{"id":1572,"date":"2011-08-30T08:50:11","date_gmt":"2011-08-30T00:50:11","guid":{"rendered":"http:\/\/www.slyar.com\/blog\/?p=1572"},"modified":"2022-07-03T15:51:40","modified_gmt":"2022-07-03T22:51:40","slug":"ccnp-labs-bgp-blackhole-full-mesh","status":"publish","type":"post","link":"http:\/\/www.slyar.com\/blog\/ccnp-labs-bgp-blackhole-full-mesh.html","title":{"rendered":"CCNP\u5b9e\u9a8c:BGP\u8def\u7531\u9ed1\u6d1e\u4e4b\u90bb\u5c45Full-mesh\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\u90bb\u5c45\u5168\u4e92\u8054(Full-mesh)\u65b9\u5f0f\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\/08\/2011-08-30_080522.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1573\" title=\"BGP\u8def\u7531\u9ed1\u6d1e\" src=\"http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/08\/2011-08-30_080522.png\" alt=\"\" width=\"717\" height=\"344\" srcset=\"http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/08\/2011-08-30_080522.png 717w, http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/08\/2011-08-30_080522-150x72.png 150w, http:\/\/www.slyar.com\/blog\/wp-content\/uploads\/2011\/08\/2011-08-30_080522-300x144.png 300w\" sizes=\"auto, (max-width: 717px) 100vw, 717px\" \/><\/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\uff0cR1&lt;-&gt;R2&lt;-&gt;R4&lt;-&gt;R5<\/p>\n<p>R1&lt;-&gt;R2\u3001R4&lt;-&gt;R5\u4e4b\u95f4\u521b\u5efa\u9ed8\u8ba4\u8def\u7531\u4fdd\u8bc1BGP\u90bb\u5c45\u5173\u7cfb\u7684\u5efa\u7acb<\/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<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a\u5728R3\u4e0a\u4e5f\u8dd11\u4e2aBGP\uff0c\u5e76\u4e14\u4e0eR2\u548cR4\u5efa\u7acb\u5b8c\u5168BGP\u90bb\u5c45\u5173\u7cfb\uff0c\u901a\u8fc7IBGP\u5b66\u4e60\u52301.1.1.1\u548c5.5.5.5\u7684\u8def\u7531\u6761\u76ee<\/p>\n<p>\u6ce8\u610f\uff1aBGP\u7684\u540c\u6b65\u53ca\u4e0b\u4e00\u8df3\u95ee\u9898<\/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\uff0c\u9ed8\u8ba4\u8def\u7531:<\/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!<br \/>\nip route 2.2.2.2 255.255.255.255 12.0.0.2<\/p>\n<p><span style=\"color: #0000ff;\">2\u3001R2\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3\uff0c\u9ed8\u8ba4\u8def\u7531\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!<br \/>\nip route 1.1.1.1 255.255.255.255 12.0.0.1<\/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\uff0c\u9ed8\u8ba4\u8def\u7531\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!<br \/>\nip route 5.5.5.5 255.255.255.255 45.0.0.2<\/p>\n<p><span style=\"color: #0000ff;\">5\u3001R5\u57fa\u672c\u914d\u7f6e\uff0c\u7aef\u53e3\uff0c\u9ed8\u8ba4\u8def\u7531:<\/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!<br \/>\nip route 4.4.4.4 255.255.255.255 45.0.0.1<\/p>\n<p><span style=\"color: #0000ff;\">6\u3001\u914d\u7f6eR1\u4e0eR2\u4e4b\u95f4\u7684EBGP<\/span><\/p>\n<p>\/\/R1\u914d\u7f6eAS 1<br \/>\nrouter bgp 1<br \/>\n<span style=\"color: #ff0000;\">\/\/\u9ed8\u8ba4\u5173\u95ed\u540c\u6b65<\/span><br \/>\nno synchronization<br \/>\n\/\/\u8bbe\u7f6ebgp router-id<br \/>\nbgp router-id 1.1.1.1<br \/>\n\/\/\u5ba3\u544a\u8def\u7531\u6761\u76ee<br \/>\nnetwork 1.1.1.0 mask 255.255.255.0<br \/>\n<span style=\"color: #ff0000;\">\/\/\u8bbe\u7f6e\u90bb\u5c45AS\u53f7\uff0c\u4f7f\u7528\u56de\u73af\u53e3\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb\uff0c\u9700\u8981\u5c06\u9ed8\u8ba4\u7684TTL\u503c\u75311\u6539\u4e3a2<\/span><br \/>\nneighbor 2.2.2.2 remote-as 3<br \/>\nneighbor 2.2.2.2 ebgp-multihop 2<br \/>\nneighbor 2.2.2.2 update-source Loopback0<br \/>\nno auto-summary<\/p>\n<p>\/\/R2\u914d\u7f6eAS 3<br \/>\nrouter bgp 3<br \/>\nno synchronization<br \/>\n<span style=\"color: #ff0000;\">\/\/\u8bbe\u7f6ebgp router-id\uff0c\u5efa\u8bae\u4e0eOSPF\u4fdd\u6301\u4e00\u81f4<\/span><br \/>\nbgp router-id 2.2.2.2<br \/>\nneighbor 1.1.1.1 remote-as 1<br \/>\nneighbor 1.1.1.1 ebgp-multihop 2<br \/>\nneighbor 1.1.1.1 update-source Loopback0<br \/>\nno auto-summary<br \/>\n!<\/p>\n<p><span style=\"color: #0000ff;\">7\u3001\u914d\u7f6eR4\u4e0eR5\u4e4b\u95f4\u7684EBGP<\/span><\/p>\n<p>\/\/R4\u914d\u7f6eAS 3<br \/>\nrouter bgp 3<br \/>\nno synchronization<br \/>\nneighbor 5.5.5.5 remote-as 5<br \/>\nneighbor 5.5.5.5 ebgp-multihop 2<br \/>\nneighbor 5.5.5.5 update-source Loopback0<br \/>\nno auto-summary<\/p>\n<p>\/\/R5\u914d\u7f6eAS 5<br \/>\nrouter bgp 5<br \/>\nno synchronization<br \/>\nnetwork 5.5.5.0 mask 255.255.255.0<br \/>\nneighbor 4.4.4.4 remote-as 3<br \/>\nneighbor 4.4.4.4 ebgp-multihop 2<br \/>\nneighbor 4.4.4.4 update-source Loopback0<br \/>\nno auto-summary<\/p>\n<p><span style=\"color: #0000ff;\">8\u3001\u4f7f\u7528Peer Group\u7b80\u5316\u914d\u7f6e\uff0c\u8282\u7ea6\u5185\u5b58\uff0c\u914d\u7f6eR2\u3001R3\u3001R4\u4e4b\u95f4\u7684IBGP\uff0c\u901a\u8fc7\u90bb\u5c45\u5168\u4e92\u8054\u89e3\u51b3\u8def\u7531\u9ed1\u6d1e\u95ee\u9898<\/span><\/p>\n<p>\/\/R2\u4e0eR3\u3001R4\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb<br \/>\nrouter bgp 3<br \/>\n<span style=\"color: #ff0000;\">neighbor slyar peer-group<\/span><br \/>\n<span style=\"color: #ff0000;\"> neighbor slyar remote-as 3<\/span><br \/>\n<span style=\"color: #ff0000;\"> neighbor slyar update-source Loopback0<\/span><br \/>\n<span style=\"color: #ff0000;\"> neighbor slyar next-hop-self<\/span><br \/>\nneighbor 3.3.3.3 peer-group slyar<br \/>\nneighbor 4.4.4.4 peer-group slyar<\/p>\n<p>\/\/R3\u4e0eR2\u3001R4\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb<br \/>\nrouter bgp 3<br \/>\nneighbor slyar peer-group<br \/>\nneighbor slyar remote-as 3<br \/>\nneighbor slyar update-source Loopback0<br \/>\nneighbor slyar next-hop-self<br \/>\nneighbor 2.2.2.2 peer-group slyar<br \/>\nneighbor 4.4.4.4 peer-group slyar<\/p>\n<p>\/\/R4\u4e0eR2\u3001R3\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb<br \/>\nrouter bgp 3<br \/>\nneighbor slyar peer-group<br \/>\nneighbor slyar remote-as 3<br \/>\nneighbor slyar update-source Loopback0<br \/>\nneighbor slyar next-hop-self<br \/>\nneighbor 2.2.2.2 peer-group slyar<br \/>\nneighbor 3.3.3.3 peer-group slyar<\/p>\n<p><span style=\"color: #ff0000;\">\u7531\u4e8e\u6240\u6709\u8fd0\u884cIBGP\u7684\u8def\u7531\u5668\u4e0a\u90fd\u5173\u95ed\u4e86\u540c\u6b65\uff0c\u5e76\u4e14\u4f7f\u7528next-hop-self\u547d\u4ee4\u89e3\u51b3\u4e86\u4e0b\u4e00\u8df3\u95ee\u9898\uff0c\u56e0\u6b64\u6240\u6709\u8def\u7531\u5668\u4e0a\u7684BGP\u6761\u76ee\u5747\u4e3abest\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u8def\u7531\u9012\u5f52\u67e5\u8be2\u8fdb\u884c\u6b63\u5e38\u8f6c\u53d1\u3002<\/span><\/p>\n<p><span style=\"color: #0000ff;\">9\u3001\u68c0\u67e5\u8def\u7531\u8868<\/span><\/p>\n<p>R1#sh ip ro<br \/>\n1.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.1.1.0 is directly connected, Loopback0<br \/>\n2.0.0.0\/32 is subnetted, 1 subnets<br \/>\nS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.2.2.2 [1\/0] via 12.0.0.2<br \/>\n5.0.0.0\/24 is subnetted, 1 subnets<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.5.5.0 [20\/0] via 2.2.2.2, 00:59:19<br \/>\n12.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 12.0.0.0 is directly connected, Serial0\/0<\/p>\n<p>R2#sh ip ro<br \/>\n34.0.0.0\/24 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 34.0.0.0 [110\/128] via 23.0.0.2, 01:04:19, Serial0\/1<br \/>\n1.0.0.0\/8 is variably subnetted, 2 subnets, 2 masks<br \/>\nS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.1.1.1\/32 [1\/0] via 12.0.0.1<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.1.1.0\/24 [20\/0] via 1.1.1.1, 01:13:12<br \/>\n2.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.2.2.0 is directly connected, Loopback0<br \/>\n3.0.0.0\/32 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3.3.3.3 [110\/65] via 23.0.0.2, 01:04:19, Serial0\/1<br \/>\n4.0.0.0\/32 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.4.4.4 [110\/129] via 23.0.0.2, 01:04:21, Serial0\/1<br \/>\n5.0.0.0\/24 is subnetted, 1 subnets<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.5.5.0 [200\/0] via 4.4.4.4, 01:02:00<br \/>\n23.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 23.0.0.0 is directly connected, Serial0\/1<br \/>\n12.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 12.0.0.0 is directly connected, Serial0\/0<\/p>\n<p>R3#sh ip ro<br \/>\n34.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 34.0.0.0 is directly connected, Serial0\/0<br \/>\n1.0.0.0\/24 is subnetted, 1 subnets<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.1.1.0 [200\/0] via 2.2.2.2, 01:02:46<br \/>\n2.0.0.0\/32 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.2.2.2 [110\/65] via 23.0.0.1, 01:04:38, Serial0\/1<br \/>\n3.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3.3.3.0 is directly connected, Loopback0<br \/>\n4.0.0.0\/32 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.4.4.4 [110\/65] via 34.0.0.2, 01:04:38, Serial0\/0<br \/>\n5.0.0.0\/24 is subnetted, 1 subnets<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.5.5.0 [200\/0] via 4.4.4.4, 01:02:26<br \/>\n23.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 23.0.0.0 is directly connected, Serial0\/1<\/p>\n<p>R4#sh ip ro<br \/>\n34.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 34.0.0.0 is directly connected, Serial0\/0<br \/>\n1.0.0.0\/24 is subnetted, 1 subnets<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.1.1.0 [200\/0] via 2.2.2.2, 01:02:32<br \/>\n2.0.0.0\/32 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.2.2.2 [110\/129] via 34.0.0.1, 01:04:54, Serial0\/0<br \/>\n3.0.0.0\/32 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3.3.3.3 [110\/65] via 34.0.0.1, 01:04:54, Serial0\/0<br \/>\n4.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.4.4.0 is directly connected, Loopback0<br \/>\n5.0.0.0\/8 is variably subnetted, 2 subnets, 2 masks<br \/>\nS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.5.5.5\/32 [1\/0] via 45.0.0.2<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.5.5.0\/24 [20\/0] via 5.5.5.5, 01:13:23<br \/>\n23.0.0.0\/24 is subnetted, 1 subnets<br \/>\nO\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 23.0.0.0 [110\/128] via 34.0.0.1, 01:04:56, Serial0\/0<br \/>\n45.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 45.0.0.0 is directly connected, Serial0\/1<\/p>\n<p>R5#sh ip ro<br \/>\n1.0.0.0\/24 is subnetted, 1 subnets<br \/>\nB\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.1.1.0 [20\/0] via 4.4.4.4, 01:02:48<br \/>\n4.0.0.0\/32 is subnetted, 1 subnets<br \/>\nS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.4.4.4 [1\/0] via 45.0.0.1<br \/>\n5.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.5.5.0 is directly connected, Loopback0<br \/>\n45.0.0.0\/24 is subnetted, 1 subnets<br \/>\nC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 45.0.0.0 is directly connected, Serial0\/1<\/p>\n<p><span style=\"color: #0000ff;\">10\u3001\u9a8c\u8bc1\uff0c\u5728R1\u4e0a\u4f7f\u7528\u56de\u73af\u53e31.1.1.1\u8fde\u63a55.5.5.5<\/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 = 76\/92\/108 ms<\/p>\n<p><span style=\"color: #0000ff;\">11\u3001\u8bc4\u4ef7<\/span><\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5728\u5b9e\u9645\u5de5\u7a0b\u4e2d\u663e\u7136\u4e0d\u53ef\u53d6\uff1a<\/p>\n<p><span style=\"color: #ff0000;\">\u914d\u7f6e\u590d\u6742\uff1b<\/span><\/p>\n<p><span style=\"color: #ff0000;\">\u4efb\u610fIBGP\u8def\u7531\u5668\u5747\u9700\u8981\u4e92\u8054\uff0c\u9700\u8981\u7ef4\u62a4\u5927\u91cf\u7684IBGP\u5173\u7cfb<\/span><\/p>\n<p><span style=\"color: #ff0000;\">\u6d88\u8017\u5927\u91cf\u8d44\u6e90\uff1b<\/span><\/p>\n<p>\u4ee5\u540e\u4f1a\u9646\u7eed\u4ecb\u7ecd\u5176\u4ed6\u65b9\u6cd5<\/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-blackhole-full-mesh.html\">CCNP\u5b9e\u9a8c:BGP\u8def\u7531\u9ed1\u6d1e\u4e4b\u90bb\u5c45Full-mesh\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\u90bb\u5c45\u5168\u4e92\u8054(Full-mesh)\u65b9\u5f0f [&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-1572","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\u90bb\u5c45Full-mesh\u89e3\u51b3\uff0c\u91c7\u7528\u90bb\u5c45\u5168\u4e92\u8054\u65b9\u5f0f\u89e3\u51b3\u3002\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Slyar\"\/>\n\t<meta name=\"keywords\" content=\"slyar,ccnp,bgp,\u9ed1\u6d1e,\u8def\u7531\u9ed1\u6d1e,full-mesh,\u5168\u4e92\u8054,\u90bb\u5c45,ibgp,ebgp,ospf\" \/>\n\t<link rel=\"canonical\" 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