{"id":466,"date":"2025-10-22T09:58:42","date_gmt":"2025-10-22T01:58:42","guid":{"rendered":"https:\/\/www.youvii.site\/?p=466"},"modified":"2025-10-22T09:58:42","modified_gmt":"2025-10-22T01:58:42","slug":"53portfastyubpdufanghu","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/53portfastyubpdufanghu","title":{"rendered":"5.3PortFast\u4e0eBPDU\u9632\u62a4"},"content":{"rendered":"<h1>5.3 PortFast\u4e0eBPDU\u9632\u62a4<\/h1>\n<p><font style=\"color:#000000;background-color:#ffffff;\">\u5f53\u8bbe\u5907\u8fde\u63a5\u5230\u4ea4\u6362\u673a\u7aef\u53e3\u6216\u8005\u5f53\u4ea4\u6362\u673a\u4e0a\u7535\u65f6\uff0c\u4ea4\u6362\u673a\u7aef\u53e3\u90fd\u4f1a\u7ecf\u5386\u4fa6\u542c\u548c\u5b66\u4e60\u72b6\u6001\uff0c\u6bcf\u6b21\u90fd\u8981\u7b49\u5f85\u8f6c\u53d1\u5ef6\u8fdf\u8ba1\u65f6\u5668\u8fc7\u671f\u3002\u4fa6\u542c\u548c\u5b66\u4e60\u8fd9\u4e24\u4e2a\u72b6\u6001\uff0c\u6bcf\u4e2a\u72b6\u6001\u7684\u5ef6\u8fdf\u4e3a 15 \u79d2\uff0c\u603b\u5171 30 \u79d2\u3002\u5f53 DHCP \u5ba2\u6237\u7aef\u5e0c\u671b\u53d1\u73b0 DHCP \u670d\u52a1\u5668\u65f6\uff0c\u8fd9\u4e2a\u5ef6\u8fdf\u53ef\u80fd\u4f1a\u5e26\u6765\u95ee\u9898\u3002\u76f4\u8fde\u4e3b\u673a\u53d1\u9001\u7684 DHCP \u6d88\u606f\u5728 30 \u79d2\u7684\u8f6c\u53d1\u5ef6\u8fdf\u8ba1\u65f6\u5668\u65f6\u95f4\u5185\u65e0\u6cd5\u5f97\u5230\u8f6c\u53d1\uff0c\u56e0\u6b64 DHCP \u8fdb\u7a0b\u53ef\u80fd\u4f1a\u8d85\u65f6\u3002\u7ed3\u679c\u662f IPv4 \u5ba2\u6237\u7aef\u5c06\u4e0d\u4f1a\u63a5\u6536\u5230\u6709\u6548\u7684 IPv4 \u5730\u5740\u3002<\/font><\/p>\n<p><strong><font style=\"color:#000000;background-color:#ffffff;\">\u6ce8\u610f<\/font><\/strong><font style=\"color:#000000;background-color:#ffffff;\">: \u867d\u7136\u5ba2\u6237\u7aef\u53d1\u9001 ICMPv6 \u8def\u7531\u5668\u8bf7\u6c42\u6d88\u606f\u65f6\u53ef\u80fd\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f46\u8def\u7531\u5668\u4f1a\u7ee7\u7eed\u53d1\u9001 ICMPv6 \u8def\u7531\u5668\u901a\u544a\u6d88\u606f\uff0c\u8ba9\u8bbe\u5907\u77e5\u9053\u5982\u4f55\u83b7\u53d6\u5176\u5730\u5740\u4fe1\u606f\u3002<\/font><\/p>\n<p><font style=\"color:#000000;background-color:#ffffff;\">\u5f53\u4ea4\u6362\u673a\u7aef\u53e3\u914d\u7f6e\u4e86 PortFast \u65f6\uff0c\u8fd9\u4e2a\u7aef\u53e3\u4f1a\u7acb\u523b\u4ece\u963b\u585e\u72b6\u6001\u8fc7\u6e21\u5230\u8f6c\u53d1\u72b6\u6001\uff0c\u7ed5\u8fc7\u901a\u5e38\u7684 802.1D STP \u8fc7\u6e21\u72b6\u6001\uff08\u4fa6\u542c\u548c\u5b66\u4e60\u72b6\u6001\uff09\uff0c\u907f\u514d\u4e86 30 \u79d2\u7684\u5ef6\u8fdf\u3002\u60a8\u53ef\u4ee5\u5728\u63a5\u5165\u7aef\u53e3\u4e0a\u4f7f\u7528 PortFast\uff0c\u8ba9\u8bbe\u5907\uff08\u5982 DHCP \u5ba2\u6237\u7aef\uff09\u7acb\u5373\u8fde\u63a5\u5230\u8fd9\u4e9b\u7aef\u53e3\uff0c\u800c\u4e0d\u9700\u8981\u7b49\u5f85 IEEE 802.1D STP \u5728\u6bcf\u4e2a VLAN \u4e0a\u6536\u655b\u3002\u7531\u4e8e PortFast \u7684\u76ee\u7684\u662f\u5c06\u63a5\u5165\u7aef\u53e3\u7b49\u5f85\u751f\u6210\u6811\u6536\u655b\u7684\u65f6\u95f4\u964d\u81f3\u6700\u4f4e\uff0c\u56e0\u6b64\u8fd9\u9879\u6280\u672f\u53ea\u80fd\u7528\u4e8e\u63a5\u5165\u7aef\u53e3\u4e0a\u3002\u5982\u679c\u5728\u8fde\u63a5\u5230\u5176\u4ed6\u4ea4\u6362\u673a\u7684\u7aef\u53e3\u4e0a\u542f\u7528 PortFast\uff0c\u5219\u4f1a\u589e\u52a0\u5f62\u6210\u751f\u6210\u6811\u73af\u8def\u7684\u98ce\u9669\u3002PortFast \u4ec5\u7528\u4e8e\u8fde\u63a5\u7ec8\u7aef\u8bbe\u5907\u7684\u4ea4\u6362\u673a\u7aef\u53e3\u4e0a\u3002<\/font><\/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\/22\/68f834fb13893.png\" class=\"lazy\" loading=\"lazy\" alt=\"1741671299205-40deeb18-ee4c-4660-88fe-8ef87c766c47.png\" \/><\/p>\n<p><font style=\"color:#000000;background-color:#ffffff;\">\u5728\u4e00\u4e2a\u6709\u6548\u7684 PortFast \u914d\u7f6e\u4e2d\uff0c\u542f\u7528\u4e86 PortFast \u7684\u7aef\u53e3\u4e0d\u5e94\u8be5\u63a5\u6536\u5230 BPDU\uff0c\u56e0\u4e3a\u8fd9\u610f\u5473\u7740\u53e6\u4e00\u4e2a\u7f51\u6865\u6216\u4ea4\u6362\u673a\u5df2\u8fde\u63a5\u5230\u4e86\u8fd9\u4e2a\u7aef\u53e3\u3002\u8fd9\u6709\u53ef\u80fd\u5bfc\u81f4\u751f\u6210\u6811\u73af\u8def\u3002\u4e3a\u4e86\u9632\u6b62\u8fd9\u7c7b\u60c5\u51b5\u53d1\u751f\uff0c\u601d\u79d1\u4ea4\u6362\u673a\u652f\u6301\u4e00\u79cd\u79f0\u4e3a BPDU \u9632\u62a4\u7684\u7279\u6027\u3002\u5728\u542f\u7528\u4e4b\u540e\uff0cBPDU \u9632\u62a4\u4f1a\u5728\u63a5\u6536\u5230 BPDU \u65f6\uff0c\u628a\u7aef\u53e3\u8bbe\u7f6e\u4e3a\u9519\u8bef\u7981\u7528\uff08error-disabled\uff09\u72b6\u6001\u3002\u8fd9\u53ef\u4ee5\u6709\u6548\u5730\u5173\u95ed\u7aef\u53e3\uff0c\u9632\u6b62\u6f5c\u5728\u7684\u73af\u8def\u3002BPDU \u9632\u62a4\u529f\u80fd\u53ef\u4ee5\u5bf9\u65e0\u6548\u7684\u914d\u7f6e\u63d0\u4f9b\u4e00\u79cd\u5b89\u5168\u54cd\u5e94\uff0c\u56e0\u4e3a\u7ba1\u7406\u5458\u5fc5\u987b\u624b\u52a8\u8ba9\u63a5\u53e3\u6062\u590d\u670d\u52a1\u3002<\/font><\/p>\n<blockquote>\n<p>\u66f4\u65b0: 2025-03-11 13:35:04<br \/>\n\u539f\u6587: <a href=\"https:\/\/www.yuque.com\/yuhui.net\/network\/tb33l94vzb3pkoly\">https:\/\/www.yuque.com\/yuhui.net\/network\/tb33l94vzb3pkoly<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>5.3 PortFast\u4e0eBPDU\u9632\u62a4 \u5f53\u8bbe\u5907\u8fde\u63a5\u5230\u4ea4\u6362\u673a\u7aef\u53e3\u6216\u8005\u5f53\u4ea4\u6362\u673a\u4e0a\u7535\u65f6\uff0c\u4ea4\u6362\u673a\u7aef\u53e3\u90fd\u4f1a\u7ecf\u5386\u4fa6\u542c\u548c\u5b66\u4e60\u72b6\u6001\uff0c\u6bcf\u6b21\u90fd\u8981\u7b49\u5f85\u8f6c\u53d1\u5ef6\u8fdf\u8ba1\u65f6\u5668\u8fc7\u671f\u3002\u4fa6\u542c\u548c\u5b66\u4e60\u8fd9\u4e24\u4e2a\u72b6\u6001\uff0c\u6bcf\u4e2a\u72b6\u6001\u7684\u5ef6\u8fdf\u4e3a 15 \u79d2\uff0c\u603b\u5171 30 \u79d2\u3002\u5f53 DHCP \u5ba2\u6237\u7aef\u5e0c\u671b\u53d1\u73b0 DHCP \u670d\u52a1\u5668\u65f6\uff0c\u8fd9\u4e2a\u5ef6\u8fdf\u53ef\u80fd\u4f1a\u5e26\u6765\u95ee\u9898\u3002\u76f4\u8fde\u4e3b\u673a\u53d1\u9001\u7684 DHCP \u6d88\u606f\u5728 30 \u79d2\u7684\u8f6c\u53d1\u5ef6\u8fdf\u8ba1\u65f6\u5668\u65f6\u95f4\u5185\u65e0\u6cd5\u5f97\u5230\u8f6c\u53d1\uff0c\u56e0\u6b64 DHCP \u8fdb\u7a0b\u53ef\u80fd\u4f1a\u8d85\u65f6\u3002\u7ed3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61,3],"tags":[79,85],"class_list":["post-466","post","type-post","status-publish","format-standard","hentry","category-ciscoluyouyujiaohuan","category-interface","tag-shiyan","tag-cisco"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/466","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=466"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/466\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}