{"id":11003,"date":"2022-10-12T14:27:29","date_gmt":"2022-10-12T21:27:29","guid":{"rendered":"https:\/\/www.xh86.me\/?p=11003"},"modified":"2022-10-12T14:27:29","modified_gmt":"2022-10-12T21:27:29","slug":"bgp%e4%bb%8e%e9%9b%b6%e5%bc%80%e5%a7%8b%e8%ae%be%e8%ae%a1%e8%bf%90%e8%90%a5%e5%95%86%e7%ba%a7community-%ef%bc%88%e4%b8%ad%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=11003","title":{"rendered":"[BGP]\u4ece\u96f6\u5f00\u59cb\u8bbe\u8ba1\u8fd0\u8425\u5546\u7ea7community \uff08\u4e2d\uff09"},"content":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6587\u7ae0\u6211\u4eec\u8bb2\u5230\uff0c\u5982\u679c\u5ba2\u6237\u5728\u6709\u5f88\u591a IP \u6bb5\u7684\u4e14\u9700\u6c42\u7e41\u591a\u7684\u65f6\u5019\uff0c\u4f7f\u7528\u5355\u7eaf\u7684\u8def\u7531\u8fc7\u6ee4\u5668 ( Route-filter ) \u7c97\u66b4\u7684\u8fdb\u884c\u8def\u7531\u7ba1\u7406\uff0c\u7ba1\u7406\u8d77\u6765\u5f88\u9ebb\u70e6\u4e14\u6d6a\u8d39\u65f6\u95f4\uff0c\u6240\u4ee5\u672c\u7bc7\u6587\u7ae0\u5c06\u5e26\u4f60\u521d\u6b65\u4e86\u89e3\u4f7f\u7528 community \u8fdb\u884c\u7ba1\u7406\u8def\u7531\u6761\u76ee\uff0c\u4e86\u89e3 community \u7684\u9b45\u529b\u3002<\/p>\n<p><a href=\"https:\/\/littlewolf.moe\/routing-protocol\/bgp\/100\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"\u63a5\u4e0a\u7bc7\u6240\u8ff0\uff08\u5728\u65b0\u7a97\u53e3\u6253\u5f00\uff09\">\u63a5\u4e0a\u7bc7\u6240\u8ff0<\/a>\uff0c\u6211\u4eec\u9700\u8981\u5728\u8def\u7531\u5668\u4e0a\u914d\u7f6e community \u6765\u8fdb\u884c\u8def\u7531\u7ba1\u7406\uff0c\u5728\u914d\u7f6e\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u9700\u8981\u4e00\u4e9b\u51c6\u5907\u5de5\u4f5c\u3002<\/p>\n<p>\u62d3\u6251\u6574\u56fe\u5982\u4e0b\uff1a<\/p>\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-3.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-3.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"wp-image-121\" data-original=\"https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-3.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" sizes=\"auto, (max-width: 851px) 100vw, 851px\"  alt=\"\" width=\"851\" height=\"838\" data-src=\"https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-3.png\" \/><\/div><\/a><\/figure>\n<p>\u6211\u4eec\u8981\u4e8b\u5148\u51c6\u5907\u7684\u4e8b\u9879\u6709\uff1a<\/p>\n<ul>\n<li>\u4e00\u5f20\u5df2\u7ecf\u914d\u7f6e\u597d\u57fa\u672c BGP \u7684\u7f51\u7edc<\/li>\n<li>\u786e\u8ba4\u5ba2\u6237\u5df2\u7ecf\u53d1\u9001\u8def\u7531\u8fc7\u6765\u5e76\u4e14\u5df2\u7ecf\u63a5\u53d7\u8be5\u8def\u7531<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981<strong>\u9a8c\u8bc1\u5ba2\u6237\u53d1\u9001\u7684\u8def\u7531\u6761\u76ee\uff1a<\/strong><\/p>\n<div class=\"enlighter-default enlighter-v-standard enlighter-t-godzilla enlighter-hover enlighter-linenumbers \">\n<div class=\"enlighter\">\n<div class=\"\">\n<div><span class=\"enlighter-text\">root@Littlewolf-Backbone<\/span><span class=\"enlighter-g1\">&gt;<\/span><span class=\"enlighter-text\"> show route receive-protocol bgp <\/span><span class=\"enlighter-n0\">10.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n1\">0<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">inet.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">: <\/span><span class=\"enlighter-n1\">11<\/span><span class=\"enlighter-text\"> destinations, <\/span><span class=\"enlighter-n1\">14<\/span> <span class=\"enlighter-m0\">routes<\/span> <span class=\"enlighter-g1\">(<\/span><span class=\"enlighter-n1\">11<\/span><span class=\"enlighter-text\"> active, <\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\"> holddown, <\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\"> hidden<\/span><span class=\"enlighter-g1\">)<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> Prefix Nexthop MED Lclpref AS path<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">10.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> I<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">inet6.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">: <\/span><span class=\"enlighter-n1\">1<\/span><span class=\"enlighter-text\"> destinations, <\/span><span class=\"enlighter-n1\">1<\/span> <span class=\"enlighter-m0\">routes<\/span> <span class=\"enlighter-g1\">(<\/span><span class=\"enlighter-n1\">1<\/span><span class=\"enlighter-text\"> active, <\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\"> holddown, <\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\"> hidden<\/span><span class=\"enlighter-g1\">)<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6ca1\u6709\u95ee\u9898\u3002\u5ba2\u6237\u53d1\u6765\u7684 45.0.0.0\/24 \u88ab\u6b63\u5e38\u63a5\u6536\uff0cBGP \u8fde\u63a5\u6b63\u5e38\u3002<\/p>\n<p>\u8fc7\u4e86\u4e00\u661f\u671f\u540e\uff0c\u5ba2\u6237\u4ece\u4ed6\u4eba\u624b\u91cc\u8d2d\u4e70\u5230\u4e86\u5927\u91cf\u7684 \/24 IP \u6bb5\uff0c\u4e14\u63d0\u51fa\u4e86\u5f88\u591a\u7684\u8981\u6c42\uff0c\u8981\u6c42\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u516c\u544a 45.1.1.0\/24 \u2013 45.1.10.0\/24 \u5171 10 \u4e2a\u6bb5<\/li>\n<li>45.1.1.0\/24 \u2013 45.1.5.0\/24 \u8fd9\u4e94\u4e2a\u6bb5\u9700\u8981\u5916\u90e8\u8bbf\u95ee\u8def\u7531\u4e3a Telia \u4f18\u5148<\/li>\n<li>45.1.6.0\/24 \u2013 45.1.8.0\/24 \u8fd9\u4e09\u4e2a\u6bb5\u9700\u8981\u5916\u90e8\u8bbf\u95ee\u8def\u7531\u4e3a NTT \u4f18\u5148<\/li>\n<li>45.1.9.0\/24 \u8fd9\u4e2a\u6bb5\u6211\u9700\u8981\u81ea\u5df1\u6309\u60c5\u51b5\u8c03\u6574<\/li>\n<li>45.1.10.0\/24 \u8fd9\u4e2a\u6bb5\u53ea\u80fd\u53d1\u9001\u7ed9 NTT\uff0c\u4e0d\u53d1\u9001\u7ed9 Telia\uff0c\u5c31\u7b97 NTT \u65ad\u4e86\u4e5f\u4e0d\u8981\u53d1 \uff08\u5e38\u89c1\u4e8e\u6709\u9650\u5e7f\u64ad\uff09<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u90a3\u4e48\uff0c\u5982\u679c\u6309\u7167\u4f20\u7edf\u7684 route-filter \u65b9\u5f0f\u8fdb\u884c\u8fc7\u6ee4 + aspath-prepend\uff0c\u56e0\u4e3a\u9700\u8981\u7ef4\u62a4\u591a\u5f20\u7b56\u7565\u8868\uff0c\u6240\u4ee5\u4f1a\u5bfc\u81f4\u7ba1\u7406\u975e\u5e38\u9ebb\u70e6\u3002\u8fd9\u65f6\u5019\uff0c\u6211\u4eec\u7684 community \u5c31\u6d3e\u4e0a\u7528\u573a\u4e86\u3002<\/p>\n<p>\u5728\u7f16\u5199\u914d\u7f6e\u524d\uff0c\u6211\u9700\u8981\u5148\u89e3\u91ca\u4e0b community \u7684\u539f\u7406\u3002<\/p>\n<p>Community \u9664\u4e86\u516c\u8ba4\u7684\u5c5e\u6027\uff08 no-export, not-advertise \u7b49\u7b49 \uff09\u5916\uff0c\u5176\u4f59\u7684\u9ed8\u8ba4\u4e3a\u53ea\u4f20\u9012\u800c\u4e0d\u91c7\u53d6\u52a8\u4f5c\uff08\u53ef\u9009\u53ef\u8fc7\u6e21\uff09\uff0c\u800c community \u7684\u8fd0\u4f5c\u65b9\u5f0f\u6709\u70b9\u7c7b\u4f3c\u4e8e Linux bash \u7684 if \u8bed\u6cd5\uff08\u5176\u5b9e policy-statement \u4e5f\u5dee\u4e0d\u591a\uff09\uff0c\u5982\u679c match\uff0c\u5219 take an action. \u6bd4\u5982\u8fd9\u6837\uff1a<\/p>\n<div class=\"enlighter-default enlighter-v-standard enlighter-t-godzilla enlighter-hover enlighter-linenumbers \">\n<div class=\"enlighter\">\n<div class=\"\">\n<div><span class=\"enlighter-c0\">#!\/bin\/bash<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">count=<\/span><span class=\"enlighter-n1\">100<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-k1\">if<\/span> <span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\"> $count -eq <\/span><span class=\"enlighter-n1\">100<\/span> <span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-k1\">then<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> echo <\/span><span class=\"enlighter-s0\">&#8220;Count is 100&#8221;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">fi<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u5982\u4e0a\u6240\u793a\uff0c\u5982\u679c\u53d8\u91cf $count ( if ) \u503c\u7b49\u4e8e100\u5219\u7528 echo \u547d\u4ee4\u663e\u793a \u201ccount is 100\u201d \u8fd9\u884c\u5b57 ( take an action )\u3002\u662f\u4e0d\u662f\u5f88\u660e\u4e86\uff1f\u518d\u4e3e\u4e2a\u4e0e community \u6709\u5173\u7684\u4f8b\u5b50\uff1a<\/p>\n<div class=\"enlighter-default enlighter-v-standard enlighter-t-godzilla enlighter-hover enlighter-linenumbers \">\n<div class=\"enlighter\">\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit policy-options<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement community-example <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term first-one <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from community reject-trigger;<\/span><span class=\"enlighter-c0\"> \/\/ \u5339\u914d\u8def\u7531\u6761\u76ee\u91cc\u7684 community value\uff0c\u82e5\u5339\u914d\u4e0a\uff0c\u5c31\u6267\u884c\u52a8\u4f5c<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span><span class=\"enlighter-text\"> reject;<\/span><span class=\"enlighter-c0\"> \/\/ \u5982\u679c\u63a5\u6536\u7684\u8def\u7531\u542b\u6709\u4e0a\u9762\u5b9a\u4e49\u7684 community value\uff0c\u5219\u76f4\u63a5\u62d2\u7edd\u8be5\u8def\u7531<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit policy-options<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community reject-trigger members <\/span><span class=\"enlighter-n1\">666<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">6666<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u9996\u5148\u6211\u4eec\u5148\u5b9a\u4e49 community value \u4e3a 666:6666\uff0c\u518d\u5728 policy \u91cc\u9762\u5199\u4e0a\u4ee5\u4e0a\u7684\u8bed\u53e5\uff0c\u5e76\u5728\u90bb\u5c45\u7684 bgp session \u4e0a\u5e94\u7528\u8be5\u7b56\u7565\uff0c\u90a3\u4e48\u903b\u8f91\u5c31\u662f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u5bf9\u65b9\u53d1\u8fc7\u6765\u7684\u8def\u7531\u542b\u8fd9\u4e2a community ( 666:6666) ( match )\uff0c\u90a3\u4e48\u8def\u7531\u5668\u5c31\u4f1a\u62d2\u6536\u8be5\u8def\u7531\u6761\u76ee ( take an action ).<\/li>\n<li>\u5982\u679c\u5bf9\u65b9\u53d1\u8fc7\u6765\u7684\u8def\u7531\u4e0d\u542b\u8fd9\u4e2a community\uff0c\u90a3\u4e48\u5c31\u4e0d\u5339\u914d\u8fd9\u4e00\u6761 term\uff0c\u8fdb\u5165\u4e0b\u4e00\u6761\u3002\u4e0b\u4e00\u6761 term \u4e3a\u7a7a\uff0c\u653e\u884c\u8be5\u8def\u7531\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u600e\u4e48\u6837\uff0c\u662f\u4e0d\u662f\u5f88\u7b80\u5355\uff1f\u4f7f\u7528 community \u53ea\u9700\u8981\u4e24\u6b65\u9aa4\uff0c1\u5339\u914d\uff0c2\u6267\u884c\u52a8\u4f5c\u3002<\/p>\n<p>\u8bdd\u4e0d\u591a\u8bf4\uff0c\u6211\u4eec\u6765\u89e3\u51b3\u5ba2\u6237\u7684\u9700\u6c42\u5427\uff01<\/p>\n<p>\u6211\u4eec\u4f7f\u7528 community \u4e4b\u524d\uff0c\u9996\u5148\u6211\u4eec\u9700\u8981\u5148\u5b9a\u4e49\u5b83\u7684\u503c\u3002\u6211\u4eec\u8fd9\u4e2a\u5b9e\u9a8c\u5185\u5b9a\u4e49\u7684 community \u503c\u5982\u4e0b\uff1a<\/p>\n<div class=\"enlighter-default enlighter-v-standard enlighter-t-godzilla enlighter-hover enlighter-linenumbers \">\n<div class=\"enlighter\">\n<div class=\"\">\n<div><span class=\"enlighter-text\">community list, \u683c\u5f0f\u4e3a 4B-ASN:NN, NN \u4e3a\u4efb\u610f\u503c<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">6661<\/span><span class=\"enlighter-text\"> \u4e0d\u8981\u5c06\u8def\u7531\u53d1\u9001\u7ed9 Telia<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">6662<\/span><span class=\"enlighter-text\"> \u4e0d\u8981\u5c06\u8def\u7531\u53d1\u9001\u7ed9 NTT<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">7771<\/span><span class=\"enlighter-text\"> \u8c03\u4f4e Telia \u7684\u4f18\u5148\u7ea7\uff0c\u5b9e\u73b0\u65b9\u6cd5\u4e3a ASPATH-PREPEND, \u5177\u4f53\u53ef\u53c2\u7167\u4e0a\u7bc7\u6587\u7ae0\u6240\u8ff0\u7684 BGP \u5c5e\u6027<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">7772<\/span><span class=\"enlighter-text\"> \u8c03\u4f4e NTT \u7684\u4f18\u5148\u7ea7\uff0c\u5b9e\u73b0\u65b9\u6cd5\u540c\u4e0a<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">888<\/span><span class=\"enlighter-text\"> \u5185\u90e8\u7528 community\uff0c\u82e5\u6709\u8def\u7531\u5339\u914d\u4e0a\u8be5 community\uff0c\u5219\u5411\u4e0a\u6e38\u53d1\u9001\u8be5\u6761\u76ee\u3002<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u5b9a\u4e49\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u5f00\u59cb\u914d\u7f6e\u5b83\uff01<\/p>\n<p class=\"has-small-font-size\">Littlewolf config:<\/p>\n<div class=\"enlighter-default enlighter-v-standard enlighter-t-godzilla enlighter-hover enlighter-linenumbers \">\n<div class=\"enlighter\">\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit policy-options<\/span><span class=\"enlighter-g1\">]<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49 community value\uff0ccommunity \u5b9e\u73b0\u529f\u80fd\u8bf7\u770b\u4e0a\u9762<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community advertise members <\/span><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">888<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community lower-priority-ntt members <\/span><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">7772<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community lower-priority-telia members <\/span><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">7771<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community no-ntt members <\/span><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">6662<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community no-telia members <\/span><span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\">:<\/span><span class=\"enlighter-n1\">6661<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit policy-options<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement ntt-filter <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49&#8221;\u62d2\u7edd\u53d1\u9001&#8221;\u89c4\u5219\uff0c\u82e5\u5339\u914d\u5230 no-ntt (65535:6662) \u8fd9\u4e2a community \u5219\u76f4\u63a5\u4e22\u5f03\u8be5\u8def\u7531<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term filter-term <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from community no-ntt;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span><span class=\"enlighter-text\"> reject;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement ntt-prepend <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49&#8221;\u964d\u4f4e\u4f18\u5148\u7ea7&#8221;\u89c4\u5219\uff0c\u82e5\u5339\u914d\u5230 lower-priority-ntt (65535:7772) \u8fd9\u4e2a community \u5219 prepend \u8fd9\u4e2a\u8def\u7531 aspath \u5c5e\u60273\u6b21\uff0c\u518d\u8fdb\u884c\u4e0b\u4e00\u6b65<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term prepend-term <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from community lower-priority-ntt; <\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span> <span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ as-path-prepend <\/span><span class=\"enlighter-s0\">&#8220;138667 138667 138667&#8221;<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ next term;<\/span><span class=\"enlighter-c0\"> \/\/ \u5339\u914d\u5b8c\u540e\u8fdb\u5165\u4e0b\u4e00\u4e2a policy\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u8df3\u51fa<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement telia-filter <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49&#8221;\u62d2\u7edd\u53d1\u9001&#8221;\u89c4\u5219\uff0c\u82e5\u5339\u914d\u5230 no-telia (65535:6661) \u8fd9\u4e2a community \u5219\u76f4\u63a5\u4e22\u5f03\u8be5\u8def\u7531<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term filter-term <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from community no-telia;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span><span class=\"enlighter-text\"> reject;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement telia-prepend <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49&#8221;\u964d\u4f4e\u4f18\u5148\u7ea7&#8221;\u89c4\u5219\uff0c\u82e5\u5339\u914d\u5230 lower-priority-telia (65535:7771) \u8fd9\u4e2a community \u5219 prepend \u8fd9\u4e2a\u8def\u7531 aspath \u5c5e\u60273\u6b21\uff0c\u518d\u8fdb\u884c\u4e0b\u4e00\u6b65<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term prepend-term <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from community lower-priority-telia;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span> <span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ as-path-prepend <\/span><span class=\"enlighter-s0\">&#8220;138667 138667 138667&#8221;<\/span><span class=\"enlighter-text\">;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ next term;<\/span><span class=\"enlighter-c0\"> \/\/ \u5339\u914d\u5b8c\u540e\u8fdb\u5165\u4e0b\u4e00\u4e2a policy\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u8df3\u51fa<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement bgp-announce <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49&#8221;\u53d1\u9001\u8def\u7531&#8221;\u89c4\u5219\uff0c\u82e5\u5339\u914d\u5230 advertise (65535:888) \u8fd9\u4e2a community \u5219\u53d1\u9001\u81f3\u4e0a\u6e38<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term announce-bgp <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from community advertise;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span><span class=\"enlighter-text\"> accept;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term default-reject <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u9ed8\u8ba4\u62d2\u7edd\u53d1\u9001\u6240\u6709\u8def\u7531\uff0c\u9632\u6b62\u8def\u7531\u6cc4\u6f0f<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span><span class=\"enlighter-text\"> reject;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ policy-statement customer-import <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5b9a\u4e49\u5ba2\u6237\u4fa7\u63a5\u6536\u8def\u7531\u7684\u89c4\u5219<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term lower-ntt <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5ba2\u6237\u8fd9\u4e9b\u6bb5\u9700\u8981 telia \u4f18\u5148\uff0c\u6240\u4ee5\u6211\u4eec\u5bf9 ntt \u964d\u4f4e\u4f18\u5148\u7ea7 (aspath prepend)<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">1.0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">2<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">3<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">4<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">5<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span> <span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add advertise;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a\u8be5 community \u8def\u7531\u5668\u5219\u8ba4\u4e3a\u8be5\u8def\u7531\u5408\u6cd5\uff08\u8054\u52a8\u4e0a\u9762 policy\uff09<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add lower-priority-ntt;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a ntt \u4f4e\u4f18\u5148\u7ea7 community<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ accept;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term lower-telia <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5ba2\u6237\u8fd9\u4e9b\u6bb5\u9700\u8981 ntt \u4f18\u5148\uff0c\u6240\u4ee5\u6211\u4eec\u5bf9 telia \u964d\u4f4e\u4f18\u5148\u7ea7 (aspath prepend)<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">6<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">7<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">8<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span> <span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add advertise;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a\u8be5 community \u8def\u7531\u5668\u5219\u8ba4\u4e3a\u8be5\u8def\u7531\u5408\u6cd5\uff08\u8054\u52a8\u4e0a\u9762 policy\uff09<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add lower-priority-telia;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a telia \u4f4e\u4f18\u5148\u7ea7 community<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ accept;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term accept-rest <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5ba2\u6237\u8fd9\u4e2a\u6bb5\u4ed6\u9700\u8981\u81ea\u5df1\u8c03\u6574\uff0c\u6240\u4ee5\u6211\u4eec\u4e0d\u505a\u989d\u5916\u5904\u7406<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">9<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span> <span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add advertise;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a\u8be5 community \u8def\u7531\u5668\u5219\u8ba4\u4e3a\u8be5\u8def\u7531\u5408\u6cd5\uff08\u8054\u52a8\u4e0a\u9762 policy\uff09<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ accept;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term no-telia <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u5ba2\u6237\u8fd9\u4e2a\u6bb5\u4e0d\u613f\u610f\u53d1\u9001\u5230 telia \uff08\u53ea\u53d1\u9001\u5230 NTT\uff0c\u6240\u4ee5\u6211\u4eec\u6253\u4e0a no-telia community \u6765\u7981\u6b62\u5411 telia \u53d1\u9001<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ from <\/span><span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ route-filter <\/span><span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">10<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span><span class=\"enlighter-text\"> exact;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span> <span class=\"enlighter-g1\">{<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add no-telia;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a\u8be5 community \u5219\u8def\u7531\u5668\u5728\u5411 telia \u53d1\u9001\u8def\u7531\u65f6\u5339\u914d\u5230\u9884\u7f6e\u89c4\u5219\u540e\u4e22\u5f03<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ community add advertise;<\/span><span class=\"enlighter-c0\"> \/\/ \u6253\u4e0a\u8be5 community \u8def\u7531\u5668\u5219\u8ba4\u4e3a\u8be5\u8def\u7531\u5408\u6cd5\uff08\u7531\u4e8e\u8fd9\u6761 term \u53ea\u662f\u7981\u6b62\u4e86\u5411 telia \u53d1\u9001\uff0c\u6240\u4ee5 ntt \u8fd8\u662f\u4f1a\u53d1\u9001\u7684\uff0c\u53ea\u6709 telia \u88ab\u62d2\u7edd\uff09<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ accept;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ term reject-rest <\/span><span class=\"enlighter-g1\">{<\/span><span class=\"enlighter-c0\"> \/\/ \u9ed8\u8ba4\u62d2\u7edd\u6240\u6709\uff0c\u9632\u6b62\u63a5\u6536\u5230\u4e0d\u6cd5\u8def\u7531\u540e\u6cc4\u6f0f\u7ed9\u90bb\u5c45<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-k1\">then<\/span><span class=\"enlighter-text\"> reject;<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ <\/span><span class=\"enlighter-g1\">}<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit protocols bgp group upstream neighbor <\/span><span class=\"enlighter-n0\">47.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">&#8211; export export-client;<\/span><span class=\"enlighter-c0\"> \/\/ \u5220\u9664\u65e7\u7684 export \u89c4\u5219<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ export <\/span><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\"> telia-prepend telia-filter bgp-announce <\/span><span class=\"enlighter-g1\">]<\/span><span class=\"enlighter-text\">;<\/span><span class=\"enlighter-c0\"> \/\/ \u6309\u987a\u5e8f\u5199\u4e0a\u89c4\u5219\u6392\u5217\uff0c\u4ece\u5de6\u5f80\u53f3\u751f\u6548<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit protocols bgp group upstream neighbor <\/span><span class=\"enlighter-n0\">74.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">&#8211; export export-client;<\/span><span class=\"enlighter-c0\"> \/\/ \u5220\u9664\u65e7\u7684 export \u89c4\u5219<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ export <\/span><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\"> ntt-prepend ntt-filter bgp-announce <\/span><span class=\"enlighter-g1\">]<\/span><span class=\"enlighter-text\">;<\/span><span class=\"enlighter-c0\"> \/\/ \u6309\u987a\u5e8f\u5199\u4e0a\u89c4\u5219\u6392\u5217\uff0c\u4ece\u5de6\u5f80\u53f3\u751f\u6548<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g1\">[<\/span><span class=\"enlighter-text\">edit protocols bgp group downstream neighbor <\/span><span class=\"enlighter-n0\">10.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-g1\">]<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">&#8211; import export-client;<\/span><span class=\"enlighter-c0\"> \/\/ \u5220\u9664\u65e7\u7684 import \u89c4\u5219<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">+ import customer-import;<\/span><span class=\"enlighter-c0\"> \/\/ \u6309\u5ba2\u6237\u9700\u6c42\u8c03\u6574\u540e\u7684 policy<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u4e0d\u9519\uff0c\u6211\u4eec\u90fd\u5199\u5b8c\u4e86\u8fd9\u4e9b\u5197\u957f\u7684\u89c4\u5219\u4e86\uff01\u53ef\u80fd\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\u4f1a\u6709\u70b9\u96be\u4ee5\u7406\u89e3\uff0c\u6240\u4ee5\u8fd9\u91cc\u7ed9\u5927\u5bb6\u753b\u4e00\u5f20\u56fe\u6765\u89e3\u91ca\u4e00\u4e0b\u5427\uff01<\/p>\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-4.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-4-1024x624.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" class=\"wp-image-132\" data-original=\"https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-4-1024x624.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"  alt=\"\" width=\"1024\" height=\"624\" data-src=\"https:\/\/littlewolf.moe\/wp-content\/uploads\/2020\/01\/image-4.png\" \/><\/div><\/a><\/figure>\n<p>&nbsp;<\/p>\n<p>\u770b\u5b8c\u8fd9\u5f20\u56fe\uff0c\u4f60\u662f\u4e0d\u662f\u7a0d\u5fae\u6709\u70b9\u7406\u89e3\u4e86\u5462\uff1f\u867d\u8bf4\u4f7f\u7528 community \u5f00\u5934\u96be\u4e14\u914d\u7f6e\u8f83\u591a\uff0c\u4f46\u662f\u4e60\u60ef\u540e\uff0c\u4f60\u4f1a\u53d1\u73b0\u771f\u7684\u597d\u7528\uff0c\u540e\u7eed\u7684\u7ef4\u62a4\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u7ef4\u62a4\u4e00\u4e2a\u89c4\u5219\u5c31\u591f\u4e86\uff01\u4e0d\u591a\u8bf4\u4e86\uff0c\u914d\u7f6e\u5df2\u7ecf\u63d0\u4ea4\u7ed9\u8def\u7531\u5668\u4e86\uff0c\u6211\u4eec\u6765\u9a8c\u8bc1\u5bf9\u7aef\u63a5\u6536\u8def\u7531\u7684\u60c5\u51b5\u5427\uff01<\/p>\n<p><strong>\u9a8c\u8bc1 Internet-Routes \u63a5\u6536\u8def\u7531\u7684\u72b6\u6001\uff1a<\/strong><\/p>\n<div class=\"enlighter-default enlighter-v-standard enlighter-t-godzilla enlighter-hover enlighter-linenumbers \">\n<div class=\"enlighter\">\n<div class=\"\">\n<div><span class=\"enlighter-text\">Internet-Route<\/span><span class=\"enlighter-c0\">s#show ip bgp<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\">Status codes: s suppressed, d damped, h history, <\/span><span class=\"enlighter-g0\">*<\/span><span class=\"enlighter-text\"> valid, <\/span><span class=\"enlighter-g1\">&gt;<\/span><span class=\"enlighter-text\"> best, i &#8211; internal<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">1.0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">2<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">3<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">4<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">5<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">6<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">7<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">8<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-g0\">*<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">9<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">101.0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n0\">0.1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">1299<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<div class=\"\">\n<div><span class=\"enlighter-text\"> *<\/span><span class=\"enlighter-g1\">&gt;<\/span> <span class=\"enlighter-n0\">45.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">10<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-n1\">0<\/span><span class=\"enlighter-text\">\/<\/span><span class=\"enlighter-n1\">24<\/span> <span class=\"enlighter-n0\">101.1<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">0<\/span><span class=\"enlighter-text\">.<\/span><span class=\"enlighter-m3\">1<\/span> <span class=\"enlighter-n1\">0<\/span> <span class=\"enlighter-n1\">2914<\/span> <span class=\"enlighter-n1\">138667<\/span> <span class=\"enlighter-n1\">65535<\/span><span class=\"enlighter-text\"> i<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u4e0d\u9519\u561b\uff01\u6839\u636e\u68c0\u67e5 BGP Table \u7684\u60c5\u51b5\u6765\u770b\uff0c\u53ef\u4ee5\u89c1\u5f97 internet-router \u505a\u51fa\u4e86\u4ee5\u4e0b\u9009\u8def\u89c4\u5219\uff1a<\/p>\n<ul>\n<li>45.1.1.0\/24 \u2013 45.1.10.0\/24 \u5171 10 \u4e2a\u6bb5\u5168\u90e8\u63a5\u6536\u5230\u4e86<\/li>\n<li>45.1.1.0\/24 \u2013 45.1.5.0\/24 \u8fd9\u4e94\u4e2a\u6bb5\u73b0\u5728\u4e3a Telia \u94fe\u8def\u4f18\u5148 ( \u201c&gt;\u201d \u7b26\u53f7\u6307\u5411\u7684\u8def\u7531\u4e3a\u6700\u4f18\u8def\u7531 )<\/li>\n<li>45.1.6.0\/24 \u2013 45.1.8.0\/24 \u8fd9\u4e09\u4e2a\u6bb5\u9700\u8981\u4e3a NTT \u94fe\u8def\u4f18\u5148<\/li>\n<li>45.1.9.0\/24 \u8fd9\u4e2a\u6bb5\u4e5f\u6536\u5230\u4e86\uff0c\u516c\u8ba4\u5c5e\u6027\u6ca1\u6709\u6539\u53d8<\/li>\n<li>45.1.10.0\/24 \u8fd9\u4e2a\u6bb5\u53ea\u4ece NTT \u63a5\u53e3\u6536\u5230\u4e86\uff0cTelia \u63a5\u53e3\u6ca1\u6536\u5230\u8be5\u6761\u76ee<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u5ba2\u6237\u7684\u9700\u6c42\u5168\u90e8\u5b9e\u73b0\u4e86\uff0c\u5927\u529f\u544a\u6210\uff01\u53ef\u4ee5\u4f11\u606f\u4e00\u6bb5\u65f6\u95f4\u4e86\uff5e<\/p>\n<p>\u8bdd\u8bf4\u6ca1\u8fc7\u51e0\u5929\uff0c\u670d\u52a1\u5668\u88ab\u653b\u51fb\u4e86\uff0c\u73b0\u5728\u6211\u7684\u7f51\u7edc\u5904\u4e8e\u5b8c\u5168\u762b\u75ea\u72b6\u6001<\/p>\n<p>\u7acb\u5373\u4e3a\u5176\u542f\u52a8\u4e86 RTBH (Remote Triggered Black Hole) \u6280\u672f\u2026 \u8fd9\u4e2a\u6280\u672f\u662f\u5565\uff0c\u5230\u5e95\u80fd\u4e0d\u80fd\u6210\u529f\u6551\u56de\u56e0\u5927\u6d41\u91cf\u800c\u88ab\u5835\u5230\u762b\u75ea\u7684\u7f51\u7edc\u5462\uff1f<\/p>\n<p>\u6b32\u77e5\u540e\u4e8b\u5982\u4f55\uff0c\u4e14\u542c\u4e0b\u56de\u5206\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6587\u7ae0\u6211\u4eec\u8bb2\u5230\uff0c\u5982\u679c\u5ba2\u6237\u5728\u6709\u5f88\u591a IP \u6bb5\u7684\u4e14\u9700\u6c42\u7e41\u591a\u7684\u65f6\u5019\uff0c\u4f7f\u7528\u5355\u7eaf\u7684\u8def\u7531\u8fc7\u6ee4\u5668 ( Route-fil [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,2],"tags":[],"class_list":["post-11003","post","type-post","status-publish","format-standard","hentry","category-cisco","category-network"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/11003","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=11003"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/11003\/revisions"}],"predecessor-version":[{"id":11004,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/11003\/revisions\/11004"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}