{"id":1582,"date":"2011-09-01T03:58:21","date_gmt":"2011-08-31T19:58:21","guid":{"rendered":"http:\/\/www.slyar.com\/blog\/?p=1582"},"modified":"2022-07-03T15:51:38","modified_gmt":"2022-07-03T22:51:38","slug":"ccnp-labs-bgp-confederation","status":"publish","type":"post","link":"http:\/\/www.slyar.com\/blog\/ccnp-labs-bgp-confederation.html","title":{"rendered":"CCNP\u5b9e\u9a8c:BGP\u8def\u7531\u9ed1\u6d1e\u4e4b\u8def\u4e4b\u8054\u90a6(BGP Confederation)\u89e3\u51b3"},"content":{"rendered":"<p>\u6587\u7ae0\u4f5c\u8005\uff1a<span style=\"color: #0000ff;\">\u59dc\u5357(Slyar) <\/span>\u6587\u7ae0\u6765\u6e90\uff1aSlyar Home (<a title=\"Slyar\" href=\"http:\/\/www.slyar.com\" target=\"_blank\" rel=\"noopener\">www.slyar.com<\/a>) \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff0c\u8c22\u8c22\u5408\u4f5c\u3002<\/p>\n<p><span style=\"color: #0000ff;\">\u3010\u5b9e\u9a8c\u73af\u5883\u3011<\/span><\/p>\n<p>C3640-IK9O3S-M Version 12.4(10)<\/p>\n<p><span style=\"color: #0000ff;\">\u3010\u5b9e\u9a8c\u76ee\u7684\u3011<\/span><\/p>\n<p>\u91c7\u7528\u8054\u90a6(BGP Confederation)\u89e3\u51b3\u7531IBGP\u6c34\u5e73\u5206\u5272\u5bfc\u81f4\u7684BGP\u8def\u7531\u9ed1\u6d1e\u95ee\u9898<\/p>\n<p><span style=\"color: #0000ff;\">\u3010\u5b9e\u9a8c\u62d3\u6251\u3011<\/span><\/p>\n<p><a href=\"http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/09\/2011-09-01_025530.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1583\" title=\"BGP\u8054\u90a6\" src=\"http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/09\/2011-09-01_025530.png\" alt=\"\" width=\"643\" height=\"332\" srcset=\"http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/09\/2011-09-01_025530.png 643w, http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/09\/2011-09-01_025530-150x77.png 150w, http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/09\/2011-09-01_025530-300x155.png 300w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/a><\/p>\n<p><span style=\"color: #0000ff;\">\u3010\u5b9e\u9a8c\u63cf\u8ff0\u3011<\/span><\/p>\n<p>R1\u3001R2\u3001R4\u3001R5\u8dd1BGP\u534f\u8bae\uff0cR2\u3001R3\u3001R4\u8dd1OSPF\u534f\u8bae\u3002\u76ee\u6807\u662f\u4f7f1.1.1.1&lt;-&gt;5.5.5.5\u53ef\u4ee5\u4e92\u76f8\u8bbf\u95ee<\/p>\n<p>IBGP\u90bb\u5c45\u5173\u7cfb\u91c7\u7528\u56de\u73af\u53e3\u8fdb\u884c\u5efa\u7acb<\/p>\n<p>R1&lt;-&gt;R2\u3001R4&lt;-&gt;R5\u4e4b\u95f4\u4f7f\u7528\u76f4\u8fde\u63a5\u53e3\u5efa\u7acbEBGP\u5173\u7cfb<\/p>\n<p>\u6570\u636e\u5c42\u9762\u7684BGP\u8def\u7531\u9ed1\u6d1e\u95ee\u9898\uff1a\u7531\u4e8eR3\u6ca1\u6709\u8dd1BGP\uff0c\u56e0\u6b64R2\u548cR4\u5747\u4e0d\u4f1a\u5c06\u8def\u7531\u6761\u76ee\u4f20\u7ed9R3\uff0c\u56e0\u6b64R3\u6ca1\u67091.1.1.1\u548c5.5.5.5\u7684\u8def\u7531\uff0c\u5bfc\u81f4\u8def\u7531\u9ed1\u6d1e\u3002\u5982\u679c\u5728R3\u4e0a\u8dd1BGP\uff0c\u4e0eR2\u548cR4\u5efa\u7acbIBGP\u5173\u7cfb\uff0c\u53c8\u4f1a\u56e0\u4e3aIBGP\u6c34\u5e73\u5206\u5272\u5bfc\u81f4R2\u3001R4\u8def\u7531\u5b66\u4e60\u4e0d\u5b8c\u6574\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u5c06AS 3\u5185\u90e8\u5212\u5206\u4e3a2\u4e2a\u5b50AS\uff0c\u4f7f\u7528\u79c1\u6709BGP AS 65011\u548c65013\uff0c\u6b64\u65f6R3\u4e0eR4\u4e4b\u95f4\u7684\u5173\u7cfb\u5c31\u6210\u4e3aEBGP\uff0c\u4ece\u800c\u6253\u7834IBGP\u7684\u6c34\u5e73\u5206\u5272\u6cd5\u5219\uff0c\u89e3\u51b3\u8def\u7531\u9ed1\u6d1e\uff0c\u8fd9\u4e9b\u79c1\u6709AS\u5c31\u53eb\u505a\u8054\u90a6(Confederation)\uff0c\u540c\u65f6\u5bf9\u4e8eAS 1\u548cAS 5\u6765\u8bf4\uff0c\u8054\u90a6\u662f\u900f\u660e\u7684\uff0c\u5728\u4ed6\u4eec\u770b\u6765\uff0cAS 3\u4f9d\u65e7\u662fAS 3<\/p>\n<p>\u505a\u8054\u90a6\u7684\u6b65\u9aa4\uff1a<\/p>\n<p>1\u3001\u5c06\u8def\u7531\u5668\u5212\u5206\u7ec4\u5408\u4e3a\u4e0d\u540c\u7684\u5c0fAS<\/p>\n<p>2\u3001\u5728\u5927AS\u7684\u8fb9\u754c\u8def\u7531\u5668\u4e0a\u58f0\u660e\u6240\u5904\u7684\u5927AS\u53f7<\/p>\n<p>3\u3001\u5728\u5c0fAS\u8fb9\u754c\u8def\u7531\u5668\u4e4b\u95f4\u5efa\u7acb\u8054\u90a6EBGP\u5173\u7cfb\uff0c\u5e76\u4e92\u6307Peer<\/p>\n<p>\u6ce8\u610f\uff1a<\/p>\n<p>\u8054\u90a6AS\u4e0d\u4f5c\u4e3aBGP\u9009\u8def\u6807\u51c6\uff0c\u4ec5\u4ee5\u5927AS\u4e3a\u51c6(\u5728BGP\u8def\u7531\u8868\u4e2d\u8054\u90a6AS\u7528\u62ec\u53f7\u6807\u8bc6)<\/p>\n<p><!--more--><span style=\"color: #0000ff;\">\u3010\u5b9e\u9a8c\u6b65\u9aa4\u3011<\/span><\/p>\n<p><span style=\"color: #0000ff;\">1\u3001R1\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3:<\/span><\/p>\n<p>!<br \/>\ninterface Loopback0<br \/>\nip address 1.1.1.1 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/0<br \/>\nip address 12.0.0.1 255.255.255.0<br \/>\nclock rate 64000<br \/>\n!<\/p>\n<p><span style=\"color: #0000ff;\">2\u3001R2\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3\uff0cOSPF:<\/span><\/p>\n<p>!<br \/>\ninterface Loopback0<br \/>\nip address 2.2.2.2 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/0<br \/>\nip address 12.0.0.2 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/1<br \/>\nip address 23.0.0.1 255.255.255.0<br \/>\nclock rate 64000<br \/>\n!<br \/>\nrouter ospf 110<br \/>\nrouter-id 2.2.2.2<br \/>\nnetwork 2.2.2.0 0.0.0.255 area 0<br \/>\nnetwork 23.0.0.1 0.0.0.0 area 0<br \/>\n!<\/p>\n<p><span style=\"color: #0000ff;\">3\u3001R3\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3\uff0cOSPF:<\/span><\/p>\n<p>!<br \/>\ninterface Loopback0<br \/>\nip address 3.3.3.3 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/0<br \/>\nip address 34.0.0.1 255.255.255.0<br \/>\nclock rate 64000<br \/>\n!<br \/>\ninterface Serial0\/1<br \/>\nip address 23.0.0.2 255.255.255.0<br \/>\n!<br \/>\nrouter ospf 110<br \/>\nrouter-id 3.3.3.3<br \/>\nnetwork 3.3.3.0 0.0.0.255 area 0<br \/>\nnetwork 23.0.0.2 0.0.0.0 area 0<br \/>\nnetwork 34.0.0.1 0.0.0.0 area 0<br \/>\n!<\/p>\n<p><span style=\"color: #0000ff;\">4\u3001R4\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3\uff0cOSPF:<\/span><\/p>\n<p>!<br \/>\ninterface Loopback0<br \/>\nip address 4.4.4.4 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/0<br \/>\nip address 34.0.0.2 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/1<br \/>\nip address 45.0.0.1 255.255.255.0<br \/>\nclock rate 64000<br \/>\n!<br \/>\nrouter ospf 110<br \/>\nrouter-id 4.4.4.4<br \/>\nnetwork 4.4.4.0 0.0.0.255 area 0<br \/>\nnetwork 34.0.0.2 0.0.0.0 area 0<br \/>\n!<\/p>\n<p><span style=\"color: #0000ff;\">5\u3001R5\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3:<\/span><\/p>\n<p>!<br \/>\ninterface Loopback0<br \/>\nip address 5.5.5.5 255.255.255.0<br \/>\n!<br \/>\ninterface Serial0\/1<br \/>\nip address 45.0.0.2 255.255.255.0<br \/>\n!<\/p>\n<p><span style=\"color: #0000ff;\">6\u3001\u5728R2\u548cR3\u4e0a\u521b\u5efa\u8054\u90a6AS 65011\uff0c\u5efa\u7acbIBGP\u5173\u7cfb<\/span><\/p>\n<p>\/\/R2\u4e0a\u521b\u5efaAS 65011<br \/>\nrouter bgp 65011<br \/>\nno synchronization<br \/>\nbgp router-id 2.2.2.2<br \/>\nneighbor 3.3.3.3 remote-as 65011<br \/>\nneighbor 3.3.3.3 update-source Loopback0<br \/>\nneighbor 3.3.3.3 next-hop-self<br \/>\nno auto-summary<\/p>\n<p>\/\/R3\u4e0a\u521b\u5efaAS 65011<br \/>\nrouter bgp 65011<br \/>\nno synchronization<br \/>\nbgp router-id 3.3.3.3<br \/>\nneighbor 2.2.2.2 remote-as 65011<br \/>\nneighbor 2.2.2.2 update-source Loopback0<br \/>\nno auto-summary<\/p>\n<p><span style=\"color: #0000ff;\">7\u3001\u5728R4\u4e0a\u521b\u5efa\u8054\u90a6AS 65013<\/span><\/p>\n<p>\/\/R4\u4e0a\u521b\u5efaAS 65013<br \/>\nrouter bgp 65013<br \/>\nno synchronization<br \/>\nbgp router-id 4.4.4.4<br \/>\nno auto-summary<\/p>\n<p><span style=\"color: #0000ff;\">8\u3001\u5728R2\u3001R3\u3001R4\u4e0a\u58f0\u660e\u81ea\u5df1\u7684\u5927AS\uff0c\u7136\u540e\u4e0eR1\u548cR5\u521b\u5efaEBGP\u5173\u7cfb<\/span><\/p>\n<p>\/\/R2\u4e0a\u914d\u7f6e\u8054\u90a6\u58f0\u660e<br \/>\nrouter bgp 65011<br \/>\n<span style=\"color: #ff0000;\">bgp confederation identifier 3<\/span><br \/>\nneighbor 12.0.0.1 remote-as 1<\/p>\n<p>\/\/R4\u4e0a\u914d\u7f6e\u8054\u90a6\u58f0\u660e<br \/>\nrouter bgp 65013<br \/>\n<span style=\"color: #ff0000;\">bgp confederation identifier 3<\/span><br \/>\nneighbor 45.0.0.2 remote-as 5<\/p>\n<p>\/\/R3\u4e0a\u914d\u7f6e\u8054\u90a6\u58f0\u660e<br \/>\nrouter bgp 65011<br \/>\n<span style=\"color: #ff0000;\">bgp confederation identifier 3<\/span><\/p>\n<p><span style=\"color: #0000ff;\">9\u3001\u5728R3\u548cR4\u7684\u8054\u90a6AS\u4e4b\u95f4\u901a\u8fc7\u73af\u56de\u53e3\u521b\u5efaEBGP\u5173\u7cfb\uff0c\u5e76\u4e92\u6307\u8054\u90a6Peer<\/span><\/p>\n<p>\/\/R3\u4e0a\u914d\u7f6eEBGP\u90bb\u5c45\u5e76\u6307\u5b9a\u8054\u90a6Peer<br \/>\nrouter bgp 65011<br \/>\n<span style=\"color: #ff0000;\">bgp confederation peers 65013<\/span><br \/>\nneighbor 4.4.4.4 remote-as 65013<br \/>\n<span style=\"color: #000000;\">\/\/\u7531\u4e8e\u4f7f\u7528\u56de\u73af\u53e3\u5efa\u7acb\u8054\u90a6EBGP\u5173\u7cfb\uff0c\u56e0\u6b64\u9700\u8981\u5c06\u9ed8\u8ba4TTL\u503c\u6539\u5927<\/span><br \/>\nneighbor 4.4.4.4 ebgp-multihop 2<br \/>\nneighbor 4.4.4.4 update-source Loopback0<\/p>\n<p>\/\/R4\u4e0a\u914d\u7f6eEBGP\u90bb\u5c45\u5e76\u6307\u5b9a\u8054\u90a6Peer<br \/>\nrouter bgp 65013<br \/>\n<span style=\"color: #ff0000;\">bgp confederation peers 65011<\/span><br \/>\nneighbor 3.3.3.3 remote-as 65011<br \/>\nneighbor 3.3.3.3 ebgp-multihop 2<br \/>\nneighbor 3.3.3.3 update-source Loopback0<br \/>\nneighbor 3.3.3.3 next-hop-self<\/p>\n<p><span style=\"color: #0000ff;\">10\u3001\u5728R3\u4e0a\u67e5\u770b\u8def\u7531\u8868<\/span><\/p>\n<p>R3#sh ip bgp<br \/>\nBGP table version is 4, local router ID is 3.3.3.3<br \/>\nNetwork\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Next Hop\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Metric LocPrf Weight Path<br \/>\n*&gt;i1.1.1.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.2.2.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0 100\u00a0\u00a0\u00a0\u00a0\u00a0 0 1 i<br \/>\n<span style=\"color: #800080;\">*\u00a0 5.5.5.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 45.0.0.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0 100\u00a0\u00a0\u00a0\u00a0\u00a0 0 (65013) 5 i<\/span><\/p>\n<p><span style=\"color: #ff0000;\">\u53d1\u73b05.5.5.0\/24\u6ca1\u6709best\uff0c\u4e0b\u4e00\u8df3\u5730\u5740\u4e0d\u53ef\u8fbe\u3002\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u4e00\u4e0b\u4e0d\u540c\uff0c\u5e38\u89c4EBGP\u7684\u4e0b\u4e00\u8df3\u662f\u5bf9\u7aef\u5730\u5740\uff0c\u4f46\u8054\u90a6\u4e4b\u95f4\u7684EBGP\u9700\u8981\u624b\u5de5next-hop-self<\/span><\/p>\n<p><span style=\"color: #ff0000;\">\/\/R3\u4e0a\u914d\u7f6e\u4e0b\u4e00\u8df3<\/span><br \/>\n<span style=\"color: #ff0000;\"> router bgp 65013<\/span><br \/>\n<span style=\"color: #ff0000;\"> neighbor 3.3.3.3 next-hop-self<\/span><\/p>\n<p>\u518d\u6b21\u67e5\u770b\u8def\u7531\u8868<\/p>\n<p>R3#sh ip bgp<br \/>\nBGP table version is 5, local router ID is 3.3.3.3<br \/>\nNetwork\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Next Hop\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Metric LocPrf Weight Path<br \/>\n*&gt;i1.1.1.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.2.2.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0 100\u00a0\u00a0\u00a0\u00a0\u00a0 0 1 i<br \/>\n<span style=\"color: #800080;\">*&gt; 5.5.5.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.4.4.4\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0 100\u00a0\u00a0\u00a0\u00a0\u00a0 0 (65013) 5 i<\/span><\/p>\n<p><span style=\"color: #0000ff;\">11\u3001\u9a8c\u8bc1R1\u548cR5\u56de\u73af\u53e3\u7684\u8fde\u901a\u6027<\/span><\/p>\n<p><span style=\"color: #ff0000;\">R1#ping 5.5.5.5 so 1.1.1.1<\/span><br \/>\nSending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:<br \/>\nPacket sent with a source address of 1.1.1.1<br \/>\n!!!!!<br \/>\nSuccess rate is 100 percent (5\/5), round-trip min\/avg\/max = 276\/316\/408 ms<\/p>\n<p><span style=\"color: #0000ff;\">12\u3001\u5728R2\u4e0a\u67e5\u770b5.5.5.0\/24\u8fd9\u6761\u8def\u7531<\/span><\/p>\n<p>R2#sh ip bgp 5.5.5.0\/24<br \/>\nBGP routing table entry for 5.5.5.0\/24, version 5<br \/>\nPaths: (1 available, best #1, table Default-IP-Routing-Table)<br \/>\n(65013) 5<br \/>\n4.4.4.4 (metric 129) from 3.3.3.3 (3.3.3.3)<br \/>\nOrigin IGP, metric 0, localpref 100, valid, <span style=\"color: #800080;\">confed-internal<\/span>, best<\/p>\n<p><span style=\"color: #0000ff;\">13\u3001\u5728R4\u4e0a\u67e5\u770b1.1.1.0\/24\u8fd9\u6761\u8def\u7531<\/span><\/p>\n<p>R4#sh ip bgp 1.1.1.0\/24<br \/>\nBGP routing table entry for 1.1.1.0\/24, version 3<br \/>\nPaths: (1 available, best #1, table Default-IP-Routing-Table)<br \/>\n(65011) 1<br \/>\n2.2.2.2 (metric 129) from 3.3.3.3 (3.3.3.3)<br \/>\nOrigin IGP, metric 0, localpref 100, valid, <span style=\"color: #800080;\">confed-external<\/span>, best<\/p>\n<p><span style=\"color: #ff0000;\">\u89c2\u5bdf\u5230\u7531\u8054\u90a6\u5b66\u4e60\u5230\u7684\u8def\u7531\u5c5e\u6027\u4e2d\u51fa\u73b0\u4e86confed-internal\u6807\u8bc6<\/span><\/p>\n<p><span style=\"color: #0000ff;\">14\u3001\u5728R1\u548cR5\u4e0a\u67e5\u770b\u8def\u7531\u8868<\/span><\/p>\n<p>R1#sh ip bgp<br \/>\nBGP table version is 5, local router ID is 1.1.1.1<br \/>\nNetwork\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Next Hop\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Metric LocPrf Weight Path<br \/>\n<span style=\"color: #800080;\">*&gt; 1.1.1.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32768 i<\/span><br \/>\n<span style=\"color: #ff0000;\">*&gt; 5.5.5.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 12.0.0.2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 3 5 i<\/span><\/p>\n<p>R5#sh ip bgp<br \/>\nBGP table version is 4, local router ID is 5.5.5.5<br \/>\nNetwork\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Next Hop\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Metric LocPrf Weight Path<br \/>\n<span style=\"color: #800080;\">*&gt; 1.1.1.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 45.0.0.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 3 1 i<\/span><br \/>\n*&gt; 5.5.5.0\/24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0.0.0.0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32768 i<\/p>\n<p><span style=\"color: #ff0000;\">\u89c2\u5bdf\u52301.1.1.0\/24\u548c5.5.5.0\/24\u8fd92\u6761\u8def\u7531\u7684Path\u5c5e\u6027\u4e2d\u5e76\u6ca1\u6709\u5305\u542b\u8054\u90a6AS\u53f7\uff0c\u8bc1\u660e\u8054\u90a6AS\u5bf9\u4e8e\u5916\u90e8\u662f\u900f\u660e\u7684\uff0c\u4e0d\u53ef\u89c1\u7684<\/span><\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"http:\/\/www.slyar.com\/blog\">Slyar Home<\/a> &raquo; <a href=\"http:\/\/www.slyar.com\/blog\/ccnp-labs-bgp-confederation.html\">CCNP\u5b9e\u9a8c:BGP\u8def\u7531\u9ed1\u6d1e\u4e4b\u8def\u4e4b\u8054\u90a6(BGP Confederation)\u89e3\u51b3<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u4f5c\u8005\uff1a\u59dc\u5357(Slyar) \u6587\u7ae0\u6765\u6e90\uff1aSlyar Home (www.slyar.com) \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff0c\u8c22\u8c22\u5408\u4f5c\u3002 \u3010\u5b9e\u9a8c\u73af\u5883\u3011 C3640-IK9O3S-M Version 12.4(10) \u3010\u5b9e\u9a8c\u76ee\u7684\u3011 \u91c7\u7528\u8054\u90a6(BGP Confederati [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1104],"tags":[300,912],"class_list":["post-1582","post","type-post","status-publish","format-standard","hentry","category-computer-networks","tag-300","tag-912"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"CCNP\u5b9e\u9a8c:BGP\u8def\u7531\u9ed1\u6d1e\u4e4b\u8def\u4e4b\u8054\u90a6(BGP Confederation)\u89e3\u51b3\uff0c\u5373\u5c06\u4e00\u4e2a\u5927\u7684AS\u62c6\u5206\u6210\u82e5\u5e72\u4e2a\u5c0fAS\uff0c\u8fd9\u4e9b\u5c0fAS\u5c31\u53eb\u505a\u8054\u90a6\uff0c\u5c0fAS\u4e4b\u95f4\u5373\u6210\u4e3aEBGP\uff0c\u6253\u7834IBGP\u6c34\u5e73\u5206\u5272\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Slyar\"\/>\n\t<meta name=\"keywords\" 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