IBGP\u5728\u5355\u4e2aAS\u5185\u8fd0\u884c\uff0c\u9075\u5faa\u7740\u7279\u5b9a\u7684\u89c4\u5219\uff0c\u8fd9\u4e9b\u89c4\u5219\u4f7f\u5176\u4e0eEBGP\u6709\u6240\u533a\u522b\u3002\u7f51\u7edc\u5de5\u7a0b\u5e08\u7ecf\u5e38\u9047\u5230IBGP\u5168\u7f51\u72b6\u8fde\u63a5\u8981\u6c42\u548c\u8def\u7531\u4f20\u64ad\u9650\u5236\u7684\u6311\u6218\u3002<\/p>\n

IBGP\u6838\u5fc3\u8981\u6c42<\/h3>\n

\u5728IBGP\u90e8\u7f72\u4e2d\uff0c\u8def\u7531\u5668\u5fc5\u987b\u7ef4\u62a4TCP\u8fde\u63a5\u7684\u5168\u7f51\u72b6\u3002\u4ee5\u4e0b\u662f\u5178\u578b\u7684IBGP\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n

\r\nrouter bgp 65001\r\n neighbor 192.168.1.2 remote-as 65001\r\n neighbor 192.168.1.2 update-source loopback0\r\n neighbor 192.168.1.3 remote-as 65001\r\n neighbor 192.168.1.3 update-source loopback0\r\n<\/code><\/pre>\n
IBGP\u7684\u4e3b\u8981\u7279\u5f81\u5305\u62ec\uff1a<\/p>\n
\n
\u6c34\u5e73\u5206\u5272\u89c4\u5219\uff1a\u4ece\u4e00\u4e2aIBGP\u5bf9\u7b49\u4f53\u5b66\u4e60\u5230\u7684\u8def\u7531\u4e0d\u4f1a\u901a\u544a\u7ed9\u5176\u4ed6IBGP\u5bf9\u7b49\u4f53<\/li>\n
\u4e0b\u4e00\u8df3\u4fdd\u6301\uff1a\u5728IBGP\u66f4\u65b0\u4e2d\u4e0b\u4e00\u8df3\u5c5e\u6027\u4fdd\u6301\u4e0d\u53d8<\/li>\n
\u672c\u5730\u504f\u597d\uff1a\u7528\u4e8eAS\u5185\u7684\u8def\u5f84\u9009\u62e9<\/li>\n<\/ul>\n
EBGP\uff1a\u5916\u90e8\u8fde\u63a5<\/strong><\/h2>\n
EBGP\u5904\u7406AS\u95f4\u8def\u7531\uff0c\u8fd9\u5bf9\u6570\u636e\u4e2d\u5fc3\u4e92\u8fde\u548c\u670d\u52a1\u5668\u79df\u7528\u7f51\u7edc\u81f3\u5173\u91cd\u8981\u3002\u4e0eIBGP\u4e0d\u540c\uff0cEBGP\u9ed8\u8ba4\u4f1a\u4fee\u6539\u51e0\u4e2a\u8def\u5f84\u5c5e\u6027\u3002<\/p>\n
EBGP\u914d\u7f6e\u793a\u4f8b<\/h3>\n
\r\nrouter bgp 65001\r\n neighbor 203.0.113.1 remote-as 65002\r\n neighbor 203.0.113.1 ebgp-multihop 2\r\n neighbor 203.0.113.1 prefix-limit maximum 1000\r\n<\/code><\/pre>\n
\u5efa\u7acbEBGP\u4f1a\u8bdd\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u5173\u952e\u56e0\u7d20\uff1a<\/p>\n
\n
TTL\u5b89\u5168\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cEBGP\u4f7f\u7528TTL\u503c1<\/li>\n
AS\u8def\u5f84\u64cd\u4f5c\uff1a\u7528\u4e8e\u6d41\u91cf\u5de5\u7a0b<\/li>\n
\u8def\u7531\u8fc7\u6ee4\uff1a\u5bf9\u5b89\u5168\u548c\u7b56\u7565\u6267\u884c\u81f3\u5173\u91cd\u8981<\/li>\n<\/ul>\n
\u6280\u672f\u5bf9\u6bd4\uff1aIBGP vs EBGP<\/strong><\/h2>\n
\u8ba9\u6211\u4eec\u4ece\u7f51\u7edc\u5de5\u7a0b\u9700\u6c42\u7684\u89d2\u5ea6\u5206\u6790\u5173\u952e\u6280\u672f\u5dee\u5f02\uff1a<\/p>\n\n\n\n\n\n\n
\u7279\u6027<\/th>\n
IBGP<\/th>\n
EBGP<\/th>\n<\/tr>\n
AS\u8def\u5f84\u5904\u7406<\/td>\n
\u4fdd\u7559AS\u8def\u5f84<\/td>\n
\u6dfb\u52a0\u672c\u5730AS<\/td>\n<\/tr>\n
\u4e0b\u4e00\u8df3\u5904\u7406<\/td>\n
\u9ed8\u8ba4\u4e0d\u53d8<\/td>\n
\u66f4\u6539\u4e3a\u901a\u544a\u8def\u7531\u5668<\/td>\n<\/tr>\n
\u8def\u7531\u53cd\u5c04<\/td>\n
\u9700\u8981\u7528\u4e8e\u53ef\u6269\u5c55\u6027<\/td>\n
\u4e0d\u9002\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u6027\u80fd\u4f18\u5316\u6280\u672f<\/h3>\n
\u4e3a\u4e86\u5728\u6570\u636e\u4e2d\u5fc3\u73af\u5883\u4e2d\u83b7\u5f97\u6700\u4f73BGP\u6027\u80fd\uff0c\u8bf7\u8003\u8651\u5b9e\u65bd\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n
\r\n! IBGP\u8def\u7531\u53cd\u5c04\u5668\u914d\u7f6e\r\nrouter bgp 65001\r\n neighbor 192.168.1.2 remote-as 65001\r\n neighbor 192.168.1.2 route-reflector-client\r\n bgp cluster-id 1\r\n\r\n! EBGP\u6027\u80fd\u8c03\u4f18\r\nrouter bgp 65001\r\n neighbor 203.0.113.1 remote-as 65002\r\n neighbor 203.0.113.1 timers 60 180\r\n neighbor 203.0.113.1 advertisement-interval 5\r\n<\/code><\/pre>\n
\u5b9e\u9645\u5b9e\u65bd\u7b56\u7565<\/strong><\/h2>\n
\u5728\u73b0\u4ee3\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\u4e2d\uff0c\u7279\u522b\u662f\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\uff0c\u6df7\u5408\u65b9\u6cd5\u901a\u5e38\u80fd\u5e26\u6765\u6700\u4f73\u6548\u679c\u3002\u4ee5\u4e0b\u662f\u5b9e\u7528\u7684\u5b9e\u65bd\u7b56\u7565\uff1a<\/p>\n
\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\u8bbe\u8ba1<\/h3>\n
\n
\u4f7f\u7528IBGP\u7528\u4e8e\u5185\u90e8\u6570\u636e\u4e2d\u5fc3\u67b6\u6784<\/li>\n
\u90e8\u7f72EBGP\u7528\u4e8e\u5916\u90e8\u8fde\u63a5<\/li>\n
\u5b9e\u65bd\u8def\u7531\u53cd\u5c04\u4ee5\u5b9e\u73b0\u53ef\u6269\u5c55\u6027<\/li>\n
\u5e94\u7528\u9002\u5f53\u7684\u8fc7\u6ee4\u548c\u5b89\u5168\u7b56\u7565<\/li>\n<\/ol>\n
\u8003\u8651\u4ee5\u4e0b\u6570\u636e\u4e2d\u5fc3\u8fb9\u7f18\u8def\u7531\u5668\u7684\u9ad8\u7ea7\u914d\u7f6e\uff1a<\/p>\n
\r\nrouter bgp 65001\r\n bgp log-neighbor-changes\r\n network 172.16.0.0 mask 255.255.0.0\r\n neighbor dc-fabric peer-group\r\n neighbor dc-fabric remote-as 65001\r\n neighbor dc-fabric update-source loopback0\r\n neighbor dc-fabric route-reflector-client\r\n neighbor external-peers peer-group\r\n neighbor external-peers remote-as 65002\r\n neighbor external-peers prefix-limit maximum 1000\r\n neighbor external-peers route-map FILTER_IN in\r\n neighbor external-peers route-map FILTER_OUT out\r\n<\/code><\/pre>\n
\u6700\u4f73\u5b9e\u8df5\u548c\u4f18\u5316<\/strong><\/h2>\n
\u5728\u4f01\u4e1a\u7ea7\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u5b9e\u65bdBGP\u65f6\uff0c\u9075\u5faa\u4ee5\u4e0b\u7ecf\u9a8c\u8bc1\u7684\u5b9e\u8df5\u53ef\u786e\u4fdd\u6700\u4f73\u6027\u80fd\u548c\u53ef\u9760\u6027\uff1a<\/p>\n
\u5b89\u5168\u8003\u8651<\/h3>\n
\r\n! BGP\u8ba4\u8bc1\u914d\u7f6e\r\nrouter bgp 65001\r\n neighbor 192.168.1.2 password encrypted strong_password\r\n neighbor 192.168.1.2 ttl-security hops 1\r\n\r\n! GTSM\uff08\u901a\u7528TTL\u5b89\u5168\u673a\u5236\uff09\r\nneighbor 203.0.113.1 ttl-security hops 2\r\n<\/code><\/pre>\n
\u8def\u7531\u8fc7\u6ee4\u6700\u4f73\u5b9e\u8df5<\/h3>\n
\r\n! \u524d\u7f00\u5217\u8868\u5b9a\u4e49\r\nip prefix-list CUSTOMER_PREFIXES seq 10 permit 192.168.0.0\/24 le 25\r\nip prefix-list CUSTOMER_PREFIXES seq 20 permit 172.16.0.0\/22 le 24\r\n\r\n! \u8def\u7531\u56fe\u5b9e\u73b0\r\nroute-map FILTER_IN permit 10\r\n match ip address prefix-list CUSTOMER_PREFIXES\r\n set local-preference 200\r\n<\/code><\/pre>\n
\u6545\u969c\u6392\u9664\u548c\u76d1\u63a7<\/strong><\/h2>\n
\u6709\u6548\u7684BGP\u6545\u969c\u6392\u9664\u9700\u8981\u7406\u89e3\u5173\u952e\u6307\u6807\u548c\u5e38\u89c1\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u76d1\u63a7BGP\u4f1a\u8bdd\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n
\r\n! BGP\u57fa\u672c\u6545\u969c\u6392\u9664\u547d\u4ee4\r\nshow ip bgp summary\r\nshow ip bgp neighbors\r\nshow ip bgp dampening parameters\r\nshow ip bgp flap-statistics\r\n<\/code><\/pre>\n
\u5e38\u89c1\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n
\n
\u4f1a\u8bdd\u6296\u52a8\uff1a\u68c0\u67e5\u7f51\u7edc\u7a33\u5b9a\u6027\u548cBGP\u8ba1\u65f6\u5668<\/li>\n
\u8def\u7531\u4f20\u64ad\u95ee\u9898\uff1a\u9a8c\u8bc1\u6c34\u5e73\u5206\u5272\u89c4\u5219\u548c\u8def\u7531\u53cd\u5c04\u5668\u914d\u7f6e<\/li>\n
\u8def\u5f84\u9009\u62e9\u95ee\u9898\uff1a\u68c0\u67e5BGP\u5c5e\u6027\u548c\u672c\u5730\u504f\u597d\u8bbe\u7f6e<\/li>\n<\/ul>\n
\u672a\u6765\u8d8b\u52bf\u548c\u8003\u8651\u56e0\u7d20<\/strong><\/h2>\n
\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u7684\u53d1\u5c55\u63a8\u52a8\u7740\u65b0\u7684BGP\u5b9e\u73b0\u3002\u4e3b\u8981\u8d8b\u52bf\u5305\u62ec\uff1a<\/p>\n
\n
\u7528\u4e8e\u73b0\u4ee3\u6570\u636e\u4e2d\u5fc3\u67b6\u6784\u7684BGP EVPN<\/li>\n
\u4f7f\u7528BGP\u7684\u6bb5\u8def\u7531<\/li>\n
\u4f7f\u7528BGP API\u8fdb\u884c\u81ea\u52a8\u5316\u548c\u53ef\u7f16\u7a0b\u6027<\/li>\n<\/ul>\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u638c\u63e1IBGP\u548cEBGP\u914d\u7f6e\u5bf9\u4e8e\u5728\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u6784\u5efa\u5f3a\u5927\u7684\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u7406\u89e3\u6280\u672f\u7ec6\u8282\u5e76\u5b9e\u65bd\u9002\u5f53\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u7f51\u7edc\u5de5\u7a0b\u5e08\u53ef\u4ee5\u521b\u5efa\u6ee1\u8db3\u73b0\u4ee3\u6570\u636e\u4e2d\u5fc3\u9700\u6c42\u7684\u53ef\u6269\u5c55\u3001\u53ef\u9760\u7684BGP\u90e8\u7f72\u3002<\/p>\n
\u8bf7\u8bb0\u4f4f\uff0cBGP\u914d\u7f6e\u9009\u62e9\u4f1a\u663e\u8457\u5f71\u54cd\u7f51\u7edc\u6027\u80fd\u3001\u53ef\u6269\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002\u65e0\u8bba\u60a8\u662f\u7ba1\u7406\u5c0f\u578b\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u8fd8\u662f\u5927\u89c4\u6a21\u6570\u636e\u4e2d\u5fc3\uff0c\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u539f\u5219\u548c\u5b9e\u8df5\u90fd\u5c06\u5e2e\u52a9\u60a8\u505a\u51fa\u5173\u4e8eBGP\u5b9e\u65bd\u7b56\u7565\u7684\u660e\u667a\u51b3\u7b56\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row][vc_column][vc_column_text css=””] \u5bf9\u4e8e\u4ece\u4e8b\u5206\u5e03\u5f0f\u7cfb\u7edf\u548c\u6570\u636e\u4e2d\u5fc3\u5de5\u4f5c\u7684\u7f51\u7edc\u5de5\u7a0b\u5e08\u6765\u8bf4\uff0c\u7406\u89e3\u5185\u90e8\u8fb9\u754c\u7f51\u5173\u534f\u8bae(IBGP)\u548c\u5916\u90e8\u8fb9\u754c\u7f51\u5173\u534f\u8bae(EBGP)\u4e4b\u95f4\u7684\u533a\u522b\u81f3\u5173\u91cd\u8981\u3002\u672c\u7efc\u5408\u6307\u5357\u6df1\u5165\u63a2\u8ba8\u4e86\u8fd9\u4e24\u79cd\u534f\u8bae\uff0c\u63d0\u4f9b\u5b9e\u7528\u89c1\u89e3\u548c\u914d\u7f6e\u793a\u4f8b\uff0c\u5e2e\u52a9\u60a8\u5728\u7f51\u7edc\u67b6\u6784\u548c\u670d\u52a1\u5668\u79df\u7528\u4e2d\u505a\u51fa\u660e\u667a\u7684\u51b3\u7b56\u3002 \u7406\u89e3BGP\u57fa\u7840 BGP\uff08\u8fb9\u754c\u7f51\u5173\u534f\u8bae\uff09\u662f\u4e92\u8054\u7f51\u8def\u7531\u7684\u652f\u67f1\uff0c\u672c\u8d28\u4e0a\u5145\u5f53\u7740\u4e92\u8054\u7f51\u7684GPS\u3002\u5728\u6df1\u5165\u6bd4\u8f83IBGP\u548cEBGP\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u5148\u5efa\u7acb\u5bf9BGP\u6982\u5ff5\u7684solid\u57fa\u7840\u8ba4\u8bc6\u3002 \u81ea\u6cbb\u7cfb\u7edf\uff08AS\uff09\u4ee3\u8868\u7740\u5728\u5355\u4e00\u7ba1\u7406\u57df\u4e0b\u7684\u7f51\u7edc\u3002\u6bcf\u4e2aAS\u90fd\u6709\u4e00\u4e2a\u79f0\u4e3aASN\uff08\u81ea\u6cbb\u7cfb\u7edf\u53f7\uff09\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002\u5f53BGP\u8def\u7531\u5728\u4e0d\u540cAS\u4e4b\u95f4\u4ea4\u6362\u65f6\uff0c\u5c31\u662fEBGP\u3002\u5f53\u4ea4\u6362\u53d1\u751f\u5728\u540c\u4e00AS\u5185\u65f6\uff0c\u5c31\u662fIBGP\u3002 \u6df1\u5165\u4e86\u89e3IBGP IBGP\u5728\u5355\u4e2aAS\u5185\u8fd0\u884c\uff0c\u9075\u5faa\u7740\u7279\u5b9a\u7684\u89c4\u5219\uff0c\u8fd9\u4e9b\u89c4\u5219\u4f7f\u5176\u4e0eEBGP\u6709\u6240\u533a\u522b\u3002\u7f51\u7edc\u5de5\u7a0b\u5e08\u7ecf\u5e38\u9047\u5230IBGP\u5168\u7f51\u72b6\u8fde\u63a5\u8981\u6c42\u548c\u8def\u7531\u4f20\u64ad\u9650\u5236\u7684\u6311\u6218\u3002 IBGP\u6838\u5fc3\u8981\u6c42 \u5728IBGP\u90e8\u7f72\u4e2d\uff0c\u8def\u7531\u5668\u5fc5\u987b\u7ef4\u62a4TCP\u8fde\u63a5\u7684\u5168\u7f51\u72b6\u3002\u4ee5\u4e0b\u662f\u5178\u578b\u7684IBGP\u914d\u7f6e\u793a\u4f8b\uff1a router bgp 65001 neighbor 192.168.1.2 remote-as 65001 neighbor 192.168.1.2 update-source loopback0 neighbor 192.168.1.3 remote-as 65001 neighbor 192.168.1.3 update-source loopback0 IBGP\u7684\u4e3b\u8981\u7279\u5f81\u5305\u62ec\uff1a \u6c34\u5e73\u5206\u5272\u89c4\u5219\uff1a\u4ece\u4e00\u4e2aIBGP\u5bf9\u7b49\u4f53\u5b66\u4e60\u5230\u7684\u8def\u7531\u4e0d\u4f1a\u901a\u544a\u7ed9\u5176\u4ed6IBGP\u5bf9\u7b49\u4f53 \u4e0b\u4e00\u8df3\u4fdd\u6301\uff1a\u5728IBGP\u66f4\u65b0\u4e2d\u4e0b\u4e00\u8df3\u5c5e\u6027\u4fdd\u6301\u4e0d\u53d8 \u672c\u5730\u504f\u597d\uff1a\u7528\u4e8eAS\u5185\u7684\u8def\u5f84\u9009\u62e9 EBGP\uff1a\u5916\u90e8\u8fde\u63a5 EBGP\u5904\u7406AS\u95f4\u8def\u7531\uff0c\u8fd9\u5bf9\u6570\u636e\u4e2d\u5fc3\u4e92\u8fde\u548c\u670d\u52a1\u5668\u79df\u7528\u7f51\u7edc\u81f3\u5173\u91cd\u8981\u3002\u4e0eIBGP\u4e0d\u540c\uff0cEBGP\u9ed8\u8ba4\u4f1a\u4fee\u6539\u51e0\u4e2a\u8def\u5f84\u5c5e\u6027\u3002 EBGP\u914d\u7f6e\u793a\u4f8b router bgp 65001 neighbor 203.0.113.1 remote-as 65002 neighbor 203.0.113.1 ebgp-multihop 2 neighbor 203.0.113.1 prefix-limit maximum 1000 \u5efa\u7acbEBGP\u4f1a\u8bdd\u65f6\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u5173\u952e\u56e0\u7d20\uff1a TTL\u5b89\u5168\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cEBGP\u4f7f\u7528TTL\u503c1 AS\u8def\u5f84\u64cd\u4f5c\uff1a\u7528\u4e8e\u6d41\u91cf\u5de5\u7a0b […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":22908,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4816],"tags":[6899,6900,6901,6731,6315],"class_list":["post-22940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-sc","tag-ibgp-sc","tag-bgp-routing-protocol-sc","tag-network-engineering-sc","tag-bgp-configuration-sc","tag-ebgp-sc"],"acf":[],"yoast_head":"\n