{"id":261,"date":"2025-08-05T22:12:58","date_gmt":"2025-08-05T14:12:58","guid":{"rendered":"https:\/\/0x0.pub\/?p=261"},"modified":"2025-08-06T13:34:41","modified_gmt":"2025-08-06T05:34:41","slug":"hubspoke%e7%bb%84%e7%bd%91%e6%96%b9%e5%bc%8f%e4%b8%80","status":"publish","type":"post","link":"https:\/\/0x0.pub\/?p=261","title":{"rendered":"Hub&Spoke\u7ec4\u7f51\u65b9\u5f0f\u4e00"},"content":{"rendered":"\n

<\/p>\n\n\n\n

\u62d3\u6251\u56fe<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u9700\u6c42\uff1aR1\u548cR2\u662f\u5206\u90e8\uff0cR6\u662f\u603b\u90e8\uff0c\u5b9e\u73b0\u5206\u90e8\u95f4\u7684\u5185\u7f51\u4e92\u8bbf\u6d41\u91cf\u7ecf\u8fc7\u603b\u90e8\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u601d\u8def<\/p>\n\n\n\n

1.R3-R4-R5\u9aa8\u5e72\u7f51\u5e95\u5c42\u63a5\u53e3IP ISIS MPLS BGP\u914d\u7f6e
2.R3 R5\u914d\u7f6eVPN\u5b9e\u4f8b(HUB&Spoke\u90fd\u662fBGP\u90bb\u5c45\u5173\u7cfb)
3.\u914d\u7f6eCE\u7aef R1\/R2\/R6\u7684\u63a5\u53e3IP\u548cBGP
4.CE\/PE BGP\u6253\u7834AS\u9632\u73af\u914d\u7f6e
5.\u5982\u679c\u5206\u90e8CE-PE\u4f7f\u7528OSPF\uff0cHUB-PE2\u4f7f\u7528BGP
6.\u5206\u90e8CE-PE\u548cHUB-PE\u4f7f\u7528IGP\uff0c\u672a\u5199\u3002
7.\u5982\u679cCE-PE1 \u4f7f\u7528BGP\uff0cHUB-PE2\u4f7f\u7528OSPF\u3002\u4e0d\u9002\u7528\u6b64\u65b9\u6848\u3002\u539f\u56e0\u5982\u4e0b\uff1a
HUB\u4fa7PE2 in\u5b9e\u4f8b\u628abgp\u8def\u7531\u5f15\u5165\u5230ospf\u4e2d\u4f1a\u4e22\u5931BGP AS\u8def\u5f84\u5c5e\u6027\uff0c
\u518d\u901a\u8fc7HUB-PE2 out\u5b9e\u4f8b\u4f20\u56deCE-PE1\u5b9e\u4f8b\u4e2d\u3002

\u6839\u636e\u4f18\u9009\u539f\u5219CE-PE1\u5b9e\u4f8b\u4e2d\u4f1a\u4f18\u9009HUB\u4fa7out\u5b9e\u5217\u4e2d\u5f15\u5165\u7684ospf\u65e0BGP AS\u7684\u8def\u7531\uff0c
CE1\u8d77\u6e90\u4f20\u6765CE-PE1\u5b9e\u4f8b\u7684bgp\u8def\u7531\u5e26\u4e86AS\u5c5e\u6027\u8ba1\u7b97\u51fa\u4e0d\u662f\u6700\u4f18\u4e0d\u52a0\u8868\u3002

\u7531\u4e8eCE1\u624d\u662f\u6b64\u8def\u7531\u6761\u76ee\u7684\u8d77\u6e90\uff0c\u4f46\u662f\u8d77\u6e90CE1\u4f20\u7ed9CE-PE1\u4e0d\u662f\u6700\u4f18\u4e0d\u52a0\u8868\u3002
\u6240\u4ee5CE-PE1\u4eceHUB-PE2\u5b66\u6765\u7684\u6700\u4f18\u8def\u7531\u7684\u8d77\u6e90\u5931\u6548\u540e\uff0c\u6b64\u8def\u7531\u6761\u76ee\u4e5f\u4f1a\u5931\u6548\u3002

CE1\u518d\u6b21\u901a\u8fc7bgp\u66f4\u65b0\u8def\u7531\uff0c\u91cd\u590d\u4ee5\u4e0a\u7684\u52a8\u4f5c\u540e\u4f1a\u518d\u6b21\u6d88\u5931\u3002
\u6700\u7ec8\u4f1a\u9020\u6210\u5faa\u73af\u7684\u8def\u7531\u9707\u8361\u3002<\/pre>\n\n\n\n
\u914d\u7f6e\u547d\u4ee4<\/p>\n\n\n\n
1.R3-R4-R5\u9aa8\u5e72\u7f51\u5e95\u5c42\u63a5\u53e3IP ISIS MPLS BGP\u914d\u7f6e\u3002<\/p>\n\n\n\n
###R3\nsys\nsysn R3\nint g0\/0\/0\nip addr 172.16.13.3 24\nint lo0\nip addr 3.3.3.3 32\n\nisis 1\nis-level level-2\nnetwork-entity 49.0003.0000.0000.0003.00\nint g0\/0\/2\nisis en 1\nint lo0 \nisis en 1\n\nmpls lsr-id 3.3.3.3\nmpls\nmpls ldp\nint g0\/0\/2\nmpls\nmpls ldp\n\nbgp 500\nrouter-id 3.3.3.3\nundo default ipv4-unicast\npeer 5.5.5.5 as-number 500 \npeer 5.5.5.5 connect-interface LoopBack0\nipv4-family vpnv4\npeer 5.5.5.5 enable\n\n\n###R4\nsys\nsysn R4\nint g0\/0\/0\nip addr 172.16.34.4 24\nint g0\/0\/1\nip addr 172.16.45.4 24\nint lo0\nip addr 4.4.4.4 32\n\nisis 1\nis-level level-2\nnetwork-entity 49.0004.0000.0000.0004.00\nint g0\/0\/0\nisis en 1\nint g0\/0\/1\nisis en 1\nint lo0 \nisis en 1\n\nmpls lsr-id 4.4.4.4\nmpls\nmpls ldp\nint g0\/0\/0\nmpls\nmpls ldp\nint g0\/0\/1\nmpls\nmpls ldp\n\n\n###R5\nsys\nsysn R5\nint g0\/0\/0\nip addr 172.16.45.5 24\nint lo0\nip addr 5.5.5.5 32\n\nisis 1\nis-level level-2\nnetwork-entity 49.0005.0000.0000.0005.00\nint g0\/0\/1\nisis en 1\nint lo0 \nisis en 1\n\nqu\nmpls lsr-id 5.5.5.5\nmpls\nmpls ldp\nint g0\/0\/0\nmpls\nmpls ldp\n\nqu\nbgp 500\nrouter-id 5.5.5.5\nundo default ipv4-unicast\npeer 3.3.3.3 as-number 500 \npeer 3.3.3.3 connect-interface LoopBack0\nipv4-family vpnv4\npeer 3.3.3.3 enable<\/code><\/pre>\n\n\n\n
2.R3 R5\u914d\u7f6eVPN\u5b9e\u4f8b(HUB&Spoke\u90fd\u662fBGP\u90bb\u5c45\u5173\u7cfb)<\/p>\n\n\n\n
###PE1 (R3)\nip vpn-instance 1\nroute-distinguisher 1:1\nvpn-target 12:1 export-extcommunity\nvpn-target 1:12 import-extcommunity\nip vpn-instance 2\nroute-distinguisher 2:2\nvpn-target 12:1 export-extcommunity\nvpn-target 1:12 import-extcommunity\n\nint g0\/0\/0\nip binding vpn-instance 1\nip add 192.168.13.3 24\nint g0\/0\/1\nip binding vpn-instance 2\nip add 192.168.23.3 24\n\nbgp 500\nipv4-family vpn-instance 1\npeer 192.168.13.1 as 100\nipv4-family vpn-instance 2 \npeer 192.168.23.2 as 100\n\n\n\n###PE2 (R5)\nip vpn-instance in\nroute-distinguisher 3:3\nvpn-target 12:1 import-extcommunity\nip vpn-instance out\nroute-distinguisher 4:4\nvpn-target 1:12 export-extcommunity\n  \nint g0\/0\/1.10\nip binding vpn-instance in\nip add 192.168.10.5 24\ndot1q termination vid 10\narp broadcast enable\nint g0\/0\/1.20\nip binding vpn-instance out\nip add 192.168.20.5 24\ndot1q termination vid 20\narp broadcast enable\n\nbgp 500\nipv4-family vpn-instance in \npeer 192.168.10.6 as-number 100\nipv4-family vpn-instance out \npeer 192.168.20.6 as-number 100<\/code><\/pre>\n\n\n\n
3.\u914d\u7f6eCE\u7aef R1\/R2\/R6\u7684\u63a5\u53e3IP\u548cBGP<\/p>\n\n\n\n
###R1\nsys\nsysn R1\nint g0\/0\/0\nip add 192.168.13.1 24\nint lo0\nip add 172.16.1.1 32\n\nbgp 100\nrouter-id 1.1.1.1\npeer 192.168.13.3 as-number 500\npeer 192.168.13.3 enable\nnetwork 172.16.1.1 32\n\n\n###R2\nsys\nsysn R2\nint g0\/0\/0\nip add 192.168.23.2 24\nint lo0\nip add 172.16.2.1 32\n\nbgp 100\nrouter-id 2.2.2.2\npeer 192.168.23.3 as-number 500\npeer 192.168.23.3 enable\nnetwork 172.16.2.1 32\n\n\n###R6\nsys\nsysn R6\nint g0\/0\/0.10\nip add 192.168.10.6 24\ndot1q termination vid 10\narp broadcast enable\nint g0\/0\/0.20\nip add 192.168.20.6 24\ndot1q termination vid 20\narp broadcast enable\nint lo0\nip addr 172.16.3.1 32\n\nbgp 100\nrouter-id 6.6.6.6\npeer 192.168.10.5 as-number 500 \npeer 192.168.20.5 as-number 500 \npeer 192.168.10.5 enable\npeer 192.168.20.5 enable\nnetwork 172.16.3.1 32<\/code><\/pre>\n\n\n\n
4.CE\/PE BGP\u6253\u7834AS\u9632\u73af\u914d\u7f6e<\/p>\n\n\n\n
###R5\nbgp 500\nipv4-family vpn-instance out \npeer 192.168.20.6 allow-as-loop\n\n###R6\nbgp 100\npeer 192.168.10.5 allow-as-loop\n\n###R1\nbgp 100\npeer 192.168.13.3 allow-as-loop 2\n\n###R2\nbgp 100\npeer 192.168.23.3 allow-as-loop 2<\/code><\/pre>\n\n\n\n
5.\u5982\u679c\u5206\u90e8CE-PE\u4f7f\u7528OSPF\uff0cHUB-PE2\u4f7f\u7528BGP\u3002\u5206\u90e8CE\u4e0aOSPF\u53d1\u5e03\u8def\u7531\u901a\u544a\uff0c\u5206\u90e8PE R3\u4e0a\u53cc\u5b9e\u4f8b\u4e2dBGP\/OSPF\u4e92\u76f8\u5f15\u5165\u3002\u8def\u7531\u7b56\u7565\u8fc7\u6ee4\u6389OSPF\u76f4\u8fde\u8def\u7531\u3002<\/p>\n\n\n\n
###CE-PE1 R3\nip ip-prefix 1 index 10 permit 172.16.1.1 32\nip ip-prefix 2 index 10 permit 172.16.2.1 32\nroute-policy 1 permit node 10\nif-match ip-prefix 1\nroute-policy 2 permit node 10\nif-match ip-prefix 2\n\nbgp 500\nipv4-family vpn-instance 1\nimport-route ospf 1 route-policy 1\nipv4-family vpn-instance 2\nimport-route ospf 1 route-policy 2\n\nospf 1\nimport-route bgp\nospf 2\nimport-route bgp\n\n###HUB-PE2 R5  out\u5b9e\u4f8b\u4e2d\u5141\u8bb8bgp as\u73af\u8def\u3002\nbgp 500\nipv4-family vpn-instance out \npeer 192.168.20.6 allow-as-loop<\/code><\/pre>\n\n\n\n
\u9a8c\u8bc1\u7ed3\u679c<\/p>\n\n\n\n
\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"
\u62d3\u6251\u56fe \u9700\u6c42\uff1aR1\u548cR2\u662f\u5206\u90e8\uff0cR6\u662f\u603b\u90e8\uff0c\u5b9e\u73b0\u5206\u90e8\u95f4\u7684\u5185\u7f51\u4e92\u8bbf\u6d41\u91cf\u7ecf\u8fc7\u603b\u90e8\u3002 \u914d\u7f6e\u601d\u8def 1.R3-R4-R5 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[55,35],"class_list":["post-261","post","type-post","status-publish","format-standard","hentry","category-ensp","tag-hubspoke","tag-mpls-vpn"],"_links":{"self":[{"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts\/261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=261"}],"version-history":[{"count":6,"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts\/261\/revisions"}],"predecessor-version":[{"id":352,"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts\/261\/revisions\/352"}],"wp:attachment":[{"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}