{"id":30724,"date":"2023-08-30T11:11:49","date_gmt":"2023-08-30T03:11:49","guid":{"rendered":"http:\/\/www.idc.net\/help\/?p=30724"},"modified":"2023-08-30T11:11:49","modified_gmt":"2023-08-30T03:11:49","slug":"bgp%e5%8e%9f%e7%90%86%e4%b8%8e%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/30724\/","title":{"rendered":"BGP\u539f\u7406\u4e0e\u914d\u7f6e"},"content":{"rendered":"<h2 id=\"h_574615281_0\" data-first-child=\"\" data-into-catalog-status=\"\">\u4e00\u3001\u4e13\u4e1a\u672f\u8bed<\/h2>\n<p data-pid=\"HXnvPLpK\">BGP\uff08Border Gateway Protocol\uff0c\u8fb9\u754c\u7f51\u5173\u8def\u7531\u534f\u8bae\uff09<\/p>\n<p data-pid=\"N9bkmF_U\">\u7528\u4e8eAS\u4e4b\u95f4\u4f20\u9012\u8def\u7531\u4fe1\u606f<\/p>\n<h3 id=\"h_574615281_1\" data-into-catalog-status=\"\">\uff081\uff09AS\uff08\u81ea\u6cbb\u7cfb\u7edf\uff09\uff1a<\/h3>\n<p data-pid=\"9d4B5qES\">\u5728\u540c\u4e00\u4e2a\u7ec4\u7ec7\u7ba1\u7406\u4e0b\uff0c\u4f7f\u7528\u7edf\u4e00\u9009\u8def\u7b56\u7565\u7684\u8bbe\u5907\u96c6\u5408<\/p>\n<p data-pid=\"zbs_PbK_\">AS\u53f7\u7531IANA\u8d1f\u8d23\uff0c<\/p>\n<p data-pid=\"5GdXs7K1\">2009\u5e741\u6708\u4e4b\u524d\uff0c\u53ea\u80fd\u4f7f\u7528\u6700\u591a2\u5b57\u8282\uff08\u53732*8=16bit\uff09\u957f\u5ea6\u7684AS\u53f7\u7801\uff0c\u53732^16 - 1 = 65535<\/p>\n<p data-pid=\"JcppjuvC\">2009\u5e741\u6708\u540e\uff0cIANA\u51b3\u5b9a\u4f7f\u75284\u5b57\u8282\u957f\u5ea6AS\uff0c\u8303\u56f4\u662f65536-4294967295\u3002<\/p>\n<p data-pid=\"3Vtvbm_r\">\u516c\u5171AS\u53f7\uff1a1-64511<\/p>\n<p data-pid=\"QtglZAoW\">\u79c1\u6709AS\u53f7\uff1a64512-65534\uff0865535\u4fdd\u7559\uff0c\u8bb0\u5fc6\u529e\u6cd5\uff1a2^16-1=65535\uff09<\/p>\n<h3 id=\"h_574615281_2\" data-into-catalog-status=\"\">\uff082\uff09BGP\u7279\u5f81\uff1a<\/h3>\n<p data-pid=\"WBTrZzEB\">1.BGP\u534f\u8bae\u57fa\u4e8eTCP\uff0c\u4f7f\u7528\u7684\u7aef\u53e3\u53f7\u4e3a179\uff08\u53ea\u8981\u80fd\u5efa\u7acbTCP\u8fde\u63a5\u5373\u53ef\u4ee5\u5efa\u7acbBGP\uff09<\/p>\n<p data-pid=\"mzwyM5Vz\">2.BGP\u53ef\u4ee5\u627f\u8f7d\u5927\u6279\u91cf\u7684\u8def\u7531\u4fe1\u606f\uff08\u89e6\u53d1\u5f0f\u66f4\u65b0\uff09<\/p>\n<p data-pid=\"0j0nJnCZ\">\uff08\u516c\u7f51BGP\u6c47\u603b\u8bbe\u5907\uff1aroute-server.ip.att.net\u00a0SSH\u53ef\u8fde\u63a5\uff0c\u4f7f\u7528\u547d\u4ee4show bgp summary\u67e5\u770b\uff09<\/p>\n<p data-pid=\"_ZLTJQzZ\">3.BGP\u4e5f\u88ab\u79f0\u4e3a\u8def\u5f84\u77e2\u91cf\u8def\u7531\u534f\u8bae\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8def\u7531\u7b56\u7565\u548c\u8def\u7531\u5c5e\u6027\uff0c\u53ef\u4ee5\u7075\u6d3b\u7684\u5b9e\u73b0\u8def\u7531\u9009\u8def\uff0c\u4ee5\u53ca\u9632\u6b62\u73af\u8def<\/p>\n<p data-pid=\"VsJSRmac\">4.BGP\u652f\u6301MPLS VPN\u7684\u5e94\u7528<\/p>\n<h3 id=\"h_574615281_3\" data-into-catalog-status=\"\">\uff083\uff09BGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/h3>\n<p data-pid=\"4Rbsy2pK\">\uff08EBGP\u548cIBGP\uff09\uff08\u5728BGP\u4e2d\uff0c\u53ef\u4ee5\u8de8\u8bbe\u5907\u5efa\u7acb\u5bf9\u7b49\u4f53\u5173\u7cfb\uff0c\u4e24\u4e2a\u5efa\u7acbBGP\u4f1a\u8bdd\u7684\u8def\u7531\u5668\u4e92\u4e3a\u5bf9\u7b49\u4f53\uff09<\/p>\n<p data-pid=\"VFnyoc8b\">1.EBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\uff1a\u4e24\u53f0\u8bbe\u5907\u5904\u4e8e\u4e0d\u540c\u7684AS\uff0c\u8def\u7531\u53ef\u8fbe<\/p>\n<p data-pid=\"ynP4_4JP\">\uff08\u5982\u679c\u5728\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u65f6\uff0c\u4f7f\u7528loopback\u63a5\u53e3\u5efa\u7acb\u5bf9\u7b49\u4f53\u5173\u7cfb\uff09<\/p>\n<p data-pid=\"xwBa6xTr\">2.IBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\uff08\u5efa\u8bae\u4f7f\u7528loopback\u63a5\u53e3\u5efa\u7acb\u5bf9\u7b49\u4f53\u5173\u7cfb\uff09\uff1a\u4e24\u53f0\u8bbe\u5907\u5904\u4e8e\u76f8\u540c\u7684AS\uff0c\u8def\u7531\u53ef\u8fbe<\/p>\n<h2 id=\"h_574615281_4\" data-into-catalog-status=\"\">\u4e8c\u3001\u5bf9\u7b49\u4f53\u5173\u7cfb\u5efa\u7acb<\/h2>\n<p data-pid=\"HTLhh62u\">1\u3001\u4e09\u6b21\u63e1\u624b\u5efa\u7acbTCP\u8fde\u63a5<\/p>\n<p data-pid=\"SHN7lEjO\">\u542f\u52a8\u7aef\uff08\u968f\u673a\u7aef\u53e3\uff09\u5411\u53e6\u4e00\u7aef\uff08179\u7aef\u53e3\uff09\u53d1\u542fTCP\u8fde\u63a5\uff0c<\/p>\n<p data-pid=\"Ov2Jyi10\">2\u3001OPEN\u62a5\u6587\uff08\u534f\u5546\u76f8\u5173\u53c2\u6570)<\/p>\n<p data-pid=\"PKy8Pmgd\">TCP\u8fde\u63a5\u5efa\u7acb\u4e4b\u540e\uff0c\u76f8\u4e92\u53d1\u9001Open\u62a5\u6587\uff0c\u53c2\u6570\u534f\u5546\u6b63\u5e38\u540e\u76f8\u4e92\u53d1\u9001keepalive\u62a5\u6587\uff0c\u6536\u5230\u5bf9\u7aef\u7684Keepalive\u62a5\u6587\u4e4b\u540e\u5bf9\u7b49\u4f53\u521b\u5efa\u6210\u529f\u3002<\/p>\n<p data-pid=\"-VoLN2d5\">keepalive\u62a5\u6587\uff1a\u6807\u8bc6\u5bf9\u7b49\u4f53\u5efa\u7acb\u5b8c\u6210\uff0c\u5e76\u7ef4\u62a4\u5bf9\u7b49\u4f53\u5173\u7cfb\uff08\u5468\u671f\u6027\u53d1\u90011\u5206\u949f1\u6b21\uff09<\/p>\n<p data-pid=\"YhHl35lY\">3\u3001\u5982\u679c\u6709\u8def\u7531\u4fe1\u606f\u4fe1\u606f\u9700\u8981\u4f20\u9012\u65f6\uff0c\u5219\u4f1a\u53d1\u9001update\u62a5\u6587<\/p>\n<h2 id=\"h_574615281_5\" data-into-catalog-status=\"\">\u4e09\u3001BGP\u62a5\u6587\u7c7b\u578b<\/h2>\n<p data-pid=\"P66XHY3u\">OPEN\uff1a\u534f\u5546\u76f8\u5173\u53c2\u6570<\/p>\n<p data-pid=\"uEY9tJrv\">keepalive\uff1a\u6807\u8bc6\u5bf9\u7b49\u4f53\u5efa\u7acb\u5b8c\u6210\uff0c\u5e76\u7ef4\u62a4\u5bf9\u7b49\u4f53\u5173\u7cfb<\/p>\n<p data-pid=\"X4kdRlgO\">update\uff1a\u53d1\u9001\u8def\u7531\u66f4\u65b0\uff08\u53d1\u5e03\u8def\u7531\u3001\u64a4\u9500\u8def\u7531\uff09<\/p>\n<p data-pid=\"9Vl0ZUv4\">notification\uff1a\u62a5\u544a\u9519\u8bef\u4fe1\u606f\uff0c\u4e2d\u6b62\u5bf9\u7b49\u4f53\u5173\u7cfb<\/p>\n<p data-pid=\"Tq3lQqlA\">route-refresh\uff1a\u5f53\u8def\u7531\u7b56\u7565\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u91cd\u65b0\u8bf7\u6c42\u53d1\u9001\u8def\u7531\u4fe1\u606f<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30725\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-1\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-338088a5ef63ed90aa53f1e61d779f79_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-1\" width=\"1100\" height=\"426\" \/><\/div>\n<\/figure>\n<h2 id=\"h_574615281_6\" data-into-catalog-status=\"\">\u56db\u3001BGP\u72b6\u6001\u673a<\/h2>\n<p data-pid=\"Plbs32iZ\">idle\uff1a\u521d\u59cb\u72b6\u6001,\u4e3a\u4e86\u8fdb\u884ctcp\u8fde\u63a5\u505a\u51c6\u5907<\/p>\n<p data-pid=\"sFC7kJ-D\">connect\uff1a\u6b63\u5728\u8fdb\u884cTCP\u8fde\u63a5<\/p>\n<p data-pid=\"5rt8BrH7\">active\uff1aTCP\u5efa\u7acb\u4e0d\u6210\u529f,tcp\u8fde\u63a5\u5efa\u7acb\u5931\u8d25\uff0c\u91cd\u65b0\u5c1d\u8bd5\u5efa\u7acbTCP\u8fde\u63a5<\/p>\n<p data-pid=\"Mem31ehs\">opensent\uff1aTCP\u5efa\u7acb\u6210\u529f ,\u53d1\u9001open\u62a5\u6587\u7528\u6765\u534f\u5546\u53c2\u6570<\/p>\n<p data-pid=\"9V1_wtBO\">openconfim\uff1a\u53c2\u6570\u534f\u5546\u5b8c\u6210\uff0c\u53d1\u9001\u4e86\u81ea\u5df1\u7684keepalive\u3002\u7b49\u5f85\u5bf9\u65b9\u7684keepalive<\/p>\n<p data-pid=\"zIyW4uU2\">established\uff1a\u7a33\u5b9a\u72b6\u6001\uff0c\u6536\u5230\u5bf9\u65b9\u53d1\u9001\u7684keepalive\u62a5\u6587\u65f6\uff08BGP\u4f1a\u8bdd\u5efa\u7acb\u5b8c\u6210\uff09<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30727\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-2\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-318aef8c2fbc7a9a37edd3798e24366b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-2\" width=\"1149\" height=\"435\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30726\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-3\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-113d6aed369a97934e28d50eaa581079_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-3\" width=\"1026\" height=\"440\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-113d6aed369a97934e28d50eaa581079_1440w.webp.jpg 1026w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-113d6aed369a97934e28d50eaa581079_1440w.webp-300x129.jpg 300w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-113d6aed369a97934e28d50eaa581079_1440w.webp-1024x439.jpg 1024w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-113d6aed369a97934e28d50eaa581079_1440w.webp-768x329.jpg 768w\" sizes=\"auto, (max-width: 1026px) 100vw, 1026px\" \/><\/div>\n<\/figure>\n<h2 id=\"h_574615281_7\" data-into-catalog-status=\"\">\u4e94\u3001BGP\u8def\u7531\u5982\u4f55\u751f\u6210<\/h2>\n<p data-pid=\"XRTfWq36\">\uff08BGP\u53ea\u8fdb\u884c\u8def\u7531\u7684\u4f20\u9012\uff0c\u4e0d\u4f1a\u4e3b\u52a8\u5b66\u4e60\u5e76\u53d1\u73b0\u8def\u7531\uff09<\/p>\n<p data-pid=\"wlUJOmOt\">\uff081\uff09network\uff1a\u6ce8\u5165\u7684\u662f\u7cbe\u786e\u7684\u8def\u7531\u4fe1\u606f<\/p>\n<p data-pid=\"VNUwMhJu\">\uff082\uff09import-route\uff1a\u53ef\u4ee5\u6279\u91cf\u5c06\u8def\u7531\uff08\u8def\u7531\u5b66\u4e60\u5230\u7684\u65b9\u5f0f\u662f\u76f8\u540c\u7684\uff09\u8fdb\u884c\u6ce8\u5165<\/p>\n<p data-pid=\"zzGbkAwc\">\uff083\uff09BGP\u805a\u5408\u8def\u7531\uff08\u624b\u5de5\u805a\u5408\uff09\uff1aaggregate<\/p>\n<h2 id=\"h_574615281_8\" data-into-catalog-status=\"\">\u516d\u3001BGP\u901a\u544a\u539f\u5219<\/h2>\n<p data-pid=\"uzxNRnym\">\uff081\uff09\u53ea\u53d1\u5e03\u6700\u4f18\u4e14\u6709\u6548\u7684\u8def\u7531\u3002*\u4ee3\u8868\u6709\u6548\uff0c&gt;\u4ee3\u8868\u6700\u4f18<\/p>\n<p data-pid=\"Cudq65xJ\">\uff082\uff09\u4eceEBGP\u5bf9\u7b49\u4f53\u83b7\u53d6\u7684\u8def\u7531\uff0c\u4f1a\u53d1\u9001\u7ed9\u6240\u6709\u5bf9\u7b49\u4f53<\/p>\n<p data-pid=\"I7pKqLk_\">\uff083\uff09IBGP\u6c34\u5e73\u5206\u5272\uff08\u7528\u4e8e\u907f\u514dAS\u5185\u90e8\u73af\u8def\uff09\uff1a\u4eceIBGP\u5bf9\u7b49\u4f53\u6240\u83b7\u53d6\u7684\u8def\u7531\uff0c\u4e0d\u4f1a\u53d1\u9001\u7ed9\u5176\u4ed6IBGP\u5bf9\u7b49\u4f53<\/p>\n<p data-pid=\"xkL4nJyd\">\uff084\uff09BGP\u540c\u6b65\u539f\u5219\uff08\u9632\u6b62\u51fa\u73b0\u8def\u7531\u9ed1\u6d1e\uff09\uff1a\u5f53\u4e00\u53f0\u8def\u7531\u5668\u4ece\u81ea\u5df1\u7684IBGP\u5bf9\u7b49\u4f53\u4fe1\u606f\u5230\u4e00\u6761BGP\u8def\u7531\u65f6\uff0c\u4e0d\u4f1a\u5c06\u8be5\u8def\u7531\u53d1\u5e03\u7ed9\u81ea\u5df1\u7684EBGP\u5bf9\u7b49\u4f53\uff0c\u9664\u975e\u4eceIGP\u534f\u8bae\u5f53\u4e2d\u5b66\u4e60\u5230\u8be5\u6761\u8def\u7531<\/p>\n<h2 id=\"h_574615281_9\" data-into-catalog-status=\"\">\u4e03\u3001BGP\u8def\u5f84\u5c5e\u6027\u4e0e\u8def\u7531\u53cd\u5c04\u5668<\/h2>\n<h3 id=\"h_574615281_10\" data-into-catalog-status=\"\">1.\u8def\u5f84\u5c5e\u6027<\/h3>\n<p data-pid=\"pudJbAvb\"><b>1\uff09\u516c\u8ba4\u5fc5\u9075\u5c5e\u6027\uff1a\u5fc5\u987b\u5b58\u5728update\u6d88\u606f<\/b><\/p>\n<ul>\n<li data-pid=\"6j-qKk4R\"><b>oringin\u00a0<\/b>\uff1a\u8d77\u6e90\uff0c\u6807\u8bc6\u8def\u7531\u6765\u6e90\uff0c\u8fdb\u884c\u4f18\u9009\u7684\u539f\u5219 \uff1ai &gt; e &gt; ? \uff08IGP &gt; EGP &gt; Incomplete\uff09<\/li>\n<li data-pid=\"HZdWAebs\"><b>AS_PATH\u00a0<\/b>: \u8bb0\u5f55\u53bb\u5f80\u76ee\u6807\u7f51\u7edc\u7ecf\u8fc7\u7684AS\u5217\u8868\uff0c\u4f5c\u7528\uff1a\u5b9e\u73b0\u907f\u514dAS\u95f4\u73af\u8def\uff0c\u5b9e\u73b0\u8def\u5f84\u4f18\u9009\uff08\u6839\u636eAS_PATH\u4e2a\u6570\u591a\u5c11\uff09<\/li>\n<li data-pid=\"B3n4CyVT\"><b>next_hop\u00a0<\/b>: \u5f53\u53d1\u9001\u7ed9EBGP\u5bf9\u7b49\u4f53\u65f6\uff0c\u4f1a\u5c06\u4e0b\u4e00\u8df3\u5730\u5740\u66f4\u65b0\u6210TCP\u6e90\u8fde\u63a5\u5730\u5740\uff1bBGP\u8def\u7531\u5728\u4f20\u9012\u7ed9IBGP\u5bf9\u7b49\u4f53\u65f6\u4e0d\u4f1a\u8fdb\u884cnext_hop\u7684\u66f4\u6539\uff08\u53ef\u4ee5\u6dfb\u52a0 next_hop-local\u53c2\u6570\uff09<\/li>\n<\/ul>\n<p data-pid=\"BrZYv477\"><b>2\uff09\u516c\u8ba4\u4efb\u610f\u5c5e\u6027\uff1a\u53ef\u80fd\u4f1a\u5b58\u5728\u4e8eupdate\u6d88\u606f\u4e2d\uff0c\u4f46\u662f\u5982\u679c\u643a\u5e26\u5fc5\u987b\u8bc6\u522b<\/b><\/p>\n<ul>\n<li data-pid=\"E1qr6C3R\">local_preference\uff08\u6ce8\u610f\u4e8b\u9879\uff09:\u7528\u4e8e\u544a\u8bc9AS\u5185\u7684\u8def\u7531\u5668\uff0c\u54ea\u6761\u8def\u5f84\u662f\u79bb\u5f00\u672cAS\u7684\u6700\u4f18\u8def\u5f84\uff08\u53ea\u5728IBGP\u5185\u90e8\u8fdb\u884c\u5e94\u7528\uff0c\u503c\u8d8a\u5927\u8d8a\u4f18\u5148\uff0c\u7f3a\u7701\u503c\u4e3a100\uff09<\/li>\n<li data-pid=\"egp_p7Vk\">atomic_aggregate\uff1a\u6807\u660e\u8be5\u8def\u7531\u662f\u805a\u5408\u8def\u7531<\/li>\n<\/ul>\n<p data-pid=\"IBfJ0A9e\"><b>3\uff09\u53ef\u9009\u8fc7\u6e21\u5c5e\u6027\uff1aBGP\u8bbe\u5907\u4e0d\u8bc6\u522b\u6b64\u7c7b\u5c5e\u6027\uff0c\u63a5\u6536\u5e76\u901a\u544a\u7ed9\u5176\u4ed6\u8bbe\u5907<\/b><\/p>\n<ul>\n<li data-pid=\"vwdQIPJj\">aggregate\uff1a\u8bb0\u5f55\u4e86\u805a\u5408\u8bbe\u5907\u7684AS\u548crouter ID<\/li>\n<li data-pid=\"hBjOQZa0\">community\uff084\u79cd\u516c\u8ba4community\u5c5e\u6027\uff09\uff1a\u56e2\u4f53\uff0c\u7528\u6765\u8fdb\u884c\u8def\u7531\u6807\u8bb0\uff0c\u7b80\u5316\u8def\u7531\u7b56\u7565\u7684\u6267\u884c<\/li>\n<li data-pid=\"AtWIZ8f1\">----(1) \u4f5c\u7528\uff1a\u7b80\u5316\u7b56\u7565\u90e8\u7f72\uff0c\u53ef\u4ee5\u6dfb\u52a0\u56e2\u4f53\u53f7\u6216\u8005\u8fdb\u884c\u516c\u8ba4\u56e2\u4f53\u5c5e\u6027\u7684\u66f4\u6539<\/li>\n<li data-pid=\"96fbO0k9\">----(2) \u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u7684BGP\u8def\u7531\u5c5e\u4e8eInternet\u5c5e\u6027\uff08\u53ef\u4ee5\u5411\u6240\u6709\u7684\u5bf9\u7b49\u4f53\u53d1\u5e03\uff09<\/li>\n<li data-pid=\"wBRojvIj\">----dis bgp routing-table community \u67e5\u770b\u672c\u8bbe\u5907\u4e0a\u5c5e\u4e8einternet\u5c5e\u6027\u7684\u8def\u7531\u3002<\/li>\n<\/ul>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30729\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-4\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-73417fd1c7fb82bab8871a1289214676_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-4\" width=\"1113\" height=\"412\" \/><\/div>\n<\/figure>\n<p data-pid=\"ARH002x1\">\u53c2\u8003\u914d\u7f6e<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30728\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-5\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-62f0aca170f959094d71236b8ee4720e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-5\" width=\"1056\" height=\"292\" \/><\/div>\n<\/figure>\n<ul>\n<li data-pid=\"fW4qKTsI\">acl number 2000<\/li>\n<li data-pid=\"4-qDIL4W\">rule 5 permit<\/li>\n<li data-pid=\"uyu53ZkV\">----------------------------------------<\/li>\n<li data-pid=\"RUjpYhOp\">router-policy 100 permit node 10<\/li>\n<li data-pid=\"gMUGloUJ\">if-match acl 2000<\/li>\n<li data-pid=\"2943CVsM\">apply community no-advertise<\/li>\n<li data-pid=\"ssCyYiEN\">------------------------------------<\/li>\n<li data-pid=\"qONXMBLY\">peer 10.0.24.2 router-policy 100 export<\/li>\n<li data-pid=\"tNd2aZqx\">peer 10.0.24.2 advertise-community (\u5bf9\u7b49\u4f53\u53d1\u5e03\u65f6\u643a\u5e26\u56e2\u4f53\u5c5e\u6027\uff0c\u9ed8\u8ba4\u662f\u4e0d\u643a\u5e26\u7684\uff0c\u9700\u8981\u52a0\u4e0a\u8fd9\u6761\u547d\u4ee4\uff0c\u5728R2\u4e0adis bgp routing-table community\u53ef\u4ee5\u770b\u5230\u6b64\u5c5e\u6027\uff0c\u5728\u5176\u5b83\u8bbe\u5907\u4e0a\u67e5\u4e0d1.1.1.1\u8def\u7531)<\/li>\n<\/ul>\n<p data-pid=\"9WSw_2ht\"><b>4\uff09\u53ef\u9009\u975e\u8fc7\u6e21\u5c5e\u6027\uff1abgp\u4e0d\u8bc6\u522b\u6b64\u5c5e\u6027\u5ffd\u7565\u6389\u8be5\u5c5e\u6027\uff0c\u5e76\u4e0d\u4f1a\u901a\u544a\u7ed9\u5176\u4ed6\u5bf9\u7b49\u4f53<\/b><\/p>\n<ul>\n<li data-pid=\"nFO27Elo\">\u53ea\u5728\u540c\u4e00AS\u4e2d\u4f20\u9012<\/li>\n<li data-pid=\"l7cChJLu\">\u59cb\u53d1\u8def\u7531\u5728\u4f20\u5230EBGP\u65f6\uff0c\u643a\u5e26MED\u503c\u3002<\/li>\n<li data-pid=\"12hJUKCH\">\u4eceEBGP\u4f20\u5230\u4e0b\u4e00\u4e2aEBGP\u65f6\u4e0d\u643a\u5e26MED\u503c\uff0c<\/li>\n<li data-pid=\"0DfGf-gB\">IBGP\u4e4b\u524d\u4f20\u9012\u8def\u7531\u643a\u5e26MED\u503c\u3002<\/li>\n<li data-pid=\"euTSNIn1\">MED\u503c\u4e0d\u4f1a\u8de8AS\u4f20\u9012 \u53d1<\/li>\n<\/ul>\n<p data-pid=\"hGiFw5Ga\">\u7f3a\u7701\u53ea\u6bd4\u8f83\u6765\u81ea\u540c\u4e00\u76f8\u90bbAS\u7684BGP\u8def\u7531\u7684MED\u503c\uff0c\u5982\u679c\u53bb\u5f80\u540c\u4e00\u4e2a\u76ee\u7684\u5730\u7684\u4e24\u6761\u8def\u7531\u6765\u81ea\u4e0d\u540c\u7684\u76f8\u4fe1AS\uff0c\u5219\u4e0d\u8fdb\u884cMED\u503c\u7684\u6bd4\u8f83\u3002<\/p>\n<ul>\n<li data-pid=\"D4rWKHLg\">MED\uff08Multi-Exit Discriminator \u591a\u51fa\u53e3\u9274\u522b\u5668\uff09\uff1a\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u53ea\u6bd4\u8f83\u6765\u81ea\u76f8\u90bbAS\u7684BGP\u8def\u7531\u5668\u7684MED\u503c\uff0c\u8d8a\u5c0f\u8d8a\u4f18\u5148\uff08\u8ddf\u8def\u7531\u8868\u4e2d\u7684\u5ea6\u91cf\u503c\u76f8\u540c\uff09<\/li>\n<li data-pid=\"eqnaqyYK\">cluster_list<\/li>\n<li data-pid=\"GdazqvAV\">originator_id<\/li>\n<\/ul>\n<p data-pid=\"pva_DE1o\"><b>AS_Path\u9632\u6b62\u73af\u8def<\/b><\/p>\n<p data-pid=\"fA-MMWrP\">\u8def\u7531\u5728\u88ab\u901a\u544a\u7ed9EBGP\u5bf9\u7b49\u4f53\u65f6\uff0c\u8def\u7531\u5668\u4f1a\u5728\u8be5\u8def\u7531\u7684AS_Path\u4e2d\u8ffd\u52a0\u4e0a\u672c\u5730\u7684AS\u53f7\uff0c\u5b58\u5728\u81ea\u8eabAS\u53f7\uff0c\u4e0d\u63a5\u6536\u8be5\u8def\u7531\uff0c\u4ece\u800c\u9632\u6b62\u4e86\u8def\u7531\u73af\u8def\u7684\u4ea7\u751f\u3002<\/p>\n<p data-pid=\"L46mZ8qR\">\u8def\u7531\u88ab\u901a\u544a\u7ed9IBGP\u5bf9\u7b49\u4f53\u65f6\uff0cAS_Path\u4e0d\u4f1a\u53d1\u751f\u6539\u53d8<\/p>\n<p data-pid=\"fa4T3B1Q\"><b>\u4fee\u6539AS_Path<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30730\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-6\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-0e3ba4672dbb55b331663b9d10b63b95_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-6\" width=\"1335\" height=\"564\" \/><\/div>\n<\/figure>\n<p data-pid=\"gEs2TtV5\"><b>Origin<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30731\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-7\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-eab1af92d4841fa8aaa216f23dfc0939_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-7\" width=\"1063\" height=\"315\" \/><\/div>\n<\/figure>\n<p data-pid=\"DqlFI-MI\"><b>Atomic_Aggregate\u53caAggregator<\/b><\/p>\n<p data-pid=\"lTzwiueA\">Atomic_Aggregate\u5c5e\u4e8e\u516c\u8ba4\u4efb\u610f\u5c5e\u6027\uff0c\u800cAggregator\u5c5e\u6027\u5c5e\u4e8e\u53ef\u9009\u8fc7\u6e21\u5c5e\u6027\u3002<\/p>\n<h3 id=\"h_574615281_11\" data-into-catalog-status=\"\"><b>2.\u534e\u4e3a\u7279\u6709\u7684\u5c5e\u6027<\/b><\/h3>\n<p data-pid=\"Ej5PiNcR\">preferred-value\uff1a\u4ec5\u5728\u672c\u5730\u6709\u6548\uff0c\u8d8a\u5927\u8d8a\u4f18\u5148\uff0c\u53ea\u80fd\u5728\u8def\u7531\u5668\u672c\u5730\u914d\u7f6e\uff0c\u5e76\u4e14\u53ea\u5f71\u54cd\u672c\u8bbe\u5907\u7684\u8def\u7531\u4f18\u9009<\/p>\n<h3 id=\"h_574615281_12\" data-into-catalog-status=\"\">3.BGP\u53cd\u5c04\u5668<\/h3>\n<p data-pid=\"qsoQ67hp\">\uff081\uff09\u5b58\u5728\u54ea\u4e9b\u8def\u7531\u5668\u89d2\u8272<\/p>\n<p data-pid=\"DFaKeJNc\">RR\uff1a\u8def\u7531\u53cd\u5c04\u5668\uff08\u8fdb\u884c\u914d\u7f6e\uff09<\/p>\n<p data-pid=\"eyiMg-Ry\">client\uff1a\u5ba2\u6237\u7aef<\/p>\n<p data-pid=\"7-kuTImv\">\uff082\uff09\u53cd\u5c04\u89c4\u5219<\/p>\n<p data-pid=\"fZyPszfx\">a.\u5982\u679c\u8def\u7531\u53cd\u5c04\u5668\u4ece\u81ea\u5df1\u7684\u975e\u5ba2\u6237\u5bf9\u7b49\u4f53\u5b66\u4e60\u5230\u4e00\u6761IBGP\u8def\u7531\uff0c\u5219\u5b83\u4f1a\u5c06\u8be5\u8def\u7531\u53cd\u5c04\u7ed9\u6240\u6709\u5ba2\u6237<\/p>\n<p data-pid=\"ltCbx3Fv\">b.\u5982\u679c\u8def\u7531\u53cd\u5c04\u5668\u4ece\u81ea\u5df1\u7684\u5ba2\u6237\u5b66\u4e60\u5230\u4e00\u6761IBGP\u8def\u7531\uff0c\u5219\u5b83\u4f1a\u5c06\u8be5\u8def\u7531\u53cd\u5c04\u7ed9\u6240\u6709\u975e\u5ba2\u6237\uff0c\u4ee5\u53ca\u9664\u4e86\u8be5\u5ba2\u6237\u4e4b\u5916\u7684\u5176\u4ed6\u6240\u6709\u5ba2\u6237<\/p>\n<p data-pid=\"9zAFWXm8\">c.\u5982\u679c\u8def\u7531\u5b66\u4e60\u81eaEBGP\u5bf9\u7b49\u4f53\uff0c\u5219\u53d1\u9001\u7ed9\u6240\u6709\u5ba2\u6237\u3001\u975e\u5ba2\u6237IBGP\u5bf9\u7b49\u4f53<\/p>\n<p data-pid=\"veqz2_ho\">\uff083\uff09\u914d\u7f6e\u4e3e\u4f8b<\/p>\n<ul>\n<li data-pid=\"LihFyW7D\">AR1\u3001AR2\u3001AR3\u5efa\u7acbOSPF\uff0cAR2\u3001AR3\u7684G0\/0\/1\u7aef\u53e3\u4e0d\u542f\u7528OSPF<\/li>\n<li data-pid=\"6AUU3yCN\">AR3\u4e0eAR1\uff0cAR2\u4e0eAR1\u901a\u8fc7Loopback 0\u7aef\u53e3\u5efa\u7acbIBGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/li>\n<li data-pid=\"v1lRFHQ9\">AR1\u662fAR2\u548cAR3\u7684\u53cd\u5c04\u5668\uff0cAR2\u548cAR2\u662fAR3\u7684\u5ba2\u6237\u7aef<\/li>\n<li data-pid=\"aqXHHSgx\">AR2\u548cAR4\u901a\u8fc7\u76f4\u8fde\u7aef\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/li>\n<li data-pid=\"WM8iE2sV\">AR3\u548cAR5\u901a\u8fc7\u76f4\u8fde\u7aef\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/li>\n<li data-pid=\"CnjKVL8I\">AR4\u3001AR5\u7684Loopback 0 \u63a5\u53e3\u6a21\u62dfPC\u5f15\u5165\u5230EBGP\u4e2d\uff0c\u5b9e\u73b0\u4e24\u7aef\u53e3\u53ef\u4ee5\u4e92\u901a<\/li>\n<\/ul>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30732\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-8\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-880b28a788d087c924190439a107cc83_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-8\" width=\"663\" height=\"210\" \/><\/div>\n<\/figure>\n<p data-pid=\"vIUT5ujR\"><b>IP\u5730\u5740\u914d\u7f6e----\u7565<\/b><\/p>\n<p data-pid=\"oZEccZhu\"><b>AR1\u3001AR2\u3001AR3OSPF\u914d\u7f6e<\/b><\/p>\n<ul>\n<li data-pid=\"-lyX_Kn_\">[AR1]ospf 1 router-id 1.1.1.1<\/li>\n<li data-pid=\"Umqs87bw\">[AR1-ospf-1]area 0<\/li>\n<li data-pid=\"vf8p3Pvh\">[AR1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0<\/li>\n<li data-pid=\"8mcnyreN\">[AR1-ospf-1-area-0.0.0.0]network 10.0.12.1 0.0.0.0<\/li>\n<li data-pid=\"SkxwV0AG\">[AR1-ospf-1-area-0.0.0.0]network 10.0.13.1 0.0.0.0<\/li>\n<li data-pid=\"l8qmDWY2\">-----------------------------------------------------------<\/li>\n<li data-pid=\"_q4T3KC-\">[AR2]ospf 1 router-id 2.2.2.2<\/li>\n<li data-pid=\"YYAYS7qJ\">[AR2-ospf-1]area 0<\/li>\n<li data-pid=\"XknUVPFZ\">[AR2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0<\/li>\n<li data-pid=\"aP7LTUyh\">[AR2-ospf-1-area-0.0.0.0]network 10.0.12.2 0.0.0.0<\/li>\n<li data-pid=\"oNbrGPRg\">-----------------------------------------------------------<\/li>\n<li data-pid=\"WIKhOlrV\">[AR3]ospf 1 router-id 3.3.3.3<\/li>\n<li data-pid=\"kTwafnYA\">[AR3-ospf-1]area 0<\/li>\n<li data-pid=\"7S9Jvaxt\">[AR3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0<\/li>\n<li data-pid=\"vtwQaAbq\">[AR3-ospf-1-area-0.0.0.0]network 10.0.13.3 0.0.0.0<\/li>\n<\/ul>\n<p data-pid=\"CS1qW6gq\"><b>AR3\u4e0eAR1\uff0cAR2\u4e0eAR1\u5efa\u7acbIBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\uff0cAR1\u4e3aRR\uff0cAR3\u548cAR2\u4e3aAR1\u7684\u5ba2\u6237\u7aef<\/b><\/p>\n<ul>\n<li data-pid=\"ibCpIeB_\">[AR2]bgp 100<\/li>\n<li data-pid=\"MpR_QQ4x\">[AR2-bgp] router-id 2.2.2.2<\/li>\n<li data-pid=\"7uj_gfj0\">[AR2-bgp] peer 1.1.1.1 as-number 100<\/li>\n<li data-pid=\"RxUotLcD\">[AR2-bgp] peer 1.1.1.1 connect-interface LoopBack0<\/li>\n<li data-pid=\"MWoE7Orc\"><b>[AR2-bgp] peer 1.1.1.1 next-hop-local<\/b><\/li>\n<li data-pid=\"3i-k66cY\">-----------------------------------------------------------<\/li>\n<li data-pid=\"mUUpEjzR\">[AR3]bgp 100<\/li>\n<li data-pid=\"esPcTLOV\">[AR3-bgp] router-id 3.3.3.3<\/li>\n<li data-pid=\"cP_uoUBY\">[AR3-bgp] peer 1.1.1.1 as-number 100<\/li>\n<li data-pid=\"CyVxwrUF\">[AR3-bgp] peer 1.1.1.1 connect-interface LoopBack0<\/li>\n<li data-pid=\"7W-nM_oi\"><b>[AR3-bgp] peer 1.1.1.1 next-hop-local<\/b><\/li>\n<li data-pid=\"3a8ikKrx\">----------------------------------------------------------<\/li>\n<li data-pid=\"KJBymyd-\">[AR1]bgp 100<\/li>\n<li data-pid=\"_yI4DVn2\">[AR1-bgp] router-id 1.1.1.1<\/li>\n<li data-pid=\"0jdlWOM7\">[AR1-bgp] peer 2.2.2.2 as-number 100<\/li>\n<li data-pid=\"VPOqrjgP\">[AR1-bgp] peer 2.2.2.2 connect-interface LoopBack0<\/li>\n<li data-pid=\"XIfdzD59\">[AR1-bgp] peer 3.3.3.3 as-number 100<\/li>\n<li data-pid=\"10Os5RCr\">[AR1-bgp] peer 3.3.3.3 connect-interface LoopBack0<\/li>\n<li data-pid=\"XKEKJd-d\">[AR1-bgp] ipv4-family unicast<\/li>\n<li data-pid=\"lrIkVKod\"><b>[AR1-bgp-af-ipv4] peer 2.2.2.2 reflect-client<\/b><\/li>\n<li data-pid=\"WHhqfujw\"><b>[AR1-bgp-af-ipv4] peer 3.3.3.3 reflect-client<\/b><\/li>\n<\/ul>\n<p data-pid=\"_Mvn0zsI\"><b>\u5728AR1\u4e0a\u67e5\u770bBGP\u90bb\u5c45\u72b6\u6001\uff0cAR1\u5df2\u7ecf\u4e0eAR2\u548cAR3\u5efa\u7acb\u5bf9\u7b49\u4f53\u5173\u7cfb\uff08\u72b6\u6001\u4e3aEstablished\uff09<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30733\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-9\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-410d5da6c61dfc2a09d67666ab09eab7_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-9\" width=\"740\" height=\"217\" \/><\/div>\n<\/figure>\n<p data-pid=\"U8sY7WaV\"><b>AR2\u548cAR4\u901a\u8fc7\u76f4\u8fde\u7aef\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/b><\/p>\n<ul>\n<li data-pid=\"Bsykf6Td\">[AR2]bgp 100<\/li>\n<li data-pid=\"wn3j8I_l\">[AR2-bgp] peer 10.0.24.4 as-number 400<\/li>\n<li data-pid=\"eH3K0PMg\">----------------------------------------------<\/li>\n<li data-pid=\"vOwrAfdd\">[AR4]bgp 400<\/li>\n<li data-pid=\"4Oiv3EYp\">[AR4-bgp] peer 10.0.24.2 as-number 100<\/li>\n<\/ul>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30734\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-10\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-e621bf77d6d49352dcd0c6438b8f751f_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-10\" width=\"736\" height=\"185\" \/><\/div>\n<\/figure>\n<p data-pid=\"Wj815Vk1\"><b>AR3\u548cAR5\u901a\u8fc7\u76f4\u8fde\u7aef\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/b><\/p>\n<ul>\n<li data-pid=\"vaQ6KzDE\">[AR3]bgp 100<\/li>\n<li data-pid=\"lzBDOUVN\">[AR3-bgp] peer 10.0.35.5 as-number 400<\/li>\n<li data-pid=\"Ur4X8xvb\">----------------------------------------------<\/li>\n<li data-pid=\"g0-qGi-h\">[AR5]bgp 500<\/li>\n<li data-pid=\"e-BJoh2c\">[AR5-bgp] peer 10.0.35.3 as-number 100<\/li>\n<\/ul>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30735\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-11\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-2c3826c0c4ac6e4a11f010d73351945d_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-11\" width=\"733\" height=\"185\" \/><\/div>\n<\/figure>\n<p data-pid=\"CV6IT5JP\"><b>AR4\u3001AR5\u7684Loopback 0 \u63a5\u53e3\u6a21\u62dfPC\u5f15\u5165\u5230EBGP\u4e2d\uff0c\u5b9e\u73b0\u4e24\u7aef\u53e3\u53ef\u4ee5\u4e92\u901a<\/b><\/p>\n<ul>\n<li data-pid=\"_dv33mVg\">[AR4] bgp 400<\/li>\n<li data-pid=\"abcPB2ox\">[AR4] network 4.4.4.4 255.255.255.255<\/li>\n<li data-pid=\"3WwS6zq5\">-------------------------------------------<\/li>\n<li data-pid=\"MS5Wissg\">[AR5] bgp 500<\/li>\n<li data-pid=\"KFQQDOJn\">[AR5] network 5.5.5.5 255.255.255.255<\/li>\n<\/ul>\n<p data-pid=\"9QqLrODn\"><b>\u67e5\u770bBGP\u8def\u7531\u5668\u4fe1\u606f<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30736\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-12\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-7809461b7ac97cdb5db19bf757263ddd_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-12\" width=\"715\" height=\"221\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30737\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-13\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-85ddfd1878288ac9846698593a9ff14e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-13\" width=\"706\" height=\"227\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30739\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-14\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-3f866b2d2238becb9598d3a8b77b9a39_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-14\" width=\"715\" height=\"225\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30738\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-15\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-d92df1b5c248c5f003569ad45f53b3ff_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-15\" width=\"728\" height=\"226\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30740\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-16\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-44839552838100e9111ca38c67fd8af1_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-16\" width=\"716\" height=\"226\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30741\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-17\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-e29ac718e0dfb5accbbd1b01d190173d_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-17\" width=\"578\" height=\"220\" \/><\/div>\n<\/figure>\n<h2 id=\"h_574615281_13\" data-into-catalog-status=\"\">\u516b\u3001BGP\u8def\u7531\u4f18\u9009<\/h2>\n<p data-pid=\"7-fGh2wF\">\u5f53\u5230\u8fbe\u540c\u4e00\u4e2a\u76ee\u7684\u7f51\u6bb5\u5b58\u5728\u591a\u6761\u8def\u7531\u65f6\uff0cBGP\u901a\u8fc7\u5982\u4e0b\u7684\u6b21\u5e8f\u8fdb\u884c\u8def\u7531\u4f18\u9009\uff1a<\/p>\n<p data-pid=\"DGWi0rWb\">\u4e22\u5f03\u4e0b\u4e00\u8df3\u4e0d\u53ef\u8fbe\u7684\u8def\u7531\u3002<\/p>\n<p data-pid=\"I8oh3x40\">\uff081\uff09\u4f18\u9009Preferred-Value\u5c5e\u6027\u503c\u6700\u5927\u7684\u8def\u7531\u3002<\/p>\n<p data-pid=\"Bvjy0EIa\">\uff082\uff09\u4f18\u9009Local_Preference\u5c5e\u6027\u503c\u6700\u5927\u7684\u8def\u7531\u3002<\/p>\n<p data-pid=\"Wm5dCZuZ\">\uff083\uff09\u672c\u5730\u59cb\u53d1\u7684BGP\u8def\u7531\u4f18\u4e8e\u4ece\u5176\u4ed6\u5bf9\u7b49\u4f53\u5b66\u4e60\u5230\u7684\u8def\u7531\uff0c\u672c\u5730\u59cb\u53d1\u7684\u8def\u7531\u4f18\u5148\u7ea7\uff1a\u4f18\u9009\u624b\u52a8\u805a\u5408&gt;\u81ea\u52a8\u805a\u5408&gt;network&gt;import&gt;\u4ece\u5bf9\u7b49\u4f53\u5b66\u5230\u7684\u3002<\/p>\n<p data-pid=\"fJsHqJMI\">\uff084\uff09\u4f18\u9009AS_Path\u5c5e\u6027\u503c\u6700\u77ed\u7684\u8def\u7531\u3002\uff08AS\u7684\u4e2a\u6570\u800c\u4e0d\u662fAS\u7684\u5927\u5c0f\uff09<\/p>\n<p data-pid=\"soXGxVjH\">\uff085\uff09\u4f18\u9009Origin\u5c5e\u6027\u6700\u4f18\u7684\u8def\u7531\u3002Origin\u5c5e\u6027\u503c\u6309\u4f18\u5148\u7ea7\u4ece\u9ad8\u5230\u4f4e\u7684\u6392\u5217\u662f\uff1aIGP\uff08network\u65b9\u5f0f\u5b66\u4e60\u5230\u7684\uff09\u3001EGP\uff08\u901a\u8fc7EGP\u7684\u5f62\u5f0f\u5b66\u4e60\u5230\uff09\u53caIncomplete\uff08import-route\uff09\u3002<\/p>\n<p data-pid=\"FgY_h7tK\">\uff086\uff09\u4f18\u9009MED\u5c5e\u6027\u503c\u6700\u5c0f\u7684\u8def\u7531\u3002<\/p>\n<p data-pid=\"KGQ8HcSI\">\uff087\uff09\u4f18\u9009\u4eceEBGP\u5bf9\u7b49\u4f53\u5b66\u6765\u7684\u8def\u7531\uff08EBGP\u8def\u7531\u4f18\u5148\u7ea7\u9ad8\u4e8eIBGP\u8def\u7531\uff09\u3002<\/p>\n<p data-pid=\"for-EDCY\">\uff088\uff09\u4f18\u9009\u5230Next_Hop\u7684IGP\u5ea6\u91cf\u503c\u6700\u5c0f\u7684\u8def\u7531\u3002<\/p>\n<p data-pid=\"FviKHLw0\"><b>\u524d\u516b\u6761\u539f\u5219\u5982\u679c\u8fd8\u672a\u9009\u4e3e\u51fa\u6700\u4f18\u8def\u7531\uff0c\u5219\u53ef\u4ee5\u914d\u7f6e\u8d1f\u8f7d\u5206\u62c5<\/b><\/p>\n<p data-pid=\"Q4njjkjR\">\uff089\uff09\u4f18\u9009Cluster_List\u6700\u77ed\u7684\u8def\u7531\u3002<\/p>\n<p data-pid=\"M7WNxktx\">\uff0810\uff09\u4f18\u9009Router ID\uff08Orginator_ID\uff09\u6700\u5c0f\u7684\u8bbe\u5907\u901a\u544a\u7684\u8def\u7531\u3002(Orginator_ID\u4f18\u4e8eROUTER id)<\/p>\n<p data-pid=\"_Wahn1cx\">\uff0811\uff09\u4f18\u9009\u5177\u6709\u6700\u5c0fIP\u5730\u5740\u7684\u5bf9\u7b49\u4f53\u901a\u544a\u7684\u8def\u7531<\/p>\n<h2 id=\"h_574615281_14\" data-into-catalog-status=\"\">\u4e5d\u3001\u57fa\u7840\u5b9e\u9a8c\u4e00<\/h2>\n<h3 id=\"h_574615281_15\" data-into-catalog-status=\"\">\u62d3\u6251\u56fe<\/h3>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30743\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-18\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-f4640fafeb92bde944a1e8efaa071552_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-18\" width=\"799\" height=\"328\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_16\" data-into-catalog-status=\"\">1\u3001\u8bbe\u5907\u914d\u7f6eIP\u5730<\/h3>\n<p data-pid=\"Cl9O4oid\">\u7565\u3002\u3002\u3002\u3002\u3002\u3002\u3002<\/p>\n<h3 id=\"h_574615281_17\" data-into-catalog-status=\"\">2\u3001\u914d\u7f6eOSPF<\/h3>\n<p data-pid=\"JfA1G-PJ\">AR2\u3001AR3\u3001AR4\u914d\u7f6eOSPF\uff0cArea0\uff0cAR2\u7684GE0\/0\/0\u63a5\u53e3\u548cAR4\u7684GE0\/0\/1\u53e3\u4e0d\u53c2\u4e0eOSPF<\/p>\n<p data-pid=\"ki0XwBCZ\">AR2\u914d\u7f6e<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30742\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-19\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-cad3961c5d28f7e4641371661699a3ff_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-19\" width=\"228\" height=\"89\" \/><\/div>\n<\/figure>\n<p data-pid=\"9-uBKaXx\">AR3\u914d\u7f6e<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30744\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-20\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b141716ce9ed3da664f7de09f7e5c1be_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-20\" width=\"224\" height=\"114\" \/><\/div>\n<\/figure>\n<p data-pid=\"SLmPyjyO\">AR4\u914d\u7f6e<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30745\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-21\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b7b7aeaa038c0f91ae44e8f488e0df6a_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-21\" width=\"223\" height=\"97\" \/><\/div>\n<\/figure>\n<p data-pid=\"Xz_rib2h\">\u67e5\u770bOSPF\u5404\u81ea\u90bb\u5c45\u4fe1\u606f<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30746\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-22\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-d79e5a202ba98ba5ae69252defc6a8f7_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-22\" width=\"640\" height=\"131\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30747\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-23\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-7ce9d1a8bb66da24675a97f228241711_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-23\" width=\"647\" height=\"147\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-7ce9d1a8bb66da24675a97f228241711_1440w.webp.jpg 647w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-7ce9d1a8bb66da24675a97f228241711_1440w.webp-300x68.jpg 300w\" sizes=\"auto, (max-width: 647px) 100vw, 647px\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30748\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-24\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-c8524b204a29699bb3d63b388af2868d_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-24\" width=\"641\" height=\"130\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-c8524b204a29699bb3d63b388af2868d_1440w.webp.jpg 641w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-c8524b204a29699bb3d63b388af2868d_1440w.webp-300x61.jpg 300w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_18\" data-into-catalog-status=\"\">3\u3001AS100\u914d\u7f6eIBGP\u90bb\u5c45\u5173\u7cfb<\/h3>\n<p data-pid=\"6aGJPj8I\">AR2\u548cAR4\u7684LoopBack0\u63a5\u53e3\u5efa\u7acbIBGP\u90bb\u5c45\u5173\u7cfb<\/p>\n<p data-pid=\"4DIoXWDs\">AR2\u914d\u7f6e<\/p>\n<ul>\n<li data-pid=\"_0t3KJxF\">[AR2]bgp 100<\/li>\n<li data-pid=\"P66cqCYj\">[AR2-bgp]peer 10.4.4.4 as-number 100<\/li>\n<li data-pid=\"GRZC5OWo\">[AR2-bgp]peer 10.4.4.4 connect-interface LoopBack 0<\/li>\n<\/ul>\n<p data-pid=\"qIKeCBYX\">AR4\u914d\u7f6e<\/p>\n<ul>\n<li data-pid=\"zsF9hquG\">[AR4]bgp 100<\/li>\n<li data-pid=\"pxWnv9vj\">[AR4-bgp]peer 10.2.2.2 as-number 100<\/li>\n<li data-pid=\"YNUqzPQq\">[AR4-bgp]peer 10.2.2.2 connect-interface LoopBack 0<\/li>\n<\/ul>\n<p data-pid=\"W9ev6W8Z\">\u67e5\u770bAR2\u548cAR4\u5404\u81ea\u90bb\u5c45\u72b6\u6001<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30749\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-25\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-51aa26e876ce263fe34f1f6daf7f3af6_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-25\" width=\"663\" height=\"179\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30751\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-26\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-266464837852fd985a66e183a7bfd7aa_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-26\" width=\"651\" height=\"177\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_19\" data-into-catalog-status=\"\">4\u3001AS200\u914d\u7f6eEBGP\u90bb\u5c45\u5173\u7cfb\uff0c\u5ba3\u544aLoopBack0\u63a5\u53e3\u8def\u7531<\/h3>\n<p data-pid=\"lXMaEqBo\">AR1\u914d\u7f6e<\/p>\n<ul>\n<li data-pid=\"YWmWXDgM\">[AR1]bgp 200<\/li>\n<li data-pid=\"ogggA-GX\">[AR1-bgp]peer 10.1.1.2 as-number 100 \\\\\u90bb\u5c45\u7684IP\u5730\u5740\u548cAS\u53f7<\/li>\n<li data-pid=\"dtHCvWdT\">[AR1-bgp]network 10.11.1.1 32 \\\\\u5ba3\u544aLoopBack0\u63a5\u53e3\u8def\u7531<\/li>\n<\/ul>\n<p data-pid=\"RhOqt442\">\u67e5\u770b\u90bb\u5c45AR2\u7684BGP\u8def\u7531\u8868\uff0c\u53ef\u4ee5\u770b\u5230\u53bb\u5f8010.11.1.1.1\u7684\u4e0b\u4e00\u8df3\u662f10.1.1.1<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30750\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-27\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-f85f5d49b1be0196efd289bf716c6770_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-27\" width=\"642\" height=\"197\" \/><\/div>\n<\/figure>\n<p data-pid=\"ObkZy-42\">AR2\u914d\u7f6e<\/p>\n<ul>\n<li data-pid=\"5GRQQWot\">[AR2]bgp 100<\/li>\n<li data-pid=\"6YtPsx8S\">[AR2-bgp]peer 10.1.1.1 as-number 200 \\\\\u90bb\u5c45\u7684IP\u5730\u5740\u548cAS\u53f7<\/li>\n<\/ul>\n<p data-pid=\"W2s8RBiJ\">\u67e5\u770bBGP\u90bb\u5c45\u8868<\/p>\n<p data-pid=\"Wnn5nSHn\">\u53ef\u4ee5\u770b\u5230fRcv\u7684\u503c\u4e3a1\uff0c\u4ee3\u8868\u5df2\u7ecf\u67091\u6761\u8def\u7531\u4fe1\u606f<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30752\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-28\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-707aeffe60a097964a4e61711300497e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-28\" width=\"667\" height=\"181\" \/><\/div>\n<\/figure>\n<p data-pid=\"pszgHTh7\">\u53ef\u4ee5\u770b\u5230AR2\u4e2d\u5df2\u7ecf\u6709\u4e00\u6761\u8def\u7531<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30754\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-29\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-6c8abb5e0d78a09e33eec419fd3b728e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-29\" width=\"677\" height=\"207\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-6c8abb5e0d78a09e33eec419fd3b728e_1440w.webp.jpg 677w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-6c8abb5e0d78a09e33eec419fd3b728e_1440w.webp-300x92.jpg 300w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_20\" data-into-catalog-status=\"\">5\u3001\u89c2\u5bdf\u90bb\u5c45\u548c\u62a5\u6587\u7ed3\u6784<\/h3>\n<p data-pid=\"d5y3_oq-\">\u5728AR1 GE0\/0\/0\u63a5\u53e3\u6293\u5305<\/p>\n<p data-pid=\"L_9Fwho0\">\u4e24\u7aef\u540c\u65f6\u53d1\u8d77TCP\u8fde\u63a5\uff0c\u5f53\u53d1\u9001OPEN\u62a5\u6587\u65f6\u4f1a\u6bd4router-ID \uff0c\u5c0f\u7684Router-ID\u4f18\u5148\uff0c\u6240\u4ee5AR2\u62c6\u51fa\u4e00TCP\u8fde\u63a5 \uff08FIN,ACK\uff09\uff0c\u5728\u7531AR1\u53d1\u8d77TCP\u8fde\u63a5\u3002<\/p>\n<ul>\n<li data-pid=\"iGzB66qg\">AR1 GE0\/0\/1\u5411AR2 GE0\/0\/1\u53d1\u8d77\u7b2c\u4e00\u4e2aBGP\u62a5\u6587\uff0810.1.1.1 \u968f\u673a\u7aef\u53e3&gt;&gt;&gt;10.1.1.2 179\u7aef\u53e3\u7b2c1\u4e2aBGP\u62a5\u6587\uff09<\/li>\n<li data-pid=\"BfgbYsLS\">\u5f00\u59cb\u5efa\u7acbTCP\u8fde\u63a5<\/li>\n<li data-pid=\"q7VuwLMb\">TCP\u8fde\u63a5\u6210\u529f\u540e\uff0c\u53d1\u9001\u7b2c\u4e00\u4e2aOpen\u62a5\u6587<\/li>\n<li data-pid=\"a5v9SbQm\">\u8fdb\u884cOpen\u62a5\u6587\u4ea4\u4e92<\/li>\n<li data-pid=\"39p2F7JF\">\u5728\u8fdb\u884cKeepalive\u62a5\u6587\u4ea4\u4e92\uff0c\u7ef4\u6301\u90bb\u5c45\u5173\u7cfb\uff081\u5206\u949f\u53d1\u90011\u6b21\uff09\u3002<\/li>\n<li data-pid=\"ApbGYlXD\">Update\u66f4\u65b0\u62a5\u6587<\/li>\n<\/ul>\n<p data-pid=\"9KW5hpgg\">FIN,ACK\u62c6\u9664\u91cd\u65b0\u5efa\u7acb<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30753\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-30\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-a3bf47ebd1fc442f0ede53aaac3c15be_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-30\" width=\"1210\" height=\"567\" \/><\/div>\n<\/figure>\n<p data-pid=\"SGc7dulB\">\u5176\u5b83\u547d\u4ee4<\/p>\n<p data-pid=\"NWmm-P3O\">AR2refressh bgp 10.1.2.1 import<\/p>\n<h2 id=\"h_574615281_21\" data-into-catalog-status=\"\">\u5341\u3001\u57fa\u7840\u5b9e\u9a8c\u4e8c<\/h2>\n<h3 id=\"h_574615281_22\" data-into-catalog-status=\"\">8.1\u5b66\u4e60\u76ee\u6807<\/h3>\n<ul>\n<li data-pid=\"t4--MfbN\">\u5b9e\u73b0IBGP\u7684\u914d\u7f6e<\/li>\n<li data-pid=\"6KQoWlt6\">\u5b9e\u73b0EBGP\u7684\u914d\u7f6e<\/li>\n<li data-pid=\"rJJx_wUQ\">\u89c2\u5bdfBGP\u7684\u90bb\u5c45\u8868<\/li>\n<li data-pid=\"79Zp3K0X\">\u5b9e\u73b0BGP\u66f4\u65b0\u6e90\u7684\u914d\u7f6e<\/li>\n<li data-pid=\"zc0wcLrT\">\u5b9e\u73b0EBGP\u591a\u8df3\u7684\u914d\u7f6e<\/li>\n<li data-pid=\"4At5bqUk\">\u89c2\u5bdfIBGP\u548cEBGP\u4e2d\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u7684\u53d8\u5316<\/li>\n<\/ul>\n<h3 id=\"h_574615281_23\" data-into-catalog-status=\"\">8.2\u5b9e\u9a8c\u7ec4\u7f51\u4ecb\u7ecd<\/h3>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30755\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-31\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b421290e6036fdafa672efea66331562_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-31\" width=\"647\" height=\"334\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_24\" data-into-catalog-status=\"\">8.3\u5b9e\u9a8c\u80cc\u666f<\/h3>\n<p data-pid=\"FNa7_tFd\">\u516c\u53f8\u7684\u7f51\u7edc\u91c7\u7528\u4e86BGP\u534f\u8bae\u4f5c\u4e3a\u8def\u7531\u534f\u8bae\u3002\u516c\u53f8\u7684\u7f51\u7edc\u7531\u591a\u4e2a\u81ea\u6cbb\u7cfb\u7edf\u7ec4\u6210\uff0c\u4e0d\u540c\u7684\u5206\u652f\u673a\u6784\u4f7f\u7528\u4e86\u4e0d\u540c\u7684AS\u53f7\uff0c\u73b0\u5728\u4f60\u9700\u8981\u5b8c\u6210\u516c\u53f8\u7f51\u7edc\u7684\u642d\u5efa\u5de5\u4f5c\u3002\u5728\u516c\u53f8\u603b\u90e8\u4f7f\u7528\u4e86OSPF\u4f5c\u4e3aIGP\uff0c\u516c\u53f8\u5185\u90e8\u4e0d\u540c\u5206\u652f\u673a\u6784\u4f7f\u7528\u7684\u662f\u79c1\u6709\u7684BGP AS\u53f7\u3002\u5728\u5b8c\u6210\u7f51\u7edc\u642d\u5efa\u4ee5\u540e\uff0c\u4f60\u8fd8\u9700\u8981\u89c2\u5bdfBGP\u8def\u7531\u4fe1\u606f\u7684\u4f20\u9012\u3002<\/p>\n<h3 id=\"h_574615281_25\" data-into-catalog-status=\"\">8.4\u4efb\u52a1\u601d\u8def<\/h3>\n<ol>\n<li data-pid=\"VyC3HG4j\">\u8bbe\u5907IP\u5730\u5740\u914d\u7f6e\u3002<\/li>\n<li data-pid=\"bs5Io6L0\">\u914d\u7f6eAS 64512\u5185\u7684OSPF\u3002<\/li>\n<li data-pid=\"NIJZZkUu\">\u914d\u7f6eAS 64512\u5185\u7684\u5168\u4e92\u8054IBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/li>\n<li data-pid=\"u5tV-bm0\">\u914d\u7f6eAS 64512\u3001AS 64513\u3001AS 64514\u4e4b\u95f4\u7684EBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/li>\n<li data-pid=\"8c1Cf_o4\">\u5728R1\u3001R5\u4e0a\u5c06Loopback1\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\uff0c\u5728R2\u3001R4\u4e0a\u4fee\u6539BGP\u4e0b\u4e00\u8df3\u5730\u5740\u3002<\/li>\n<\/ol>\n<h3 id=\"h_574615281_26\" data-into-catalog-status=\"\">8.5\u4efb\u52a1\u6b65\u9aa4<\/h3>\n<h3 id=\"h_574615281_27\" data-into-catalog-status=\"\">8.5.1 \u6b65\u9aa4 1 \u4e92\u8054\u63a5\u53e3\u3001\u73af\u56de\u53e3IP\u5730\u5740\u914d\u7f6e<\/h3>\n<p data-pid=\"IVrKlqWj\"><b>8.5.1.1 \u8bbe\u5907\u547d\u540d<\/b><\/p>\n<p data-pid=\"lAQR68Y2\">\u7565<\/p>\n<p data-pid=\"wRM1rC7S\"><b>8.5.1.2 \u5173\u95ed\u672c\u5b9e\u9a8c\u4e2d\u672a\u4f7f\u7528\u7684\u63a5\u53e3<\/b><\/p>\n<p data-pid=\"gWwz-isR\">\u7565<\/p>\n<p data-pid=\"2DiLY3Gx\"><b>8.5.1.3\u914d\u7f6eAR1\u7684GE0\/0\/0\u3001Loopback0\u3001Loopback1\u63a5\u53e3IP\u5730\u5740<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30756\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-32\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-899170bdac87c29455fa31ccae5d21a6_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-32\" width=\"644\" height=\"254\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-899170bdac87c29455fa31ccae5d21a6_1440w.webp.jpg 644w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-899170bdac87c29455fa31ccae5d21a6_1440w.webp-300x118.jpg 300w\" sizes=\"auto, (max-width: 644px) 100vw, 644px\" \/><\/div>\n<\/figure>\n<p data-pid=\"kJuGSDeJ\"><b>8.5.1.4 \u914d\u7f6eAR2\u7684GE0\/0\/0\u3001GE0\/0\/1\u3001Loopback0\u63a5\u53e3IP\u5730\u5740<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30757\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-33\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-24a30a090918c8a1feb952991f522366_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-33\" width=\"652\" height=\"228\" \/><\/div>\n<\/figure>\n<p data-pid=\"xXOASzjT\"><b>8.5.1.5 \u914d\u7f6eAR3\u7684GE0\/0\/1\u3001GE0\/0\/2\u3001Loopback0\u63a5\u53e3IP<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30758\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-34\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-3d94a0a718bbad9c6b903f68ea8d8bf3_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-34\" width=\"647\" height=\"221\" \/><\/div>\n<\/figure>\n<p data-pid=\"EdSQ-qT5\"><b>8.5.1.6 \u914d\u7f6eAR4\u7684GE0\/0\/1\u3001GE0\/0\/0\u3001Loopback0\u63a5\u53e3IP<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30759\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-35\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-0033206d06f10131b3df1efc7d832893_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-35\" width=\"644\" height=\"229\" \/><\/div>\n<\/figure>\n<p data-pid=\"sVWah_IX\"><b>8.5.1.7 \u914d\u7f6eAR5\u7684GE0\/0\/0\u3001Loopback0\u3001Loopback1\u63a5\u53e3IP<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30760\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-36\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-0cf201e39219c455a1ff6ac29f66f4a3_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-36\" width=\"643\" height=\"256\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_28\" data-into-catalog-status=\"\">8.5.2 \u6b65\u9aa42 \u914d\u7f6eAS64512\u7684OSPF<\/h3>\n<p data-pid=\"Qa1rg4VL\"><b>8.5.2.1 AR2\u914d\u7f6e\uff0cLoopback0\u3001GE0\/0\/1\u63a5\u53e3\u4e0a\u6fc0\u6d3bOSPF<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30762\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-37\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-9c520cf0abba8817d489b5dccfbda64d_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-37\" width=\"643\" height=\"102\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-9c520cf0abba8817d489b5dccfbda64d_1440w.webp.jpg 643w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-9c520cf0abba8817d489b5dccfbda64d_1440w.webp-300x48.jpg 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30761\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-38\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-4aae24f935783f72222f6dd7d8fe3b71_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-38\" width=\"649\" height=\"130\" \/><\/div>\n<\/figure>\n<p data-pid=\"a9Cug8ew\"><b>8.5.2.2 AR3\u914d\u7f6e\uff0cLoopback0\u3001GE0\/0\/1\u3001GE0\/0\/2\u63a5\u53e3\u4e0a\u6fc0\u6d3bOSPF<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30763\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-39\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-efc0036b72c3dc9b8c063641da971fc8_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-39\" width=\"646\" height=\"113\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30764\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-40\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-fb29ea1a7b10c9129371426904425f5b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-40\" width=\"640\" height=\"148\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-fb29ea1a7b10c9129371426904425f5b_1440w.webp.jpg 640w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-fb29ea1a7b10c9129371426904425f5b_1440w.webp-300x69.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/div><figcaption>AR3\u4e0eAR2\u3001AR4\u4e4b\u95f4\u5df2\u7ecf\u5efa\u7acb\u4e0e\u4e86\u90bb\u63a5\u5173\u7cfb<\/figcaption><\/figure>\n<p data-pid=\"losSi2M6\"><b>8.5.2.3 AR4\u914d\u7f6e\uff0cLookback0\u3001GE0\/0\/2\u63a5\u53e3\u4e0a\u6fc0\u6d3bOSPF<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30765\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-41\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-0a2e830c29ceba07d0bee65e009b97cc_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-41\" width=\"643\" height=\"101\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-0a2e830c29ceba07d0bee65e009b97cc_1440w.webp.jpg 643w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-0a2e830c29ceba07d0bee65e009b97cc_1440w.webp-300x47.jpg 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30766\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-42\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-f1bd420228290df1620bab19a8bbbb9e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-42\" width=\"643\" height=\"129\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-f1bd420228290df1620bab19a8bbbb9e_1440w.webp.jpg 643w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-f1bd420228290df1620bab19a8bbbb9e_1440w.webp-300x60.jpg 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/div>\n<\/figure>\n<p data-pid=\"nVV0cgfE\"><b>8.5.2.4 \u5728AR3\u4e0a\u5bdf\u770bOSPF\u8def\u7531\u8868<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30769\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-43\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-03a08798ab1528340512544e17055bd2_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-43\" width=\"650\" height=\"256\" \/><\/div><figcaption>AR3\u5df2\u7ecf\u5b66\u4e60\u5230AR2\u3001AR4\u7684\u63a5\u53e3\u8def\u7531<\/figcaption><\/figure>\n<h3 id=\"h_574615281_29\" data-into-catalog-status=\"\">8.5.3 \u6b65\u9aa43 \u914d\u7f6eIBGP\u5bf9\u7b49\u4f53<\/h3>\n<p data-pid=\"WiQ5nbab\"><b>8.5.3.1 \u5728AR2\u3001AR3\u3001AR4\u4e4b\u95f4\u57fa\u4e8eLoopback0\u63a5\u53e3\u5efa\u7acb\u4e92\u8054\u7684IBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30767\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-44\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-d6c86e023279f011f8bf24ed6fb4bb0b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-44\" width=\"422\" height=\"412\" \/><\/div>\n<\/figure>\n<p data-pid=\"vaPFbnQ4\"><b>8.5.3.2 \u5206\u522b\u5728AR2\u3001AR3\u3001AR4\u4e0a\u67e5\u770bBGP\u5bf9\u7b49\u4f53\u72b6\u6001<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30768\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-45\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-0ef3c4373623344b4a0826b4e18cdca0_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-45\" width=\"633\" height=\"763\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_30\" data-into-catalog-status=\"\">8.5.4 \u6b65\u9aa4 4 \u914d\u7f6eEBGP\u5bf9\u7b49\u4f53<\/h3>\n<p data-pid=\"guFvULd7\">\u5728R1\u4e0eR2\u3001R4\u4e0eR5\u4e4b\u95f4\u57fa\u4e8eLoopback0\u63a5\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\uff0c\u4e3a\u4fdd\u8bc1\u80fd\u591f\u6b63\u5e38\u5efa\u7acb\uff0c\u5728R1\u3001R2\u4e0a\u914d\u7f6e\u9759\u6001\u8def\u7531\u4f7fLoopback0\u4e4b\u95f4\u8def\u7531\u53ef\u8fbe\uff08R4\u3001R5\u540c\u6837\u64cd\u4f5c\uff09\u3002<\/p>\n<p data-pid=\"tD12QODY\"><b>8.5.4.1 \u5728AR1\u3001AR2\u4e0a\u914d\u7f6e\u9759\u6001\u8def\u7531<\/b><\/p>\n<p data-pid=\"IgcQkMHH\">[AR1]ip route-static 10.0.2.2 32 10.0.12.2<\/p>\n<p data-pid=\"MU8QCA8J\">AR2]ip route-static 10.0.1.1 32 10.0.12.1<\/p>\n<p data-pid=\"-5-3tOZL\"><b>8.5.4.2 \u5728AR4\u3001AR5\u4e0a\u914d\u7f6e\u9759\u6001\u8def\u7531<\/b><\/p>\n<p data-pid=\"tWOze8bh\">[AR4]ip route-static 10.0.5.5 32 10.0.24.5<\/p>\n<p data-pid=\"sU8o3Q2h\">[AR5]ip route-static 10.0.4.4 32 10.0.24.4<\/p>\n<p data-pid=\"a_OwhsOu\"><b>8.5.4.3 \u67e5\u770b\u73af\u56de\u53e3\u4e4b\u95f4\u7684\u8fde\u901a\u6027<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30771\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-46\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-16495ae1627c008dec7eeeb72671f901_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-46\" width=\"647\" height=\"159\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30772\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-47\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-64539c077d2934e7be5ba4379528028b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-47\" width=\"650\" height=\"155\" \/><\/div>\n<\/figure>\n<p data-pid=\"AlM5e4BT\"><b>8.5.4.4 \u914d\u7f6eR1\u3001R2\u4e4b\u95f4\u7684EBGP\u5bf9\u7b49\u4f53<\/b><\/p>\n<p data-pid=\"RZB45fgF\">\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cEBGP\u8fde\u63a5\u5141\u8bb8\u7684\u6700\u5927\u8df3\u6570\u4e3a1\uff0c\u8fd9\u5bfc\u81f4EBGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u53ea\u80fd\u4f7f\u7528\u76f4\u8fde\u94fe\u8def\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\uff0c\u4e3a\u4f7f\u7528\u73af\u56de\u53e3\u4f5c\u4e3a\u66f4\u65b0\u6e90\u9700\u8981\u624b\u52a8\u4fee\u6539EBGP\u8fde\u63a5\u5141\u8bb8\u7684\u6700\u5927\u8df3\u6570\u3002<\/p>\n<ul>\n<li data-pid=\"sP5GPzNu\">[AR1]bgp 64513<\/li>\n<li data-pid=\"mIo3MeiZ\">[AR1-bgp]router-id 10.0.1.1<\/li>\n<li data-pid=\"tJUZjqoj\">[AR1-bgp]peer 10.0.2.2 as-number 64512<\/li>\n<li data-pid=\"Jz24E-A7\">[AR1-bgp]peer 10.0.2.2 ebgp-max-hop 2<\/li>\n<li data-pid=\"-NJxPMfW\">[AR1-bgp]peer 10.0.2.2 connect-interface LoopBack 0<\/li>\n<\/ul>\n<ul>\n<li data-pid=\"yjA2M2x0\">[AR2]bgp 64512<\/li>\n<li data-pid=\"v6LzJSrg\">[AR2-bgp]router-id 10.0.1.1<\/li>\n<li data-pid=\"2qOCh3Ma\">[AR2-bgp]peer 10.0.1.1 as-number 64513<\/li>\n<li data-pid=\"CMbOIs5g\">[AR2-bgp]peer 10.0.1.1 ebgp-max-hop 2<\/li>\n<li data-pid=\"AKprbozv\">[AR2-bgp]peer 10.0.1.1 connect-interface LoopBack 0<\/li>\n<\/ul>\n<p data-pid=\"UxWCXe8o\"><b>8.5.4.5 \u914d\u7f6eAR4\u3001AR5\u4e4b\u95f4\u7684EBGP\u5bf9\u7b49\u4f53<\/b><\/p>\n<ul>\n<li data-pid=\"-i6ofi3z\">[AR4]bgp 64512<\/li>\n<li data-pid=\"7XAB5WWt\">[AR4-bgp]peer 10.0.5.5 as-number 64514<\/li>\n<li data-pid=\"TyqeIrEH\">[AR4-bgp]peer 10.0.5.5 ebgp-max-hop 2<\/li>\n<li data-pid=\"sOA4l3Xg\">[AR4-bgp]peer 10.0.5.5 connect-interface LoopBack 0<\/li>\n<\/ul>\n<ul>\n<li data-pid=\"89l-Z7Im\">[AR5]bgp 64514<\/li>\n<li data-pid=\"AhQZKHX7\">[AR5-bgp]router-id 10.0.5.5<\/li>\n<li data-pid=\"g_-RxLWV\">[AR5-bgp]peer 10.0.4.4 as-number 64512<\/li>\n<li data-pid=\"6cL7XfYf\">[AR5-bgp]peer 10.0.4.4 ebgp-max-hop 2<\/li>\n<li data-pid=\"ER6ehq-j\">[AR5-bgp]peer 10.0.4.4 connect-interface LoopBack 0<\/li>\n<\/ul>\n<p data-pid=\"HrVSKd5d\"><b>8.5.4.6 \u5728AR1\u548cAR5\u4e0a\u68c0\u67e5EBGP\u5bf9\u7b49\u4f53\u72b6\u6001<\/b><\/p>\n<p data-pid=\"MSXjDA91\">\u53ef\u4ee5\u89c2\u5bdf\u5230AR1\u4e0eAR2\u3001AR4\u4e0eAR5\u4e4b\u95f4\u5df2\u7ecf\u6210\u529f\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30770\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-48\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-d46c913b86815bffbf9abe10ee8af8ec_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-48\" width=\"678\" height=\"177\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30773\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-49\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-434f340ae16d928636de811bfeddb3af_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-49\" width=\"679\" height=\"176\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_31\" data-into-catalog-status=\"\">8.5.5 \u6b65\u9aa4 5\u5728BGP\u4e2d\u53d1\u5e03\u8def\u7531<\/h3>\n<p data-pid=\"Y0RiJA0Y\"><b>8.5.5.1 \u5728AR1\u3001AR5\u4e0a\u5c06Loopback1\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP<\/b><\/p>\n<ul>\n<li data-pid=\"uJ7mg9JB\">[AR1]bgp 64513<\/li>\n<li data-pid=\"9wWpECKy\">[AR1-bgp]network 10.1.1.1 32<\/li>\n<\/ul>\n<ul>\n<li data-pid=\"0dR0kGMv\">[AR5]bgp 64514<\/li>\n<li data-pid=\"HbvUdJyI\">[AR5-bgp]network 50.1.1.1 32<\/li>\n<\/ul>\n<p data-pid=\"jbgcpm54\"><b>8.5.5.2 \u5728R3\u4e0a\u67e5\u770bBGP\u8def\u7531\u8868<\/b><\/p>\n<p data-pid=\"AeBTGS8g\">\u53ef\u4ee5\u770b\u5230\u6b64\u65f6AR3\u4e0a\u5df2\u7ecf\u5b66\u4e60\u5230AR1\u3001AR5\u4e0a\u53d1\u5e03\u7684BGP\u8def\u7531\uff0c\u4f46\u662f\u90fd\u662f\u975e\u6709\u6548\u8def\u7531\uff0c\u8fd9\u662f\u56e0\u4e3a\u5b83\u4eec\u7684\u4e0b\u4e00\u8df3\u5728AR3\u4e0a\u90fd\u4e0d\u53ef\u8fbe\uff0c\u4e3a\u6b64\u53ef\u4ee5\u5728AR2\u3001AR4\u4e0a\u901a\u8fc7next-hop-local\u547d\u4ee4\u4fee\u6539\u4e0b\u4e00\u8df3\u5730\u5740\u4e3aAR2\u3001AR4\u7684\u66f4\u65b0\u6e90\u5730\u5740\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30774\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-50\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-c9f9a497660749177879018d6412a22f_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-50\" width=\"677\" height=\"184\" \/><\/div>\n<\/figure>\n<p data-pid=\"HBcM3CoY\"><b>8.5.5.3 \u5728AR2\u548cAR4\u4e0a\u4fee\u6539\u4e0b\u4e00\u8df3\u8def\u7531\u4e0d\u81ea\u8eab<\/b><\/p>\n<ul>\n<li data-pid=\"6Smd7P6k\">[AR2]bgp 64512<\/li>\n<li data-pid=\"Af39pUqv\">[AR2-bgp]peer 10.0.3.3 next-hop-local<\/li>\n<li data-pid=\"4Bi6nUlf\">[AR2-bgp]peer 10.0.4.4 next-hop-local<\/li>\n<\/ul>\n<ul>\n<li data-pid=\"1_Efl7Q_\">[AR4]bgp 64512<\/li>\n<li data-pid=\"Z0HqlCW2\">[AR4-bgp]peer 10.0.2.2 next-hop-local<\/li>\n<li data-pid=\"dlAppMle\">[AR4-bgp]peer 10.0.3.3 next-hop-local<\/li>\n<\/ul>\n<p data-pid=\"g2-khk_q\"><b>8.5.5.4 \u518d\u6b21\u5728AR3\u4e0a\u67e5\u770bBGP\u8def\u7531\u8868<\/b><\/p>\n<p data-pid=\"DNVx82R3\">\u53ef\u4ee5\u89c2\u5bdf\u5230\u6b64\u65f6\u7684\u4e24\u6761BGP\u8def\u7531\u5df2\u7ecf\u53d8\u6210\u4e86\u6709\u6548\u3001\u6700\u4f18\u7684\u72b6\u6001\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30776\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-51\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-1a4e12f06e762bf8234a34f088469897_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-51\" width=\"675\" height=\"215\" \/><\/div>\n<\/figure>\n<p data-pid=\"32BFIpxj\"><b>8.5.5.5 \u5728R1\u3001R5\u4e0a\u67e5\u770bBGP\u8def\u7531\u8868<\/b><\/p>\n<p data-pid=\"-bQBzKbB\">\u53ef\u4ee5\u89c2\u5bdf\u5230AR1\u3001AR5\u4e4b\u524d\u76f8\u4e92\u5b66\u4e60\u5230\u4e86\u5bf9\u7aefLoopback1\u7684\u63a5\u53e3\u8def\u7531<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30775\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-52\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-d02b3d03dcc69f623b9afc81c6695764_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-52\" width=\"677\" height=\"226\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30777\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-53\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-17e64bf50f7332a6d464cfec996fe584_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-53\" width=\"676\" height=\"226\" \/><\/div>\n<\/figure>\n<p data-pid=\"Ap_4idjh\"><b>8.5.5.6 \u6d4b\u8bd5AR1\u3001AR5\u7684Loopback1\u4e4b\u95f4\u7684\u8fde\u901a\u6027<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30778\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-54\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-403a3ade3819315e257c1901c593150b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-54\" width=\"681\" height=\"157\" \/><\/div>\n<\/figure>\n<h2 id=\"h_574615281_32\" data-into-catalog-status=\"\"><b>\u601d\u8003\u9898<\/b><\/h2>\n<p data-pid=\"nboa1Etk\">1\uff09\u76f8\u6bd4\u8f83\u4e8e\u57fa\u4e8e\u7269\u7406\u63a5\u53e3\u5730\u5740\uff0c\u57fa\u4e8e\u73af\u56de\u53e3\u5730\u5740\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u6709\u4ec0\u4e48\u4f18\u70b9\uff1f<\/p>\n<p data-pid=\"rOW02Z6a\">\u7b54\uff1a\u76f8\u6bd4\u8f83\u4e8e\u7269\u7406\u63a5\u53e3\uff0c\u73af\u56de\u53e3\u72b6\u6001\u7a33\u5b9a\uff0c\u53ef\u4ee5\u501f\u52a9\u4e8e\u5bf9\u7b49\u4f53\u4e4b\u95f4\u8def\u7531\u5197\u4f59\u4fdd\u8bc1\u5bf9\u7b49\u4f53\u5173\u7cfb\u7684\u53ef\u9760\u6027\uff0c\u800c\u7269\u7406\u63a5\u53e3\u6545\u969cBGP\u4f1a\u8bdd\u4f1a\u76f4\u63a5\u4e2d\u65ad\uff0c\u5373\u4fbf\u5bf9\u7b49\u4f53\u4e4b\u95f4\u7684IP\u8fde\u901a\u6027\u4f9d\u65e7\u6b63\u5e38<\/p>\n<h2 id=\"h_574615281_33\" data-into-catalog-status=\"\">\u5341\u4e00\u3001\u8def\u7531\u6c47\u603b\u5b9e\u9a8c<\/h2>\n<h3 id=\"h_574615281_34\" data-into-catalog-status=\"\">9.1\u5b66\u4e60\u76ee\u6807<\/h3>\n<ul>\n<li data-pid=\"w7Fxn0X4\">\u5b9e\u73b0\u5bf9<b>import-route<\/b>\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u8fdb\u884c\u81ea\u52a8\u6c47\u603b<\/li>\n<li data-pid=\"OmF72i5a\">\u5b9e\u73b0\u4f7f\u7528<b>aggregate<\/b>\u547d\u4ee4\u8fdb\u884c\u624b\u52a8\u8def\u7531\u6c47\u603b<\/li>\n<li data-pid=\"GP3RJTBs\">\u5b9e\u73b0\u624b\u52a8\u8def\u7531\u6c47\u603b\u65f6\u901a\u8fc7AS-SET\u53c2\u6570\u9632\u6b62\u8def\u7531\u73af\u8def<\/li>\n<\/ul>\n<h3 id=\"h_574615281_35\" data-into-catalog-status=\"\">9.2 \u7f51\u7edc\u62d3\u6251\u53ca\u7ec4\u7f51\u4ecb\u7ecd<\/h3>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30779\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-55\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-507e3e13ec8dc189521be65bdcbfe10e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-55\" width=\"709\" height=\"161\" \/><\/div>\n<\/figure>\n<ul>\n<li data-pid=\"GwCrqTyh\">BGP AS\u53f7\u3001\u4e92\u8054\u5730\u5740\u5982\u56fe\u6240\u793a\uff0cIP\u5730\u574010.0.xy.x\/24<\/li>\n<li data-pid=\"JS1wSYmj\">\u6240\u6709\u8bbe\u5907\u5747\u521b\u5efaLoopback0\u63a5\u53e3\uff0cIP\u5730\u574010.x.x.x\/32\uff0c\u5176\u4e2dx\u4e3a\u8bbe\u5907\u7f16\u53f7\u3002<\/li>\n<li data-pid=\"BBlapFZO\">AR1\u3001AR2\u3001AR3\u4f7f\u7528Loopback0\u5730\u5740\u4f5c\u4e3aBGP Router ID\uff0c\u57fa\u4e8e\u76f4\u8fde\u63a5\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/li>\n<li data-pid=\"mhswjPbT\">AR1\u3001AR3\u4e0a\u5b58\u5728Loopback1\u3001Loopback2\u63a5\u53e3\uff0c\u7528\u4e8e\u6a21\u62df\u7528\u6237\u7f51\u6bb5\u3002<\/li>\n<\/ul>\n<h3 id=\"h_574615281_36\" data-into-catalog-status=\"\">9.3 \u5b9e\u9a8c\u80cc\u666f<\/h3>\n<ul>\n<li data-pid=\"T4l-JZA7\">\u4f60\u662f\u516c\u53f8\u7684\u7f51\u7edc\u7ba1\u7406\u5458\u3002\u516c\u53f8\u7684\u7f51\u7edc\u91c7\u7528\u4e86BGP\u534f\u8bae\u4f5c\u4e3a\u8def\u7531\u534f\u8bae\u3002<\/li>\n<li data-pid=\"0C9KvPnZ\">\u516c\u53f8\u7684\u7f51\u7edc\u7531\u591a\u4e2a\u81ea\u6cbb\u7cfb\u7edf\u7ec4\u6210\uff0c\u4e0d\u540c\u7684\u5206\u652f\u673a\u6784\u4f7f\u7528\u4e86\u4e0d\u540c\u7684AS\u53f7\u3002<\/li>\n<li data-pid=\"0KmHc7ZZ\">\u968f\u7740\u516c\u53f8\u89c4\u6a21\u7684\u6269\u5927\uff0c\u8def\u7531\u5668\u4e2d\u5df2\u7ecf\u6709\u8d8a\u6765\u8d8a\u591a\u7684\u8def\u7531\uff0c\u8fdb\u884cBGP\u7684\u8def\u7531\u6c47\u603b\u8feb\u5728\u7709\u776b\u3002<\/li>\n<li data-pid=\"zV2hGQR9\">\u4f60\u6d4b\u8bd5\u4e86\u51e0\u79cd\u8fdb\u884c\u8def\u7531\u6c47\u603b\u7684\u65b9\u6cd5\uff0c\u6700\u7ec8\u9009\u62e9\u4e86\u5408\u9002\u7684\u65b9\u5f0f\u5b9e\u73b0\u4e86\u8def\u7531\u6c47\u603b\u3002<\/li>\n<\/ul>\n<h3 id=\"h_574615281_37\" data-into-catalog-status=\"\">9.4 \u5b9e\u9a8c\u4efb\u52a1<\/h3>\n<h3 id=\"h_574615281_38\" data-into-catalog-status=\"\">9.4.1 \u4efb\u52a1\u601d\u8def<\/h3>\n<ul>\n<li data-pid=\"tqZ92wUR\">1.\u8bbe\u5907IP\u5730\u5740\u914d\u7f6e\u3002<\/li>\n<li data-pid=\"HE-ghBWf\">2.\u6309\u7167\u89c4\u5212\u914d\u7f6eAR1\u3001AR2\u3001AR3\u4e4b\u95f4\u7684EBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/li>\n<li data-pid=\"gSqOWMHR\">3.\u5728R1\u4e0a\u5c06Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\u4e2d\u5e76\u8fdb\u884c\u81ea\u52a8\u6c47\u603b\uff0c\u5728AR2\u4e0a\u89c2\u5bdfBGP\u6c47\u603b\u8def\u7531\u7684\u660e\u7ec6\u4fe1\u606f\u3002<\/li>\n<li data-pid=\"UvGJHs4f\">4.\u5728AR3\u4e0a\u5c06Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\u4e2d\uff0c\u5728AR2\u4e0a\u6267\u884c\u624b\u52a8\u6c47\u603b\uff0c\u89c2\u5bdfAR2\u3001AR3\u4e0a\u7684BGP\u6c47\u603b\u8def\u7531\u7684<\/li>\n<li data-pid=\"JU7HqjTZ\">\u660e\u7ec6\u4fe1\u606f\u3002\u4e4b\u540e\u5728AR2\u4e0a\u6267\u884c\u624b\u52a8\u6c47\u603b\u5e76\u589e\u52a0\u5173\u952e\u5b57as-set\uff0c\u518d\u6b21\u89c2\u5bdfAR2\u4e0a\u7684BGP\u6c47\u603b\u8def\u7531\u7684\u660e\u7ec6\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h3 id=\"h_574615281_39\" data-into-catalog-status=\"\">9.4.2 \u6b65\u9aa4 1 \u4e92\u8054\u63a5\u53e3\u3001\u73af\u56de\u53e3IP\u5730\u5740\u914d\u7f6e<\/h3>\n<p data-pid=\"_sY79r60\"><b>9.4.2.1 \u8bbe\u5907\u547d\u540d<\/b><\/p>\n<p data-pid=\"D0caKgud\">\u7565<\/p>\n<p data-pid=\"9rXMJu_h\"><b>9.4.2.2 \u5173\u95ed\u672c\u5b9e\u9a8c\u4e2d\u672a\u4f7f\u7528\u7684\u63a5\u53e3<\/b><\/p>\n<p data-pid=\"csJ0LgYn\">\u7565<\/p>\n<p data-pid=\"738lVOfz\"><b>9.4.2.3 \u914d\u7f6eAR1\u7684GE0\/0\/0\u3001Loopback0\u3001Loopback1\u3001Loopback2\u63a5\u53e3IP\u5730\u5740<\/b><\/p>\n<ul>\n<li data-pid=\"0s5rDct6\">[AR1]int g 0\/0\/0<\/li>\n<li data-pid=\"AjSJc9-V\">[AR1-GigabitEthernet0\/0\/0]ip add 10.0.12.1 24<\/li>\n<li data-pid=\"7-xKCLK1\">[AR1-GigabitEthernet0\/0\/0]q<\/li>\n<li data-pid=\"b7aNHZnq\">[AR1]interface LoopBack 0<\/li>\n<li data-pid=\"eX9QZvaw\">[AR1-LoopBack1]ip add 10.1.1.1 32<\/li>\n<li data-pid=\"Xf2PTYXX\">[AR1-LoopBack1]q<\/li>\n<li data-pid=\"Cpy9FglW\">[AR1]interface LoopBack 1<\/li>\n<li data-pid=\"tGNjloep\">[AR1-LoopBack1]ip add 172.16.1.1 24<\/li>\n<li data-pid=\"x6W5GIS-\">[AR1-LoopBack1]q<\/li>\n<li data-pid=\"zLLnwAAz\">[AR1]interface LoopBack 2<\/li>\n<li data-pid=\"Y64Kb5ir\">[AR1-LoopBack2]ip add 172.16.2.1 24<\/li>\n<li data-pid=\"VCDWPdkw\">[AR1-LoopBack2]q<\/li>\n<\/ul>\n<p data-pid=\"SHZIvtVA\"><b>9.4.2.4 \u914d\u7f6eAR2\u7684GE0\/0\/0\u3001GE0\/0\/1\u3001Loopback0\u63a5\u53e3IP\u5730\u5740<\/b><\/p>\n<ul>\n<li data-pid=\"7HHj60pi\">[AR2]interface g 0\/0\/0<\/li>\n<li data-pid=\"RTQ3VwWO\">[AR2-GigabitEthernet0\/0\/0]ip add 10.0.12.2 24<\/li>\n<li data-pid=\"xPl355FJ\">[AR2-GigabitEthernet0\/0\/0]q<\/li>\n<li data-pid=\"oFsaMhFw\">[AR2]interface g 0\/0\/1<\/li>\n<li data-pid=\"XOgeJWMX\">[AR2-GigabitEthernet0\/0\/1]ip add 10.0.13.2 24<\/li>\n<li data-pid=\"Lh-mm2us\">[AR2-GigabitEthernet0\/0\/1]q<\/li>\n<li data-pid=\"rSI-SZop\">[AR2]interface LoopBack 0<\/li>\n<li data-pid=\"DVD6Dmp0\">[AR2-LoopBack0]ip add 10.2.2.2 32<\/li>\n<li data-pid=\"z8A_FJvp\">[AR2-LoopBack0]q<\/li>\n<\/ul>\n<p data-pid=\"WNy54gcV\"><b>9.4.2.5 \u914d\u7f6eAR3\u7684GE0\/0\/1\u3001Loopback0\u3001Loopback1\u3001Loopback2\u63a5\u53e3IP\u5730\u5740<\/b><\/p>\n<ul>\n<li data-pid=\"tAnYEdLI\">[AR3]interface LoopBack 0<\/li>\n<li data-pid=\"GDnyibiQ\">[AR3-LoopBack0]ip add 10.3.3.3 32<\/li>\n<li data-pid=\"VO2A9aB-\">[AR3-LoopBack0]q<\/li>\n<li data-pid=\"AxVfkwuk\">[AR3]interface LoopBack 1<\/li>\n<li data-pid=\"41KTL7qz\">[AR3-LoopBack1]ip add 172.17.1.1 24<\/li>\n<li data-pid=\"wdY0DfId\">[AR3-LoopBack1]q<\/li>\n<li data-pid=\"s4A7vH23\">[AR3]interface LoopBack 2<\/li>\n<li data-pid=\"46LiSWVA\">[AR3-LoopBack2]ip add 172.17.2.1 24<\/li>\n<li data-pid=\"1bZp_irz\">[AR3-LoopBack2]q<\/li>\n<li data-pid=\"8GRrRw2J\">[AR3]interface g 0\/0\/1<\/li>\n<li data-pid=\"nd_Cw1N6\">[AR3-GigabitEthernet0\/0\/1]ip add 10.0.13.3 24<\/li>\n<li data-pid=\"af_T3pr6\">[AR3-GigabitEthernet0\/0\/1]q<\/li>\n<\/ul>\n<p data-pid=\"_v_CL4bE\"><b>9.4.5.6 \u5728AR2\u4e0a\u6d4b\u8bd5\u4e92\u8054\u5730\u5740\u8fde\u901a\u6027<\/b><\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30780\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-56\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-2a150b2b4fae9a6674dd24e5a6a630eb_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-56\" width=\"644\" height=\"304\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_40\" data-into-catalog-status=\"\">9.4.3 \u6b65\u9aa42 \u914d\u7f6eEBGP\u5bf9\u7b49\u4f53<\/h3>\n<p data-pid=\"ldeLyNGx\">9.4.3.1 \u914d\u7f6eR1\u4e0eR2\u3001R2\u4e0eR3\u4e4b\u95f4\u57fa\u4e8e\u76f4\u8fde\u63a5\u53e3\u5efa\u7acbEBGP\u5bf9\u7b49\u4f53\u5173\u7cfb<\/p>\n<p data-pid=\"IEX5BR-N\">\u914d\u7f6eR1<\/p>\n<ul>\n<li data-pid=\"XUv68i0Z\">[AR1]bgp 64511<\/li>\n<li data-pid=\"-8ncvUYJ\">[AR1-bgp]router-id 10.1.1.1<\/li>\n<li data-pid=\"DtsswPAq\">[AR1-bgp]peer 10.0.12.2 as-number 64512<\/li>\n<\/ul>\n<p data-pid=\"FA88M1Qd\">\u914d\u7f6eR2<\/p>\n<ul>\n<li data-pid=\"1fgkne-9\">[AR2]bgp 64512<\/li>\n<li data-pid=\"58Li5Eqy\">[AR2-bgp]router-id 10.2.2.2<\/li>\n<li data-pid=\"FN2xfph2\">[AR2-bgp]peer 10.0.12.1 as-number 64511<\/li>\n<li data-pid=\"u8e0B04s\">[AR2-bgp]peer 10.0.13.3 as-number 64513<\/li>\n<\/ul>\n<p data-pid=\"RTnrDQLE\">\u914d\u7f6eR3<\/p>\n<ul>\n<li data-pid=\"j1s7Shp8\">[AR3]bgp 64513<\/li>\n<li data-pid=\"hhiMX5CH\">[AR3-bgp]router-id 10.3.3.3<\/li>\n<li data-pid=\"DjSBzruf\">[AR3-bgp]peer 10.0.13.2 as-number 64512<\/li>\n<\/ul>\n<p data-pid=\"VnuvDyZB\"><b>9.4.3.2 \u5728R2\u4e0a\u67e5\u770bBGP\u5bf9\u7b49\u4f53\u72b6\u6001<\/b><\/p>\n<p data-pid=\"saaNcKEC\">R1\u4e0eR2\u3001R2\u4e0eR3\u4e4b\u95f4\u7684EBGP\u5bf9\u7b49\u4f53\u5df2\u7ecf\u6210\u529f\u5efa\u7acb<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30782\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-57\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-6e09dff69e3d4087d29afa7fd91ac7df_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-57\" width=\"718\" height=\"212\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_41\" data-into-catalog-status=\"\">9.4.4 \u6b65\u9aa43 BGP\u8def\u7531\u81ea\u52a8\u6c47\u603b<\/h3>\n<p data-pid=\"0Kk5v_pc\"><b>9.4.4.1 \u5728AR1\u4e0a\u5f00\u542fBGP\u8def\u7531\u81ea\u52a8\u6c47\u603b\uff0c\u5c06Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\u4e2d\uff0c\u5e76\u8fdb\u884c\u81ea\u52a8\u6c47\u603b\u3002<\/b><\/p>\n<p data-pid=\"_v-a2usU\"><b>1\uff09\u521b\u5efaIP\u524d\u7f00\u5217\u88681\uff0c\u5339\u914dLoopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531<\/b><\/p>\n<p data-pid=\"_r9Xku1_\">[AR1]ip ip-prefix 1 permit 172.16.0.0 16 greater-equal 24 less-equal 24<\/p>\n<p data-pid=\"H3N4Jkdr\"><b>2\uff09\u521b\u5efaRoute-Policy \u540d\u79f0\u4e3a172.16.0.0\uff0c\u5e76\u521b\u5efa\u8282\u70b910\uff0c\u5728\u5176\u4e2d\u8c03\u7528IP\u524d\u7f00\u5217\u88681<\/b><\/p>\n<ul>\n<li data-pid=\"7Z1bh9Jc\">[AR1]route-policy 172.16.0.0 permit node 10<\/li>\n<li data-pid=\"JvC2ol-2\">[AR1-route-policy]if-match ip-prefix 1<\/li>\n<li data-pid=\"51rdsvIG\">[AR1-route-policy]quit<\/li>\n<\/ul>\n<p data-pid=\"tr0KJtYF\"><b>3\uff09\u5c06Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\uff0c\u5e76\u6fc0\u6d3bBGP\u8def\u7531\u81ea\u52a8\u6c47\u603b\u529f\u80fd<\/b><\/p>\n<p data-pid=\"yZ1rX9F7\">\u81ea\u52a8\u6c47\u603b\u53ea\u5bf9\u901a\u8fc7<b>import-route<\/b>\u547d\u4ee4\u5f15\u5165\u7684\u8def\u7531\u751f\u6548<\/p>\n<ul>\n<li data-pid=\"HdmXFPf0\">[AR1]bgp 64511<\/li>\n<li data-pid=\"9mbYIXzt\">[AR1-bgp]import-route direct route-policy 172.16.0.0<\/li>\n<li data-pid=\"Et2qhSqa\">[AR1-bgp]summary automatic<\/li>\n<li data-pid=\"s-PdasP_\">Info: Automatic summarization is valid only for the routes imported through the import-route command.<\/li>\n<\/ul>\n<p data-pid=\"uSnY_yP0\"><b>4\uff09\u5728AR1\u4e0a\u67e5\u770bBGP\u8def\u7531\u8868<\/b><\/p>\n<p data-pid=\"IHJjBar5\">Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u5df2\u7ecf\u53d1\u5e03\u5230BGP\uff0c\u7531\u4e8eAR1\u6fc0\u6d3b\u4e86BGP\u8def\u7531\u81ea\u52a8\u6c47\u603b\uff0c\u56e0\u6b64AR1\u4f1a\u5c06\u8fd9\u4e9b\u8def\u7531\u6c47\u603b\u6210172.16.0.0\/16\uff0c\u540c\u65f6\u6291\u5236\u6240\u6709\u7684\u660e\u7ec6\u8def\u7531\uff0c\u901a\u8fc7\u660e\u7ec6\u8def\u7531\u524d\u7684\u201cs\u201d\u6807\u8bb0\u53ef\u4ee5\u770b\u51fa\uff0c\u8be5\u6807\u8bb0\u7684\u542b\u4e49\u4e3a\u201csuppressed\u201d\uff0c\u8868\u793a\u88ab\u6291\u5236\uff0c\u6700\u7ec8R1\u53ea\u5bf9\u5916\u901a\u544a\u6c47\u603b\u8def\u7531172.16.0.0\/16\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30781\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-58\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-6e034fff000337dfe3a590d0ac0de868_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-58\" width=\"713\" height=\"229\" \/><\/div>\n<\/figure>\n<p data-pid=\"6nEE_E1J\"><b>5\uff09\u5728AR2\u4e0a\u67e5\u770bBGP\u8def\u7531\u8868<\/b><\/p>\n<p data-pid=\"HQUlX9a6\">AR2\u4e0a\u53ea\u80fd\u770b\u5230\u4e00\u6761\u4e3b\u7c7b\u8def\u7531172.16.0.0\/16\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30784\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-59\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b76f0c5c2d27bfd6e3a6e5fe1bd4e685_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-59\" width=\"717\" height=\"196\" \/><\/div>\n<\/figure>\n<p data-pid=\"myb38BQ0\"><b>6\uff09\u5728AR2\u4e0a\u67e5\u770bBGP\u8def\u7531172.16.0.0\u7684\u660e\u7ec6\u4fe1\u606f<\/b><\/p>\n<p data-pid=\"DHEFp-zq\">\u8be5\u8def\u7531\u7684\u8def\u5f84\u5c5e\u6027\u4e2d\u5b58\u5728Aggregator\u5c5e\u6027\uff0c\u5176\u4e2d\u643a\u5e26\u4e86\u6c47\u603b\u8def\u7531\u751f\u6210\u8bbe\u5907\u6240\u5c5e\u7684AS\u53f7\u4ee5\u53ca\u5176Router ID\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30783\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-60\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-1a616d92a4cd42dd239fbaffdf8bd1dc_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-60\" width=\"717\" height=\"277\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_42\" data-into-catalog-status=\"\">9.4.5 \u6b65\u9aa44 BGP\u8def\u7531\u624b\u52a8\u6c47\u603b<\/h3>\n<p data-pid=\"EEDuBTZM\">\u5728AR3\u4e0a\u5c06Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\uff0c\u5728R2\u4e0a\u901a\u8fc7<b>aggregate<\/b>\u547d\u4ee4\u6267\u884c\u624b\u52a8\u6c47\u603b\uff0c\u5e76\u6291\u5236\u660e\u7ec6\u8def\u7531\u7684\u5bf9\u5916\u53d1\u5e03\u3002<\/p>\n<p data-pid=\"o-t07-V_\">1\uff09\u521b\u5efaIP\u524d\u7f00\u5217\u88681\uff0c\u5339\u914dLoopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531<\/p>\n<p data-pid=\"xFs9T1lf\">[AR3]ip ip-prefix 1 permit 172.17.0.0 16 greater-equal 24 less-equal 24<\/p>\n<p data-pid=\"4AZg9dkW\">2\uff09\u521b\u5efaRoute-Policy hcip\uff0c\u5e76\u521b\u5efa\u8282\u70b910\uff0c\u5728\u5176\u4e2d\u8c03\u7528IP\u524d\u7f00\u5217\u88681<\/p>\n<ul>\n<li data-pid=\"-lCvpGp5\">[AR3]route-policy 172.17.0.0 permit node 10<\/li>\n<li data-pid=\"tlVuAjZU\">[AR3-route-policy]if-match ip-prefix 1<\/li>\n<li data-pid=\"mSP16rJT\">[AR3-route-policy]q<\/li>\n<\/ul>\n<p data-pid=\"_WZQzx_U\">3\uff09\u5c06Loopback1\u3001Loopback2\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP<\/p>\n<ul>\n<li data-pid=\"nDsP3Zzb\">[AR3]bgp 64513<\/li>\n<li data-pid=\"aa-6CesM\">[AR3-bgp]import-route direct route-policy 172.17.0.0<\/li>\n<li data-pid=\"oya6H5mw\">[AR3-bgp]q<\/li>\n<\/ul>\n<p data-pid=\"xmXRuUZX\">4\uff09\u67e5\u770bAR2\u7684BGP\u8def\u7531\u8868<\/p>\n<p data-pid=\"sR2uFMc-\">\u5728AR2\u7684BGP\u8def\u7531\u8868\u4e2d\u5df2\u7ecf\u5b58\u5728AR3\u901a\u544a\u7684BGP\u8def\u7531172.17.1.0\/24\u3001172.17.2.0\/24\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30785\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-61\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-89db1a1cfb4efab5f19c079c4c3e4df7_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-61\" width=\"717\" height=\"226\" \/><\/div>\n<\/figure>\n<p data-pid=\"K4WNpSK5\">5\uff09AR2\u4e0a\u6267\u884c\u624b\u52a8\u8def\u7531\u6c47\u603b\uff0c\u5c06172.17.1.0\/24\u3001172.17.2.0\/24\u6c47\u603b\u6210172.17.0.0\/22\uff0c\u5e76\u6291\u5236\u660e\u7ec6\u8def\u7531\u7684\u5bf9\u5916\u901a\u544a<\/p>\n<ul>\n<li data-pid=\"ZsNoWYps\">[AR2]bgp 64512<\/li>\n<li data-pid=\"ImSFRXs0\">[AR2-bgp]aggregate 172.17.0.0 22 detail-suppressed<\/li>\n<\/ul>\n<p data-pid=\"_gcl0iUU\">6\uff09\u67e5\u770bAR2\u7684BGP\u8def\u7531\u8868<\/p>\n<p data-pid=\"EeCjkRnO\">\u6b64\u65f6\u5728AR2\u7684BGP\u8def\u7531\u8868\u4e2d\u53ef\u4ee5\u770b\u5230\u6c47\u603b\u540e\u7684\u8def\u7531\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30787\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-62\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-08bdcba06cdac2e53d21327c614164d2_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-62\" width=\"718\" height=\"241\" \/><\/div>\n<\/figure>\n<p data-pid=\"smOJEkrK\">7\uff09\u5728R2\u4e0a\u67e5\u770bBGP\u8def\u7531172.16.0.0\/22\u7684\u660e\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"S8H1sa0Q\">\u4ece\u8f93\u51fa\u4fe1\u606f\u53ef\u4ee5\u770b\u5230AS_Path\u503c\u4e3aNil\uff0c\u4ee3\u8868\u4e86AS_Path\u5c5e\u6027\u503c\u4e3a\u7a7a\uff0c\u8fd9\u610f\u5473\u7740\u4e22\u5931\u4e86\u660e\u7ec6\u7684AS_Path\u5c5e\u6027\u503c\uff0cBGP\u4f9d\u8d56AS_Path\u5b9e\u73b0\u9632\u73af\uff0c\u56e0\u6b64AS_Path\u5c5e\u6027\u7684\u4e22\u5931\u53ef\u80fd\u5e26\u6765\u8def\u7531\u73af\u8def\u3002\u4ece\u8be5\u6761\u8def\u7531\u5bf9\u5916\u901a\u544a\u7684\u5bf9\u7b49\u4f53\u4e2d\u53ef\u4ee5\u770b\u523010.0.23.3\uff08R3\uff09<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30788\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-63\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-298bed3bd82c7e78430b6612559b0d01_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-63\" width=\"720\" height=\"274\" \/><\/div>\n<\/figure>\n<p data-pid=\"7YPGuo0p\">8\uff09\u67e5\u770bR3\u7684BGP\u8def\u7531\u8868<\/p>\n<p data-pid=\"gcbjpFkT\">\u5728R3\u7684BGP\u8def\u7531\u8868\u4e2d\u53ef\u4ee5\u770b\u5230\u6c47\u603b\u8def\u7531172.17.0.0\/22\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30786\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-64\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-1de95bd833335e3e3d3dea4319f53760_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-64\" width=\"721\" height=\"259\" \/><\/div>\n<\/figure>\n<p data-pid=\"vAXDkoAk\">9\uff09\u4e3a\u9632\u6b62\u8def\u7531\u73af\u8def\uff0c\u5728AR2\u4e0a\u6267\u884c\u624b\u52a8\u6c47\u603b\u65f6\u589e\u52a0as-set\u5173\u952e\u5b57<\/p>\n<ul>\n<li data-pid=\"JtINB0e1\">[AR2]64512<\/li>\n<li data-pid=\"hkyoia6g\">[AR2-bgp]aggregate 172.17.0.0 22 detail-suppressed as-set<\/li>\n<\/ul>\n<p data-pid=\"D_JguTeo\">10\uff09\u518d\u6b21\u5728R2\u4e0a\u67e5\u770bBGP\u8def\u7531172.17.0.0\/22\u7684\u660e\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"PJvKbbK5\">\u53ef\u4ee5\u770b\u5230\u6b64\u65f6AS_Path\u5c5e\u6027\u503c\u4e3a64513\uff0c\u6b64\u65f6\u8be5\u6761\u8def\u7531\u4f9d\u65e7\u541110.0.23.3\uff08R3\uff09\u901a\u544a\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30789\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-65\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-07d47e785f59a6730ae4bbc1f3725543_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-65\" width=\"712\" height=\"277\" \/><\/div>\n<\/figure>\n<p data-pid=\"tqYbexmE\">11\uff09\u518d\u6b21\u67e5\u770bR3\u7684BGP\u8def\u7531\u8868<\/p>\n<p data-pid=\"9nXv0x_A\">R3\u6536\u5230\u5173\u4e8e172.17.0.0\/22\u7684\u901a\u544a\u4e4b\u540e\uff0c\u5728AS_Path\u4e2d\u5c06\u770b\u5230\u81ea\u8eab\u7684AS\u53f7\uff0864153\uff09\uff0c\u5c06\u4f1a\u5ffd\u7565\u8be5\u8def\u7531\u901a\u544a\u3002\u6b64\u65f6R3\u7684BGP\u8def\u7531\u8868\u4e2d\u65e0\u6cd5\u770b\u5230\u6c47\u603b\u8def\u7531172.17.0.0\/22\uff0c\u56e0\u6b64\u901a\u8fc7\u5728\u624b\u52a8\u8def\u7531\u6c47\u603b\u7684\u914d\u7f6e\u4e2d\u4f7f\u7528as-set\u5173\u952e\u5b57\u987a\u5229\u5730\u89c4\u907f\u4e86\u8def\u7531\u73af\u8def\u7684\u4ea7\u751f\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30791\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-66\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-f493bbbadd792b0dd6367d087aee202a_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-66\" width=\"718\" height=\"244\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_43\" data-into-catalog-status=\"\">\u601d\u8003\u9898<\/h3>\n<p data-pid=\"XdxY5itE\"><b>Aggregate\u548cSummary automatic\u4ea7\u751f\u7684\u6c47\u603b\u8def\u7531\u5728\u643a\u5e26\u7684\u8def\u5f84\u5c5e\u6027\u4e0a\u6709\u4ec0\u4e48\u4e0d\u540c\uff1f<\/b><\/p>\n<ul>\n<li data-pid=\"yGMVDNaV\">\u914d\u7f6eAggregate\uff0c\u643a\u5e26\u7684\u8def\u5f84\u5c5e\u6027\u4e3a\u7a7a\uff08AS-Path Nil\uff09\uff0c\u5e76\u5411\u6e90\u8def\u5f84\u53d1\u9001\u901a\u544a\uff0c\u901a\u544a\u4e2d\u6709\u81ea\u5df1\u5305\u542b\u7684\u8def\u7531\u3002<\/li>\n<li data-pid=\"4hPrNPaZ\">\u914d\u7f6eAggregate\u5e76\u589e\u52a0as-set\u5173\u952e\u5b57\u540e\u643a\u5e26\u8def\u5f84\u5c5e\u6027\uff0c\u5e76\u5411\u6e90\u8def\u7531\u53d1\u9001\u901a\u544a\uff0c\u6e90\u8def\u7531\u6536\u5230\u901a\u544a\u540e\u53d1\u73b0\u6709\u81ea\u5df1\u7684AS\u53f7\uff0c\u5c06\u5ffd\u7565\u8be5\u8def\u7531\u901a\u544a<\/li>\n<li data-pid=\"Vi7t6DMO\">Summary automatic\u662f\u5728\u6e90\u8def\u7531\u5668\u4e0a\u505a\u8def\u7531\u6c47\u603b\uff0c\u53ea\u901a\u544a\u6c47\u603b\u540e\u7684\u8def\u7531<\/li>\n<\/ul>\n<h2 id=\"h_574615281_44\" data-into-catalog-status=\"\"><b>\u5341\u4e8c\u3001BGP\u8def\u7531\u53cd\u5c04\u5b9e\u9a8c<\/b><\/h2>\n<h3 id=\"h_574615281_45\" data-into-catalog-status=\"\">10.1 \u5b66\u4e60\u76ee\u6807<\/h3>\n<ul>\n<li data-pid=\"RJnJiXQG\">\u5b9e\u73b0\u5728AS\u5185\u90e8\u7f72\u8def\u7531\u53cd\u5c04\u5668<\/li>\n<li data-pid=\"q2yaG7Wa\">\u5206\u6790BGP\u8def\u5f84\u5c5e\u6027Orginator_ID\u5728\u8def\u7531\u53cd\u5c04\u5668\u73af\u5883\u4e0b\u5982\u4f55\u5b9e\u73b0\u8def\u7531\u9632\u73af<\/li>\n<li data-pid=\"hM8mTJvT\">\u5206\u6790BGP\u8def\u5f84\u5c5e\u6027Cluster_List\u5728\u8def\u7531\u53cd\u5c04\u5668\u73af\u5883\u4e0b\u5982\u4f55\u5b9e\u73b0\u8def\u7531\u9632\u73af<\/li>\n<\/ul>\n<h3 id=\"h_574615281_46\" data-into-catalog-status=\"\">10.2 \u5b9e\u9a8c\u7ec4\u7f51\u4ecb\u7ecd<\/h3>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30792\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-67\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-3f49262f5fc1d1de60376accbfa05fde_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-67\" width=\"665\" height=\"344\" \/><\/div>\n<\/figure>\n<ul>\n<li data-pid=\"yG_fQxc_\">AR1\u3001AR2\u3001AR3\u3001AR4\u90fd\u5c5e\u4e8eAS64511\uff0c\u5176\u8fde\u63a5\u65b9\u5f0f\u3001\u4e92\u8054\u63a5\u53e3\u5730\u5740\u5982\u56fe\u6240\u793a\u3002<\/li>\n<li data-pid=\"EghMPdJ9\">\u6bcf\u53f0\u8bbe\u5907\u5747\u521b\u5efaLoopback0\u63a5\u53e3\uff0cIP\u5730\u5740\u4e3a10.x.x.x\/32\uff0c\u5176\u4e2dx\u4e3a\u8bbe\u5907\u7f16\u53f7\u3002<\/li>\n<li data-pid=\"J4R7esD6\">R1\u3001R2\u4e0a\u7684Loopback1\u5730\u5740\u5206\u522b\u4e3a192.168.1.1\/24\u3001192.168.2.2\/24\uff0c\u7528\u4e8e\u6a21\u62df\u7528\u6237\u7f51\u6bb5\u3002<\/li>\n<li data-pid=\"2yoUQT_r\">\u6240\u6709\u8bbe\u5907\u90fd\u4f7f\u7528Loopback0\u5730\u5740\u4f5c\u4e3aBGP Router ID\uff0cR1\u4e0eR2\u3001R2\u4e0eR3\u3001R3\u4e0eR4\u3001R4\u4e0eR2\u4e4b\u95f4\u57fa\u4e8e\u76f4\u8fde\u63a5\u53e3\u5efa\u7acbIBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002\u5176\u4e2dR1\u4e3aR2\u7684\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aef\uff0cR2\u4e3aR3\u7684\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aef\uff0cR3\u4e3aR4\u7684\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<h3 id=\"h_574615281_47\" data-into-catalog-status=\"\">10.3 \u5b9e\u9a8c\u80cc\u666f<\/h3>\n<p data-pid=\"Z4DhCruQ\">\u67d0\u516c\u53f8\u7684\u603b\u90e8\u7f51\u7edc\u91c7\u7528\u4e86BGP\u534f\u8bae\u4f5c\u4e3a\u8def\u7531\u534f\u8bae\uff0c\u603b\u90e8\u76844\u53f0\u8def\u7531\u5668\u4e4b\u95f4\u5efa\u7acbIBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\uff08\u975e\u5168\u4e92\u8054\uff09\uff0c\u4e3a\u4e86\u8ba94\u53f0\u8def\u7531\u5668\u5b66\u4e60\u5230\u5b8c\u6574\u7684BGP\u8def\u7531\uff0c\u73b0\u9700\u8981\u5728\u7f51\u7edc\u4e2d\u90e8\u7f72BGP\u8def\u7531\u53cd\u5c04\u5668\u3002<\/p>\n<h3 id=\"h_574615281_48\" data-into-catalog-status=\"\">10.4 \u4efb\u52a1\u601d\u8def<\/h3>\n<p data-pid=\"AKDkt4MN\">1. \u8bbe\u5907\u57fa\u7840IP\u5730\u5740\u914d\u7f6e\u3002<\/p>\n<p data-pid=\"bb5wJvhv\">2. \u914d\u7f6eAS\u5185\u7684OSPF\uff0c\u5728\u4e92\u8054\u63a5\u53e3\u3001Loopback0\u63a5\u53e3\u4e0a\u6fc0\u6d3bOSPF\u3002<\/p>\n<p data-pid=\"MkuXiyUF\">3. \u914d\u7f6eAS\u5185\u57fa\u4e8e\u76f4\u8fde\u63a5\u53e3\u5efa\u7acbIBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/p>\n<p data-pid=\"itc5UBl7\">4. \u914d\u7f6e\u8def\u7531\u53cd\u5c04\u5668\uff0c\u5c06AR1\u914d\u7f6e\u4e3aAR2\u7684\u5ba2\u6237\u7aef\u3001AR2\u914d\u7f6e\u4e3aAR3\u7684\u5ba2\u6237\u7aef\u3001AR3\u914d\u7f6e\u4e3aAR4\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<p data-pid=\"XfY_9afJ\">5. \u5728\uff21R2\u4e0a\u5c06Loopback1\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u8fdbBGP\uff0c\u89c2\u5bdfOriginator_ID\u5c5e\u6027\u5982\u4f55\u5b9e\u73b0\u8def\u7531\u9632\u73af\u3002<\/p>\n<p data-pid=\"BKfnBBuT\">6. \u5728\uff21R1\u4e0a\u5c06Loopback1\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u8fdbBGP\uff0c\u89c2\u5bdfCluster_List\u5c5e\u6027\u5982\u4f55\u5b9e\u73b0\u8def\u7531\u9632\u73af\u3002<\/p>\n<h3 id=\"h_574615281_49\" data-into-catalog-status=\"\">10.5 \u4efb\u52a1\u6b65\u9aa4<\/h3>\n<h3 id=\"h_574615281_50\" data-into-catalog-status=\"\">10.5.1 \u6b65\u9aa4 1 \u4e92\u8054\u63a5\u53e3\u3001\u73af\u56de\u53e3IP\u5730\u5740\u914d\u7f6e<\/h3>\n<p data-pid=\"uHzaL80p\">1\uff09\u8bbe\u5907\u547d\u540d<\/p>\n<p data-pid=\"X5B3cSHx\">\u7565<\/p>\n<p data-pid=\"lsss6f7z\">2\uff09\u5173\u95ed\u672c\u5b9e\u9a8c\u4e2d\u672a\u4f7f\u7528\u7684\u63a5\u53e3<\/p>\n<p data-pid=\"NHLZkUb7\">\u7565<\/p>\n<p data-pid=\"mUoLgd2D\">3\uff09\u914d\u7f6eAR1\u7684GE0\/0\/2\u3001Loopback0\u3001Loopback1\u63a5\u53e3IP\u5730\u5740<\/p>\n<p data-pid=\"Ks7V8IKG\">4\uff09\u914d\u7f6eAR2\u7684GE0\/0\/1\u3001GE0\/0\/2\u3001GE0\/0\/3\u3001Loopback0\u63a5\u53e3IP\u5730\u5740<\/p>\n<p data-pid=\"VnO2i-aK\">5\uff09\u914d\u7f6eAR3\u7684GE0\/0\/2\u3001GE0\/0\/3\u3001Loopback0\u63a5\u53e3IP\u5730\u5740<\/p>\n<p data-pid=\"T0GXLVw0\">6\uff09\u914d\u7f6eAR4\u7684GE0\/0\/1\u3001GE0\/0\/3\u3001Loopback0\u63a5\u53e3IP\u5730\u5740<\/p>\n<p data-pid=\"CJM7hkz3\">7\uff09\u5728AR2\u3001AR3\u4e0a\u68c0\u6d4b\u4e92\u8054\u5730\u5740\u8fde\u901a\u6027<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30790\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-68\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-cdd057339474dd67c26aac99a24e58cc_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-68\" width=\"643\" height=\"171\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30794\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-69\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-96925ce1bbb9f107c3450b961fc4d942_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-69\" width=\"645\" height=\"169\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-96925ce1bbb9f107c3450b961fc4d942_1440w.webp.jpg 645w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-96925ce1bbb9f107c3450b961fc4d942_1440w.webp-300x79.jpg 300w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30793\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-70\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-1df0e8cbda9581564ec9898dac51bc48_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-70\" width=\"636\" height=\"170\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30795\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-71\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-79f8136c3d7db6f06ea6056a0f8a4d21_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-71\" width=\"643\" height=\"168\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_51\" data-into-catalog-status=\"\">10.5.2 \u6b65\u9aa4 \uff12 \u914d\u7f6eAS64511\u7684OSPF<\/h3>\n<p data-pid=\"KlJYIdHO\">R1\u3001R2\u3001R3\u3001R4\u4f7f\u7528Loopback0\u63a5\u53e3\u5730\u5740\u4f5c\u4e3aRouter ID\uff0c\u5728\u5404\u4e2a\u8bbe\u5907\u7684\u4e92\u8054\u63a5\u53e3\u3001Loopback0\u63a5\u53e3\u6fc0\u6d3bOSPF\u3002<\/p>\n<p data-pid=\"eGjtHRdV\">\u914d\u7f6eR1<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30796\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-72\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-76c3d131f26957fcf3562ae54f1a9bce_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-72\" width=\"652\" height=\"97\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-76c3d131f26957fcf3562ae54f1a9bce_1440w.webp.jpg 652w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-76c3d131f26957fcf3562ae54f1a9bce_1440w.webp-300x45.jpg 300w\" sizes=\"auto, (max-width: 652px) 100vw, 652px\" \/><\/div>\n<\/figure>\n<p data-pid=\"OE0davPY\">\u914d\u7f6eR2<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30797\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-73\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-2364050415115569d2867905ab585d85_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-73\" width=\"644\" height=\"143\" \/><\/div>\n<\/figure>\n<p data-pid=\"Q1kYAfb1\">\u914d\u7f6eR3<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30798\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-74\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-539b0cb570faca707918c3894e8f71e9_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-74\" width=\"643\" height=\"115\" \/><\/div>\n<\/figure>\n<p data-pid=\"ISzr-tiG\">\u914d\u7f6eR4<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30799\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-75\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-8a4cecaa5d5ee653c5d075228eac4209_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-75\" width=\"644\" height=\"115\" \/><\/div>\n<\/figure>\n<p data-pid=\"4-uKy8bG\">\u5728R2\u3001R3\u4e0a\u68c0\u67e5OSPF\u90bb\u5c45\u7684\u6982\u8981\u4fe1\u606f<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30800\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-76\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-676b38f361f7599c3819288de17358a3_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-76\" width=\"640\" height=\"160\" \/><\/div>\n<\/figure>\n<p data-pid=\"NxZZZoNS\">\u5728R4\u4e0a\u67e5\u770bOSPF\u8def\u7531\u8868<\/p>\n<p data-pid=\"6W5CDJgN\">\u4ece\u8f93\u51fa\u4fe1\u606f\u53ef\u4ee5\u5f97\u77e5R4\u5df2\u7ecf\u5b66\u4e60\u5230\u4e86\u5168\u7f51\u7684\u8def\u7531\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30801\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-77\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-78a549e12ecf1a984228c42df0e1ce6d_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-77\" width=\"643\" height=\"144\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_52\" data-into-catalog-status=\"\">10.5.3 \u6b65\u9aa4 \uff13 \u914d\u7f6eIBGP\u5bf9\u7b49\u4f53<\/h3>\n<p data-pid=\"KL3Q1kJP\">\u914d\u7f6eAS\u5185\u57fa\u4e8eLoopback0\u63a5\u53e3\u5efa\u7acbIBGP\u5bf9\u7b49\u4f53\u5173\u7cfb\u3002<\/p>\n<p data-pid=\"S7QhRuZh\">\u914d\u7f6eR1<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30802\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-78\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-69193e5d6dd9d0eaa8374498f95484ff_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-78\" width=\"648\" height=\"127\" \/><\/div>\n<\/figure>\n<p data-pid=\"NKjiB_Fw\">\u914d\u7f6eR2<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30803\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-79\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b33b328c95565b9ad64c4b38284f9948_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-79\" width=\"647\" height=\"236\" \/><\/div>\n<\/figure>\n<p data-pid=\"XdvtDfmJ\">\u914d\u7f6eR3<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30804\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-80\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-7b02883ba94a7d7dffef4f378befce5d_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-80\" width=\"649\" height=\"210\" \/><\/div>\n<\/figure>\n<p data-pid=\"ddD9elS6\">\u914d\u7f6eR4<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30805\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-81\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-bf4ef2ac3fa014ab4d5d561eae659bd8_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-81\" width=\"649\" height=\"207\" \/><\/div>\n<\/figure>\n<p data-pid=\"Xp_rK2Zu\">\u5728R2\u3001R3\u4e0a\u68c0\u67e5IBGP\u5bf9\u7b49\u4f53\u72b6\u6001<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30806\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-82\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b338aa7bc1ee67e1c89ac28a9898c3c1_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-82\" width=\"695\" height=\"244\" \/><\/div>\n<\/figure>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30807\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-83\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-5d0ec34fc752606993d7d95e3a3caf25_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-83\" width=\"694\" height=\"209\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_53\" data-into-catalog-status=\"\">10.5.4 \u6b65\u9aa4 \uff14 \u914d\u7f6e\u8def\u7531\u53cd\u5c04\u5668<\/h3>\n<p data-pid=\"wmVhowqm\">R2\u4e0a\u5c06R1\u914d\u7f6e\u4e3a\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aef<\/p>\n<ul>\n<li data-pid=\"mKDLekJm\">[AR2]bgp 64511<\/li>\n<li data-pid=\"Glt4CVvI\">[AR2-bgp]peer 10.0.12.1 reflect-client<\/li>\n<\/ul>\n<p data-pid=\"YgKsGUeG\">#R3\u4e0a\u5c06R2\u914d\u7f6e\u4e3a\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aef<\/p>\n<ul>\n<li data-pid=\"hGxILBJH\">[AR3]bgp 64511<\/li>\n<li data-pid=\"tYIMnHL5\">[AR3-bgp]peer 10.0.23.2 reflect-client<\/li>\n<\/ul>\n<p data-pid=\"BaRETvD3\">#R4\u4e0a\u5c06R3\u914d\u7f6e\u4e3a\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aef<\/p>\n<ul>\n<li data-pid=\"4CFyS2K7\">[AR4]bgp 64511<\/li>\n<li data-pid=\"ZkPNFup_\">[AR4-bgp]peer 10.0.34.3 reflect-client<\/li>\n<\/ul>\n<h3 id=\"h_574615281_54\" data-into-catalog-status=\"\">10.5.5 \u6b65\u9aa4 \uff15 \u9a8c\u8bc1Orginator_ID\u5b9e\u73b0\u8def\u7531\u9632\u73af<\/h3>\n<p data-pid=\"JWeg82zo\">\u5728\u672c\u6b65\u9aa4\u4e2d\uff0c\u6211\u4eec\u5c06\u5728R2\u4e0a\u53d1\u5e03BGP\u8def\u753110.2.2.0\/24\uff0c\u5e76\u89c2\u5bdf\u8be5\u8def\u7531\u4f9d\u6b21\u7ecf\u8def\u7531\u53cd\u5c04\u5668R3\u3001R4\u53cd\u5c04\u540e\uff0c\u88ab\u901a\u544a\u56deR2\u4ece\u800c\u5f15\u53d1\u6f5c\u5728\u8def\u7531\u73af\u8def\u98ce\u9669\u7684\u60c5\u51b5\u3002<\/p>\n<p data-pid=\"o6BHc1h2\">\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0cR2\u53d1\u5e03BGP\u8def\u7531\u540e\uff0c\u8be5\u8def\u7531\u5c06\u88abR2\u76f4\u63a5\u901a\u544a\u7ed9R4\uff0c\u53e6\u4e00\u65b9\u9762\u4e5f\u4f1a\u901a\u8fc7R3\u53cd\u5c04\u7ed9R4\uff0c\u6b64\u65f6R4\u5c06\u4f18\u9009R2\u76f4\u63a5\u901a\u544a\u8fc7\u6765\u7684\u8def\u7531\uff0c\u4ece\u800c\u4e0d\u4f1a\u518d\u5c06R3\u53cd\u5c04\u8fc7\u6765\u7684\u8def\u7531\u518d\u53cd\u5c04\u56de\u7ed9R2\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5728R2\u4e0a\u90e8\u7f72\u8def\u7531\u7b56\u7565\uff0c\u4f7fR2\u4e0d\u76f4\u63a5\u5411R4\u901a\u544a10.2.2.0\/24\u8def\u7531\u3002<\/p>\n<p data-pid=\"qBoarVVw\">#\u914d\u7f6e\u8def\u7531\u7b56\u7565<\/p>\n<ul>\n<li data-pid=\"EYILkTAd\">[AR2]acl number 2000<\/li>\n<li data-pid=\"o9SLs_8e\">[AR2-acl-basic-2000]rule 5 permit<\/li>\n<\/ul>\n<ul>\n<li data-pid=\"EHuZQd5C\">[AR2]route-policy bgp deny node 10<\/li>\n<li data-pid=\"zQFyFOuW\">[AR2-route-policy]if-match acl 2000<\/li>\n<\/ul>\n<p data-pid=\"hTT0ohkU\"><b>#\u5728BGP\u4e2d\u8c03\u7528\u8def\u7531\u7b56\u7565<\/b><\/p>\n<p data-pid=\"ZOtTizwd\">[AR2]bgp 64511<\/p>\n<p data-pid=\"GAQGeR34\">[AR2-bgp]peer 10.0.24.4 route-policy bgp export<\/p>\n<p data-pid=\"xFW4_B-F\"><b>#\u5728R2\u4e0a\u53d1\u5e03\u8def\u7531<\/b><\/p>\n<p data-pid=\"gBbjP-w8\">[AR2-bgp]network 10.2.2.0 24<\/p>\n<p data-pid=\"LRDQBV-F\">#R2\u4e0a\u67e5\u770bBGP\u8def\u753110.2.2.0\/24\u7684\u660e\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"Ih_B23ZZ\">R2\u5c06\u8be5\u6761\u8def\u7531\u901a\u544a\u7ed9\u4e86R3\u3001R1\uff0c\u4f46\u662f\u5e76\u672a\u901a\u544a\u7ed9R4\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30808\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-84\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-cfe0445aaf0f363ad95f0ea48f0ddd98_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-84\" width=\"696\" height=\"263\" \/><\/div>\n<\/figure>\n<p data-pid=\"YZEKIOw3\"><b>#R3\u4e0a\u67e5\u770bBGP\u8def\u753110.2.2.0\/24\u7684\u660e\u7ec6\u4fe1\u606f<\/b><\/p>\n<p data-pid=\"w-sZa6Qx\">R3\u5c06\u6765\u81ea\u53cd\u5c04\u5668\u5ba2\u6237\u7aef\u7684BGP\u8def\u753110.2.2.0\/24\u53cd\u5c04\u7ed9\u4e8610.0.34.4\uff08R4\uff09\u3002\u540c\u65f6\u8be5BGP\u8def\u7531\u7684nexthop\u4e3a10.0.23.2\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30809\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-85\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-f7e906402e1903c35e07d3cfd1df30c5_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-85\" width=\"694\" height=\"275\" \/><\/div>\n<\/figure>\n<p data-pid=\"mxNpYG-R\"><b># R4\u4e0a\u67e5\u770bBGP\u8def\u753110.2.2.0\/24\u7684\u660e\u7ec6\u4fe1\u606f<\/b><\/p>\n<p data-pid=\"kV39RNYX\">\u8be5\u6761\u8def\u7531\u6765\u81ea\u53cd\u5c04\u5668\u5ba2\u6237\u7aefR3\uff0c\u539f\u59cb\u8def\u7531\u7ecf\u7531R3\u53cd\u5c04\uff0c\u8def\u7531\u7684nexthop\u5730\u5740\u5e76\u672a\u6539\u53d8\uff0c\u540c\u65f6R3\u4e3a\u5176\u6dfb\u52a0\u4e86Orginator_ID\u5c5e\u6027\uff0c\u503c\u4e3a10.2.2.2\u3002\u540c\u65f6R4\u5c06\u8be5\u6761\u8def\u7531\u53cd\u5c04\u7ed9\u4e86R2\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30810\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-86\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-b797abd3363ff5ada460976658ee2af7_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-86\" width=\"696\" height=\"306\" \/><\/div>\n<\/figure>\n<p data-pid=\"uUHGb7WD\"><b>#\u518d\u6b21\u5728R2\u4e0a\u67e5\u770bBGP\u8def\u753110.2.2.0\/24\u7684\u660e\u7ec6\u4fe1\u606f<\/b><\/p>\n<p data-pid=\"a0sHBLiD\">\u4f9d\u65e7\u53ea\u5b58\u5728\u672c\u5730\u901a\u544a\u7684BGP\u8def\u7531\uff0c\u6ca1\u6709R4\u901a\u544a\u7684BGP\u8def\u7531\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30812\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-87\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-085a8311448cd35cc6f41d3591a6092e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-87\" width=\"700\" height=\"262\" \/><\/div>\n<\/figure>\n<p data-pid=\"KnLRSVS7\"><b>#\u5728R2\u4e0a\u67e5\u770bBGP\u5bf9\u7b49\u4f5310.0.24.4\u7684\u8be6\u7ec6\u4fe1\u606f<\/b><\/p>\n<p data-pid=\"HBmJUkQS\">\u4ece\u8f93\u51fa\u4fe1\u606f\u53ef\u4ee5\u770b\u5230R2\u4eceR4\u6536\u5230\u4e861\u4e2aUpdate\u62a5\u6587\uff0c\u672a\u5411R4\u53d1\u9001Update\u62a5\u6587\uff08\u8def\u7531\u7b56\u7565\u9650\u5236\uff09\uff0c\u4f46\u662f\u672c\u5730BGP\u8def\u7531\u8868\u4e2d\u4e0d\u5b58\u5728\u7531R4\u901a\u544a\u7684BGP\u8def\u753110.2.2.0\/24\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30811\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-88\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-824e9e2557e9e84e5880be273091756b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-88\" width=\"695\" height=\"849\" \/><\/div>\n<\/figure>\n<p data-pid=\"Jrq2IpGc\"><b>#\u5728R2\u4e0a\u89e6\u53d1\u5165\u65b9\u5411\u7684\u8f6f\u590d\u4f4d\uff0c\u8ba9R4\u91cd\u65b0\u53d1\u9001Update\u62a5\u6587<\/b><\/p>\n<p data-pid=\"u0S7Ah3z\">&lt;AR2&gt;refresh bgp 10.0.24.4 import<\/p>\n<p data-pid=\"079_6zBl\"><b>#\u518d\u6b21\u67e5\u770bR2\u4e0aUpdate\u62a5\u6587\u6536\u53d1\u6570\u91cf<\/b><\/p>\n<p data-pid=\"B5LuJPUn\">\u63a5\u6536\u7684Update\u62a5\u6587\u6570\u91cf\u589e\u52a0\uff0cR2\u4eceR4\u6536\u5230\u4e86BGP\u8def\u753110.2.2.0\/24\u7684\u901a\u544a\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30813\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-89\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-5604f0a3d2fbe2a03b70e97d4c481dfc_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-89\" width=\"698\" height=\"84\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-5604f0a3d2fbe2a03b70e97d4c481dfc_1440w.webp.jpg 698w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-5604f0a3d2fbe2a03b70e97d4c481dfc_1440w.webp-300x36.jpg 300w\" sizes=\"auto, (max-width: 698px) 100vw, 698px\" \/><\/div>\n<\/figure>\n<p data-pid=\"SZymMF8x\">#\u518d\u6b21\u67e5\u770bR2\u4e0aBGP\u8def\u753110.2.2.0\/24\u7684\u660e\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"J5Dc1vqR\">\u4f9d\u65e7\u53ea\u6709\u672c\u5730\u53d1\u5e03\u76841\u6761BGP\u8def\u7531\uff0cR4\u901a\u544a\u7684BGP\u8def\u7531Orginator_ID\u5c5e\u6027\u503c\u4e0e\u672c\u5730\u7684Router ID\u4e00\u81f4\uff0cR2\u5ffd\u7565\u4e86\u8be5\u8def\u7531\u901a\u544a\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30815\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-90\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-336978fb3eeee76d12d5c34962518886_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-90\" width=\"696\" height=\"259\" \/><\/div>\n<\/figure>\n<h3 id=\"h_574615281_55\" data-into-catalog-status=\"\">10.5.6 \u6b65\u9aa4 \uff16 \u9a8c\u8bc1Cluster_List\u5b9e\u73b0\u8def\u7531\u9632\u73af<\/h3>\n<p data-pid=\"x1YR1PY5\">\u4e3a\u4e86\u65b9\u4fbf\u89c2\u5bdf\u73b0\u8c61\uff0c\u53d6\u6d88R2\u4e0a\u7684BGP\u8def\u7531\u53d1\u5e03\uff0c\u5728R1\u4e0a\u5c06Loopback1\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP\uff0c\u89c2\u5bdfCluster_List\u5982\u4f55\u9632\u6b62\u73af\u8def\u3002<\/p>\n<p data-pid=\"yuSBmtEb\">#\u53d6\u6d88R2\u4e0a\u7684BGP\u8def\u7531\u53d1\u5e03<\/p>\n<ul>\n<li data-pid=\"jqkYHwRL\">[AR2]bgp 64511<\/li>\n<li data-pid=\"uiZkEsym\">[AR2-bgp]un network 192.168.2.0<\/li>\n<\/ul>\n<p data-pid=\"HIF62AMZ\">#\u5728R1\u4e0a\u5c06Loopback1\u63a5\u53e3\u8def\u7531\u53d1\u5e03\u5230BGP<\/p>\n<ul>\n<li data-pid=\"zEXGxBKv\">[AR1]bgp 64511<\/li>\n<li data-pid=\"wcttyhEu\">[AR1-bgp]network 192.168.1.0 24<\/li>\n<\/ul>\n<p data-pid=\"oRpKjqx2\">#\u4f9d\u6b21\u5728R1\u3001R2\u3001R3\u3001R4\u4e0a\u67e5\u770bBGP\u8def\u753110.1.1.0 \/24\u7684\u660e\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"6hnU5uxt\">R1\u4e3aBGP\u8def\u753110.1.1.0\/24\u7684\u59cb\u53d1\u8005\uff0cR1\u5c06\u8def\u7531\u901a\u544a\u7ed9\u4e86R2\uff0810.0.12.2\uff09\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30816\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-91\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-3a2242e9737b40a7bcc37a9c4505e981_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-91\" width=\"697\" height=\"242\" \/><\/div>\n<\/figure>\n<p data-pid=\"tgLRg5bX\">\u6765\u81ea\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aefR1\u7684BGP\u8def\u753110.1.1.0\/24\uff0cR2\u5c06\u5176\u53cd\u5c04\u7ed9\u4e86R3\uff0810.0.23.3\uff09\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30814\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-92\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-2a7ca81db443f396e3e87d6d71ed4a60_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-92\" width=\"692\" height=\"274\" \/><\/div>\n<\/figure>\n<p data-pid=\"-K-WRm2A\">\u6765\u81ea\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aefR2\u7684BGP\u8def\u753110.1.1.0\/24\uff0cR2\u53cd\u5c04\u65f6\u6dfb\u52a0\u4e86Cluster_List\u5c5e\u6027\uff0c\u503c\u4e3a10.2.2.2\uff0cR3\u5c06\u8be5\u6761\u8def\u7531\u53cd\u5c04\u7ed9\u4e86R4\uff0810.0.34.4\uff09\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30817\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-93\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-c985b64e001861594b07c319fb580ad8_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-93\" width=\"695\" height=\"307\" \/><\/div>\n<\/figure>\n<p data-pid=\"wh4RpeQa\">\u6765\u81ea\u8def\u7531\u53cd\u5c04\u5668\u5ba2\u6237\u7aefR3\u7684BGP\u8def\u753110.1.1.0\/24\uff0cR3\u53cd\u5c04\u65f6\u6dfb\u52a0\u4e86Cluster_List\u5c5e\u6027\u7684\u503c\uff0c\u5f53\u524d\u503c\u4e3a10.0.3.3\uff0c10.0.2.2\uff0cR4\u5c06\u8be5\u6761\u8def\u7531\u53cd\u5c04\u7ed9\u4e86R2\uff0810.0.24.2\uff09\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30818\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-94\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-5139d98b84241720d4c1f81e61c47126_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-94\" width=\"693\" height=\"309\" \/><\/div>\n<\/figure>\n<p data-pid=\"d5OzQ95i\"><b>#\u518d\u6b21\u67e5\u770bR2\u7684BGP\u8def\u7531\u8868<\/b><\/p>\n<p data-pid=\"pDkmqg2K\">R2\u7684BGP\u8def\u7531\u8868\u4e2d\u4f9d\u65e7\u53ea\u6709\u4e00\u6761\u6765\u81ea10.0.12.1\u7684BGP\u8def\u753110.1.1.0\/24\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30819\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-95\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-53661738a7abea460e1aa013d176e143_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-95\" width=\"693\" height=\"194\" \/><\/div>\n<\/figure>\n<p data-pid=\"p3voYnBM\">#\u5728R2\u4e0a\u67e5\u770bBGP\u5bf9\u7b49\u4f5310.0.24.4\u7684\u8be6\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"nXGW3yGn\">R2\u4eceR4\u6536\u5230\u4e861\u4e2aUpdate\u62a5\u6587\uff0c\u672a\u5411R4\u53d1\u9001Update\u62a5\u6587\uff08\u8def\u7531\u7b56\u7565\u9650\u5236\uff09\uff0c\u4f46\u662f\u672c\u5730BGP\u8def\u7531\u8868\u4e2d\u6ca1\u6709R4\u901a\u544a\u7684BGP\u8def\u753110.1.1.0\/24\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30820\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-96\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-17486905a633b6706a988c41f49f23b6_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-96\" width=\"695\" height=\"850\" \/><\/div>\n<\/figure>\n<p data-pid=\"umriNuBX\"><b>#\u5728R2\u4e0a\u89e6\u53d1\u5165\u65b9\u5411\u7684\u8f6f\u590d\u4f4d\uff0c\u8ba9R4\u91cd\u65b0\u53d1\u9001Update\u62a5\u6587<\/b><\/p>\n<p data-pid=\"L-v49Ebv\">&lt;AR2&gt;refresh bgp 10.0.24.4 import<\/p>\n<p data-pid=\"XErAB7Dm\"><b>#\u518d\u6b21\u67e5\u770bR2\u4e0aUpdate\u62a5\u6587\u6536\u53d1\u6570\u91cf<\/b><\/p>\n<p data-pid=\"OcbVFDzV\">\u63a5\u6536\u7684Update\u62a5\u6587\u6570\u91cf\u589e\u52a0\uff0cR2\u4eceR4\u6536\u5230\u4e86BGP\u8def\u753110.1.1.0\/24\u7684\u901a\u544a\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30821\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-97\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-24ba0b0182b6b7c1bcf1d7013fa57c3b_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-97\" width=\"692\" height=\"85\" srcset=\"https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-24ba0b0182b6b7c1bcf1d7013fa57c3b_1440w.webp.jpg 692w, https:\/\/idc.net\/help\/wp-content\/uploads\/2023\/08\/v2-24ba0b0182b6b7c1bcf1d7013fa57c3b_1440w.webp-300x37.jpg 300w\" sizes=\"auto, (max-width: 692px) 100vw, 692px\" \/><\/div>\n<\/figure>\n<p data-pid=\"cBqmKM4E\">#\u518d\u6b21\u67e5\u770bR2\u4e0aBGP\u8def\u7531192.168.1.0 24\u7684\u660e\u7ec6\u4fe1\u606f<\/p>\n<p data-pid=\"dF_hOtdE\">\u4f9d\u65e7\u53ea\u6709\u6765\u81eaR1\u901a\u544a\u76841\u6761BGP\u8def\u7531\uff0cR4\u901a\u544a\u7684BGP\u8def\u7531\u5176Cluster_List\u5c5e\u6027\u503c\u4e2d\u5305\u542b\u4e86R2\u7684Cluster-ID\uff0cR2\u5ffd\u7565\u4e86\u8be5\u8def\u7531\u901a\u544a\u3002<\/p>\n<figure data-size=\"normal\">\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-30822\" title=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-98\" src=\"http:\/\/blog.idc.net\/wp-content\/uploads\/2023\/08\/v2-c21f0c5db9129fca76b4dad3422d6d7e_1440w.webp.jpg\" alt=\"BGP\u539f\u7406\u4e0e\u914d\u7f6e-98\" width=\"696\" height=\"276\" \/><\/div>\n<\/figure>\n<p data-pid=\"dkKoFSNX\"><b>\u601d\u8003\u9898<\/b><\/p>\n<p data-pid=\"qj0KXtzn\">BGP\u5c06\u8def\u7531\u4f20\u9012\u7ed9EBGP\u5bf9\u7b49\u4f53\u65f6\u662f\u5426\u643a\u5e26Originator_ID\u3001Cluster_List\u5c5e\u6027\uff1f<\/p>\n<p data-pid=\"U4zuc0yH\">1. \u5e76\u4e0d\u4f1a\u643a\u5e26\uff0cOriginator_ID\u3001Cluster_List\u7528\u4e8eAS\u5185\u5b58\u5728RR\u7684\u573a\u666f\u4e2d\u9632\u6b62\u73af\u8def\uff0cEBGP\u5bf9\u7b49\u4f53\u4e4b\u95f4\u4f7f\u7528AS_Path\u8fdb\u884c\u9632\u73af\uff0c\u65e0\u9700\u4f9d\u8d56\u8fd9\u4e24\u4e2a\u5c5e\u6027\u3002<\/p>\n<p data-pid=\"B0Wa-EKT\">\u5341\u4e09\u3001<span class=\"nolink\">BGP<\/span>\u8def\u7531\u4f18\u9009\u5b9e\u9a8c<\/p>\n<h3 id=\"h_574615281_56\" data-into-catalog-status=\"\">1\u3001\u5b66\u4e60\u76ee\u6807<\/h3>\n<ul>\n<li data-pid=\"VTvrDopN\">\u5b9e\u73b0\u901a\u8fc7\u4fee\u6539AS-Path\u5c5e\u6027\u6765\u5f71\u54cd\u8def\u5f84\u9009\u62e9<\/li>\n<li data-pid=\"CM_pA75r\">\u5b9e\u73b0\u901a\u8fc7\u4fee\u6539Local_Preference\u5c5e\u6027\u6765\u5f71\u54cd\u8def\u5f84\u9009\u62e9<\/li>\n<li data-pid=\"mHjL1iP8\">\u5b9e\u73b0\u901a\u8fc7\u4fee\u6539MED\u5c5e\u6027\u6765\u5f71\u54cd\u8def\u5f84\u9009\u62e9<\/li>\n<li data-pid=\"XGmixfr9\">\u5b9e\u73b0\u901a\u8fc7\u4fee\u6539preferred-value\u5c5e\u6027\u6765\u5f71\u54cd\u8def\u5f84\u9009\u62e9<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u4e13\u4e1a\u672f\u8bed BGP\uff08Border Gateway Protocol\uff0c\u8fb9\u754c\u7f51\u5173\u8def\u7531\u534f\u8bae\uff09 \u7528\u4e8eAS\u4e4b\u95f4\u4f20\u9012\u8def\u7531 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6989],"tags":[],"class_list":["post-30724","post","type-post","status-publish","format-standard","hentry","category-datacenter"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/30724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=30724"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/30724\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=30724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=30724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=30724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}