![\"1741671314245-35ff7b87-821d-4055-a369-786ca21a7b9a.png\"](\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/22\/68f834fd5c817.png\")
<\/p>\n\u9879\u76ee\u62d3\u6251\uff1a<\/p>\n
<\/p>\n
\u9879\u76ee\u7aef\u53e3\u5bf9\u63a5\uff1a<\/p>\n
![\"1741671314379-e8740e39-644e-48bf-916d-e200c59c4a7d.png\"](\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/22\/68f834ffba704.png\")
<\/p>\n
\u9879\u76ee\u9700\u6c42\uff1a<\/p>\n
1\u3001\u4fee\u6539\u6240\u6709\u4ea4\u6362\u673a\u7684\u540d\u79f0\u5230\u56fe\u793a\uff0c\u8bf7\u6307\u51fa\u54ea\u4e2a\u4ea4\u6362\u673a\u4e3a\u6839\u6865\uff0c\u7136\u540e\u914d\u7f6eSW1\u4e3a\u6839\u6865\u3002<\/p>\n
2\u3001\u901a\u8fc7\u4fee\u6539\u7aef\u53e3cost\u503c\u4f7f\u6240\u6709\u539f\u672c\u7684\u963b\u585e\u7aef\u53e3\u548c\u540c\u94fe\u8def\u7684\u6307\u5b9a\u7aef\u53e3\u8fdb\u884c\u7aef\u53e3\u89d2\u8272\u4e92\u6362\u3002<\/p>\n
3\u3001\u901a\u8fc7\u4fee\u6539\u7aef\u53e3cost\u503c\u4f7fSWi\u548cSW2\u4e4b\u95f4F0\/2\u4e0eF0\/2\u4e4b\u95f4\u7684\u94fe\u8def\u5904\u4e8e\u53cc\u5411\u6570\u636e\u8f6c\u53d1\u72b6\u6001\uff0c\u5c06F0\/1\u548cFO\/1\u4e4b\u95f4\u7684\u94fe\u8def\u8bbe\u7f6e\u4e3a\u5907\u7528\u3002<\/p>\n
4\u3001\u4e3a\u6240\u6709\u4ea4\u6362\u673a\u8bbe\u7f6eVLAN1\u7684\u7ba1\u7406P\u5730\u5740\uff0c\u6309\u7167SW1-SW6\u7684\u987a\u5e8f\uff0c\u4ece192.168.1.1-192.168.1.6\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5b50\u7f51\u63a9\u780124\u4f4d\u3002<\/p>\n
5\u3001\u914d\u7f6e\u6240\u6709\u4ea4\u6362\u673a\u4e0a\u7684enable\u767b\u5f55\u5bc6\u7801\u4e3acisco\uff0c\u8981\u6c42\u5bc6\u6587\u663e\u793a\u3002<\/p>\n
6\u3001\u914d\u7f6e\u6240\u6709\u4ea4\u6362\u673a\u7684SSH\u767b\u5f55\uff0c\u57df\u540d\u8bbe\u7f6e\u4e3acjgy.com\uff0c\u8981\u6c42\u7528\u6237\u540d\u4e3acjgy\uff0c\u5bc6\u7801\u4e3aclass\uff0c\u4e14\u52a0\u5bc6\u5bc6\u94a5\u4e3a1024\u4f4d\u3002<\/p>\n
7\u3001\u4eceSw3\u4e0a\u7684CLf\u901a\u8fc7SSH\u8bbf\u95ee\u5176\u4ed6\u6240\u6709\u4ea4\u6362\u673a\u3002<\/p>\n
8\u3001\u65ad\u5f00\u6240\u6709\u53cc\u5411\u7eff\u8272\u94fe\u8def\uff0c\u89c2\u5bdf\u4ea4\u6362\u673a\u7aef\u53e3\u72b6\u6001\u53d8\u5316\uff0c\u5f85\u7a33\u5b9a\u540e\u518d\u6b21\u5728sW3\u4e0a\u901a\u8fc7SSH\u8bbf\u95ee\u5176\u4ed6\u6240\u6709\u4ea4\u6362\u673a\uff0c\u67e5\u770b\u662f\u5426\u8bbf\u95ee\u6b63\u5e38\u3002<\/p>\n
\u9879\u76ee\u5b9e\u73b0\uff1a<\/p>\n
\u6ce8<\/font>\uff1a\u68c0\u67e5\u63a5\u53e3\u7f16\u53f7\u662f\u5426\u4e0e\u4e0a\u8868\u5bf9\u5e94\u3002<\/p>\n 1\u3001\u901a\u8fc7show span active\u547d\u4ee4\u67e5\u770b\u54ea\u4e2a\u4ea4\u6362\u673a\u4e3a\u6839\u6865\uff0c\u6b64\u62d3\u6251\u539f\u6839\u6865\u4e3aS3\uff0c\u5728\u66f4\u6539BID\uff084096+mac\uff09\u4f18\u5148\u7ea7\u540eS1\u4e3a\u6839\u6865<\/p>\n 2\u3001\u4fee\u6539\u6839\u7aef\u53e3\u5f00\u9500\u503c(cost)\u66f4\u6539\u751f\u6210\u6811\u8def\u5f84\u8981\u6c42S2\u4e0eS3-6\u6839\u7aef\u53e3\u4e92\u6362\u5e76\u68c0\u6d4b\u5197\u4f59\u7ed3\u6784\u5b8c\u6574\u6027<\/p>\n \u914d\u7f6e\u547d\u4ee4\uff1a<\/p>\n int f0\/?<\/p>\n spanning-tree vlan \uff1f cost [1-65535]<\/p>\n S1\uff1a<\/p>\n en<\/p>\n conf t<\/p>\n hostname S1<\/p>\n int vlan 1<\/p>\n ip add 192.168.1.1 255.255.255.0<\/p>\n no sh<\/p>\n exi<\/p>\n int range f0\/1-6<\/p>\n sw tr en do<\/p>\n sw mo tr<\/p>\n exi<\/p>\n enable sec cisco<\/p>\n ip domain-name cjgy.com<\/p>\n cry k g rsa g m 1024<\/p>\n user cjgy sec class<\/p>\n line vty 0 15 <\/p>\n tran in ssh <\/p>\n login local<\/p>\n exi<\/p>\n S2:<\/p>\n en<\/p>\n conf t<\/p>\n hostname S2<\/p>\n int vlan 1<\/p>\n ip add 192.168.1.2 255.255.255.0<\/p>\n no sh<\/p>\n exi<\/p>\n int range f0\/1-6<\/p>\n sw tr en do<\/p>\n sw mo tr<\/p>\n exi<\/p>\n enable sec cisco<\/p>\n ip domain-name cjgy.com<\/p>\n cry k g rsa g m 1024<\/p>\n user cjgy sec class<\/p>\n line vty 0 15 <\/p>\n tran in ssh <\/p>\n login local<\/p>\n exi<\/p>\n S3:<\/p>\n en<\/p>\n conf t<\/p>\n hostname S3<\/p>\n int vlan 1<\/p>\n ip add 192.168.1.3 255.255.255.0<\/p>\n no sh<\/p>\n exi<\/p>\n int range f0\/1-2<\/p>\n sw mo tr<\/p>\n exi<\/p>\n enable sec cisco<\/p>\n ip domain-name cjgy.com<\/p>\n cry k g rsa g m 1024<\/p>\n user cjgy sec class<\/p>\n line vty 0 15<\/p>\n tran in ssh<\/p>\n login local<\/p>\n exi<\/p>\n S4:<\/p>\n en<\/p>\n conf t<\/p>\n hostname S4<\/p>\n int vlan 1<\/p>\n ip add 192.168.1.4 255.255.255.0<\/p>\n no sh<\/p>\n exi<\/p>\n int range f0\/1-2<\/p>\n sw mo tr<\/p>\n exi<\/p>\n enable sec cisco<\/p>\n ip domain-name cjgy.com<\/p>\n cry k g rsa g m 1024<\/p>\n user cjgy sec class<\/p>\n line vty 0 15<\/p>\n tran in ssh<\/p>\n login local<\/p>\n exi<\/p>\n S5:<\/p>\n en<\/p>\n conf t<\/p>\n hostname S5<\/p>\n int vlan 1<\/p>\n ip add 192.168.1.5 255.255.255.0<\/p>\n no sh<\/p>\n exi<\/p>\n int range f0\/1-2<\/p>\n sw mo tr<\/p>\n exi<\/p>\n enable sec cisco<\/p>\n ip domain-name cjgy.com<\/p>\n cry k g rsa g m 1024<\/p>\n user cjgy sec class<\/p>\n line vty 0 15<\/p>\n tran in ssh<\/p>\n login local<\/p>\n exi<\/p>\n S6:<\/p>\n en<\/p>\n conf t<\/p>\n hostname S6<\/p>\n int vlan 1<\/p>\n ip add 192.168.1.6 255.255.255.0<\/p>\n no sh<\/p>\n exi<\/p>\n int range f0\/1-2<\/p>\n sw mo tr<\/p>\n exi<\/p>\n enable sec cisco<\/p>\n ip domain-name cjgy.com<\/p>\n cry k g rsa g m 1024<\/p>\n user cjgy sec class<\/p>\n line vty 0 15<\/p>\n tran in ssh<\/p>\n login local<\/p>\n exi<\/p>\n \u6d4b\u8bd5SSH\u8fde\u901a\u6027\uff1a<\/p>\n \u6d4b\u8bd5\u5197\u4f59\u7f51\u7edc\u8fde\u901a\u6027\uff1a<\/p>\n![\"1741671314244-082256bb-35bd-4263-9f1b-9e426fe1b8a2.png\"](\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/22\/68f83501cf54c.png\")
<\/p>\n![\"1741671314354-783e1b04-d0c4-4c2b-ae4f-0103805ed650.png\"](\"https:\/\/cdn.picui.cn\/vip\/2025\/10\/22\/68f83503e1a11.png\")
<\/p>\n\n