc7\u9a8c\u8bc1\u7684\u7528\u6237\u53d1\u653e\u7279\u522b\u901a\u884c\u8bc1\uff08\u516c\u53f8\u5185\u90e8 IP \u5730\u5740\uff09Client-Initiated VPN \u914d\u7f6e\u4e2d\u4f53\u73b0\u7684\u601d\u8def\u5982\u4e0b\uff1a<\/p>\n<p>\u672c\u5730\u8ba4\u8bc1\u914d\u7f6e\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>L2TP Client<\/th>\n<th>LNS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5bf9\u7aef IP \u5730\u5740<br \/>\u767b\u5f55\u7528\u6237\uff08PPP \u7528\u6237\uff09\u540d\u79f0<br \/>\u767b\u5f55\u7528\u6237\uff08PPP \u7528\u6237\uff09\u5bc6\u7801<br \/>\u4e3b\u673a\u540d\u79f0\uff08\u53ef\u9009\uff0c\u4e5f\u53eb\u96a7\u9053\u540d\u79f0\uff09<br \/>PPP \u8ba4\u8bc1\u6a21\u5f0f\uff08PAP\/CHAP\/EAP\uff0c\u6709\u4e9b\u5ba2\u6237\u7aef\u9ed8\u8ba4 CHAP\uff09<br \/>\u96a7\u9053\u9a8c\u8bc1\uff08\u53ef\u9009\uff0c\u6709\u4e9b\u5ba2\u6237\u7aef\u4e0d\u652f\u6301\uff09<br \/>*\u524d\u4e09\u9879\u4e3a\u5fc5\u914d\u5185\u5bb9\uff0c\u540e\u4e09\u9879\u53ef\u80fd\u4f1a\u56e0\u5ba2\u6237\u7aef\u4e0d\u540c\u6709\u53d6\u820d<\/td>\n<td>l2tp enable<br \/> l2tp domain suffix-separator @ <br \/>interface LoopBack0 <br \/>ip address 192.168.5.1 255.255.255.0 <br \/>interface Virtual-Template1 <br \/>ppp authentication-mode chap <br \/>ip address unnumbered <br \/>interface LoopBack0 <br \/>remote address pool l2tp-group 1 <br \/>undo tunnel authentication <br \/>allow l2tp virtual-template 1 remote client1 \/\/\u6307\u5b9a VT \u63a5 \u53e3\u548c\u5bf9\u7aef\u4e3b\u673a\u540d\u79f0 <br \/>tunnel name LNS \/\/\u672c\u7aef\u96a7\u9053\u540d\u79f0 <br \/>tunnel timer hello 0 <br \/>aaa <br \/>local-user l2tp@radius password <br \/>cipher %$%$y&gt;z_1xG<\/td>\n<td>mINC.~+P.b()4+&quot;v%$%$ \/\/\u672c\u5730\u7528 \u6237\u540d\u3001\u5bc6\u7801 <br \/>local-user l2tp@radius service-type ppp <br \/>domain radius  <br \/> ip pool 0 10.21.80.1 10.21.80.254<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>VT \u63a5\u53e3\u662f\u7528\u4e8e\u4e8c\u5c42\u534f\u8bae\u901a\u4fe1\u7684\u903b\u8f91\u63a5\u53e3\uff0c\u5982 PPP \u548c L2TP \u534f\u8bae\u901a\u4fe1\uff0cPPP \u548c Ethernet \u534f\u8bae\u901a\u4fe1\u90fd\u4f1a\u7528\u5230\u5b83\uff0c\u6240\u4ee5\u5728 L2TP VPN \u4e2d\u8981\u5f00\u542f VT \u63a5\u53e3\u6240\u5728\u5b89\u5168\u533a\u57df\u8ddf L2TP \u7269\u7406\u63a5\u53e3\u6240\u5728\u5b89\u5168\u533a\u57df\u4e4b\u95f4\u7684\u5305\u8fc7\u6ee4\uff0c\u4fdd\u8bc1 PPP \u548c L2TP \u534f\u8bae\u901a\u4fe1\u7545\u901a\u65e0\u963b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff262cdd4cf.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900233776-a57b857f-4607-48d7-bcbd-e02c9338bf3a.png\" \/><\/p>\n<p>\u7ed3\u5408\u6293\u5305\u60c5\u51b5\u8be6\u89e3 Client-Initiated VPN \u5efa\u7acb\u8fc7\u7a0b\uff1a<\/p>\n<h4>\u00b71\u00b7\u5efa\u7acb L2TP \u96a7\u9053\uff08\u63a7\u5236\u8fde\u63a5\uff09\uff1a3 \u6761\u6d88\u606f\u534f\u5546\u8fdb\u5165\u96a7\u9053\u65f6\u673a<\/h4>\n<p>L2TP Client \u548c LNS \u901a\u8fc7\u4ea4\u4e92\u4e09\u6761\u6d88\u606f\u534f\u5546\u96a7\u9053 IP\/UDP \u7aef\u53e3\uff08LNS \u7528 1701 \u7aef\u53e3\u54cd\u5e94 Client \u96a7\u9053\u5efa\u7acb\u8bf7\u6c42\uff09\/\u4e3b\u673a\u540d\u79f0\/L2TP \u7684\u7248\u672c\/\u96a7\u9053\u9a8c\u8bc1\uff08Client \u4e0d\u652f\u6301\u96a7\u9053\u9a8c\u8bc1\u65f6 LNS \u7684\u96a7\u9053\u9a8c\u8bc1\u8981\u5173\u95ed\uff0c\u4f8b\u5982 Win7 \u64cd\u4f5c\u7cfb\u7edf\uff09<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26300989f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900423982-7bc66143-f41f-4345-8a74-e858f1740764.png\" \/><\/p>\n<p>\u4e0b\u8868\u4ec5\u7ed9\u51fa\u96a7\u9053 ID \u534f\u5546\u8fc7\u7a0b\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>Step 1<\/th>\n<th>Client\uff1aLNS \u4f60\u7528 88 \u4f5c\u4e3a Tunnel ID \u8ddf\u6211\u901a\u4fe1\u5427<\/th>\n<th><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26328d7a4.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900530611-c76b0acb-2309-432c-ba32-ab6765eb279a.png\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step 2<\/td>\n<td>LNS\uff1aOK\uff0cClient \u7528 1 \u4f5c\u4e3a Tunnel ID \u8ddf\u6211\u901a\u4fe1<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2634f0efa.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900536181-cedc4003-3f5f-47d8-be0c-38d5d894662b.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 3<\/td>\n<td>Client\uff1aOK<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h4>\u00b72\u00b7\u5efa\u7acb L2TP \u4f1a\u8bdd\uff1a3 \u6761\u6d88\u606f\u5524\u9192 LNS<\/h4>\n<p>L2TP Client \u548c LNS \u901a\u8fc7\u4ea4\u4e92\u4e09\u6761\u6d88\u606f\u534f\u5546 Session ID\uff0c\u5efa\u7acb L2TP \u4f1a\u8bdd<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26376e17f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900589711-31531f47-8272-49b0-8b01-d67b7fc9769e.png\" \/><\/p>\n<blockquote>\n<p>ZLB \u8868\u793a\u76ee\u524d\u7a7a\u95f2\uff0c\u6ca1\u6709\u6d88\u606f\u8981\u53d1\u9001<\/p>\n<\/blockquote>\n<p>Session ID \u534f\u5546\u8fc7\u7a0b\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>Step 1<\/th>\n<th>Client\uff1aLNS \u91c7\u7528 1 \u4f5c\u4e3a Session ID \u8ddf\u6211\u901a\u4fe1\u5427<\/th>\n<th><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2639d90b6.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900676870-54399ee6-3221-46c0-b49a-4b083b75d60b.png\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step 2<\/td>\n<td>LNS\uff1aOK\uff0cClient \u91c7\u7528 37 \u4f5c\u4e3a Session ID \u8ddf\u6211\u901a\u4fe1\u5427<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff263c07e2b.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900681214-2a970679-fabb-4e17-a61f-ef5148902053.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 3<\/td>\n<td>Client\uff1aOK<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h4>\u00b73\u00b7\u521b\u5efa PPP \u8fde\u63a5\uff1a\u8eab\u4efd\u9a8c\u8bc1\uff0c\u53d1\u653e\u7279\u522b\u901a\u884c\u8bc1<\/h4>\n<p>1.LCP \u534f\u5546<\/p>\n<p>LCP \u534f\u5546\u662f\u4e24\u4e2a\u65b9\u5411\u5206\u5f00\u534f\u5546\u7684\uff0c\u4e3b\u8981\u534f\u5546 MRU \u5927\u5c0f\u3002<\/p>\n<blockquote>\n<p>MRU \u662f PPP \u7684\u6570\u636e\u94fe\u8def\u5c42\u53c2\u6570\uff0c\u7c7b\u4f3c\u4ee5\u592a\u7f51\u4e2d\u7684 MTU\uff0c\u5982\u679c PPP \u94fe\u8def\u4e00\u7aef\u8bbe\u5907\u53d1\u9001\u7684\u62a5\u6587\u5728\u548c\u5927\u4e8e\u5bf9\u7aef\u7684 MRU\uff0c\u8fd9\u4e2a\u62a5\u6587\u5728\u4f20\u9001\u65f6\u5c31\u4f1a\u88ab\u5206\u7247<\/p>\n<\/blockquote>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff263e40e74.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900806157-3c0c2858-41d7-4105-bca0-ad0a269dc2a8.png\" \/><\/p>\n<p>2.PPP \u9a8c\u8bc1<\/p>\n<p>\u9a8c\u8bc1\u65b9\u5f0f\u5305\u62ec CHAP\/PAP\/EAP\uff08\u9ad8\u7aef\u9632\u706b\u5899\u4e0d\u652f\u6301\uff09\uff0cCHAP \u6216 PAP \u53ef\u4ee5\u5728\u672c\u5730\u8ba4\u8bc1\uff0c\u4e5f\u53ef\u5728 AAA \u670d\u52a1\u5668\u4e0a\u8ba4\u8bc1\uff1aEAP \u53ea\u80fd\u5728 AAA \u670d\u52a1\u5668\u4e0a\u8fdb\u884c\u8ba4\u8bc1\uff0cEAP \u8ba4\u8bc1\u6bd4\u8f83\u590d\u6742\uff0c\u6211\u4eec\u7b49\u5230 IPSec \u90e8\u5206\u518d\u8be6\u89e3\uff0c\u8fd9\u91cc\u53ea\u7ed9\u6700\u5e38\u7528\u7684 CHAP \u9a8c\u8bc1\u8fc7\u7a0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26407e49f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757900916475-11f2f562-c421-49fb-8495-31856b38af0a.png\" \/><\/p>\n<p>\u7ecf\u5178\u7684\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>Step 1<\/th>\n<th>LNS\uff1aClient \u53d1\u7ed9\u4f60\u4e00\u4e2a\u201c\u6311\u6218(Challenge)\uff0c\u7528\u5b83\u6765\u52a0\u5bc6\u4f60\u7684\u5bc6\u7801\u5427<\/th>\n<th><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26441a4ba.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757901023859-8620def8-3c23-4980-ac4a-0d48b8c6f812.png\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step 2<\/td>\n<td>Client\uff1aOK\uff0c\uff0c\u628a\u6211\u7684\u7528\u6237\u540d\u548c\u52a0\u5bc6\u540e\u7684\u5bc6\u7801\u53d1\u7ed9\u4f60 \u8bf7\u9a8c\u8bc1<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff264648607.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757901029184-6ccf3aaa-e7b1-40d6-b39e-00cc03acc00d.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 3<\/td>\n<td>LNS\uff1a\u9a8c\u8bc1\u901a\u8fc7 \u5df4\u522b\u5854\u6b22\u8fce\u60a8<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff264821d7f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757901033643-7a7f12c5-75fb-45b5-8f85-c68626425f36.png\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>LNS\uff08\u6216 AAA \u670d\u52a1\u5668\uff09\u4e0a\u914d\u7f6e\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u662f\u7528\u6765\u9a8c\u8bc1 Client \u7684\uff0c\u8981\u6c42\u201d\u672c\u4eba\u201c\u548c\u201d\u7b7e\u8bc1\u201c\u5b8c\u5168\u4e00\u81f4\uff0c\u5373\u8981\u6c42 L2TP Client \u548c LNS \u4e0a\u914d\u7f6e\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u5b8c\u5168\u4e00\u81f4<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">\u5982\u679c\u5728LNS\u4e0a\u914d\u7f6e\u7684\u7b7e\u8bc1\u4e3aUsername\uff08\u6ca1\u6709domain\uff09\uff0c\u5219L2TP Client\u767b\u5f55\u7684\u7528\u6237\u540d\u4e5f\u8981\u662fUsername\n\u5982\u679c\u5728LNS\u4e0a\u914d\u7f6e\u7684\u7b7e\u8bc1\u4e3afullusername\uff08username@default\u6216username@domain\uff09\u5219L2TP Client\u767b\u5f55\u7684\u7528\u6237\u540d\u4e5f\u8981\u662fusername@default\u6216username@domain<\/code><\/pre>\n<p>\u90a3\u4e48\u5212\u5206 domian \u6709\u4f55\u610f\u4e49<\/p>\n<p>\u5bf9\u4e8e\u5927\u4f01\u4e1a\u6765\u8bf4\uff0c\u4f1a\u6309\u7167\u90e8\u5206\u6765\u5212\u5206\u591a\u4e2a domain\uff0cLNS\uff08\u6216 AAA \u670d\u52a1\u5668\uff09\u90fd\u652f\u6301\u6839\u636e domain \u7ed9\u4e0d\u540c\u90e8\u5206\u521b\u5efa\u4e0d\u540c\u7684\u5730\u5740\u6c60\uff0c\u4e5f\u5c31\u662f\u4e0d\u540c\u90e8\u95e8\u7684\u7f51\u6bb5\u53ef\u4ee5\u901a\u8fc7\u5730\u5740\u6c60\u89c4\u5212\u5206\u5f00\uff0c\u8fd9\u6837\u65b9\u4fbf\u540e\u7eed\u90e8\u7f72\u4e0d\u540c\u7684\u8bbf\u95ee\u63a7\u5236\u7b56\u7565<\/p>\n<p>3.IPCP \u534f\u5546 \u6210\u529f\u540e\u5206\u914d IP \u5730\u5740<\/p>\n<p>\u5206\u914d\u7ed9 Client \u7684 IP \u5730\u5740\u662f 10.21.80.2 \u540e\u7eed\u4ea4\u4e92\u7684\u62a5\u6587\u90fd\u662f\u7531 10.21.80.2-Client \u7684\u79c1\u7f51\u5730\u5740\u53d1\u51fa\u7684<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff264fce338.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757902134190-0f9080c8-fa94-499b-917a-74bc51677181.png\" \/><\/p>\n<p>VT \u63a5\u53e3\u5730\u5740\u548c\u5730\u5740\u6c60\u5730\u5740\u5982\u4f55\u89c4\u5212\uff1f<\/p>\n<p>VT \u63a5\u53e3\u548c\u5730\u5740\u6c60\u5730\u5740\u8ddf\u5176\u4ed6\u5185\u7f51\u4e3b\u673a\u5730\u5740\u4e00\u6837\uff0c\u90fd\u5e94\u8be5\u9075\u5faa\u5185\u7f51 IP \u5730\u5740\u89c4\u5212\u539f\u5219\uff0c\u5efa\u8bae\u4e3a VT \u53e3\u548c\u5730\u5740\u6c60\u89c4\u5212\u72ec\u7acb\u7f51\u6bb5\uff0c\u4e14\u4e8c\u8005\u7684\u5730\u5740\u4e0d\u8981\u91cd\u53e0<\/p>\n<p><strong>\u603b\u7ed3 Client-Initiated VPN \u7279\u70b9<\/strong><\/p>\n<p>L2TP VPN \u8ddf GRE VPN \u6709\u5f88\u5927\u4e0d\u540c \uff0cGRE VPN \u6ca1\u6709\u96a7\u9053\u534f\u5546\u8fc7\u7a0b\uff0c\u662f\u6ca1\u6709\u63a7\u5236\u8fde\u63a5\u7684\u96a7\u9053\uff0c\u662f\u6ca1\u6709\u72b6\u6001\u7684\u96a7\u9053\uff0c\u6240\u4ee5\u4e5f\u65e0\u6cd5\u67e5\u770b\u96a7\u9053\uff0c\u68c0\u67e5\u96a7\u9053\u72b6\u6001\uff0c\u4f46 L2TP VPN \u662f\u6709\u63a7\u5236\u8fde\u63a5\u7684\u96a7\u9053\uff0c\u53ef\u4ee5\u67e5\u770b\u5230\u96a7\u9053\u548c\u4f1a\u8bdd\uff08IPSec VPN \u8868\u73b0\u7684\u66f4\u597d\uff09<\/p>\n<p>\u5bf9\u4e8e Client-Initiated VPN \u6765\u8bf4 Client \u548c LNS \u4e4b\u95f4\u5b58\u5728\u4e00\u6761 L2TP \u96a7\u9053\uff0c\u96a7\u9053\u4e2d\u53ea\u6709\u4e00\u6761 L2TP \u4f1a\u8bdd\uff0cPPP \u8fde\u63a5\u5c31\u627f\u8f7d\u5728\u6b64 L2TP \u4f1a\u8bdd\u4e0a\uff08\u8fd9\u70b9\u8ddf NAS-Initiated VPN \u4e0d\u540c\uff09<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26539588e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757902348882-d8f14099-bb8a-4425-bc37-d01a8efb12de.png\" \/><\/p>\n<h4>\u00b74\u00b7\u6570\u636e\u5c01\u88c5\u4f20\u8f93<\/h4>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26573cb9a.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757902618990-df841d7f-93cc-48a2-9a62-244699e38c76.png\" \/><\/p>\n<blockquote>\n<p>\u672c\u4f8b\u4e3a\u4e24\u4e2a Client \u4e4b\u95f4\u901a\u4fe1\uff0c\u6240\u4ee5\u79c1\u6709 IP \u5730\u5740\u4e3a\u4e24\u4e2a\u5185\u7f51\u5730\u5740<\/p>\n<\/blockquote>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2659ca7d3.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757902690063-d75c1d30-7ad8-445f-a9a3-1808e02d71e5.png\" \/><\/p>\n<p>Client \u7684\u62a5\u6587\u5230\u8fbe\u603b\u90e8\u6ca1\u6709\u95ee\u9898\u4e86\uff0c\u90a3\u4e48\u603b\u90e8\u670d\u52a1\u5668\u5230 Client \u7684\u56de\u7a0b\u62a5\u6587\u662f\u5982\u4f55\u8fdb\u5165\u96a7\u9053\u8fd4\u56de Client \u7684\uff1f<\/p>\n<p>\u67e5\u770b LNS \u8def\u7531\u8868\uff0c\u53d1\u73b0\u4e86\u4e00\u4e2a\u6709\u8da3\u7684\u73b0\u8c61\uff1aLNS \u4e3a\u83b7\u5f97\u79c1\u7f51 IP \u5730\u5740\u7684 Client \u81ea\u52a8\u4e0b\u53d1\u4e86\u4e00\u6761\u4e3b\u673a\u8def\u7531\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff265d200b8.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757902872024-c0f8c6a6-ec5b-494d-8b17-9f3e4e2763b1.png\" \/><\/p>\n<p>\u8fd9\u6761\u81ea\u52a8\u751f\u6210\u7684\u4e3b\u673a\u8def\u7531\u534f\u8bae\u7c7b\u578b\u4e3a UNR\uff08User Network Route\uff09\u4e0b\u4e00\u8df3\u4e3a Client \u672c\u8eab\u7684\u5730\u5740\uff0c\u51fa\u63a5\u53e3\u662f LoopBakc0\uff0c\u8fd9\u6761\u8def\u7531\u5c31\u662f LNS \u8fdb\u96a7\u9053\u7684\u5165\u53e3\uff0c\u6307\u5f15\u53bb\u5f80 Client \u7684\u62a5\u6587\u8fdb\u5165\u96a7\u9053<\/p>\n<p>\u5728\u5b9e\u9645\u73af\u5883\u4e2d\u6709\u591a\u4e2a Client \u540c\u65f6\u7a7f\u8fc7\u96a7\u9053\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc\uff0c\u5982\u679c Client \u8fd8\u60f3\u8bbf\u95ee\u5176\u4ed6\u7684 Client\uff0cL2TP \u80fd\u6ee1\u8db3\uff0c\u5417\uff1f<\/p>\n<p>LNS \u662f\u8fde\u63a5\u591a\u4e2a\u96a7\u9053\u7684\u4e2d\u8f6c\u7ad9\uff0c\u901a\u8fc7 LNS \u6765\u8f6c\u53d1\uff0c\u4e24\u4e2a Client \u4e4b\u95f4\u4e5f\u53ef\u8bbf\u95ee\uff0c\u524d\u63d0\u662f\u53cc\u65b9\u8981\u77e5\u9053 LNS \u4e3a\u5bf9\u65b9\u914d\u7f6e\u7684 IP \u5730\u5740<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff265f0b5bf.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757903062898-1d5ee5cc-48fa-4787-a07e-923fd9d29d80.png\" \/><\/p>\n<h3>L2TP NAS-Initiated VPN<\/h3>\n<p>Client-Initiated VPN \u53ef\u4ee5\u8ba9\u4f01\u4e1a\u51fa\u5dee\u5458\u5de5\u901a\u8fc7\u96a7\u9053\u6765\u53bb\u81ea\u5982\u8bbf\u95ee\u7f51\u7edc\uff0c\u4f46\u5206\u652f\u673a\u6784\u53ea\u80fd\u901a\u8fc7\u62e8\u53f7\u7f51\u7edc\u63a5\u5165 Internet\uff0c\u5373\u4fbf\u62e8\u53f7\u7f51\u7edc\u6f14\u8fdb\u5230\u4ee5\u592a\u7f51\uff0c\u4e5f\u53ea\u89e3\u51b3\u4e86\u672c\u5730\u63a5\u5165 Internet \u7684\u95ee\u9898\uff0c\u65e0\u6cd5\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc<\/p>\n<p>\u4f46 LAC \u7684\u51fa\u73b0\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\uff0c\u4e00\u65b9\u9762 LAC \u4f5c\u4e3a PPPoE Server \u5206\u652f\u673a\u6784\u4f5c\u4e3a PPPoE Client \u4e0e LAC \u5efa\u7acb PPPoE \u8fde\u63a5\uff0c\u8ba9 PPP \u8dd1\u5728\u4ee5\u592a\u7f51\u4e0a\uff0c\u53e6\u4e00\u65b9\u9762\uff0cLAC \u4f5c\u4e3a LNS \u7684\u4e2d\u4ecb\uff0c\u4e3a\u5206\u652f\u673a\u6784\u63d0\u4f9b\u96a7\u9053\u7684\u5165\u53e3\uff0c\u5728\u5206\u652f\u673a\u6784\u7528\u6237\u770b\uff0c\u901a\u8fc7 LAC \u5c31\u53ef\u4ee5\u5230\u8fbe\u603b\u90e8\u7f51\u7edc<\/p>\n<p>\u56e0\u4e3a\u5728 VPDN \u91cc LAC \u6709\u4e00\u4e2a\u522b\u540d\u53eb NAS \uff0c\u6240\u4ee5\u8fd9\u79cd L2TP VPN \u4e5f\u79f0\u4e3a NAS-Initiated VPN <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26625585e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757903863877-7a715fde-a9a7-40b5-a608-53d2b8060278.png\" \/><\/p>\n<p>\u4e3a\u4e86\u590d\u4e60\u4e00\u4e0b PPPoE \u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u6211\u4eec\u7528\u4e00\u53f0\u9632\u706b\u5899\u4f5c\u4e3a PPPoE Client\uff0c\u6a21\u62df PC \u7684 PPPoE Client\uff1a  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2664ee204.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757904612127-1f84ce37-c7c0-431c-af68-612577e39a47.png\" \/><\/p>\n<h4>\u00b71\u00b7\u62e8\u53f7\u53e3\u5bf9 VT \u53e3\u7684\u547c\u5524\uff1a\u5efa\u7acb PPPoE \u8fde\u63a5<\/h4>\n<p>PPP \u5c48\u5c0a\u843d\u6237\u4ee5\u592a\u7f51\u53d8\u4e3a PPPoE \u540e\uff0c\u4e3a\u4e86\u5728\u4ee5\u592a\u7f51\u4e0a\u6a21\u62df PPP \u7684\u62e8\u53f7\u8fc7\u7a0b\uff0cPPPoE \u53d1\u660e \u4e86\u4e24\u4e2a\u865a\u62df\u63a5\u53e3\u2014\u2014Dialer \u63a5\u53e3\u548c VT \u63a5\u53e3\u3002Dialer \u63a5\u53e3\u7528\u4e8e PPPoE Client \u4fa7\uff0cVT \u63a5\u53e3\u7528\u4e8e PPPoE Server\uff08\u5373 LAC\uff09\u4fa7\uff0c\u5728\u8fd9\u4e24\u4e2a\u63a5\u53e3\u4e0a\u914d\u7f6e PPPoE \u76f8\u5173\u53c2\u6570\u3002  <\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>PPPoE Client<\/th>\n<th>PPPoE Server(LAC)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>interface dialer 1 <br \/>dialer user user1 <br \/>dialer-group 1 <br \/>dialer bundle 1 <br \/>ip address ppp-negotiate \/\/\u534f\u5546\u6a21\u5f0f\u4e0b\u5b9e\u73b0 IP \u5730 \u5740\u52a8\u6001\u5206\u914d ppp chap user user1 \/\/PPPoE Client \u7684\u7528\u6237\u540d <br \/>ppp chap password cipher Password1 \/\/PPPoE Client \u7684\u5bc6\u7801 <br \/>dialer-rule 1 ip permit <br \/>interface GigabitEthernet0\/0\/1 pppoe-client dial-bundle-number 1 \/\/\u5728\u7269\u7406\u63a5\u53e3\u4e0a\u542f \u7528 PPPoE Client \u5e76\u7ed1\u5b9a dial-bundle<\/td>\n<td>interface Virtual-Template 1 ppp authentication-mode chap <br \/>interface GigabitEthernet 0\/0\/1 <br \/>pppoe-server bind virtual-template 1 \/\/\u5728\u7269\u7406\u63a5\u53e3 \u4e0a\u542f\u7528 PPPoE Server \u5e76\u7ed1\u5b9a VT \u63a5\u53e3   aaa <br \/>local-user user1 password Password1 <br \/>local-user user1 service-type ppp \u6ce8\uff1a\u5728 L2TP \u4e2d\uff0c\u7528\u6237\u7684 IP \u5730\u5740\u90fd\u662f\u7531\u603b\u90e8\uff08LNS \u6216 AAA \u670d\u52a1\u5668\uff09\u7edf\u4e00\u8fdb\u884c\u5206\u914d\u7684\uff0c\u6240\u4ee5 LAC \u4e0a\u4e0d\u9700\u8981\u914d\u7f6e\u5730\u5740\u6c60\uff08\u5373 \u4f7f\u914d\u7f6e\u4e86\u5730\u5740\u6c60\uff0c\u5728 L2TP \u96a7\u9053\u5df2\u7ecf\u5efa\u7acb\u7684\u60c5\u51b5\u4e0b\uff0c\u4e5f\u4f1a\u4f18 \u5148\u4f7f\u7528\u603b\u90e8\u7684\u5730\u5740\u6c60\u8fdb\u884c\u5730\u5740\u5206\u914d\uff09\uff0c\u800c\u666e\u901a\u7684 PPPoE \u62e8\u53f7 \u5219\u5fc5\u987b\u5728 PPPoE Server \u4e0a\u914d\u7f6e\u5730\u5740\u6c60\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u901a\u8fc7\u6293\u5305\u6765\u5206\u6790 PPPoE \u8fde\u63a5\u5efa\u7acb\u8fc7\u7a0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2667219da.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757904799353-5b5c2a8a-33cb-404f-8ba4-870a33410055.png\" \/><\/p>\n<p>\u91cd\u70b9\u4ecb\u7ecd PPPoE \u53d1\u73b0\u9636\u6bb5\u7684\u534f\u5546\u8fc7\u7a0b\uff0cPPPoE Client \u548c PPPoE Server \u4e4b\u95f4\u901a\u8fc7\u4ea4\u4e92 PADI\u3001PADO\u3001PADR \u548c PADS \u62a5\u6587\uff0c\u786e\u5b9a\u5bf9\u65b9\u4ee5\u592a\u7f51\u5730\u5740\u548c PPPoE \u4f1a\u8bdd ID\uff1a  <\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>Step 1<\/th>\n<th>PPPoE Client\uff1a\u5e7f\u64ad\u5e7f\u64ad\uff0c\u6211\u60f3\u63a5\u5165 PPPoE\uff0c\u8c01\u6765\u5e2e\u5e2e\u6211\uff1f<\/th>\n<th><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff266e33f76.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917490110-b4ca48c4-bb3b-491a-bf07-7a121dd84f70.png\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step 2<\/td>\n<td>PPPoE Server\uff1aPPPoE Client\uff0c\u627e \u6211\u5440\uff0c\u6211\u53ef\u4ee5\u5e2e\u52a9\u4f60\uff01<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26708ea7e.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917495712-0ca69b19-43fd-4193-8b8b-40b4c7eafafa.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 3<\/td>\n<td>PPPoE Client \uff1a \u592a \u597d \u4e86 \uff0c PPPoE Server\uff0c\u6211\u60f3\u8ddf\u4f60\u5efa\u7acb PPPoE \u4f1a\u8bdd\u3002<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2677ebdbc.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917501171-49ecbb56-248c-4af8-9268-b5c81984218b.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 4<\/td>\n<td>PPPoE Server\uff1a\u6ca1\u95ee\u9898\uff0c\u6211\u628a\u4f1a\u8bdd ID \u53d1\u7ed9\u4f60\uff0c\u6211\u4eec\u5c31\u7528\u8fd9\u4e2a ID \u5efa\u7acb PPPoE \u4f1a\u8bdd\u5427\u3002<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff267aa68f1.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917510086-4014a14b-ad57-44be-b7d3-0a94a02403c4.png\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h4>\u00b72\u00b7 \u5efa\u7acb L2TP \u96a7\u9053\uff1a3 \u6761\u6d88\u606f\u534f\u5546\u8fdb\u5165\u96a7\u9053\u65f6\u673a<\/h4>\n<p>LAC \u548c LNS \u901a\u8fc7\u4ea4\u4e92\u4e09\u6761\u6d88\u606f\u534f\u5546 L2TP \u96a7\u9053\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u6211\u4eec\u5728\u201cClient-Initiated VPN\u201d\u4e00 \u7bc7\u4e2d\u5df2\u7ecf\u4ecb\u7ecd\u8fc7\u4e86\uff0c\u8fd9\u91cc\u518d\u590d\u4e60\u4e00\u904d\u3002\u9996\u5148\u6765\u770b\u4e00\u4e0b LAC \u548c LNS \u7684\u5177\u4f53\u914d\u7f6e\uff1a  <\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>PPPoE Client<\/th>\n<th>PPPoE Server(LAC)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>l2tp-group 1 <br \/>tunnel authentication \/\/\u907f\u514d\u5047\u5192 LAC \u63a5\u5165 LNS <br \/>tunnel password cipher Password1 <br \/>tunnel name lac <br \/>start l2tp ip 1.1.1.2 fullusername user1 \/\/\u6307\u5b9a\u96a7\u9053 \u5bf9\u7aef\u5730\u5740 <br \/>l2tp enable<\/td>\n<td>l2tp-group 1 <br \/>tunnel authentication \/\/\u907f\u514d\u5047\u5192 LAC \u63a5\u5165 LNS <br \/>tunnel password cipher Password1 <br \/>tunnel name lns <br \/>allow l2tp virtual-template 1 remote lac \/\/\u5141\u8bb8\u8fdc\u7aef\u63a5 \u5165<br \/>l2tp enable<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\u6293\u5305\u4fe1\u606f\u5982\u4e0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff267c95b1c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917685523-1fb90b95-335d-46f1-b786-921f37f91cde.png\" \/><\/p>\n<p>\u96a7\u9053 ID \u534f\u5546\u8fc7\u7a0b\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>Step 1<\/th>\n<th>LAC\uff1aLNS\uff0c\u4f7f\u7528 1 \u4f5c\u4e3a Tunnel ID \u8ddf \u6211\u901a\u4fe1\u5427<\/th>\n<th><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff267e77099.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917877005-775925f9-ac98-4de9-822e-501f03cacde2.png\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step 2<\/td>\n<td>LNS\uff1aOK\u3002LAC\uff0c\u4f60\u4e5f\u7528 1 \u4f5c\u4e3a Tunnel ID \u8ddf\u6211\u901a\u4fe1\u3002<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2681ea364.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917880870-55568b65-7060-4e8f-a00b-fe8e04b7ac5d.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 3<\/td>\n<td>LAC\uff1aOK\u3002<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h4>\u00b73\u00b7\u5efa\u7acb L2TP \u4f1a\u8bdd\uff0c\u4e09\u6761\u6d88\u606f\u5524\u9192 LNS<\/h4>\n<p>LAC \u548c LNS \u901a\u8fc7\u4ea4\u4e92\u4e09\u6761\u6d88\u606f\u534f\u5546 Session ID\uff0c\u5efa\u7acb L2TP \u4f1a\u8bdd\u3002\u540c\u6837\uff0c\u6211\u4eec\u518d\u590d\u4e60\u4e00\u904d\u8fd9 \u4e2a\u8fc7\u7a0b\u3002  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2684ebb34.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917932380-a1495f62-c71c-4ae9-83f0-881169113f42.png\" \/><\/p>\n<p>Session ID \u534f\u5546\u8fc7\u7a0b\uff1a<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>Step 1<\/th>\n<th>LAC\uff1aLNS\uff0c\u4f7f\u7528 4 \u4f5c\u4e3a Session ID \u8ddf\u6211\u901a\u4fe1\u5427\u3002<\/th>\n<th><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff268741a3c.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917989157-9e932cc8-6cf0-4fcc-a784-a3d09c759bb6.png\" \/><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step 2<\/td>\n<td>LNS\uff1aOK\u3002LAC\uff0c\u4f60\u4e5f\u4f7f\u7528 4 \u4f5c\u4e3a Session ID \u8ddf\u6211\u901a\u4fe1\u5427\u3002<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26893a4a6.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757917993893-6d3d6d4b-a299-4214-937c-a7970032856d.png\" \/><\/td>\n<\/tr>\n<tr>\n<td>Step 3<\/td>\n<td>LAC\uff1aOK\u3002<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h4>\u00b74&amp;5\u00b7LNS \u51b7\u9759\u63a5\u53d7 LAC\uff1aLNS \u8ba4\u8bc1 \u5206\u914d IP \u5730\u5740<\/h4>\n<p><strong>1.LNS \u8ba4\u8bc1&amp;\u4e8c\u6b21\u8ba4\u8bc1\uff08\u53ef\u9009\uff09<\/strong><\/p>\n<p>LAC \u5c06\u7528\u6237\u4fe1\u606f\u53d1\u7ed9 LNS \u8fdb\u884c\u9a8c\u8bc1\uff0c\u4f46 LNS \u8ba4\u8bc6\u5230 LAC \u4e2d\u4ecb\u7684\u4e09\u79cd\u9762\u76ee\uff0c\u5bf9\u6b64 LNS \u6709\u4e09\u79cd\u6001\u5ea6<\/p>\n<p><strong>\u00b7 <\/strong>LAC \u4ee3\u7406\u8ba4\u8bc1\uff1a\u76f8\u4fe1 LAC \u662f\u53ef\u9760\u7684\uff0c\u76f4\u63a5\u5bf9 LAC \u53d1\u6765\u7684\u7528\u6237\u4fe1\u606f\u8fdb\u884c\u9a8c\u8bc1<\/p>\n<p><strong>\u00b7 <\/strong>\u5f3a\u5236 CHAP \u8ba4\u8bc1\uff1a\u4e0d\u76f8\u4fe1 LAC\uff0c\u8981\u6c42\u91cd\u65b0\u5bf9\u7528\u6237\u8fdb\u884c\u8d44\u683c\u5ba1\u67e5\uff08\u5f3a\u5236\u91cd\u65b0\u5bf9\u7528\u6237\u8fdb\u884c CHAP \u8ba4\u8bc1\uff09<\/p>\n<p><strong>\u00b7 <\/strong>LCP \u91cd\u534f\u5546\uff1a\u4e0d\u4ec5\u4e0d\u76f8\u4fe1 LAC\uff0c\u8fd8\u5bf9\u524d\u9762\u7b7e\u8ba2\u7684\u4e1a\u52a1\u5408\u540c\u4e0d\u6ee1\uff0c\u8981\u6c42\u8ddf\u7528\u6237\u91cd\u65b0\u6d3d\u8c08\uff08\u91cd\u65b0\u53d1\u8d77 LCP \u534f\u5546\uff0c\u534f\u5546 MRU \u53c2\u6570\u548c\u8ba4\u8bc1\u65b9\u5f0f\uff09<\/p>\n<p><strong>\u540e\u4e24\u79cd\u65b9\u5f0f\u7edf\u79f0\u4e3a LNS \u4e8c\u6b21\u8ba4\u8bc1\uff0c\u82e5 LNS \u914d\u7f6e\u4e8c\u6b21\u8ba4\u8bc1\u800c PPPoE Client \u4e0d\u652f\u6301\u4e8c\u6b21\u8ba4\u8bc1 \u5c06\u4f1a\u5bfc\u81f4 L2TP VPN \u65e0\u6cd5\u5efa\u7acb<\/strong><\/p>\n<p>\u4e24\u79cd\u4e8c\u6b21\u8ba4\u8bc1\u7684\u5171\u540c\u7279\u5f81\u662f LNS \u90fd\u7ed5\u8fc7\u4e86 LAC \u76f4\u63a5\u9a8c\u8bc1 PPPoE Client \u63d0\u4f9b\u7684\u7528\u6237\u4fe1\u606f\uff0c\u53ef\u4ee5\u4e3a VPN \u4e1a\u52a1\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u5b89\u5168\u4fdd\u969c<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u8ba4\u8bc1\u65b9\u5f0f<\/th>\n<th>\u914d\u7f6e<\/th>\n<th>\u7279\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>LAC \u4ee3\u7406\u8ba4\u8bc1  \u2b50<\/td>\n<td>\u7f3a\u7701\uff0c\u4e0d\u7528\u914d\u7f6e<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff268ae3eec.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757918514123-18e7045e-61e2-4251-a8d7-8167b56f4723.png\" \/><br \/> LNS \u76f4\u63a5\u5bf9 LAC \u53d1\u6765\u7684\u7528\u6237\u4fe1\u606f\u8fdb\u884c\u9a8c\u8bc1\uff0c\u9a8c\u8bc1\u901a\u8fc7\u5373 \u6210\u529f\u5efa\u7acb PPP \u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u5f3a\u5236 CHAP \u8ba4\u8bc1  \u2b50\u2b50<\/td>\n<td>l2tp-group 1 <br \/>mandatory-chap<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff268cbd234.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757918518756-3d2e1a2e-b1cc-4a4d-ad31-d6a8f3f31e6b.png\" \/><br \/> LNS \u91cd\u65b0\u5bf9\u7528\u6237\u8fdb\u884c CHAP \u9a8c\u8bc1\uff0cLNS \u53d1\u9001\u6311\u6218\uff0cPPPoE Client \u4f7f\u7528\u6311\u6218\u5c06\u7528\u6237\u540d\u548c\u52a0\u5bc6\u540e\u7684\u5bc6\u7801\u53d1\u7ed9 LNS\uff0cLNS \u9a8c\u8bc1\u901a\u8fc7\u6210\u529f\u5efa\u7acb PPP \u8fde\u63a5\u3002<\/td>\n<\/tr>\n<tr>\n<td>LCP \u91cd\u534f\u5546  \u2b50\u2b50\u2b50<\/td>\n<td>interface virtual-template 1 ppp authentication-mode chap \/\/\u91cd \u534f\u5546\u540e\u7684\u9a8c\u8bc1\u65b9\u5f0f\u5728 VT \u4e0b\u6307\u5b9a <br \/>l2tp-group 1 <br \/>mandatory-lcp<\/td>\n<td><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff268ea52c2.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757918504339-f70de7dc-3e7e-4b98-a1f2-f25862ee221e.png\" \/> LNS \u91cd\u65b0\u53d1\u8d77 LCP \u534f\u5546\uff0c\u534f\u5546 MRU \u53c2\u6570\u548c\u8ba4\u8bc1\u65b9\u5f0f\uff0c\u7136 \u540e\u8fdb\u884c CHAP \u9a8c\u8bc1\uff0c\u9a8c\u8bc1\u901a\u8fc7\u5373\u6210\u529f\u5efa\u7acb PPP \u8fde\u63a5\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u4ee3\u8868\u4f18\u5148\u7ea7\uff0c\u4e09\u79cd\u65b9\u5f0f\u540c\u65f6\u914d\u7f6e\u65f6 LCP \u91cd\u534f\u5546\u4f18\u5148\u7ea7\u6700\u9ad8\u3002<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p><strong>2.\u5206\u914d IP \u5730\u5740<\/strong><\/p>\n<p>\u901a\u8fc7 PPP IPCP \u534f\u5546\uff0cLNS \u4e3a PPPoE Client \u5206\u914d IP \u5730\u5740<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2690aab85.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757919148056-a71db4b5-6223-4cdb-a723-e77f6e81ed38.png\" \/><\/p>\n<p>\u5173\u4e8e\u5730\u5740\u6c60\u5730\u5740\u7684\u89c4\u5212\u95ee\u9898\uff0c\u5728\u201cClient-Initiated VPN\u201d\u8bb2\u8fc7\u3002\u540c\u6837\uff0c\u5efa\u8bae\u628a \u5730\u5740\u6c60\u5730\u5740\u548c\u603b\u90e8\u7f51\u7edc\u5730\u5740\u89c4\u5212\u4e3a\u4e0d\u540c\u7684\u7f51\u6bb5\u3002\u5982\u679c\u5730\u5740\u6c60\u5730\u5740\u548c\u603b\u90e8\u7f51\u7edc\u5730\u5740\u914d\u7f6e\u4e3a\u540c\u4e00 \u7f51\u6bb5\uff0c\u5219\u5fc5\u987b\u5728 LNS \u8fde\u63a5\u603b\u90e8\u7f51\u7edc\u7684\u63a5\u53e3\u4e0a\u5f00\u542f ARP \u4ee3\u7406\u529f\u80fd\uff0c\u5e76\u4e14\u5f00\u542f L2TP \u865a\u62df\u8f6c\u53d1 \u529f\u80fd\uff0c\u4fdd\u8bc1 LNS \u53ef\u4ee5\u5bf9\u603b\u90e8\u7f51\u7edc\u670d\u52a1\u5668\u53d1\u51fa\u7684 ARP \u8bf7\u6c42\u8fdb\u884c\u5e94\u7b54\u3002 \u5047\u8bbe LNS \u8fde\u63a5\u603b\u90e8\u7f51\u7edc\u7684\u63a5\u53e3\u662f GigabitEthernet0\/0\/1\uff0c\u5f00\u542f ARP \u4ee3\u7406\u529f\u80fd\u548c L2TP \u865a\u62df\u8f6c \u53d1\u529f\u80fd\u7684\u914d\u7f6e\u5982\u4e0b\uff1a  <\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">interface GigabitEthernet0\/0\/1\nip address 192.168.0.1 255.255.255.0\narp-proxy enable \/\/\u5f00\u542f ARP \u4ee3\u7406\nvirtual-l2tpforward enable \/\/\u5f00\u542f L2TP \u865a\u62df\u8f6c\u53d1<\/code><\/pre>\n<p><strong>\u603b\u7ed3 NAS-Initiated VPN \u7279\u70b9<\/strong><\/p>\n<p>\u5728 NAS-Initiated VPN \u573a\u666f\u4e2d\uff0c\u4e00\u5bf9 LAC \u548c LNS \u7684\u8fde\u63a5\u53ef\u5b58\u5728\u591a\u6761\u96a7\u9053\uff1b\u4e00\u6761\u96a7\u9053\u4e2d\u53ef\u627f\u8f7d\u591a\u6761\u4f1a\u8bdd\uff0c\u63a5\u5165\u7528\u6237 1 \u4e0e LNS \u4e4b\u95f4\u5efa\u7acb PPP \u8fde\u63a5 1 \u548c L2TP \u4f1a\u8bdd 1\uff0c\u63a5\u5165\u7528\u6237 2 \u4e0e LNS \u4e4b\u95f4\u5efa\u7acb PPP \u8fde\u63a5 2 \u548c L2TP \u4f1a\u8bdd 2<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26933b1e0.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757920433445-d419dc98-9f3b-4d6f-b072-08dd3cceccf8.png\" \/><\/p>\n<p>\u5f53\u4e00\u4e2a\u7528\u6237\u62e8\u53f7\u540e\uff0c\u89e6\u53d1 LAC \u548c LNS \u4e4b\u95f4\u5efa\u7acb\u96a7\u9053\uff0c\u53ea\u8981\u6b64\u7528\u6237\u5c1a\u672a\u4e0b\u7ebf\uff0c\u5219\u5176\u4f59\u7528\u6237\u62e8\u53f7\u65f6\uff0c\u4f1a\u5728\u5df2\u6709\u96a7\u9053\u57fa\u7840\u4e0a\u5efa\u7acb\u4f1a\u8bdd\uff0c\u800c\u975e\u91cd\u65b0\u51fa\u53d1\u5efa\u7acb\u96a7\u9053<\/p>\n<h4>\u00b76\u00b7\u4e00\u8def\u7545\u901a\uff1a\u6570\u636e\u5c01\u88c5\u4f20\u8f93<\/h4>\n<p>PPPoE Client \u8bbf\u95ee\u603b\u90e8\u670d\u52a1\u5668\u7684\u62a5\u6587\u5230\u8fbe LAC \u540e\uff0cLAC \u4e3a\u62a5\u6587\u7a7f\u4e0a\u4e09\u5c42\u201d\u9a6c\u7532\u201c\uff0c\u5373 L2TP \u5934\/UDP \u5934\u548c\u516c\u7f51 IP \u5934\uff0c\u7136\u540e\u53d1\u9001\u5230 LNS\u3002LNS \u6536\u5230\u62a5\u6587\u540e\uff0c\u8131\u53bb\u4e09\u5c42\u9a6c\u7532\u5c06\u62a5\u6587\u8f6c\u53d1\u81f3\u670d\u52a1\u5668<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2695a76c0.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757920565870-3d62e1f5-1537-48e3-9af5-4d1336cfc148.png\" \/><\/p>\n<p>\u62a5\u6587\u5c01\u88c5\u548c\u89e3\u5c01\u88c5\u8fc7\u7a0b\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff2697d75cc.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757920947048-ebdb6f2f-b249-43a1-9275-15fa235557f4.png\" \/><\/p>\n<p>\u5206\u652f\u673a\u6784\u5458\u5de5\u4f7f\u7528 PPPoE Client \u5c31\u53ef\u4ee5\u7545\u901a\u65e0\u963b\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc\u3002\u4f46\u662f \u4ece\u603b\u90e8\u670d\u52a1\u5668\u5230 PPPoE Client \u7684\u56de\u7a0b\u62a5\u6587\u662f\u5982\u4f55\u8fdb\u5165\u96a7\u9053\u8fd4\u56de\u7684\u5462\uff1f\u8fd8\u8bb0\u5f97\u6211\u4eec\u5728 \u201cClient-Initiated VPN\u201d\u4e00\u7bc7\u4e2d\u4ecb\u7ecd\u8fc7\u7684 UNR \u8def\u7531\u5427\uff0cNAS-Initiated VPN \u4e5f\u662f\u8fd9\u6837\u5904\u7406\u7684\u3002 LNS \u4f1a\u4e3a\u83b7\u5f97 IP \u5730\u5740\u7684 PPPoE Client \u81ea\u52a8\u4e0b\u53d1\u4e86\u4e00\u6761 UNR \u8def\u7531\uff0c\u4e0b\u4e00\u8df3\u4e3a PPPoE Client \u672c\u8eab\u7684\u5730\u5740\uff0c\u51fa\u63a5\u53e3\u662f InLoopBack0\uff0c\u8fd9\u6761\u8def\u7531\u5c06\u6307\u5f15\u56de\u7a0b\u62a5\u6587\u8fdb\u5165\u96a7\u9053\u3002\u56de\u7a0b\u62a5\u6587\u8fdb\u5165\u96a7 \u9053\u540e\u88ab\u5c01\u88c5\u4e0a\u516c\u7f51 IP \u5730\u5740\uff0c\u7136\u540e LNS \u5c06\u4f1a\u4ee5\u8be5\u516c\u7f51 IP \u5730\u5740\u4e3a\u76ee\u7684\u5730\u5740\u518d\u6b21\u67e5\u627e\u8def\u7531\uff0c\u5c06\u5c01 \u88c5\u540e\u7684\u56de\u7a0b\u62a5\u6587\u9001\u5f80 LAC  <\/p>\n<h3>L2TP LAC-Auto-Initiated VPN<\/h3>\n<p>LAC-Auto-Initiated VPN \u4e5f\u53eb\u505a LAC \u81ea\u52a8\u62e8\u53f7 VPN\uff0c\u987e\u540d\u601d\u4e49\uff0c\u5728 LAC \u4e0a\u914d\u7f6e\u5b8c\u6210\u540e\uff0cLAC \u4f1a\u81ea\u52a8\u5411 LNS \u53d1\u8d77\u62e8\u53f7\uff0c\u5efa\u7acb L2TP \u96a7\u9053\u548c\u4f1a\u8bdd\uff0c\u4e0d\u9700\u8981\u5206\u652f\u673a\u6784\u7528\u6237\u62e8\u53f7\u6765\u89e6\u53d1\u3002\u5bf9\u4e8e\u5206 \u652f\u673a\u6784\u7528\u6237\u6765\u8bf4\uff0c\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc\u5c31\u8ddf\u8bbf\u95ee\u81ea\u5df1\u6240\u5728\u7684\u5206\u652f\u673a\u6784\u7f51\u7edc\u4e00\u6837\uff0c\u5b8c\u5168\u611f\u89c9\u4e0d\u5230\u81ea\u5df1 \u662f\u5728\u8fdc\u7a0b\u63a5\u5165\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\u4e0b LNS \u53ea\u5bf9 LAC \u8fdb\u884c\u8ba4\u8bc1\uff0c\u5206\u652f\u673a\u6784\u7528\u6237\u53ea\u8981\u80fd\u8fde\u63a5 LAC \u5373 \u53ef\u4ee5\u4f7f\u7528 L2TP \u96a7\u9053\u63a5\u5165\u603b\u90e8\uff0c\u4e0e NAS-Initiated VPN \u76f8\u6bd4\u5b89\u5168\u6027\u8981\u5dee\u4e00\u4e9b  <\/p>\n<p>LAC-Auto-Initiated VPN \u7684\u914d\u7f6e\u4e5f\u4e0d\u590d\u6742\uff0c\u4ee5\u4e0b\u9762\u8fd9\u4e2a\u7ec4\u7f51\u4e3a\u4f8b\uff1a  <\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff269a551b7.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757921782696-c39d761f-1269-4f82-a717-97c86f68b40a.png\" \/><\/p>\n<p>LAC \u548c LNS \u4e0a\u7684\u914d\u7f6e\u5982\u4e0b\uff1a  <\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>LAC<\/th>\n<th>LNS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>interface Virtual-Template 1 ppp authentication-mode chap <br \/>ppp chap user lac <br \/>ppp chap password cipher Password1 <br \/>ip address ppp-negotiate <br \/>call-lns local-user lac binding l2tp-group 1 \/\/LAC \u5411 LNS \u53d1\u8d77\u62e8\u53f7 <br \/>l2tp-group 1 <br \/>tunnel authentication <br \/>tunnel password cipher Password1<br \/>tunnel name lac <br \/>start l2tp ip 1.1.1.2 fullusername lac \/\/\u6307\u5b9a\u96a7\u9053\u5bf9 \u7aef\u5730\u5740 <br \/>l2tp enable <br \/>ip route-static 192.168.0.0 255.255.255.0 Virtual-Template 1 \/\/\u914d\u7f6e\u53bb\u5f80\u603b\u90e8\u7f51\u7edc\u7684\u9759\u6001\u8def\u7531\uff0c \u6b64\u5904\u4e0e Client-Initiated VPN \u4ee5\u53ca NAS-Initiated VPN \u4e0d\u540c\uff0c LAC \u4e0a\u5fc5\u987b\u914d\u7f6e\u8be5\u6761\u8def\u7531\uff0c\u6307\u5f15\u5206\u652f\u673a\u6784\u7528\u6237\u8bbf\u95ee\u603b\u90e8\u7f51 \u7edc\u7684\u62a5\u6587\u8fdb\u5165 L2TP \u96a7\u9053<\/td>\n<td>interface Virtual-Template 1 ppp authentication-mode chap <br \/>ip address 10.1.1.1 255.255.255.0 <br \/>remote address pool 1 <br \/>l2tp-group 1 <br \/>tunnel authentication <br \/>tunnel password cipher Password1 <br \/>tunnel name lns <br \/>allow l2tp virtual-template 1 remote lac \/\/\u5141\u8bb8\u8fdc\u7aef\u63a5\u5165 <br \/>l2tp enable <br \/>aaa <br \/>local-user lac password Password1 <br \/>local-user lac service-type ppp ip pool 1 10.1.1.2 <br \/>ip route-static 172.16.0.0 255.255.255.0 Virtual-Template 1 \/\/\u914d\u7f6e\u53bb\u5f80\u5206\u652f\u673a\u6784\u7f51\u7edc\u7684\u9759\u6001\u8def\u7531\uff0c\u5982\u679c LAC \u4e0a\u914d\u7f6e\u4e86\u6e90 NAT\uff0c\u5219\u65e0\u9700\u914d\u7f6e\u8be5\u6761\u8def\u7531\uff0c<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>LAC-Auto-Initiated VPN \u7684\u5efa\u7acb\u8fc7\u7a0b\u4e0e Client-Initiated VPN \u7c7b\u4f3c\uff0c\u4e0d\u8fc7\u5728\u524d\u8005\u4e2d\uff0cLAC \u53d6\u4ee3\u4e86 Client-Initiated VPN \u4e2d L2TP Client \u7684\u89d2\u8272<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff269fd836f.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757985332452-4c2e250f-cdf3-4841-a0cb-36d28faa369b.png\" \/><\/p>\n<p>\u5404\u4e2a\u9636\u6bb5\u7684\u5efa\u7acb\u8fc7\u7a0b\u4e0e Client-Initiated VPN \u7684\u5efa\u7acb\u8fc7\u7a0b\u5927\u540c\u5c0f\u5f02\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f \u5728\u9636\u6bb5 3 \u4e2d\uff0cLNS \u53ea\u5bf9 LAC \u8fdb\u884c\u9a8c\u8bc1\uff0c\u9a8c\u8bc1\u901a\u8fc7\u540e\u4e3a LAC \u7684 VT \u63a5\u53e3\u5206\u914d IP \u5730\u5740\uff0c\u800c\u4e0d\u662f\u4e3a\u5206\u652f\u673a\u6784\u7528\u6237\u5206\u914d IP \u5730\u5740\uff0c\u867d\u7136 LNS \u4e0d\u4e3a\u5206\u652f\u673a\u6784\u5206\u914d IP \u5730\u5740\uff0c\u4f46\u662f\u5e76\u4e0d\u4ee3\u8868\u5206\u652f\u673a\u6784\u7684 IP \u5730\u5740\u53ef\u4ee5\u968f\u610f\u914d\u7f6e<\/p>\n<p>\u4e3a\u4e86\u4fdd\u8bc1\u5206\u652f\u673a\u6784\u7f51\u7edc\u4e0e\u603b\u90e8\u7f51\u7edc\u4e4b\u95f4\u6b63\u5e38\u8bbf\u95ee\uff0c\u9700\u8981\u4e3a\u5206\u652f\u673a\u6784\u7f51\u7edc\u548c\u603b\u90e8\u7f51\u7edc\u89c4\u5212\u5404\u81ea\u72ec\u7acb\u7684\u79c1\u7f51\u7f51\u6bb5\uff0c\u4e8c\u8005\u7f51\u6bb5\u5730\u5740\u4e0d\u80fd\u91cd\u53e0<\/p>\n<p><strong>\u603b\u7ed3 LAC-Auto-Initiated VPN \u7279\u70b9\uff1a<\/strong><\/p>\n<p>LAC-Auto-Initiated VPN \u573a\u666f\u4e2d\uff0cLAC \u548c LNS \u4e4b\u95f4\u5efa\u7acb\u4e00\u6761\u6c38\u4e45\u96a7\u9053\uff0c\u4e14\u4ec5\u627f\u8f7d\u4e00\u6761\u6c38\u4e45\u7684 L2TP \u4f1a\u8bdd\u548c PPP \u8fde\u63a5\uff0cL2TP \u4f1a\u8bdd\u548c PPP \u8fde\u63a5\u53ea\u5b58\u5728\u4e8e LAC \u548c LNS \u4e4b\u95f4<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26a2206ba.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757985575453-7d9ebb11-6b1e-4b09-9d56-01b1aebb6a5f.png\" \/><\/p>\n<p>LAC-Auto-Initiated VPN \u7684 PPP \u5c01\u88c5\u548c L2TP \u5c01\u88c5\u4ec5\u9650\u4e8e LAC \u548c LNS \u4e4b\u95f4\u7684\u62a5\u6587\u4ea4\u4e92\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26a437e37.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757985642758-ac7d5c2d-a2f6-4f41-ab31-9eea92039051.png\" \/><\/p>\n<p>\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u7684\u662f\u56de\u7a0b\u62a5\u6587\u5982\u4f55\u8fdb\u5165\u96a7\u9053\uff0c\u4e0e Client-Initiated VPN \u4ee5\u53ca NAS-Initiated VPN \u4e0d\u540c\uff0c\u5728 LAC-Auto-Initiated VPN \u4e2d\uff0cLNS \u53ea\u4e0b\u53d1\u4e86\u4e00\u6761\u76ee\u7684\u5730\u5740\u4e3a LAC \u7684 VT \u63a5\u53e3\u5730\u5740\u7684 UNR \u8def\u7531\uff0c\u5e76\u6ca1\u6709\u53bb\u5f80\u5206\u652f\u673a\u6784\u7684\u8def\u7531\uff0c\u5bf9\u6b64 LNS \u53ea\u5bf9\u5206\u914d\u51fa\u53bb\u7684 IP \u5730\u5740\u8d1f\u8d23\uff0c\u6240\u4ee5\u4fdd\u8bc1\u53ef\u4ee5\u5230\u8fbe\u5bf9\u7aef LAC \u7684 VT \u63a5\u53e3\uff0c\u5206\u652f\u673a\u6784\u7f51\u7edc\u5730\u5740\u4e0d\u662f LNS \u5206\u914d\u7684\u3002<\/p>\n<p>\u5982\u4f55\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u662f\u5728 LNS \u624b\u52a8\u914d\u7f6e\u4e00\u6761\u53bb\u5f80\u5206\u652f\u673a\u6784\u7684\u7f51\u7edc\u9759\u6001\u8def\u7531\uff0c\u6307\u5f15\u56de\u7a0b\u62a5\u6587\u8fdb\u5165\u96a7\u9053\uff1a<\/p>\n<p><code>ip route-static 172.16.0.0 255.255.255.0 Virtual-Template 1<\/code><\/p>\n<p>\u9664\u4e86\u914d\u7f6e\u9759\u6001\u8def\u7531\uff0c\u8fd8\u53ef\u4ee5\u5728 LAC \u4e0a\u914d\u7f6e\u6e90 NAT\uff0c\u628a\u5206\u652f\u673a\u6784\u8bbf\u95ee\u603b\u90e8\u7f51\u7edc\u62a5\u6587\u7684\u6e90\u5730\u5740\u8f6c\u5316\u6210 VT \u63a5\u53e3\u7684\u5730\u5740\uff0c\u5373 easy-IP \u65b9\u5f0f\u7684\u6e90 NAT\uff0cLNS \u6536\u5230\u56de\u7a0b\u62a5\u6587\u540e\uff0c\u53d1\u73b0\u76ee\u7684\u5730\u5740\u662f LAC \u7684 VT \u63a5\u53e3\u7684 IP \u5730\u5740\uff0c\u5c31\u4f1a\u6309\u7167 UNR \u8def\u7531\u8fdb\u5165\u96a7\u9053\u8f6c\u53d1<\/p>\n<p>\u4e0b\u9762\u4ee5\u5b9e\u9645\u7ec4\u7f51\u4e3a\u4f8b\uff0c\u4ecb\u7ecd LAC \u4e0a\u914d\u7f6e\u6e90 NAT \u540e\uff0c\u5206\u652f\u673a\u6784\u7528\u6237\u8bbf\u95ee\u603b\u90e8\u670d\u52a1\u5668\u65f6\u7684\u62a5\u6587\u5c01\u88c5\u4e0e\u89e3\u5c01\u88c5\u7684\u8fc7\u7a0b<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26a6a37f7.png\" class=\"lazy\" loading=\"lazy\" alt=\"1757985994771-14effa8f-11d3-4217-97e8-6936a3e9992a.png\" \/><\/p>\n<p><strong>\u00b71\u00b7<\/strong>LAC \u6536\u5230\u5206\u652f\u673a\u6784\u7528\u6237\u8bbf\u95ee\u603b\u90e8\u670d\u52a1\u5668\u7684\u539f\u59cb\u62a5\u6587\u540e\uff0c\u6839\u636e\u76ee\u7684\u5730\u5740\u67e5\u627e\u8def\u7531\uff0c\u547d\u4e2d\u6211\u4eec\u624b\u52a8\u914d\u7f6e\u7684\u9759\u6001\u8def\u7531\uff0c\u5c06\u62a5\u6587\u53d1\u9001\u81f3 VT \u63a5\u53e3\u3002<\/p>\n<p><strong>\u00b72\u00b7<\/strong>LAC \u5728 VT \u63a5\u53e3\u5bf9\u539f\u59cb\u62a5\u6587\u8fdb\u884c NAT \u8f6c\u6362\uff0c\u5c06\u6e90\u5730\u5740\u8f6c\u6362\u6210 VT \u63a5\u53e3\u5730\u5740\uff0c\u7136\u540e\u4e3a\u62a5\u6587\u5c01\u88c5 PPP \u5934\u3001L2TP \u5934\u548c\u516c\u7f51\u5730\u5740\uff0cLAC \u6839\u636e\u516c\u7f51\u76ee\u7684\u5730\u5740\u67e5\u627e\u8def\u7531\uff0c\u5c06\u5c01\u88c5\u540e\u7684\u62a5\u6587\u53d1\u9001\u81f3 LNS<\/p>\n<p><strong>\u00b73\u00b7<\/strong>LNS \u6536\u5230\u62a5\u6587\u540e\uff0c\u5265\u79bb\u8c03 PPP \u5934\u3001L2TP \u5934\uff0c\u6839\u636e\u76ee\u7684\u5730\u5740\u67e5\u627e\u8def\u7531\uff08\u6b64\u5904\u4e3a\u76f4\u8fde\u8def\u7531\uff09\uff0c\u7136\u540e\u5c06\u62a5\u6587\u53d1\u9001\u81f3\u603b\u90e8\u670d\u52a1\u5668<\/p>\n<p><strong>\u00b74\u00b7<\/strong>LNS \u6536\u5230\u603b\u90e8\u670d\u52a1\u5668\u7684\u56de\u7a0b\u62a5\u6587\u5462\u540e\uff0c\u6839\u636e\u76ee\u7684\u5730\u5740\u67e5\u627e\u8def\u7531\uff0c\u547d\u4e2d LNS \u81ea\u52a8\u4e0b\u53d1\u7684 UNR \u8def\u7531\uff0c\u5c06\u62a5\u6587\u53d1\u9001\u81f3 VT \u63a5\u53e3<\/p>\n<p><strong>\u00b75\u00b7<\/strong>\u62a5\u6587\u5728 VT \u63a5\u53e3\u5c01\u88c5 PPP \u5934\u3001L2TP \u5934\u548c\u516c\u7f51\u5730\u5740\uff0cLNS \u6839\u636e\u516c\u7f51\u76ee\u7684\u5730\u5740\u67e5\u627e\u8def\u7531\uff0c\u5c06\u5c01\u88c5\u540e\u7684\u62a5\u6587\u53d1\u9001\u81f3 LAC<\/p>\n<p><strong>\u00b76\u00b7<\/strong>LAC \u6536\u5230\u62a5\u6587\u540e\uff0c\u5265\u79bb PPP \u5934\u3001L2TP \u5934\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u8f6c\u6362\u6210\u5206\u652f\u673a\u6784\u7528\u6237\u5730\u5740\uff0c\u7136\u540e\u5c06\u62a5\u6587\u53d1\u9001\u81f3\u5206\u652f\u673a\u6784\u7528\u6237<\/p>\n<p>\u5728 LAC \u4e0a\u914d\u7f6e easy-IP \u65b9\u5f0f\u6e90 NAT \u793a\u4f8b\u5982\u4e0b\uff08\u5047\u8bbe\u5728 LAC \u4e0a\u8fde\u63a5\u5206\u652f\u673a\u6784\u7f51\u7edc\u7684\u63a5\u53e3\u5c5e\u4e8e Trust \u533a\u57df\uff0cVT \u63a5\u53e3\u5c5e\u4e8e Untrust \u533a\u57df\uff09<\/p>\n<pre class=\"prettyprint linenums\" ><code class=\"language-plsql\">nat-policy interzone trust untrust outbound\npolicy 1\n action source-nat\n policy source 172.16.0.0 0.0.0.255\neasy-ip Virtual-Template 1 <\/code><\/pre>\n<p><strong>\u4e09\u79cd L2TP VPN \u603b\u7ed3<\/strong><\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u9879\u76ee<\/th>\n<th>Client-Initiated VPN<\/th>\n<th>NAS-Initiated VPN<\/th>\n<th>LAC-Auto-Initiated VPN<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u534f\u5546\u65b9\u5f0f<\/td>\n<td>L2TP Client \u548c LNS \u534f\u5546 \u5efa\u7acbL2TP\u96a7\u9053\u548cL2TP\u4f1a \u8bdd\u3001\u5efa\u7acb PPP \u8fde\u63a5<\/td>\n<td>\u63a5\u5165\u7528\u6237\u4f7f\u7528 PPPoE \u62e8\u53f7\u89e6\u53d1 LAC \u548c LNS \u4e4b\u95f4\u534f\u5546\u5efa\u7acb L2TP \u96a7\u9053\u548c L2TP \u4f1a\u8bdd\uff0c\u63a5\u5165\u7528\u6237\u548c LNS \u534f\u5546\u5efa \u7acb PPP \u8fde\u63a5<\/td>\n<td>LAC \u4e3b\u52a8\u62e8\u53f7\uff0c\u548c LNS \u534f\u5546\u5efa\u7acb L2TP \u96a7\u9053\u548c L2TP \u4f1a\u8bdd\u3001\u5efa\u7acb PPP \u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u96a7\u9053\u548c\u4f1a\u8bdd\u5173\u7cfb<\/td>\n<td>\u6bcf\u4e2a L2TP Client \u548c LNS \u4e4b\u95f4\u5747\u5efa\u7acb\u4e00\u6761 L2TP \u96a7 \u9053\uff0c\u6bcf\u6761\u96a7\u9053\u4e2d\u4ec5\u627f\u8f7d\u4e00 \u6761 L2TP \u4f1a\u8bdd\u548c PPP \u8fde\u63a5<\/td>\n<td>LAC \u548c LNS \u7684\u8fde\u63a5\u53ef\u5b58\u5728\u591a\u6761 L2TP \u96a7\u9053\uff0c\u4e00\u6761 L2TP \u96a7\u9053\u4e2d\u53ef\u627f\u8f7d\u591a\u6761 L2TP \u4f1a\u8bdd<\/td>\n<td>LAC \u548c LNS \u4e4b\u95f4\u5efa\u7acb\u4e00\u6761\u6c38\u4e45\u7684 L2TP \u96a7\u9053\uff0c\u4e14\u4ec5\u627f\u8f7d\u4e00\u6761\u6c38\u4e45\u7684 L2TP \u4f1a\u8bdd\u548c PPP \u8fde\u63a5<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u6027<\/td>\n<td>LNS \u5bf9 L2TP Client \u8fdb\u884c PPP \u8ba4\u8bc1\uff08 PAP \u6216 CHAP\uff09\uff0c\u5b89\u5168\u6027\u8f83\u9ad8<\/td>\n<td>LAC \u5bf9\u63a5\u5165\u7528\u6237\u8fdb\u884c\u8ba4\u8bc1\uff0cLNS \u5bf9\u63a5 \u5165\u7528\u6237\u8fdb\u884c\u4e8c\u6b21\u8ba4\u8bc1\uff08\u53ef\u9009\uff09\uff0c\u5b89\u5168\u6027 \u6700\u9ad8<\/td>\n<td>LAC \u4e0d\u5bf9\u7528\u6237\u8fdb\u884c\u8ba4\u8bc1\uff0cLNS \u5bf9 LAC \u914d\u7f6e\u7684\u7528\u6237\u8fdb\u884c PPP \u8ba4\u8bc1\uff08PAP \u6216 CHAP\uff09\uff0c\u5b89\u5168\u6027\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u7a0b\u8def\u7531\u914d\u7f6e<\/td>\n<td>LNS \u4e0a\u4f1a\u81ea\u52a8\u4e0b\u53d1 UNR \u8def\u7531\uff0c\u6307\u5bfc\u56de\u7a0b\u62a5\u6587\u8fdb\u5165 L2TP \u96a7\u9053\uff0c\u65e0\u9700\u624b\u52a8\u914d\u7f6e<\/td>\n<td>LNS \u4e0a\u4f1a\u81ea\u52a8\u4e0b\u53d1 UNR \u8def\u7531\uff0c\u6307\u5bfc \u56de\u7a0b\u62a5\u6587\u8fdb\u5165 L2TP \u96a7\u9053\uff0c\u65e0\u9700\u624b\u52a8 \u914d\u7f6e<\/td>\n<td>LNS \u4e0a\u9700\u8981\u624b\u52a8\u914d\u7f6e\u76ee\u7684\u5730\u5740\u4e3a\u7f51\u6bb5 \u7684\u9759\u6001\u8def\u7531\uff0c\u6216\u8005\u5728 LAC \u4e0a\u914d\u7f6e easy-IP \u65b9\u5f0f\u7684\u6e90 NAT<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h2>IPSec VPN<\/h2>\n<p><strong>\u80cc\u666f\uff1a<\/strong><\/p>\n<p>\u968f\u7740 GRE \u548c L2TP \u7684\u5e7f\u6cdb\u5e94\u7528\uff0c\u5728\u603b\u90e8\u548c\u5404\u4e2a\u5206\u90e8\u4e4b\u95f4\u90e8\u7f72\u4e86 GRE \u548c L2TP \u65e0\u8bba\u662f GRE \u8fd8\u662f L2TP\uff0c\u5efa\u7acb \u7684\u96a7\u9053\u90fd\u6ca1\u6709\u4efb\u4f55\u5b89\u5168\u52a0\u5bc6\u63aa\u65bd \u3002 IPSec\uff08IP Security\uff09\u3002\u4f5c\u4e3a\u65b0\u4e00\u4ee3\u7684 VPN \u6280\u672f\uff0cIPSec \u53ef\u4ee5\u5728 Internet \u4e0a\u5efa\u7acb\u5b89\u5168\u7a33\u5b9a\u7684\u4e13\u7528\u7ebf\u8def\u3002\u4e0e GRE \u548c L2TP \u76f8\u6bd4\uff0cIPSec \u66f4 \u52a0\u5b89\u5168\uff0c\u80fd\u591f\u4fdd\u8bc1\u603b\u90e8\u4e0e\u5206\u90e8\u4e4b\u95f4\u6d88\u606f\u7684\u5b89\u5168\u4f20\u8f93\u3002  <\/p>\n<p>IPSec \u5de7\u5999\u501f\u7528\u4e86\u5bc6\u7801 \u5b66\u95e8\u6d3e\u6240\u64c5\u957f\u7684\u6613\u5bb9\u969c\u773c\u4e4b\u6cd5\uff0c\u878d\u4f1a\u5230\u81ea\u521b\u7684 AH\uff08Authentication Header\uff0c\u9a8c\u8bc1\u5934\uff09\u548c ESP \uff08Encapsulating Security Payload\uff0c\u5c01\u88c5\u5b89\u5168\u8f7d\u8377\uff09   \u65e2\u53ef\u6539\u5934\u6362\u9762\u7792\u5929\u8fc7\u6d77\uff0c \u4e5f\u80fd\u9a8c\u660e\u6b63\u8eab\u5b8c\u74a7\u5f52\u8d75\u3002\u5373\u4fbf\u6d88\u606f\u88ab\u622a\u83b7\u4e86\u4e5f\u6ca1\u4eba\u80fd\u770b\u61c2\uff0c\u88ab\u7be1\u6539\u4e86\u4e5f\u80fd\u53ca\u65f6\u53d1\u73b0\u3002  <\/p>\n<h3><strong>\u52a0\u5bc6<\/strong><\/h3>\n<p>IPSec\u5728\u4f20\u9012\u6d88\u606f\u4e4b\u524d\uff0c\u5148\u4f7f\u7528\u52a0\u5bc6\u7b97\u6cd5\u548c\u52a0\u5bc6\u5bc6\u94a5\uff1b\u53e6\u4e00\u65b9\u6536\u5230\u6d88\u606f\u540e\uff0c\u4f7f\u7528\u76f8\u540c\u7684\u52a0\u5bc6\u7b97\u6cd5\u548c\u52a0\u5bc6\u5bc6\u94a5\uff0c\u9006\u5411\u89e3\u5bc6\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26a903b1a.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014104038903\" \/><\/p>\n<p>\u4f8b\u603b\u90e8\u548c\u5206\u90e8\u4f7f\u7528\u76f8\u540c\u5bc6\u94a5\u6765\u52a0\u5bc6\u548c\u89e3\u5bc6\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e5f\u79f0\u4f5c\u5bf9\u79f0\u52a0\u5bc6\u7b97\u6cd5\uff0c\u4e3b\u8981\u5305\u62ecDES\u30013DES\u548cAES\u3002<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u9879\u76ee<\/th>\n<th>DES<\/th>\n<th>3DES<\/th>\n<th>AES<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5168\u79f0<\/td>\n<td>Data Encryption Standard<\/td>\n<td>Triple Data Encryption Standard<\/td>\n<td>Advanced Encryption Standard<\/td>\n<\/tr>\n<tr>\n<td>\u5bc6\u94a5\u957f\u5ea6<\/td>\n<td>56\uff08\u4f4d\uff09<\/td>\n<td>168\uff08\u4f4d\uff09<\/td>\n<td>128\u3001192\u3001256\uff08\u4f4d\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u7ea7\u522b<\/td>\n<td>\u4f4e<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h3><strong>\u9a8c\u8bc1<\/strong><\/h3>\n<p>\u4e00\u65b9\u4f20\u9012\u6d88\u606f\u4e4b\u524d\uff0c\u5148\u4f7f\u7528\u9a8c\u8bc1\u7b97\u6cd5\u548c\u9a8c\u8bc1\u5bc6\u94a5\u5bf9\u4fe1\u606f\u8fdb\u884c\u5904\u7406\uff0c\u5f97\u5230\u7b7e\u5b57\u753b\u62bc\u7684\u6587\u4e66\u2014\u2014\u7b7e\u540d\u3002\u968f\u540e\u5c06\u524d\u9762\u534f\u6d88\u606f\u4e00\u8d77\u53d1\u51fa\uff0c\u6536\u4fe1\u8005\u4f7f\u7528\u76f8\u540c\u9a8c\u8bc1\u7b97\u6cd5\u548c\u9a8c\u8bc1\u5bc6\u94a5\u5bf9\u6d88\u606f\u8fdb\u884c\u5904\u7406\uff0c\u5f97\u5230\u524d\u9762\uff0c\u7136\u540e\u6bd4\u5bf9\u4e24\u7aef\u7684\u524d\u9762\uff0c\u5982\u679c\u76f8\u540c\u5219\u8bc1\u660e\u6d88\u606f\u6ca1\u6709\u88ab\u7be1\u6539\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26ab5cc11.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014144325516\" \/><br \/>\n\u9664\u4e86\u5bf9\u6d88\u606f\u7684\u5b8c\u6574\u6027\u8fdb\u884c\u9a8c\u8bc1\uff0cIPSec \u8fd8\u53ef\u4ee5\u5bf9\u6d88\u606f\u7684\u6765\u6e90\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5373\u9a8c\u660e\u6d88\u606f\u7684\u6b63\u8eab\uff0c<br \/>\n\u4fdd\u8bc1\u6d88\u606f\u6765\u81ea\u771f\u5b9e\u7684\u53d1\u9001\u8005\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u9a8c\u8bc1\u548c\u52a0\u5bc6\u914d\u5408\u4f7f\u7528\uff0c\u52a0\u5bc6\u540e\u7684\u62a5\u6587\u7ecf\u8fc7\u9a8c\u8bc1\u7b97\u6cd5\u5904\u7406\u751f\u6210\u7b7e\u540d\uff0c\u5e38\u7528\u7684\u9a8c\u8bc1\u7b97\u6cd5\u6709MD5\u548cSHA\u7cfb\u5217\u3002<\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u9879\u76ee<\/th>\n<th>MD5<\/th>\n<th>SHA1<\/th>\n<th>SHA2<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5168\u79f0<\/td>\n<td>Message Digest 5<\/td>\n<td>Secure Hash Algorithm 1<\/td>\n<td>Secure Hash Algorithm 2<\/td>\n<\/tr>\n<tr>\n<td>\u7b7e\u540d\u957f\u5ea6<\/td>\n<td>128\u4f4d<\/td>\n<td>160\u4f4d<\/td>\n<td>SHA2-256: 256\u4f4d<br \/>SHA2-384: 384\u4f4d<br \/>SHA2-512: 512\u4f4d<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u7ea7\u522b<\/td>\n<td>\u4f4e<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>IPSec \u7684\u4e24\u5927\u7edd\u6280\u4e2d\uff0cAH \u53ea\u80fd\u7528\u6765\u9a8c\u8bc1\uff0c\u6ca1\u6709\u52a0\u5bc6\u7684\u529f\u80fd\uff0c\u800c ESP \u540c\u65f6\u5177\u6709\u52a0\u5bc6\u548c\u9a8c\u8bc1\u7684<br \/>\n\u529f\u80fd\uff0cAH \u548c ESP \u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\u4e5f\u53ef\u4ee5\u914d\u5408\u4f7f\u7528\u3002<\/p>\n<h3>\u5b89\u5168\u5c01\u88c5<\/h3>\n<p>IPSec\u8bbe\u8ba1\u4e86\u4e24\u79cd\u5c01\u88c5\u6a21\u5f0f\uff1a<\/p>\n<h4><strong>\u96a7\u9053\u6a21\u5f0f<\/strong><\/h4>\n<p>\u8be5\u6a21\u5f0f\u4e0b\uff0cAH\u5934\u6216ESP\u5934\u88ab\u63d2\u5230\u539f\u59cbIP\u5934\u4e4b\u524d\uff0c\u53e6\u5916\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u62a5\u6587\u5934\u653e\u5230AH\u5934\u6216ESP\u5934\u4e4b\u524d\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26ad69c06.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014145405667\" \/><\/p>\n<p>\u96a7\u9053\u6a21\u5f0f\u4f7f\u7528\u65b0\u7684\u62a5\u6587\u5934\u6765\u5c01\u88c5\u6d88\u606f\uff0c\u53ef\u4ee5\u4fdd\u62a4\u4e00\u4e2a\u7f51\u7edc\u7684\u6d88\u606f\uff0c\u9002\u7528\u4e8e\u4e24\u4e2a\u7f51\u5173\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<h4><strong>\u4f20\u8f93\u6a21\u5f0f<\/strong><\/h4>\n<p>\u8be5\u6a21\u5f0f\u4e0b\uff0cAH\u5934\u6216ESP\u5934\u88ab\u63d2\u5165\u5230IP\u5934\u4e0e\u4f20\u8f93\u5c42\u534f\u8bae\u5934\u4e4b\u95f4\uff1a<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26afaf6e2.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014145525833\" \/><\/p>\n<p>\u4f20\u8f93\u6a21\u5f0f\u4e0d\u6539\u53d8\u62a5\u6587\u5934\uff0c\u96a7\u9053\u7684\u6e90\u548c\u76ee\u7684\u5730\u5740\u5c31\u662f\u6700\u7ec8\u901a\u4fe1\u53cc\u65b9\u7684\u6e90\u548c\u76ee\u7684\u5730\u5740\uff0c\u901a\u4fe1\u53cc\u65b9\u667a\u80fd\u4fdd\u62a4\u81ea\u5df1\u53d1\u51fa\u7684\u6d88\u606f\uff0c\u4e0d\u80fd\u4fdd\u62a4\u4e00\u4e2a\u7f51\u7edc\u7684\u6d88\u606f\uff0c\u6240\u4ee5\u8be5\u6a21\u5f0f\u53ea\u9002\u7528\u4e8e\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u901a\u4fe1\u3002<\/p>\n<h3>\u5b89\u5168\u8054\u76df<\/h3>\n<p>IPSec\u4e2d\u901a\u4fe1\u53cc\u65b9\u5efa\u7acb\u7684\u8fde\u63a5\u53eb\u505a<strong>\u5b89\u5168\u8054\u76df<\/strong>\uff08SA|Security Association\uff09\u3002<\/p>\n<p>\u4f7f\u7528\u76f8\u540c\u7684\u5c01\u88c5\u6a21\u5f0f\u3001\u52a0\u5bc6\u7b97\u6cd5\u3001\u52a0\u5bc6\u5bc6\u94a5\u3001\u9a8c\u8bc1\u7b97\u6cd5\u3001\u9a8c\u8bc1\u5bc6\u94a5\u3001\u76f8\u4e92\u4fe1\u4efb\u4eb2\u5bc6\u65e0\u95f4\u3002<\/p>\n<p>\u5b89\u5168\u8054\u76df\u662f\u5355\u5411\u7684\u903b\u8f91\u8fde\u63a5\uff0c\u4e3a\u4e86\u4f7f\u6bcf\u4e2a\u65b9\u5411\u90fd\u5f97\u5230\u4fdd\u62a4\uff0c\u53cc\u65b9\u7684\u6bcf\u4e2a\u65b9\u5411\uff08\u51fa|\u5165\uff09\u90fd\u8981\u5efa\u7acb\u5b89\u5168\u8054\u76df\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26b1e9595.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014145912942\" \/><\/p>\n<p>\u4e3a\u4e86\u533a\u5206\u4e0d\u540c\u65b9\u5411\u7684\u5b89\u5168\u8054\u76df\uff0cIPSec\u4e3a\u6bcf\u4e2a\u5b89\u5168\u8054\u76df\u90fd\u6253\u4e0a\u4e86\u552f\u4e00\u7684\u6807\u8bc6\u7b26\uff0c\u8fd9\u4e2a\u6807\u8bc6\u7b26\u53eb\u505aSPI\uff08Security Parameter Index\uff09<\/p>\n<p>\u5efa\u7acb\u5b89\u5168\u8054\u76df\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\u5c31\u662f\u5206\u522b\u5728\u901a\u4fe1\u53cc\u65b9\u4e0a<strong>\u624b\u52a8<\/strong>\u8bbe\u5b9a\u597d\u5c01\u88c5\u6a21\u5f0f\u3001\u52a0\u5bc6\u7b97\u6cd5\u3001\u52a0\u5bc6\u5bc6\u94a5\u3001\u9a8c\u8bc1\u7b97\u6cd5\u3001\u9a8c\u8bc1\u5bc6\u94a5\u3002<\/p>\n<h3>\u624b\u52a8\u90e8\u7f72IPSec\u96a7\u9053<\/h3>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26b4646ab.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014150226546\" \/><\/p>\n<p>\u4e3a\u4e86\u8ba9\u52a0\u5bc6\u3001\u9a8c\u8bc1\u3001\u5b89\u5168\u8054\u76df\u7684\u914d\u7f6e\u5173\u7cfb\u66f4\u6e05\u6670\uff0cIPSec\u4e3a\u624b\u5de5\u65b9\u5f0f\u5b9a\u4e49\u4e86\u56db\u4e2a\u6b65\u9aa4\uff1a<\/p>\n<p>1-\u5b9a\u4e49\u9700\u8981\u4fdd\u62a4\u7684\u6570\u636e\u6d41\u2014\u2014\u53ea\u6709\u53cc\u65b9\u7684\u6d88\u606f\u624d\u53d7\u4fdd\u62a4<\/p>\n<p>2-\u914d\u7f6eIPSec\u5b89\u5168\u63d0\u8bae\u2014\u2014\u5c01\u88c5\u6a21\u5f0f\u3001ESP\u3001\u52a0\u5bc6\u7b97\u6cd5\u548c\u9a8c\u8bc1\u7b97\u6cd5\u5747\u8981\u5728\u5176\u4e2d\u8bbe\u7f6e<\/p>\n<p>3-\u914d\u7f6e\u624b\u5de5\u65b9\u5f0f\u7684IPSec\u5b89\u5168\u7b56\u7565\u2014\u2014\u6307\u5b9a\u53cc\u65b9\u516c\u7f51\u5730\u5740\u3001\u5b89\u5168\u8054\u76df\u6807\u8bc6\u7b26SPI\u3001\u52a0\u5bc6\u5bc6\u94a5\u548c\u9a8c\u8bc1\u5bc6\u94a5<\/p>\n<p>4-\u5e94\u7528IPSec\u5b89\u5168\u7b56\u7565<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26b6f2c2f.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014150529889\" \/><\/p>\n<div class=\"table-responsive\"><table class=\"table\" >\n<thead>\n<tr>\n<th>\u914d\u7f6e\u9879<\/th>\n<th style=\"text-align: center;\">\u603b\u90e8<\/th>\n<th>\u5206\u90e8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ACL<\/td>\n<td style=\"text-align: center;\">acl number 3000<br \/>rule 5 permit ip source 192.168.0.0<br \/>0.0.0.255 destination 172.16.0.0 0.0.0.255<\/td>\n<td>acl number 3000<br \/>rule 5 permit ip source 172.16.0.0 0.0.0.255<br \/>destination 192.168.0.0 0.0.0.255<\/td>\n<\/tr>\n<tr>\n<td>IPSec\u5b89\u5168\u6a21\u5f0f<\/td>\n<td style=\"text-align: center;\">acl number 3000<br \/>rule 5 permit ip source 172.16.0.0 0.0.0.255<br \/>destination 192.168.0.0 0.0.0.255<\/td>\n<td>acl number 3000<br \/>rule 5 permit ip source 172.16.0.0 0.0.0.255<br \/>destination 192.168.0.0 0.0.0.255<\/td>\n<\/tr>\n<tr>\n<td>IPSec\u5b89\u5168\u7b56\u7565<\/td>\n<td style=\"text-align: center;\">ipsec policy policy1 1 manual<br \/>security acl 3000<br \/>proposal pro1<br \/>tunnel local 1.1.1.1<br \/>tunnel remote 2.2.2.2<br \/>sa spi inbound esp 54321<br \/>sa spi outbound esp 12345<br \/>sa string-key inbound esp huawei@123<br \/>sa string-key outbound esp huawei@456<\/td>\n<td>ipsec policy policy1 1 manual<br \/>security acl 3000<br \/>proposal pro1<br \/>tunnel local 1.1.1.1<br \/>tunnel remote 2.2.2.2<br \/>sa spi inbound esp 54321<br \/>sa spi outbound esp 12345<br \/>sa string-key inbound esp huawei@123<br \/>sa string-key outbound esp huawei@456<\/td>\n<\/tr>\n<tr>\n<td>\u5e94\u7528IPSec\u5b89\u5168\u7b56\u7565<\/td>\n<td style=\"text-align: center;\">interface GigabitEthernet0\/0\/1<br \/>ip address 1.1.1.1 255.255.255.0<br \/>ipsec policy policy1<\/td>\n<td>interface GigabitEthernet0\/0\/1<br \/>ip address 1.1.1.1 255.255.255.0<br \/>ipsec policy policy1<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<blockquote>\n<blockquote>\n<p>[NOTE!]<\/p>\n<p>\u9664\u4e86\u4e0a\u8ff0\u914d\u7f6e\u5916\uff0c\u9632\u706b\u5899\u5b89\u5168\u6d4b\u4e5f\u9700\u8981\u914d\u7f6e\uff0c\u5141\u8bb8\u603b\u90e8\u548c\u5206\u90e8\u5efa\u7acb\u5b89\u5168\u8054\u76df\uff0c\u4ee5\u53ca\u5141\u8bb8\u53cc\u65b9\u79c1\u7f51\u4e92\u8bbf\u3002<\/p>\n<\/blockquote>\n<\/blockquote>\n<p>\u90e8\u7f72\u5b8c\u6210\u540e\uff0c\u603b\u90e8\u5185\u90e8\u7f51\u7edc\u5411\u5206\u90e8\u5185\u90e8\u7f51\u7edc\u53d1\u51fa ping \u6d88\u606f\uff0c\u5206\u90e8\u5185\u90e8\u7f51\u7edc\u56de\u590d ping \u6d88\u606f\uff0c<br \/>\n\u53d1\u73b0\u4e24\u4e2a\u65b9\u5411\u7684 ping \u6d88\u606f\u90fd\u5df2\u7ecf\u88ab IPSec \u5b89\u5168\u8054\u76df\u4fdd\u62a4\u3002\u4e24\u4e2a\u65b9\u5411\u4e0a IPSec \u5b89\u5168\u8054\u76df\u7684\u6807\u8bc6\u7b26 SPI \u5206\u522b\u4e3a 0x3039\uff08\u5341\u8fdb\u5236 12345\uff09\u4ee5\u53ca 0xd431\uff08\u5341\u8fdb\u5236 54321\uff09\uff0c\u4e0e\u4e0a\u6587\u914d\u7f6e\u76f8\u7b26\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26b8f41bf.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014151111751\" \/><br \/>\n\u5206\u6790\u62a5\u6587\u7684\u5185\u5bb9\uff0c\u53d1\u73b0 ping \u6d88\u606f\u5df2\u7ecf\u88ab\u52a0\u5bc6\uff0c\u9762\u76ee\u5168\u975e\u65e0\u6cd5\u8fa8\u8bc6<\/p>\n<p>\u4e3a\u4e86\u5bf9\u6bd4 ESP \u548c AH \u7684\u4f5c\u7528\uff0c\u53c8\u4f7f\u7528 IPSec \u4e2d\u7684\u53e6\u4e00\u7edd\u6280 AH \u6765\u5efa\u7acb\u5b89\u5168\u8054\u76df\u3002AH<br \/>\n\u53ea\u6709\u9a8c\u8bc1\u529f\u80fd\uff0c\u6ca1\u6709\u52a0\u5bc6\u7684\u529f\u80fd\uff0c\u80fd\u591f\u4ece\u67e5\u5230\u7684\u6d88\u606f\u4e2d\u770b\u5230\u79c1\u7f51\u62a5\u6587\u5934\u548c ping \u6d88\u606f\u771f\u5bb9\u3002<\/p>\n<p><img loading="lazy" decoding="async" decoding=\"async\"  src=\"https:\/\/www.youvii.site\/wp-content\/themes\/lolimeow-lolimeowV13.13\/assets\/images\/loading.gif\" data-src=\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/27\/68ff26bb8508c.png\" class=\"lazy\" loading=\"lazy\" alt=\"image-20251014151231044\" \/><\/p>\n<p>\u56e0\u6b64\uff0c\u8981\u5b9e\u73b0\u52a0\u5bc6\uff0c\u8fd8\u662f\u8981\u4f7f\u7528ESP\uff0c\u6216AH\u548cESP\u914d\u5408\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u9632\u706b\u5899 \u9632\u706b\u5899\u4e3b\u8981\u90e8\u7f72\u5728\u7f51\u7edc\u8fb9\u754c\uff0c\u5bf9\u8fdb\u51fa\u7f51\u7edc\u7684\u8bbf\u95ee\u884c\u4e3a\u8fdb\u884c\u63a7\u5236\uff0c\u5b89\u5168\u9632\u62a4\u662f\u5176\u6838\u5fc3\u7279\u6027\u3002 \u8def\u7531\u5668\u4e0e\u4ea4\u6362\u673a\u7684\u672c\u8d28\u662f\u8f6c\u53d1\uff0c\u9632\u706b\u5899\u7684\u672c\u8d28\u662f\u63a7\u5236\u3002 \u9632\u706b\u5899\u7684\u53d1\u5c55\u53f2 1989-1994 1989\u5e74\u4ea7\u751f\u4e86\u5305\u8fc7\u6ee4\u9632\u706b\u5899\uff0c\u5b9e\u73b0\u7b80\u5355\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u7b2c\u4e00\u4ee3\u9632\u706b\u5899\u3002 \u968f\u540e\u51fa\u73b0\u4e86\u4ee3\u7406\u9632\u706b\u5899\uff0c\u5728\u5e94\u7528\u5c42\u4ee3\u7406\u5185\u90e8\u7f51\u7edc\u548c\u5916\u90e8\u7f51\u7edc\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u5c5e\u4e8e\u7b2c\u4e8c\u4ee3\u9632\u706b\u5899\u3002\u4ee3\u7406\u9632\u706b\u5899\u5b89\u5168\u6027\u8f83\u9ad8\uff0c\u4f46\u5904\u7406\u901f\u5ea6\u6162\uff0c\u800c\u4e14\u5bf9\u6bcf\u4e00\u79cd\u5e94\u7528\u5f00\u53d1\u4e00\u4e2a\u5bf9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,62,3],"tags":[7,9,12,14,22],"class_list":["post-1121","post","type-post","status-publish","format-standard","hentry","category-huaweiensp","category-huaweiluyouyujiaohuan","category-interface","tag-study-c","tag-9","tag-12","tag-14","tag-windows"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/1121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=1121"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/1121\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=1121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=1121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=1121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}