IBGP\u5728\u55ae\u500bAS\u5167\u904b\u884c\uff0c\u9075\u5faa\u8457\u7279\u5b9a\u7684\u898f\u5247\uff0c\u9019\u4e9b\u898f\u5247\u4f7f\u5176\u8207EBGP\u6709\u6240\u5340\u5225\u3002\u7db2\u8def\u5de5\u7a0b\u5e2b\u7d93\u5e38\u9047\u5230IBGP\u5168\u7db2\u72c0\u9023\u63a5\u8981\u6c42\u548c\u8def\u7531\u50b3\u64ad\u9650\u5236\u7684\u6311\u6230\u3002<\/p>\n

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

\u5728IBGP\u90e8\u7f72\u4e2d\uff0c\u8def\u7531\u5668\u5fc5\u9808\u7dad\u8b77TCP\u9023\u63a5\u7684\u5168\u7db2\u72c0\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\u5fb5\u5305\u62ec\uff1a<\/p>\n
\n
\u6c34\u5e73\u5206\u5272\u898f\u5247\uff1a\u5f9e\u4e00\u500bIBGP\u5c0d\u7b49\u9ad4\u5b78\u7fd2\u5230\u7684\u8def\u7531\u4e0d\u6703\u901a\u544a\u7d66\u5176\u4ed6IBGP\u5c0d\u7b49\u9ad4<\/li>\n
\u4e0b\u4e00\u8df3\u4fdd\u6301\uff1a\u5728IBGP\u66f4\u65b0\u4e2d\u4e0b\u4e00\u8df3\u5c6c\u6027\u4fdd\u6301\u4e0d\u8b8a<\/li>\n
\u672c\u5730\u504f\u597d\uff1a\u7528\u65bcAS\u5167\u7684\u8def\u5f91\u9078\u64c7<\/li>\n<\/ul>\n
EBGP\uff1a\u5916\u90e8\u9023\u63a5<\/strong><\/h2>\n
EBGP\u8655\u7406AS\u9593\u8def\u7531\uff0c\u9019\u5c0d\u8cc7\u6599\u4e2d\u5fc3\u4e92\u9023\u548c\u4f3a\u670d\u5668\u79df\u7528\u7db2\u8def\u81f3\u95dc\u91cd\u8981\u3002\u8207IBGP\u4e0d\u540c\uff0cEBGP\u9810\u8a2d\u6703\u4fee\u6539\u5e7e\u500b\u8def\u5f91\u5c6c\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\u6703\u8a71\u6642\uff0c\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u95dc\u9375\u56e0\u7d20\uff1a<\/p>\n
\n
TTL\u5b89\u5168\uff1a\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0cEBGP\u4f7f\u7528TTL\u503c1<\/li>\n
AS\u8def\u5f91\u64cd\u4f5c\uff1a\u7528\u65bc\u6d41\u91cf\u5de5\u7a0b<\/li>\n
\u8def\u7531\u904e\u6ffe\uff1a\u5c0d\u5b89\u5168\u548c\u7b56\u7565\u57f7\u884c\u81f3\u95dc\u91cd\u8981<\/li>\n<\/ul>\n
\u6280\u8853\u5c0d\u6bd4\uff1aIBGP vs EBGP<\/strong><\/h2>\n
\u8b93\u6211\u5011\u5f9e\u7db2\u8def\u5de5\u7a0b\u9700\u6c42\u7684\u89d2\u5ea6\u5206\u6790\u95dc\u9375\u6280\u8853\u5dee\u7570\uff1a<\/p>\n\n\n\n\n\n\n
\u7279\u6027<\/th>\n
IBGP<\/th>\n
EBGP<\/th>\n<\/tr>\n
AS\u8def\u5f91\u8655\u7406<\/td>\n
\u4fdd\u7559AS\u8def\u5f91<\/td>\n
\u6dfb\u52a0\u672c\u5730AS<\/td>\n<\/tr>\n
\u4e0b\u4e00\u8df3\u8655\u7406<\/td>\n
\u9810\u8a2d\u4e0d\u8b8a<\/td>\n
\u66f4\u6539\u70ba\u901a\u544a\u8def\u7531\u5668<\/td>\n<\/tr>\n
\u8def\u7531\u53cd\u5c04<\/td>\n
\u9700\u8981\u7528\u65bc\u53ef\u64f4\u5c55\u6027<\/td>\n
\u4e0d\u9069\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u6548\u80fd\u512a\u5316\u6280\u8853<\/h3>\n
\u70ba\u4e86\u5728\u8cc7\u6599\u4e2d\u5fc3\u74b0\u5883\u4e2d\u7372\u5f97\u6700\u4f73BGP\u6548\u80fd\uff0c\u8acb\u8003\u616e\u5be6\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\u6548\u80fd\u8abf\u512a\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
\u5be6\u969b\u5be6\u65bd\u7b56\u7565<\/strong><\/h2>\n
\u5728\u73fe\u4ee3\u8cc7\u6599\u4e2d\u5fc3\u67b6\u69cb\u4e2d\uff0c\u7279\u5225\u662f\u5728\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0c\u6df7\u5408\u65b9\u6cd5\u901a\u5e38\u80fd\u5e36\u4f86\u6700\u4f73\u6548\u679c\u3002\u4ee5\u4e0b\u662f\u5be6\u7528\u7684\u5be6\u65bd\u7b56\u7565\uff1a<\/p>\n
\u8cc7\u6599\u4e2d\u5fc3\u67b6\u69cb\u8a2d\u8a08<\/h3>\n
\n
\u4f7f\u7528IBGP\u7528\u65bc\u5167\u90e8\u8cc7\u6599\u4e2d\u5fc3\u67b6\u69cb<\/li>\n
\u90e8\u7f72EBGP\u7528\u65bc\u5916\u90e8\u9023\u63a5<\/li>\n
\u5be6\u65bd\u8def\u7531\u53cd\u5c04\u4ee5\u5be6\u73fe\u53ef\u64f4\u5c55\u6027<\/li>\n
\u61c9\u7528\u9069\u7576\u7684\u904e\u6ffe\u548c\u5b89\u5168\u7b56\u7565<\/li>\n<\/ol>\n
\u8003\u616e\u4ee5\u4e0b\u8cc7\u6599\u4e2d\u5fc3\u908a\u7de3\u8def\u7531\u5668\u7684\u9ad8\u7d1a\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\u5be6\u8e10\u548c\u512a\u5316<\/strong><\/h2>\n
\u5728\u4f01\u696d\u7d1a\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u5be6\u65bdBGP\u6642\uff0c\u9075\u5faa\u4ee5\u4e0b\u7d93\u9a57\u8b49\u7684\u5be6\u8e10\u53ef\u78ba\u4fdd\u6700\u4f73\u6548\u80fd\u548c\u53ef\u9760\u6027\uff1a<\/p>\n
\u5b89\u5168\u8003\u616e<\/h3>\n
\r\n! BGP\u8a8d\u8b49\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\u6a5f\u5236\uff09\r\nneighbor 203.0.113.1 ttl-security hops 2\r\n<\/code><\/pre>\n
\u8def\u7531\u904e\u6ffe\u6700\u4f73\u5be6\u8e10<\/h3>\n
\r\n! \u524d\u7db4\u5217\u8868\u5b9a\u7fa9\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\u5716\u5be6\u73fe\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\u76e3\u63a7<\/strong><\/h2>\n
\u6709\u6548\u7684BGP\u6545\u969c\u6392\u9664\u9700\u8981\u7406\u89e3\u95dc\u9375\u6307\u6a19\u548c\u5e38\u898b\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u76e3\u63a7BGP\u6703\u8a71\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\u898b\u554f\u984c\u548c\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n
\n
\u6703\u8a71\u6296\u52d5\uff1a\u6aa2\u67e5\u7db2\u8def\u7a69\u5b9a\u6027\u548cBGP\u8a08\u6642\u5668<\/li>\n
\u8def\u7531\u50b3\u64ad\u554f\u984c\uff1a\u9a57\u8b49\u6c34\u5e73\u5206\u5272\u898f\u5247\u548c\u8def\u7531\u53cd\u5c04\u5668\u914d\u7f6e<\/li>\n
\u8def\u5f91\u9078\u64c7\u554f\u984c\uff1a\u6aa2\u67e5BGP\u5c6c\u6027\u548c\u672c\u5730\u504f\u597d\u8a2d\u7f6e<\/li>\n<\/ul>\n
\u672a\u4f86\u8da8\u52e2\u548c\u8003\u616e\u56e0\u7d20<\/strong><\/h2>\n
\u8cc7\u6599\u4e2d\u5fc3\u7db2\u8def\u7684\u767c\u5c55\u63a8\u52d5\u8457\u65b0\u7684BGP\u5be6\u73fe\u3002\u4e3b\u8981\u8da8\u52e2\u5305\u62ec\uff1a<\/p>\n
\n
\u7528\u65bc\u73fe\u4ee3\u8cc7\u6599\u4e2d\u5fc3\u67b6\u69cb\u7684BGP EVPN<\/li>\n
\u4f7f\u7528BGP\u7684\u6bb5\u8def\u7531<\/li>\n
\u4f7f\u7528BGP API\u9032\u884c\u81ea\u52d5\u5316\u548c\u53ef\u7a0b\u5f0f\u5316<\/li>\n<\/ul>\n
\u7d50\u8ad6<\/strong><\/h2>\n
\u638c\u63e1IBGP\u548cEBGP\u914d\u7f6e\u5c0d\u65bc\u5728\u4f3a\u670d\u5668\u79df\u7528\u548c\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u4e2d\u69cb\u5efa\u5f37\u5927\u7684\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u7406\u89e3\u6280\u8853\u7d30\u7bc0\u4e26\u5be6\u65bd\u9069\u7576\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u7db2\u8def\u5de5\u7a0b\u5e2b\u53ef\u4ee5\u5275\u5efa\u6eff\u8db3\u73fe\u4ee3\u8cc7\u6599\u4e2d\u5fc3\u9700\u6c42\u7684\u53ef\u64f4\u5c55\u3001\u53ef\u9760\u7684BGP\u90e8\u7f72\u3002<\/p>\n
\u8acb\u8a18\u4f4f\uff0cBGP\u914d\u7f6e\u9078\u64c7\u6703\u986f\u8457\u5f71\u97ff\u7db2\u8def\u6548\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002\u7121\u8ad6\u60a8\u662f\u7ba1\u7406\u5c0f\u578b\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u9084\u662f\u5927\u898f\u6a21\u8cc7\u6599\u4e2d\u5fc3\uff0c\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u539f\u5247\u548c\u5be6\u8e10\u90fd\u5c07\u5e6b\u52a9\u60a8\u505a\u51fa\u95dc\u65bcBGP\u5be6\u65bd\u7b56\u7565\u7684\u660e\u667a\u6c7a\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=””]  […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":22909,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4815],"tags":[6896,6897,6898,6728,6311],"class_list":["post-22939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-tc","tag-ibgp-tc","tag-bgp-routing-protocol-tc","tag-network-engineering-tc","tag-bgp-configuration-tc","tag-ebgp-tc"],"acf":[],"yoast_head":"\n