{"id":982,"date":"2021-10-11T21:02:13","date_gmt":"2021-10-12T04:02:13","guid":{"rendered":"https:\/\/www.xh86.me\/?p=982"},"modified":"2021-10-11T21:02:13","modified_gmt":"2021-10-12T04:02:13","slug":"%e6%80%9d%e7%a7%91%e8%b7%af%e7%94%b1%e5%99%a8mpls-vpn%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=982","title":{"rendered":"\u601d\u79d1\u8def\u7531\u5668MPLS-VPN\u914d\u7f6e"},"content":{"rendered":"
\u9700\u6c42\uff1a<\/h5>\n
    \n
  1. \u5b8c\u6210\u57fa\u672cIP\u914d\u7f6e<\/li>\n
  2. BGP234\u5185\u8fd0\u884cOSPF\uff08\u8fdb\u7a0b\u53f7100\uff09\uff0c\u6fc0\u6d3bMPLS<\/li>\n
  3. \u5728PE\u4e0a\u521b\u5efaVRF\uff0c\u5c06PE-CE\u95f4\u7684\u63a5\u53e3\u653e\u5165VRF\uff1b\u5728PE\u548cCE\u95f4\u8fd0\u884cIGP\u534f\u8bae<\/li>\n
  4. PE\u914d\u7f6eMP-BGP\uff0c\u5efa\u7acbMP-iBGP\u90bb\u63a5\u5173\u7cfb<\/li>\n
  5. \u5b8c\u6210PE-CE\u4e4b\u95f4\u7684\u8def\u7531\u91cd\u53d1\u5e03<\/li>\n<\/ol>\n
    \u62d3\u6251\uff1a<\/h5>\n

    \u70b9\u51fb\u56fe\u7247\u67e5\u770b\u5927\u56fe<\/p>\n

    \"\"<\/div><\/p>\n
    \u914d\u7f6e:<\/h5>\n

    CE1\uff1a<\/p>\n

    \n
    \n
    interface Loopback0\r\n ip address 1.1.1.1 255.255.255.255\r\n!\r\ninterface Ethernet0\/0\r\n ip address 192.168.1.254 255.255.255.0\r\n!\r\ninterface Ethernet0\/1\r\n ip address 202.0.12.1 255.255.255.0\r\n mpls ip #\u6b64\u5904\u542f\u7528mpls\u53ea\u4e3a\u80fd\u8ddf\u8e2a\u5230mpls\u4e0a\u7684\u6d41\u91cf\r\n!\r\ninterface Ethernet0\/2\r\n no ip address\r\n shutdown\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 1\r\n router-id 1.1.1.1\r\n network 1.1.1.1 0.0.0.0 area 0\r\n network 192.168.1.254 0.0.0.0 area 0\r\n network 202.0.12.1 0.0.0.0 area 0\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    CE2\uff1a<\/p>\n
    \n
    \n
    interface Loopback0\r\n ip address 5.5.5.5 255.255.255.255\r\n!\r\ninterface Ethernet0\/0\r\n ip address 202.0.45.5 255.255.255.0\r\n!\r\ninterface Ethernet0\/1\r\n ip address 192.168.2.254 255.255.255.0\r\n!\r\ninterface Ethernet0\/2\r\n no ip address\r\n shutdown\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 1\r\n router-id 5.5.5.5\r\n network 5.5.5.5 0.0.0.0 area 0\r\n network 192.168.2.254 0.0.0.0 area 0\r\n network 202.0.45.5 0.0.0.0 area 0\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    CE3\uff1a<\/p>\n
    \n
    \n
    interface Loopback0\r\n ip address 6.6.6.6 255.255.255.0\r\n!\r\ninterface Ethernet0\/0\r\n ip address 202.0.26.6 255.255.255.0\r\n!\r\ninterface Ethernet0\/1\r\n ip address 192.168.1.254 255.255.255.0\r\n!\r\ninterface Ethernet0\/2\r\n no ip address\r\n shutdown\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 1\r\n router-id 6.6.6.6\r\n network 192.168.1.254 0.0.0.0 area 0\r\n network 202.0.26.6 0.0.0.0 area 0\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    CE4\uff1a<\/p>\n
    \n
    \n
    interface Ethernet0\/0\r\n ip address 202.0.47.7 255.255.255.0\r\n!\r\ninterface Ethernet0\/1\r\n ip address 192.168.2.254 255.255.255.0\r\n!\r\ninterface Ethernet0\/2\r\n no ip address\r\n shutdown\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 1\r\n network 192.168.2.254 0.0.0.0 area 0\r\n network 202.0.47.7 0.0.0.0 area 0\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    PE1\uff1a<\/p>\n
    \n
    \n
    ip vrf kenan #\u5b9a\u4e49\u540d\u4e3akenan\u7684VRF\r\n rd 234:2 #\u8bbe\u7f6eRD\u503c\uff08AS\u53f7\u52a0\u7f16\u53f7\uff09\r\n route-target export 234:2 #\u8bbe\u7f6e\u51fa\u65b9\u5411\u7684RT\u503c\uff08\u548c\u5bf9\u7aefPE\u7684import\u5bf9\u5e94\uff09\r\n route-target import 234:4 #\u8bbe\u7f6e\u5165\u65b9\u5411\u7684RT\u503c\uff08\u548c\u5bf9\u7aefPE\u7684export\u5bf9\u5e94\uff09\r\n!\r\nip vrf xiaokun\r\n rd 234:5\r\n route-target export 234:6\r\n route-target import 234:7\r\n!\r\n!\r\n!\r\n!\r\nmpls label range 200 299 #\u8bbe\u7f6empls\u6807\u7b7e\u8303\u56f4\uff08\u4ec5\u4e3a\u65b9\u4fbf\u5b9e\u9a8c\u89c2\u5bdf\uff0c\u73b0\u7f51\u4e2d\u8bf7\u614e\u7528\uff09\r\nmpls ldp router-id Loopback0 #\r\n!\r\n!\r\ninterface Loopback0\r\n ip address 2.2.2.2 255.255.255.255\r\n!\r\ninterface Ethernet0\/0\r\n ip vrf forwarding kenan #\u5c06\u63a5\u53e3\u5212\u5206\u7ed9vrf\uff08\u5212\u5206\u4e4b\u540e\u63a5\u53e3IP\u5730\u5740\u4f1a\u88ab\u79fb\u9664\uff09\r\n ip address 202.0.12.2 255.255.255.0\r\n!\r\ninterface Ethernet0\/1\r\n ip address 202.0.23.2 255.255.255.0\r\n mpls ip #\u542f\u7528mpls\r\n!\r\ninterface Ethernet0\/2\r\n ip vrf forwarding xiaokun\r\n ip address 202.0.26.2 255.255.255.0\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 1 vrf kenan #\u914d\u7f6ePE\u548cCE\u4e4b\u95f4\u7684\u52a8\u6001\u8def\u7531\uff08\u9700\u5728\u5b8c\u6210vrf\u914d\u7f6e\u4e4b\u540e\uff0c\u4e0d\u7136\u65e0\u6cd5\u542f\u52a8\u8fdb\u7a0b\uff09\r\n redistribute bgp 234 subnets #\u5c06bgp\u91cd\u53d1\u5e03\u8fdb\u6b64\u8def\u7531\u8fdb\u7a0b\r\n network 202.0.12.2 0.0.0.0 area 0\r\n!\r\nrouter ospf 2 vrf xiaokun\r\n redistribute bgp 234 subnets\r\n network 202.0.26.2 0.0.0.0 area 0\r\n!\r\nrouter ospf 100\r\n router-id 2.2.2.2\r\n network 2.2.2.2 0.0.0.0 area 0\r\n network 202.0.23.2 0.0.0.0 area 0\r\n!\r\nrouter bgp 234\r\n bgp router-id 2.2.2.2\r\n no bgp default ipv4-unicast #\u5173\u95edbgp\u7684ipv4\u5355\u64ad\r\n neighbor 4.4.4.4 remote-as 234\r\n neighbor 4.4.4.4 update-source Loopback0\r\n !\r\n address-family vpnv4 #\u8fdb\u5165vpnv4\u5730\u5740\u65cf\r\n  neighbor 4.4.4.4 activate #\u6fc0\u6d3b\u90bb\u5c45\r\n  neighbor 4.4.4.4 send-community extended\r\n exit-address-family\r\n !\r\n address-family ipv4 vrf kenan\r\n  redistribute ospf 1 match internal external 1 external 2 #\u5c06vrf\u7684OSPF\u8def\u7531\u91cd\u53d1\u5e03\u8fdbBGP\uff08\u5c06\u6240\u6709OSPF\u7684\u8def\u7531\u90fd\u91cd\u53d1\u5e03\u8fdb\u6765\uff09\r\n exit-address-family\r\n !\r\n address-family ipv4 vrf xiaokun\r\n  redistribute ospf 2 match internal external 1 external 2\r\n exit-address-family\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    PE2\uff1a<\/p>\n
    \n
    \n
    ip vrf kenan\r\n rd 234:4\r\n route-target export 234:4\r\n route-target import 234:2\r\n!\r\nip vrf xiaokun\r\n rd 234:5\r\n route-target export 234:7\r\n route-target import 234:6\r\n!\r\n!\r\n!\r\nmpls label range 400 499\r\nmpls ldp router-id Loopback0\r\n!\r\ninterface Loopback0\r\n ip address 4.4.4.4 255.255.255.255\r\n!\r\ninterface Ethernet0\/0\r\n ip address 202.0.34.4 255.255.255.0\r\n mpls ip\r\n!\r\ninterface Ethernet0\/1\r\n ip vrf forwarding kenan\r\n ip address 202.0.45.4 255.255.255.0\r\n!\r\ninterface Ethernet0\/2\r\n ip vrf forwarding xiaokun\r\n ip address 202.0.47.4 255.255.255.0\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 1 vrf kenan\r\n redistribute bgp 234 subnets\r\n network 202.0.45.4 0.0.0.0 area 0\r\n!\r\nrouter ospf 2 vrf xiaokun\r\n redistribute bgp 234 subnets\r\n network 202.0.47.4 0.0.0.0 area 0\r\n!\r\nrouter ospf 100\r\n router-id 4.4.4.4\r\n network 4.4.4.4 0.0.0.0 area 0\r\n network 202.0.34.4 0.0.0.0 area 0\r\n!\r\nrouter bgp 234\r\n bgp router-id 4.4.4.4\r\n bgp log-neighbor-changes\r\n no bgp default ipv4-unicast\r\n neighbor 2.2.2.2 remote-as 234\r\n neighbor 2.2.2.2 update-source Loopback0\r\n !\r\n address-family ipv4\r\n  neighbor 2.2.2.2 activate\r\n exit-address-family\r\n !\r\n address-family vpnv4\r\n  neighbor 2.2.2.2 activate\r\n  neighbor 2.2.2.2 send-community extended\r\n exit-address-family\r\n !\r\n address-family ipv4 vrf kenan\r\n  redistribute ospf 1 match internal external 1 external 2\r\n exit-address-family\r\n !\r\n address-family ipv4 vrf xiaokun\r\n  redistribute ospf 2 match internal external 1 external 2\r\n exit-address-family\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    P\uff1a<\/p>\n
    \n
    \n
    mpls label range 300 399\r\nmpls ldp router-id Loopback0\r\n!\r\ninterface Loopback0\r\n ip address 3.3.3.3 255.255.255.255\r\n!\r\ninterface Ethernet0\/0\r\n ip address 202.0.23.3 255.255.255.0\r\n mpls ip\r\n!\r\ninterface Ethernet0\/1\r\n ip address 202.0.34.3 255.255.255.0\r\n mpls ip\r\n!\r\ninterface Ethernet0\/2\r\n no ip address\r\n shutdown\r\n!\r\ninterface Ethernet0\/3\r\n no ip address\r\n shutdown\r\n!\r\nrouter ospf 100\r\n router-id 3.3.3.3\r\n network 3.3.3.3 0.0.0.0 area 0\r\n network 202.0.23.3 0.0.0.0 area 0\r\n network 202.0.34.3 0.0.0.0 area 0\r\n!\r\n\r\n<\/pre>\n<\/div>\n<\/div>\n
    PC1pingPC2\uff0c\u6293\u5305\u53d1\u73b0\u786e\u5b9e\u662f\u53bb\u4e86PC2\uff08\u6ca1\u6709\u53bbPC4\uff09\uff1a<\/p>\n
    \u70b9\u51fb\u56fe\u7247\u67e5\u770b\u5927\u56fe<\/p>\n
    \"\"<\/div><\/p>\n
    PC3pingPC4\u540c\u7406\uff1a<\/p>\n
    \u70b9\u51fb\u56fe\u7247\u67e5\u770b\u5927\u56fe<\/p>\n
    \"\"<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"
    \u9700\u6c42\uff1a \u5b8c\u6210\u57fa\u672cIP\u914d\u7f6e BGP234\u5185\u8fd0\u884cOSPF\uff08\u8fdb\u7a0b\u53f7100\uff09\uff0c\u6fc0\u6d3bMPLS \u5728PE\u4e0a\u521b\u5efaVRF\uff0c\u5c06PE […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-982","post","type-post","status-publish","format-standard","hentry","category-cisco"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=982"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/982\/revisions"}],"predecessor-version":[{"id":983,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/982\/revisions\/983"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}