{"id":265,"date":"2025-08-04T16:14:49","date_gmt":"2025-08-04T08:14:49","guid":{"rendered":"https:\/\/0x0.pub\/?p=265"},"modified":"2025-08-04T16:14:49","modified_gmt":"2025-08-04T08:14:49","slug":"mpls-vpn-%e8%b7%a8%e5%9f%9f%e6%96%b9%e6%a1%88-c%e6%96%b9%e5%bc%8f%e4%b8%80","status":"publish","type":"post","link":"https:\/\/0x0.pub\/?p=265","title":{"rendered":"MPLS VPN \u8de8\u57df\u65b9\u6848 C\u65b9\u5f0f\u4e00"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>\u5b9e\u9a8c\u62d3\u6251<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1580\" height=\"559\" src=\"https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-6.png\" alt=\"\" class=\"wp-image-303\" srcset=\"https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-6.png 1580w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-6-300x106.png 300w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-6-768x272.png 768w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-6-1536x543.png 1536w\" sizes=\"auto, (max-width: 1580px) 100vw, 1580px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>\u9700\u6c42\uff1a\u5b9e\u73b0R5-R7\uff0cR6-R8\u4e24\u4e2a\u79df\u6237\u7684\u8de8\u57dfMPLS VPN\u7684\u79c1\u7f51\u4e92\u8054\u3002<\/p>\n\n\n\n<p>\u914d\u7f6e\u601d\u8def<\/p>\n\n\n\n<pre class=\"wp-block-preformatted has-small-font-size\">1. \u642d\u5efa\u9aa8\u5e72\u7f51\u7edc\uff0cR1\/2\/3\/4\/9\u57fa\u7840\u914d\u7f6e\uff0c\u8bbe\u5907\u540d\/\u63a5\u53e3IP\/ISIS\/MPLS\/BGP\u3002<br>2. R2-R3\u5efa\u7acbEGBP\u90bb\u5c45\uff0c\u63a5\u53e3\u5f00\u542fMPLS\uff0c\u914d\u7f6e\u7b56\u7565P1\uff08\u6253MPLS\u6807\u7b7e\uff09\/P2\uff08\u5339\u914d\u5230MPLS\u6807\u7b7e\uff0c\u6253\u4e0aMPLS\u6807\u7b7e\uff09\uff0c<br>R2\u21c4R3\u8c03\u7528P1\u7b56\u7565\uff0cR2\u2192R1\uff0cR3\u2192R4\u8c03\u7528P2\u7b56\u7565\u3002\u6253\u901aR1-R4\u8de8\u57df\u6bb5\u6807\u7b7e\u4ea4\u6362\u3002<br>R1\u21c4R2 R3\u21c4R4\u5f00\u542f\u6807\u7b7e\u8def\u7531\u80fd\u529b\uff0c R2\u2192R1 R3\u2192R4\u4fee\u6539BGP\u4e0b\u4e00\u8df3\u4e3a\u672c\u5730\u3002<br>3. R2\u53d1\u5e031.1.1.1 32  R3\u53d1\u5e034.4.4.4 32 BGP\u8def\u7531\u3002R1\/R4\u5efa\u7acb EBGP VPNV4\u90bb\u5c45\u5173\u7cfb\uff0c\u4fee\u6539\u6700\u5927\u8df3\u6570255\u3002<br>4. R1\/R4\u914d\u7f6evpn\u5b9e\u5217\u548cRD\/RT\uff0c\u63a5\u53e3\u7ed1\u5b9a\u5b9e\u4f8b\u914d\u7f6eIP\uff0cR1\u4e0eR5\/6\u5206\u522b\u5efa\u7acbEBGP\uff0cR4\u4e0eR7\/8\u540c\u6837\u3002R5\/6\/7\/8\u53d1\u5e03\u73af\u56de\u53e3\u79c1\u7f51IP\u3002<\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p>\u914d\u7f6e\u547d\u4ee4<\/p>\n\n\n\n<p>#R1<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R1\nint g0\/0\/0\nip addr 19.0.0.1 24\nint lo0\nip addr 1.1.1.1 32\n\nip vpn-instance 5\n ipv4-family\n  route-distinguisher 5:5\n  vpn-target 5:7 export-extcommunity\n  vpn-target 7:5 import-extcommunity\nip vpn-instance 6\n ipv4-family\n  route-distinguisher 6:6\n  vpn-target 6:8 export-extcommunity\n  vpn-target 8:6 import-extcommunity\n\nint g0\/0\/1\n ip binding vpn-instance 5\n ip addr 15.0.0.1 24\nint g0\/0\/2\n ip binding vpn-instance 6\n ip addr 16.0.0.1 24\n\nisis 1\nisis-level level-2\nnetwork-ent 49.0001.0000.0000.0001.00\nint g0\/0\/0\nisis en 1\nint lo0\nisis en 1\n\nmpls lsr-id 1.1.1.1\nmpls\nmpls ldp\nint g0\/0\/0\nmpls\nmpls ldp\n\n\nbgp 12\nrouter-id 1.1.1.1\nundo default ipv4-unicast\npeer 2.2.2.2 as 12 \n peer 2.2.2.2 connect-int lo0\n peer 4.4.4.4 as 34 \n peer 4.4.4.4 ebgp-max-hop 255 \n peer 4.4.4.4 connect-int lo0\n peer 15.0.0.5 as 5 \n peer 16.0.0.6 as 6 \n ipv4-family unicast\n  peer 2.2.2.2 en\n  peer 2.2.2.2 label-route-capability\n \n ipv4-family vpnv4\n  peer 4.4.4.4 enable\n\n ipv4-family vpn-instance 5 \n  peer 15.0.0.5 as 5 \n ipv4-family vpn-instance 6 \n  peer 16.0.0.6 as 6 <\/code><\/pre>\n\n\n\n<p>#R9<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R9\nint g0\/0\/0\nip addr 19.0.0.9 24\nint g0\/0\/1\nip addr 29.0.0.9 24\nint lo0\nip addr 9.9.9.9 32\n\nroute-policy P1 permit node 10\napply mpls-label\nroute-policy P2 permit node 10\nif-match mpls-label\napply mpls-label\n\nisis 1\nis-level level-2\nnetwork-ent 49.0009.0000.0000.0009.00\nint g0\/0\/0\nisis en 1\nint g0\/0\/1\nisis en 1\nint lo0\nisis en 1\n\nmpls lsr-id 9.9.9.9\nmpls\nmpls ldp\nint g0\/0\/0\nmpls\nmpls ldp\nint g0\/0\/1\nmpls\nmpls ldp<\/code><\/pre>\n\n\n\n<p>#R2<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R2\nint g0\/0\/1\nip addr 29.0.0.2 24\nint g0\/0\/0\nip addr 23.0.0.2 24\nmpls\nint lo0\nip addr 2.2.2.2 32\n\nroute-policy P1 permit node 10\napply mpls-label\nroute-policy P2 permit node 10\nif-match mpls-label\napply mpls-label\n\nisis 1\nis-level level-2\nnetwork-ent 49.0002.0000.0000.0003.00\nint g0\/0\/1\nisis en 1\nint lo0\nisis en 1\n\nmpls lsr-id 2.2.2.2\nmpls\nmpls ldp\nint g0\/0\/1\nmpls\nmpls ldp\n\nroute-policy P1 permit node 10 \n apply mpls-label\nroute-policy P2 permit node 10 \n if-match mpls-label \n apply mpls-label\n\nbgp 12\nrouter-id 2.2.2.2\nundo default ipv4-unicast\npeer 1.1.1.1 as-number 12 \npeer 1.1.1.1 connect-int lo0\npeer 23.0.0.3 as 34\nipv4-family unicast\n  network 1.1.1.1 32\n  peer 1.1.1.1 en\n  peer 1.1.1.1 route-policy P2 export\n  peer 1.1.1.1 next-hop-local \n  peer 1.1.1.1 label-route-capability\n  peer 23.0.0.3 en\n  peer 23.0.0.3 route-policy P1 export\n  peer 23.0.0.3 label-route-capability<\/code><\/pre>\n\n\n\n<p>#R3<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R3\nint g0\/0\/0\nip addr 23.0.0.3 24\nmpls\nint g0\/0\/1\nip addr 34.0.0.3 24\nint lo0\nip addr 3.3.3.3 32\n\nroute-policy P1 permit node 10\napply mpls-label\nroute-policy P2 permit node 10\nif-match mpls-label\napply mpls-label\n\nisis 1\nis-level level-2\nnetwork-ent 49.0003.0000.0000.0003.00\nint g0\/0\/1\nisis en 1\nint lo0\nisis en 1\n\nmpls lsr-id 3.3.3.3\nmpls\nmpls ldp\nint g0\/0\/1\nmpls\nmpls ldp\n\nroute-policy P1 permit node 10 \n apply mpls-label\nroute-policy P2 permit node 10 \n if-match mpls-label \n apply mpls-label\n\nbgp 34\nrouter-id 3.3.3.3\nundo default ipv4-unicast\npeer 4.4.4.4 as 34 \npeer 4.4.4.4 connect-int lo0\npeer 23.0.0.2 as 12 \n ipv4-family unicast\n  network 4.4.4.4 32\n  peer 4.4.4.4 en\n  peer 4.4.4.4 route-policy P2 export\n  peer 4.4.4.4 next-hop-local \n  peer 4.4.4.4 label-route-capability\n  peer 23.0.0.2 en\n  peer 23.0.0.2 route-policy P1 export\n  peer 23.0.0.2 label-route-capability<\/code><\/pre>\n\n\n\n<p>#R4<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R4\nint g0\/0\/0\nip addr 34.0.0.4 24\nint lo0\nip addr 4.4.4.4 32\n\nip vpn-instance 7\n ipv4-family\n  route-distinguisher 7:7\n  vpn-target 7:5 export-extcommunity\n  vpn-target 5:7 import-extcommunity\nip vpn-instance 8\n ipv4-family\n  route-distinguisher 8:8\n  vpn-target 8:6 export-extcommunity\n  vpn-target 6:8 import-extcommunity\n\nint g0\/0\/1\n ip binding vpn-instance 7\n ip addr 47.0.0.4 24\nint g0\/0\/2\n ip binding vpn-instance 8\n ip addr 48.0.0.4 24\n\nisis 1\nis-level level-2\nnetwork-ent 49.0004.0000.0000.0004.00\nint g0\/0\/0\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\n\nbgp 34\nrouter-id 4.4.4.4\nundo default ipv4-unicast\npeer 1.1.1.1 as 12 \npeer 1.1.1.1 ebgp-max-hop 255 \npeer 1.1.1.1 connect-int lo0\npeer 3.3.3.3 as 34 \npeer 3.3.3.3 connect-int lo0\npeer 47.0.0.7 as 7 \npeer 48.0.0.8 as 8 \n\nipv4-family unicast\n  peer 3.3.3.3 enable\n  peer 3.3.3.3 label-route-capability\n\n ipv4-family vpnv4\n  peer 1.1.1.1 enable\n\n ipv4-family vpn-instance 7 \n  peer 47.0.0.7 as 7 \n\n ipv4-family vpn-instance 8 \n  peer 48.0.0.8 as 8 <\/code><\/pre>\n\n\n\n<p>#R5<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R5\nint g0\/0\/0\nip addr 15.0.0.5 24\nint lo0\nip addr 5.5.5.5 32\n\nbgp 5\nrouter-id 5.5.5.5\npeer 15.0.0.1 as 12\nipv4-family unicast\n netowrk 5.5.5.5 32\n peer 15.0.0.1 en<\/code><\/pre>\n\n\n\n<p>#R6<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R6\nint g0\/0\/0\nip addr 16.0.0.6 24\nint lo0\nip addr 6.6.6.6 32\n\nbgp 6\nrouter-id 6.6.6.6\npeer 16.0.0.1 as 12\nipv4-family unicast\n netowrk 6.6.6.6 32\n peer 16.0.0.1 en<\/code><\/pre>\n\n\n\n<p>#R7<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R7\nint g0\/0\/0\nip addr 47.0.0.7 24\nint lo0\nip addr 7.7.7.7 32\n\nbgp 7\nrouter-id 7.7.7.7\npeer 47.0.0.4 as 34\nipv4-family unicast\n netowrk 7.7.7.7 32\n peer 47.0.0.4 en<\/code><\/pre>\n\n\n\n<p>#R8<\/p>\n\n\n\n<pre class=\"wp-block-code has-small-font-size\"><code>sys\nsysn R8\nint g0\/0\/0\nip addr 48.0.0.8 24\nint lo0\nip addr 8.8.8.8 32\n\nbgp 8\nrouter-id 8.8.8.8\npeer 48.0.0.4 as 34\nipv4-family unicast\n netowrk 8.8.8.8 32\n peer 48.0.0.4 en<\/code><\/pre>\n\n\n\n<p>\u9a8c\u8bc1\u7ed3\u679c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"845\" height=\"643\" src=\"https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-7.png\" alt=\"\" class=\"wp-image-308\" srcset=\"https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-7.png 845w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-7-300x228.png 300w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-7-768x584.png 768w\" sizes=\"auto, (max-width: 845px) 100vw, 845px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"826\" height=\"614\" src=\"https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-8.png\" alt=\"\" class=\"wp-image-309\" srcset=\"https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-8.png 826w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-8-300x223.png 300w, https:\/\/0x0.pub\/wp-content\/uploads\/2025\/08\/image-8-768x571.png 768w\" sizes=\"auto, (max-width: 826px) 100vw, 826px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u9a8c\u62d3\u6251 \u9700\u6c42\uff1a\u5b9e\u73b0R5-R7\uff0cR6-R8\u4e24\u4e2a\u79df\u6237\u7684\u8de8\u57dfMPLS VPN\u7684\u79c1\u7f51\u4e92\u8054\u3002 \u914d\u7f6e\u601d\u8def 1. \u642d\u5efa\u9aa8\u5e72 [&hellip;]<\/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":[35,51],"class_list":["post-265","post","type-post","status-publish","format-standard","hentry","category-ensp","tag-mpls-vpn"],"_links":{"self":[{"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts\/265","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=265"}],"version-history":[{"count":7,"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts\/265\/revisions"}],"predecessor-version":[{"id":310,"href":"https:\/\/0x0.pub\/index.php?rest_route=\/wp\/v2\/posts\/265\/revisions\/310"}],"wp:attachment":[{"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/0x0.pub\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}