{"id":978,"date":"2021-10-11T20:49:26","date_gmt":"2021-10-12T03:49:26","guid":{"rendered":"https:\/\/www.xh86.me\/?p=978"},"modified":"2021-10-11T20:49:26","modified_gmt":"2021-10-12T03:49:26","slug":"%e6%80%9d%e7%a7%91%e4%ba%a4%e6%8d%a2%e6%9c%ba%e9%85%8d%e7%bd%ae6-%e7%94%9f%e6%88%90%e6%a0%91%e5%8d%8f%e8%ae%aestp","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=978","title":{"rendered":"\u601d\u79d1\u4ea4\u6362\u673a\u914d\u7f6e6\u2014\u2014\u751f\u6210\u6811\u534f\u8bae(STP)"},"content":{"rendered":"<p>\u62d3\u6251\u56fe\uff1a<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/aoenian\/postbackup\/master\/topupic\/switch6.PNG'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/aoenian\/postbackup\/master\/topupic\/switch6.PNG\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h1 id=\"\u751f\u6210\u6811\u7684\u7406\u89e3\">\u751f\u6210\u6811\u7684\u7406\u89e3<\/h1>\n<ul>\n<li><a href=\"https:\/\/www.zhihu.com\/question\/21327750\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u7406\u89e3STP\u751f\u6210\u6811\u534f\u8bae<\/a><\/li>\n<li><a href=\"http:\/\/network.51cto.com\/art\/201204\/327761_all.htm\" target=\"_blank\" rel=\"noopener\">\u4ea4\u6362\u673a\u914d\u7f6e\u6559\u7a0b\u751f\u6210\u6811\u534f\u8baeSTP\u9632\u6b62\u73af\u8def<\/a><\/li>\n<li><a href=\"https:\/\/www.zhihu.com\/question\/48888794\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u8bb0\u4f4f\u7f51\u7edc\u5de5\u7a0b\u4e2d\u7684\u6280\u672f\uff0c\u5982STP\uff0cHSRP\u7b49<\/a><\/li>\n<\/ul>\n<h1 id=\"\u751f\u6210\u6811\u914d\u7f6e\">\u751f\u6210\u6811\u914d\u7f6e<\/h1>\n<p><strong>\u56e0\u4e3a\u601d\u79d1\u4ea4\u6362\u673a\u9ed8\u8ba4\u542f\u7528\u751f\u6210\u6811\u534f\u8bae\uff0c\u6240\u4ee5\u8fde\u63a5\u540e\u4f1a\u81ea\u884c\u5904\u7406\u73af\u8def\u95ee\u9898\u3002\u4e0d\u8fc7\u7531\u4e8e\u9ed8\u8ba4\u7684\u6839\u7f51\u6865\u53ef\u80fd\u4e0d\u662f\u6211\u4eec\u60f3\u8981\u7684\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u9700\u8981\u8fdb\u884c\u624b\u52a8\u8bbe\u7f6e\u3002<\/strong><\/p>\n<p>\u7531\u62d3\u6251\u56fe\u53ef\u77e5\uff1a\u7f51\u7edc\u8fde\u63a5\u540e\u9ed8\u8ba4S1\u4ea4\u6362\u673a\u5e76\u4e0d\u662f\u6839\u7f51\u6865\uff0c\u4e0e\u9700\u6c42\u4e0d\u7b26\u3002<\/p>\n<h2 id=\"\u57fa\u672c\u7684STP\u547d\u4ee4\">\u57fa\u672c\u7684STP\u547d\u4ee4<\/h2>\n<p>\u62d3\u6251\u56fe\uff1a<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/raw.githubusercontent.com\/aoenian\/postbackup\/master\/topupic\/switch6-1.PNG'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/raw.githubusercontent.com\/aoenian\/postbackup\/master\/topupic\/switch6-1.PNG\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span>\r\n<span class=\"line\">4<\/span>\r\n<span class=\"line\">5<\/span>\r\n<span class=\"line\">6<\/span>\r\n<span class=\"line\">7<\/span>\r\n<span class=\"line\">8<\/span>\r\n<span class=\"line\">9<\/span>\r\n<span class=\"line\">10<\/span>\r\n<span class=\"line\">11<\/span>\r\n<span class=\"line\">12<\/span>\r\n<span class=\"line\">13<\/span>\r\n<span class=\"line\">14<\/span>\r\n<span class=\"line\">15<\/span>\r\n<span class=\"line\">16<\/span>\r\n<span class=\"line\">17<\/span>\r\n<span class=\"line\">18<\/span>\r\n<span class=\"line\">19<\/span>\r\n<span class=\"line\">20<\/span>\r\n<span class=\"line\">21<\/span>\r\n<span class=\"line\">22<\/span>\r\n<span class=\"line\">23<\/span>\r\n<span class=\"line\">24<\/span>\r\n<span class=\"line\">25<\/span>\r\n<span class=\"line\">26<\/span>\r\n<span class=\"line\">27<\/span>\r\n<span class=\"line\">28<\/span>\r\n<span class=\"line\">29<\/span>\r\n<span class=\"line\">30<\/span>\r\n<span class=\"line\">31<\/span>\r\n<span class=\"line\">32<\/span>\r\n<span class=\"line\">33<\/span>\r\n<span class=\"line\">34<\/span>\r\n<span class=\"line\">35<\/span>\r\n<span class=\"line\">36<\/span>\r\n<span class=\"line\">37<\/span>\r\n<span class=\"line\">38<\/span>\r\n<span class=\"line\">39<\/span>\r\n<span class=\"line\">40<\/span>\r\n<span class=\"line\">41<\/span>\r\n<span class=\"line\">42<\/span>\r\n<span class=\"line\">43<\/span>\r\n<span class=\"line\">44<\/span>\r\n<span class=\"line\">45<\/span>\r\n<span class=\"line\">46<\/span>\r\n<span class=\"line\">47<\/span>\r\n<span class=\"line\">48<\/span>\r\n<span class=\"line\">49<\/span>\r\n<span class=\"line\">50<\/span>\r\n<span class=\"line\">51<\/span>\r\n<span class=\"line\">52<\/span>\r\n<span class=\"line\">53<\/span>\r\n<span class=\"line\">54<\/span>\r\n<span class=\"line\">55<\/span>\r\n<span class=\"line\">56<\/span>\r\n<span class=\"line\">57<\/span>\r\n<span class=\"line\">58<\/span>\r\n<span class=\"line\">59<\/span>\r\n<span class=\"line\">60<\/span>\r\n<span class=\"line\">61<\/span>\r\n<span class=\"line\">62<\/span>\r\n<span class=\"line\">63<\/span>\r\n<span class=\"line\">64<\/span>\r\n<span class=\"line\">65<\/span>\r\n<span class=\"line\">66<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\"><span class=\"comment\">\/\/ \u67e5\u770bS4\u7684STP<\/span><\/span>\r\n<span class=\"line\">S4<span class=\"meta\">#show spanning-tree <\/span><\/span>\r\n<span class=\"line\">VLAN0001<\/span>\r\n<span class=\"line\">  Spanning tree enabled protocol ieee<\/span>\r\n<span class=\"line\">  Root ID    Priority    <span class=\"number\">32769<\/span><\/span>\r\n<span class=\"line\">             Address     <span class=\"number\">0003.E44<\/span>D<span class=\"number\">.6117<\/span>     <span class=\"comment\">\/\/ \u6839\u4ea4\u6362\u673a\u7684MAC\u5730\u5740<\/span><\/span>\r\n<span class=\"line\">             Cost        <span class=\"number\">19<\/span><\/span>\r\n<span class=\"line\">             Port        <span class=\"number\">1<\/span>(FastEthernet0\/<span class=\"number\">1<\/span>)<\/span>\r\n<span class=\"line\">             Hello Time  <span class=\"number\">2<\/span> sec  Max Age <span class=\"number\">20<\/span> sec  Forward Delay <span class=\"number\">15<\/span> sec<\/span>\r\n\r\n<span class=\"line\">  <span class=\"built_in\">Bridge<\/span> ID  Priority    <span class=\"number\">32769<\/span>  (priority <span class=\"number\">32768<\/span> sys-id-ext <span class=\"number\">1<\/span>)<\/span>\r\n<span class=\"line\">             Address     <span class=\"number\">00E0<\/span>.F7B9.E182     <span class=\"comment\">\/\/ S4\u7684\u5730\u5740\uff08\u53ef\u89c1S4\u4e0d\u662f\u6839\u7f51\u6865\uff09<\/span><\/span>\r\n<span class=\"line\">             Hello Time  <span class=\"number\">2<\/span> sec  Max Age <span class=\"number\">20<\/span> sec  Forward Delay <span class=\"number\">15<\/span> sec<\/span>\r\n<span class=\"line\">             Aging Time  <span class=\"number\">20<\/span><\/span>\r\n\r\n<span class=\"line\">Interface        Role Sts Cost      Prio.Nbr Type<\/span>\r\n<span class=\"line\">---------------- ---- --- --------- -------- --------------------------------<\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">2<\/span>            Altn BLK <span class=\"number\">19<\/span>        <span class=\"number\">128.2<\/span>    P2p<\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">1<\/span>            Root FWD <span class=\"number\">19<\/span>        <span class=\"number\">128.1<\/span>    P2p<\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u5728\u6b64\u4f8b\u4e2dS5\u4e3a\u6839\u7f51\u6865\uff0c\u6240\u4ee5\u5b83\u7684\u4e24\u4e2a\u7aef\u53e3\u90fd\u4e3a\u8f6c\u53d1\u72b6\u6001\uff0cS4\u7684\u4e24\u4e2a\u7aef\u53e3\u5f00\u9500\u4e00\u6837\u90fd\u662f19<\/span><\/span>\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u9ed8\u8ba4\u7aef\u53e3\u5f00\u9500\uff0c\u6240\u4ee5\u5c06\u4f7f\u7528\u6700\u4f4e\u7684\u7aef\u53e3\u53f7\u4e3a\u6839\u7aef\u53e3<\/span><\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u66f4\u6539S4\u7684Fa0\/2\u7aef\u53e3\u4e3aRoot\u7aef\u53e3\uff0c\u601d\u79d1PT\u4e0d\u652f\u6301cost\u547d\u4ee4<\/span><\/span>\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u6240\u4ee5\u8bfe\u672c\u4ee5\u53ca\u7f51\u7edc\u4e0a\u7684\u64cd\u4f5c\u57fa\u672c\u90fd\u5e9f\u4e86<\/span><\/span>\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u8981\u66f4\u6539S4\u7684Root\u7aef\u53e3\uff0c\u9700\u8981\u5728S5\u4e0a\u9762\u8bbe\u7f6e\u76f8\u5e94\u7684\u7aef\u53e3\u7684\u4f18\u5148\u7ea7\uff0c\u6240\u4ee5\u4e0b\u9762\u7684\u8bbe\u7f6e\u5728S5\u4e0a\u8fdb\u884c<\/span><\/span>\r\n\r\n<span class=\"line\">S5<span class=\"meta\">#show spanning-tree   <span class=\"comment\">\/\/ \u67e5\u770b\u5f97\u77e5Fa0\/2\u7aef\u53e3\u4f18\u5148\u7ea7\u4e3a128<\/span><\/span><\/span>\r\n<span class=\"line\">Interface        Role Sts Cost      Prio.Nbr Type<\/span>\r\n<span class=\"line\">---------------- ---- --- --------- -------- --------------------------------<\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">2<\/span>            Desg LRN <span class=\"number\">19<\/span>        <span class=\"number\">128.2<\/span>    P2p<\/span>\r\n<span class=\"line\">S5<span class=\"meta\">#configure <\/span><\/span>\r\n<span class=\"line\">Configuring from terminal, memory, <span class=\"keyword\">or<\/span> network [terminal]? <\/span>\r\n<span class=\"line\">Enter configuration commands, one per <span class=\"built_in\">line<\/span>.  End with CNTL\/Z.<\/span>\r\n<span class=\"line\">S5(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#interface f0\/2<\/span><\/span>\r\n<span class=\"line\">S5(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#spanning-tree vlan 1 port-priority 48 <span class=\"comment\">\/\/ \u66f4\u6539\u4e3a\u5c0f\u4e8e128\u7684<\/span><\/span><\/span>\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u6ce8\u610f\u5fc5\u987b\u662f16\u7684\u500d\u6570\uff0c\u7136\u540e\u67e5\u770bS4\u7684\u72b6\u6001<\/span><\/span>\r\n\r\n<span class=\"line\">S4<span class=\"meta\">#show spanning-tree <\/span><\/span>\r\n<span class=\"line\">Interface        Role Sts Cost      Prio.Nbr Type<\/span>\r\n<span class=\"line\">---------------- ---- --- --------- -------- --------------------------------<\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">2<\/span>            Root FWD <span class=\"number\">19<\/span>        <span class=\"number\">128.2<\/span>    P2p    <span class=\"comment\">\/\/ \u89d2\u8272\u6539\u53d8\u4e3aRoot<\/span><\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">1<\/span>            Altn BLK <span class=\"number\">19<\/span>        <span class=\"number\">128.1<\/span>    P2p<\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u66f4\u6539S4\u4e3a\u6839\u7f51\u6865<\/span><\/span>\r\n<span class=\"line\">S4<span class=\"meta\">#configure <\/span><\/span>\r\n<span class=\"line\">S4(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#spanning-tree vlan 1 root primary <\/span><\/span>\r\n<span class=\"line\">S4<span class=\"meta\">#show spanning-tree <\/span><\/span>\r\n<span class=\"line\">VLAN0001<\/span>\r\n<span class=\"line\">  Spanning tree enabled protocol ieee<\/span>\r\n<span class=\"line\">  Root ID    Priority    <span class=\"number\">24577<\/span>      <span class=\"comment\">\/\/ \u4f18\u5148\u7ea7\u66f4\u6539<\/span><\/span>\r\n<span class=\"line\">             Address     <span class=\"number\">00E0<\/span>.F7B9.E182<\/span>\r\n<span class=\"line\">             This bridge is the root<\/span>\r\n<span class=\"line\">             Hello Time  <span class=\"number\">2<\/span> sec  Max Age <span class=\"number\">20<\/span> sec  Forward Delay <span class=\"number\">15<\/span> sec<\/span>\r\n\r\n<span class=\"line\">  <span class=\"built_in\">Bridge<\/span> ID  Priority    <span class=\"number\">24577<\/span>  (priority <span class=\"number\">24576<\/span> sys-id-ext <span class=\"number\">1<\/span>)<\/span>\r\n<span class=\"line\">             Address     <span class=\"number\">00E0<\/span>.F7B9.E182<\/span>\r\n<span class=\"line\">             Hello Time  <span class=\"number\">2<\/span> sec  Max Age <span class=\"number\">20<\/span> sec  Forward Delay <span class=\"number\">15<\/span> sec<\/span>\r\n<span class=\"line\">             Aging Time  <span class=\"number\">20<\/span><\/span>\r\n\r\n<span class=\"line\">Interface        Role Sts Cost      Prio.Nbr Type<\/span>\r\n<span class=\"line\">---------------- ---- --- --------- -------- --------------------------------<\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">2<\/span>            Desg FWD <span class=\"number\">19<\/span>        <span class=\"number\">128.2<\/span>    P2p<\/span>\r\n<span class=\"line\">Fa0\/<span class=\"number\">1<\/span>            Desg FWD <span class=\"number\">19<\/span>        <span class=\"number\">128.1<\/span>    P2p<\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ \u53ef\u4ee5\u8bd5\u8bd5\u518d\u7528\u76f8\u540c\u7684\u547d\u4ee4\u628aS5\u6539\u56de\u5230root<\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><strong>\u4e0a\u9762\u7684\u914d\u7f6e\u53c2\u8003\u81ea<a href=\"https:\/\/learningnetwork.cisco.com\/thread\/56698\" target=\"_blank\" rel=\"noopener\">spanning tree port priority and costcommand<\/a>.\u4e0d\u8fc7\u5947\u602a\u7684\u662f\u7f51\u7edc\u4e0a\u7684\u56de\u7b54\u7ed9\u51fa\u7684\u7ed3\u679c\u4e0d\u4ec5\u7aef\u53e3Fa0\/2\u4e3aRoot\uff0c\u800c\u4e14\u5b83\u7684\u4f18\u5148\u7ea7\u4e5f\u6539\u53d8\u4e86\u3002\u800c\u6211\u5728\u64cd\u4f5c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u53ea\u51fa\u73b0\u4e86\u7b2c\u4e00\u4e2a\u73b0\u8c61\uff0c\u4f18\u5148\u7ea7\u8fd8\u662f128\uff0c\u5f53\u7136\u6839\u7f51\u6865\u7684Fa0\/2\u7aef\u53e3\u7684\u4f18\u5148\u7ea7\u80af\u5b9a\u53d8\u4e3a48.<\/strong><\/p>\n<h2 id=\"\u8be6\u7ec6\u7684\u914d\u7f6e\">\u8be6\u7ec6\u7684\u914d\u7f6e<\/h2>\n<h3 id=\"VLAN\u914d\u7f6e\">VLAN\u914d\u7f6e<\/h3>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span>\r\n<span class=\"line\">4<\/span>\r\n<span class=\"line\">5<\/span>\r\n<span class=\"line\">6<\/span>\r\n<span class=\"line\">7<\/span>\r\n<span class=\"line\">8<\/span>\r\n<span class=\"line\">9<\/span>\r\n<span class=\"line\">10<\/span>\r\n<span class=\"line\">11<\/span>\r\n<span class=\"line\">12<\/span>\r\n<span class=\"line\">13<\/span>\r\n<span class=\"line\">14<\/span>\r\n<span class=\"line\">15<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\">Switch&gt;enable <\/span>\r\n<span class=\"line\">Switch#<\/span>\r\n<span class=\"line\">Switch<span class=\"meta\">#configure <\/span><\/span>\r\n<span class=\"line\">Switch(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#hostname S1<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S1<span class=\"meta\">#vlan data<\/span><\/span>\r\n<span class=\"line\">S1(vlan)<span class=\"meta\">#vtp transparent    <span class=\"comment\">\/\/ VTP\u900f\u660e\u6a21\u5f0f<\/span><\/span><\/span>\r\n<span class=\"line\">S1(vlan)<span class=\"meta\">#vlan 8<\/span><\/span>\r\n<span class=\"line\">S1(vlan)<span class=\"meta\">#vlan 10<\/span><\/span>\r\n<span class=\"line\">S1(vlan)<span class=\"meta\">#vlan 11<\/span><\/span>\r\n<span class=\"line\">S1(vlan)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">APPLY completed.<\/span>\r\n<span class=\"line\">Exiting....<\/span>\r\n<span class=\"line\">S1<span class=\"meta\">#show vlan<\/span><\/span>\r\n<span class=\"line\"><span class=\"comment\">\/\/ S2 S3 \u7684\u914d\u7f6e\u4e0eS1\u5b8c\u5168\u76f8\u540c\u6b64\u5904\u7701\u7565<\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><strong>VTP\u900f\u660e\u6a21\u5f0f\u8bbe\u7f6e\u540e\u4ea4\u6362\u673a\u4e0d\u901a\u544a\u81ea\u5df1\u7684vlan\u4fe1\u606f\uff0c\u4e5f\u4e0d\u540c\u6b65\u5916\u90e8vlan\uff0c\u53ef\u4ee5\u4fee\u6539\u521b\u5efavlan<\/strong><\/p>\n<p>\u53ef\u4ee5\u53c2\u8003\uff1a<a href=\"http:\/\/blog.sina.com.cn\/s\/blog_71851c8b0101dlzg.html\" target=\"_blank\" rel=\"noopener\">VTP\u7684\u900f\u660e\u6a21\u5f0fvtp modetransparent\u7684\u4f5c\u7528<\/a><\/p>\n<h3 id=\"STP\u8bbe\u7f6e\">STP\u8bbe\u7f6e<\/h3>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#spanning-tree vlan 1-4094 priority 0 <span class=\"comment\">\/\/ S1\u8bbe\u7f6e\u4e3a\u6839\u7f51\u6865<\/span><\/span><\/span>\r\n\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#spanning-tree vlan 1-4094 priority 4096 <span class=\"comment\">\/\/ S2\u8bbe\u7f6e\u4e3a\u5907\u7528\u6839\u7f51\u6865<\/span><\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h3 id=\"\u4ea4\u6362\u673a\u4e4b\u95f4\u7684Trunk\u94fe\u8def\u914d\u7f6e\">\u4ea4\u6362\u673a\u4e4b\u95f4\u7684Trunk\u94fe\u8def\u914d\u7f6e<\/h3>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span>\r\n<span class=\"line\">4<\/span>\r\n<span class=\"line\">5<\/span>\r\n<span class=\"line\">6<\/span>\r\n<span class=\"line\">7<\/span>\r\n<span class=\"line\">8<\/span>\r\n<span class=\"line\">9<\/span>\r\n<span class=\"line\">10<\/span>\r\n<span class=\"line\">11<\/span>\r\n<span class=\"line\">12<\/span>\r\n<span class=\"line\">13<\/span>\r\n<span class=\"line\">14<\/span>\r\n<span class=\"line\">15<\/span>\r\n<span class=\"line\">16<\/span>\r\n<span class=\"line\">17<\/span>\r\n<span class=\"line\">18<\/span>\r\n<span class=\"line\">19<\/span>\r\n<span class=\"line\">20<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\"><span class=\"comment\">\/\/ S1\u7684\u7aef\u53e3\u914d\u7f6e<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#interface range f0\/1-2<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#switchport trunk encapsulation dot1q <\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swi mode trunk<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swit trunk allowed vlan all<\/span><\/span>\r\n<span class=\"line\">S1<span class=\"meta\">#show interface trunk     <span class=\"comment\">\/\/ \u67e5\u770b\u7aef\u53e3\u72b6\u6001<\/span><\/span><\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ S2\u7684\u7aef\u53e3\u914d\u7f6e<\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#inter range f0\/1-2<\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swit trunk encapsulation dot1q <\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swit mode trunk <span class=\"comment\">\/\/ \u5982\u679c\u5148\u8bbe\u7f6etrunk\u6a21\u5f0f\u5219\u4f1a\u51fa\u9519<\/span><\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swi trunk all vlan all<\/span><\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ S3\u7684\u7aef\u53e3\u914d\u7f6e<\/span><\/span>\r\n<span class=\"line\">S3&gt;enable <\/span>\r\n<span class=\"line\">S3<span class=\"meta\">#confi t<\/span><\/span>\r\n<span class=\"line\">Enter configuration commands, one per <span class=\"built_in\">line<\/span>.  End with CNTL\/Z.<\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#inter r f0\/1-2<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swi mode trunk  <span class=\"comment\">\/\/ \u4e8c\u5c42\u4ea4\u6362\u673a\u6ca1\u6709802.1q\u7684\u8bbe\u7f6e<\/span><\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>-range)<span class=\"meta\">#swi trunk all vlan all<\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h3 id=\"S3\u7684Access\u63a5\u53e3\u914d\u7f6e\">S3\u7684Access\u63a5\u53e3\u914d\u7f6e<\/h3>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span>\r\n<span class=\"line\">4<\/span>\r\n<span class=\"line\">5<\/span>\r\n<span class=\"line\">6<\/span>\r\n<span class=\"line\">7<\/span>\r\n<span class=\"line\">8<\/span>\r\n<span class=\"line\">9<\/span>\r\n<span class=\"line\">10<\/span>\r\n<span class=\"line\">11<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\">S3(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#int f0\/10<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#swi mode access   <span class=\"comment\">\/\/ \u7aef\u53e3\u8bbe\u7f6e\u4e3a\u63a5\u5165\u6a21\u5f0f<\/span><\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#swi access vlan 10    <span class=\"comment\">\/\/ \u7aef\u53e3\u52a0\u5165vlan10<\/span><\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#spanning-tree portfast    <span class=\"comment\">\/\/ \u7aef\u53e3\u914d\u7f6e\u4e3aportfast\u7aef\u53e3<\/span><\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#int f0\/11<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#swi mode access<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#swi acc vlan 11<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#span por<\/span><\/span>\r\n\r\n<span class=\"line\">S3<span class=\"meta\">#show vlan<\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><a href=\"http:\/\/baike.baidu.com\/item\/%E8%BE%B9%E7%BC%98%E7%AB%AF%E5%8F%A3\" target=\"_blank\" rel=\"noopener\">PortFast\u7aef\u53e3<\/a>\u52a0\u5feb\u7ec8\u7aef\u4e3b\u673a\u8fde\u63a5\u5165stp\u7f51\u7edc\u7684\u6536\u655b.\u53ea\u9002\u7528\u4e8e,\u5728\u4ea4\u6362\u673a\u4e0e\u4e3b\u673a(\u7535\u8111)\u76f8\u8fde\u7684\u7aef\u53e3,\u4e0d\u5e94\u8be5\u5728\u4ea4\u6362\u673a\u4e0e\u4ea4\u6362\u673a,\u8def\u7531\u5668,hub\u4e92\u8fde\u7684\u7f51\u7edc\u8bbe\u5907\u7684\u7aef\u53e3\u4f7f\u7528.<\/p>\n<h3 id=\"\u7f51\u7ba1\u5730\u5740\u8bbe\u7f6e\">\u7f51\u7ba1\u5730\u5740\u8bbe\u7f6e<\/h3>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span>\r\n<span class=\"line\">4<\/span>\r\n<span class=\"line\">5<\/span>\r\n<span class=\"line\">6<\/span>\r\n<span class=\"line\">7<\/span>\r\n<span class=\"line\">8<\/span>\r\n<span class=\"line\">9<\/span>\r\n<span class=\"line\">10<\/span>\r\n<span class=\"line\">11<\/span>\r\n<span class=\"line\">12<\/span>\r\n<span class=\"line\">13<\/span>\r\n<span class=\"line\">14<\/span>\r\n<span class=\"line\">15<\/span>\r\n<span class=\"line\">16<\/span>\r\n<span class=\"line\">17<\/span>\r\n<span class=\"line\">18<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\"><span class=\"comment\">\/\/ S2\u7ba1\u7406IP\u8bbe\u7f6e<\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#inter vlan 8     <span class=\"comment\">\/\/ \u8fdb\u5165vlan8\u8bbe\u7f6e<\/span><\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#ip address 192.168.8.130 255.255.255.128<\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#no shut   <\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#ip default-gateway 192.168.8.129<\/span><\/span>\r\n<span class=\"line\">S2(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S2<span class=\"meta\">#show ip interface brief <\/span><\/span>\r\n\r\n<span class=\"line\"><span class=\"comment\">\/\/ S3\u7ba1\u7406IP\u8bbe\u7f6e<\/span><\/span>\r\n<span class=\"line\">S3<span class=\"meta\">#configure<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#inter vlan 8<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#ip add 192.168.8.131 255.255.255.128<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#no shut<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#ip default-g 192.168.8.129<\/span><\/span>\r\n<span class=\"line\">S3(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S3<span class=\"meta\">#show ip int b<\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h3 id=\"\u4e09\u5c42\u63a5\u53e3\u914d\u7f6e\">\u4e09\u5c42\u63a5\u53e3\u914d\u7f6e<\/h3>\n<figure class=\"highlight c\">\n<table>\n<tbody>\n<tr>\n<td class=\"gutter\">\n<pre><span class=\"line\">1<\/span>\r\n<span class=\"line\">2<\/span>\r\n<span class=\"line\">3<\/span>\r\n<span class=\"line\">4<\/span>\r\n<span class=\"line\">5<\/span>\r\n<span class=\"line\">6<\/span>\r\n<span class=\"line\">7<\/span>\r\n<span class=\"line\">8<\/span>\r\n<span class=\"line\">9<\/span>\r\n<span class=\"line\">10<\/span>\r\n<span class=\"line\">11<\/span>\r\n<span class=\"line\">12<\/span>\r\n<span class=\"line\">13<\/span>\r\n<span class=\"line\">14<\/span>\r\n<span class=\"line\">15<\/span>\r\n<span class=\"line\">16<\/span><\/pre>\n<\/td>\n<td class=\"code\">\n<pre><span class=\"line\">S1<span class=\"meta\">#conf<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#ip routing<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#int vlan 8<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#ip add 192.168.8.129 255.255.255.128<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#no shut<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#int vlan 10<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#ip add 192.168.10.1 255.255.255.0<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#no shut<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#int vlan 11<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#ip add 192.168.11.1 255.255.255.0<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#no shut<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>-<span class=\"keyword\">if<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S1(<span class=\"built_in\">config<\/span>)<span class=\"meta\">#exit<\/span><\/span>\r\n<span class=\"line\">S1<span class=\"meta\">#show ip int b<\/span><\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<h2 id=\"\u6d4b\u8bd5\">\u6d4b\u8bd5<\/h2>\n<ol>\n<li>PC1\u548cPC2\u4e4b\u95f4\u53ef\u4ee5\u901a\u4fe1<\/li>\n<li>\u5728PC1\u4e0a\u7528\u00a0<code>ping -t 192.168.11.100<\/code>\u00a0\u5411PC2\u53d1\u5305 \u5728PC2\u4e0a\u7528<code>ping -t 192.168.10.100<\/code>\u00a0\u5411PC1\u53d1\u5305 \u5c06S3\u7684Fa0\/1\u7aef\u53e3\u00a0<code>shutdown<\/code>\u00a0\u4ee5\u540e\u67e5\u770b STP\u4fe1\u606f\u548cPC\u4e22\u5305\u60c5\u51b5 \u5c06S3\u7684Fa0\/1\u7aef\u53e3\u00a0<code>no shutdown<\/code>\u540e\u67e5\u770b\u540c\u6837\u4fe1\u606f<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u62d3\u6251\u56fe\uff1a \u751f\u6210\u6811\u7684\u7406\u89e3 \u5982\u4f55\u7406\u89e3STP\u751f\u6210\u6811\u534f\u8bae \u4ea4\u6362\u673a\u914d\u7f6e\u6559\u7a0b\u751f\u6210\u6811\u534f\u8baeSTP\u9632\u6b62\u73af\u8def \u5982\u4f55\u8bb0\u4f4f\u7f51\u7edc\u5de5\u7a0b\u4e2d\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-978","post","type-post","status-publish","format-standard","hentry","category-cisco"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=978"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/978\/revisions"}],"predecessor-version":[{"id":979,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/978\/revisions\/979"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}