{"id":543,"date":"2025-10-22T16:07:37","date_gmt":"2025-10-22T08:07:37","guid":{"rendered":"https:\/\/www.youvii.site\/?p=543"},"modified":"2025-10-22T16:10:19","modified_gmt":"2025-10-22T08:10:19","slug":"bgpevpnjichu","status":"publish","type":"post","link":"https:\/\/www.youvii.site\/index.php\/archives\/bgpevpnjichu","title":{"rendered":"BGP EVPN\u57fa\u7840"},"content":{"rendered":"

BGP EVPN\u57fa\u7840<\/h1>\n

\u6807\u51c6BGP-4\u4ec5\u652f\u6301IPv4\uff0cMP-BGP\u4f5c\u4e3aBGP-4\u6269\u5c55\u5141\u8bb8\u4e0d\u540c\u7c7b\u578b\u7684\u5730\u5740\u65cf\u5728BGP\u4e2d\u540c\u65f6\u5206\u53d1\uff0c\u4f8b\u5982IPv4\u7ec4\u64ad\uff0cIPv6\uff0cL3VPN,EVPN\u7b49<\/p>\n

\u968f\u7740SDN\u53d1\u5c55\u548c\u5546\u7528\uff0cEVPN\uff08Ethernet VPN\uff09\u5728\u5404\u89e3\u51b3\u65b9\u6848\u4e2d\u5360\u636e\u91cd\u8981\u89d2\u8272\uff0c\u5e94\u7528\u5168\u573a\u666f\u5305\u62ec\u56ed\u533a\u7f51\u7edc\u3001\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u3001\u5e7f\u57dfIP\u627f\u8f7d\u7f51\u7edc\u548cSD-WAN<\/p>\n

MP-BGP\uff1a<\/font><\/strong><\/p>\n

\u7528\u4e8e\u5b9e\u73b0BGP-4\u6269\u5c55\u4ee5\u5141\u8bb8BGP\u643a\u5e26\u591a\u79cd\u7f51\u7edc\u5c42\u534f\u8bae\uff08\u5982IPv6\u3001L3VPN\u3001EVPN\u7b49\uff09\u6709\u5f88\u597d\u7684\u5411\u540e\u517c\u5bb9\u6027\uff0c\u5373\u4e00\u4e2a\u652f\u6301MP-BGP\u8def\u7531\u5668\u53ef\u4ee5\u548c\u4e00\u4e2a\u4ec5\u652f\u6301BGP-4\u7684\u8def\u7531\u5668\u4ea4\u4e92<\/font><\/p>\n


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

\"1741833051211-01266566-260a-4534-9749-75c4e2f28fd6.png\"<\/p>\n

BGP-4\u6269\u5c55\uff1a<\/font><\/strong><\/p>\n

\"1741833051266-dd1615cf-8ba2-456c-afa2-20e92fa59188.png\"<\/p>\n

\"1741833051203-d92d773b-38f6-407b-a5b3-0dc7e4c55f21.png\"<\/p>\n

MP_REACH_NLRI\uff1a<\/font><\/strong><\/p>\n

\u6b64\u5c5e\u6027\u88ab\u643a\u5e26\u4e0eBGP update\u62a5\u6587\u4e2d\uff0c\u6709\u4ee5\u4e0b\u4f5c\u7528\uff1a<\/font><\/strong><\/p>\n

\u901a\u544a\u53ef\u8fbe\u8def\u7531\u7ed9BGP\u90bb\u5c45<\/font><\/p>\n

\u901a\u544a\u53ef\u8fbe\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u7ed9BGP\u90bb\u5c45<\/font><\/p>\n

\u5176\u8be6\u7ec6\u5b57\u6bb5\u5982\u4e0b\uff1a<\/font><\/p>\n

\"1741833051230-7f31c257-a5c8-434c-b96a-fd592bd796dc.png\"<\/p>\n

\"1741833051243-f350d1c6-d3d2-41af-a289-335e1055676f.png\"<\/p>\n

MP_UNREACH_NLRI\uff1a<\/font><\/strong><\/p>\n

\u6b64\u5c5e\u6027\u88ab\u643a\u5e26\u4e8eBGP UPdate\u62a5\u6587\u4e2d\uff0c\u7528\u4e8e\u64a4\u9500\u4e0d\u53ef\u8fbe\u8def\u7531<\/font><\/strong><\/p>\n

\u5176\u8be6\u7ec6\u5b57\u6bb5\u5982\u4e0b\uff1a<\/font>\"1741833052053-d7fd950c-f3ac-4c51-838d-d0f53b8a62fb.png\"<\/p>\n

\"1741833051960-07d06b7b-2036-4ca9-97a9-a94b952753e4.png\"<\/p>\n

EVPN\uff1a<\/font><\/strong><\/p>\n

MPLS\uff1a<\/font><\/strong><\/p>\n

\uff08multiprotocol Label Switching\uff09\u591a\u534f\u8bae\u6807\u8bb0\u4ea4\u6362<\/font><\/strong><\/p>\n

\u4f4d\u4e8eTCP\/IP\u534f\u8bae\u6808\u4e2d\u7684\u6570\u636e\u94fe\u8def\u5c42\u548c\u7f51\u7edc\u5c42\u4e4b\u95f4\uff0c\u5728\u4e24\u5c42\u4e4b\u95f4\u589e\u52a0\u4e86\u989d\u5916\u7684MPLS\u5934\u90e8\uff0c\u62a5\u6587\u8f6c\u53d1\u76f4\u63a5\u57fa\u4e8eMPLS\u5934\u90e8\uff0cMPLS\u5934\u90e8\u53c8\u88ab\u79f0\u4e3aMPLS\u6807\u7b7e\uff08label\uff09<\/font><\/strong><\/p>\n

MPLS\u4ee5\u6807\u7b7e\u4ea4\u6362\u4ee3\u66ffIP\u8f6c\u53d1\uff0c\u5b9e\u73b0\u4e86\u57fa\u4e8e\u6807\u7b7e\u7684\u5feb\u901f\u8f6c\u53d1<\/font>**<\/strong>
\n<\/font>**<\/p>\n

MPLS\u8d77\u6e90\u4e8eipv4\uff0c\u5176\u6838\u5fc3\u6280\u672f\u53ef\u6269\u5c55\u591a\u79cd\u7f51\u7edc\u534f\u8bae\uff0c\u5305\u62ecIPV6\u3001IPX\u3001Appletalk\u3001DECnet\u3001CLNP\u7b49\u3002<\/font><\/strong><\/p>\n

MPLS\u4ee5\u6807\u7b7e\u4ea4\u6362\u66ff\u4ee3IP\u8f6c\u53d1\u3002\u6807\u7b7e\u662f\u4e00\u4e2a\u77ed\u800c\u5b9a\u957f\u7684\u3001\u53ea\u5177\u6709\u672c\u5730\u610f\u4e49\u7684\u8fde\u63a5\u6807\u8bc6\u7b26\u3001\u4e0eATM\u7684VPI\/VCI\u4ee5\u53caFrame Relay\u7684DLCI\u7c7b\u4f3c\u3002<\/font><\/strong><\/p>\n

MPLS\u57df\uff08MPLS Domain\uff09\u4e00\u7cfb\u5217\u8fde\u7eed\u7684\u8fd0\u884cMPLS\u7684\u7f51\u7edc\u8bbe\u5907\u6784\u6210\u4e86\u4e00\u4e2aMPLS\u57df<\/font><\/strong><\/p>\n

\"1741833052049-a8503f16-d97d-48b9-9f05-96cca7e5ab2f.png\" <\/p>\n

VPLS\u7b80\u4ecb\uff1a<\/font><\/strong><\/p>\n

VPLS\uff08Virtual Private LAN Service\uff09\u662f\u4e00\u79cd\u57fa\u4e8e\u4ee5\u592a\u7f51\u534f\u8bae\u7684\u4e8c\u5c42VPN\u6280\u672f\uff0c\u5b83\u5728MPLS\u7f51\u7edc\u4e0a\u63d0\u4f9b\u4e86\u7c7b\u4f3cLAN\u7684\u4e1a\u52a1\uff0c\u5141\u8bb8\u7528\u6237\u53ef\u4ee5\u4ece\u591a\u4e2a\u5730\u5740\u4f4d\u7f6e\u63a5\u5165\u7f51\u7edc\u3001\u76f8\u4e92\u8bbf\u95ee<\/font><\/strong><\/p>\n

<\/font><\/strong><\/p>\n

\u4f20\u7edfL2VPN<\/font><\/strong><\/p>\n

\u4f20\u7edf\u7684L2VPN\u4e1a\u52a1\u4f8b\u5982VPLS\uff0c\u63d0\u4f9b\u7528\u6237\u8fdc\u7a0b\u7ad9\u70b9\u4e4b\u95f4\u4e8c\u5c42\u8fde\u63a5\u670d\u52a1\u3002\u7ec4\u5efa\u4e8c\u5c42\u4ea4\u6362\u7f51\uff0c\u50cf\u4e8c\u5c42\u4ea4\u6362\u673a\u4e00\u6837\u900f\u4f20\u4ee5\u592a\u62a5\u6587\u3002\u56e0\u6b64\u5728\u4f20\u7edfL2VPN\u4e2d\u5bf9\u4e8e\u8fdc\u7aefMAC\u5730\u5740\u7684\u5b66\u4e60\u4f9d\u9760ARP\u5e7f\u64ad\u6cdb\u6d2a\u3002<\/font><\/strong><\/p>\n

\"1741833051952-101db1a2-eb30-4ecd-b7dc-4c2d8138dbb1.png\"<\/p>\n

EVPN\u7684\u8bde\u751f\uff1a<\/font><\/strong><\/p>\n

\"1741833052001-87998147-7587-4ca2-9812-e8f996620036.png\"<\/p>\n

\"1741833052308-19c04385-1a26-4794-8fe1-e119db56f3c0.png\" <\/p>\n

EVPN\u7684\u4f18\u52bf\uff1a<\/font><\/strong><\/p>\n

\u98a0\u8986\u4f20\u7edfL2 VPN\u6570\u636e\u9762\u5b66\u4e60\u65b9\u5f0f\uff0c\u5f15\u5165\u63a7\u5236\u9762\u5b66\u4e60MAC\u548cIP\u6307\u5bfc\u6570\u636e\u8f6c\u53d1\uff0c\u5b9e\u73b0\u8f6c\u63a7\u5206\u79bb<\/font><\/strong><\/p>\n

\u89e3\u51b3\u4f20\u7edfL2 VPN\u5178\u578b\u95ee\u9898\uff0c\u5e26\u6765\u53cc\u6d3b\u3001\u5feb\u901f\u6536\u655b\u3001\u7b80\u5316\u8fd0\u7ef4\u7b49<\/font><\/strong><\/p>\n

\"1741833052341-bc13edda-a666-4fbb-a999-5029bd029f86.png\"<\/p>\n

EVPN NLRI\uff1a<\/font><\/strong><\/p>\n

\u5b9a\u4e49\u4e86\u4e00\u79cd\u65b0\u7684BGP NLRI\uff08Network Layer Reachable Information\uff09\u6765\u627f\u8f7d\u6240\u6709\u7684EVPN\u8def\u7531\uff0c\u88ab\u79f0\u4e3aEVPN NLRI<\/font><\/p>\n

EVPN NLRI\u662fMP-BGP\u7684\u65b0\u578b\u6269\u5c55\uff0c\u88ab\u5305\u542b\u4e8eMP_REACH_NLRI\u4e2d\uff0c\u5b9a\u4e49\u4e86\u65b0\u7684NLRI\uff0c\u89c4\u5b9a\u4e86EVPN\u7684AFI\uff08Address Family Identifier\uff09\u662f25\uff0cSAFI\uff08Suubsequent Addres Family Identifier\uff09\u662f70<\/font><\/p>\n

\"1741833052268-785eda23-1ef0-4fa8-a0fc-9cee8607ccaf.png\"<\/p>\n

EVPN\u8def\u7531\uff1a<\/font><\/strong><\/p>\n

EVPN NLRI\u683c\u5f0f\u91c7\u7528TLV\u4e09\u5143\u7ec4\u7ed3\u6784\uff0c\u4f7f\u5f97\u62a5\u6587\u6709\u7075\u6d3b\u6027\u548c\u6269\u5c55\u6027<\/font><\/p>\n

Route Type\u5b9a\u4e49\u4e86\u4e0d\u540c\u7684EVPN\u8def\u7531<\/font><\/p>\n

Length \u5b9a\u4e49\u4e86\u5b57\u6bb5\u957f\u5ea6<\/font><\/p>\n

Route Type Specifc\u8868\u793a\u4e0d\u540c\u8def\u7531\u7c7b\u578b\u6709\u4e0d\u540c\u5b57\u6bb5\u586b\u5145<\/font><\/p>\n

\"1741833052701-79ee3750-ce83-4606-b1ad-0c15ad0ad214.png\"<\/p>\n

EVPN\u66f4\u591a\u7c7b\u578b\u8def\u7531\u53ca\u5e94\u7528\uff1a<\/font><\/strong><\/p>\n

EVPN\u4e0d\u4ec5\u9650\u4e8e\u4e8c\u5c42VPN\u5e94\u7528\uff0c\u968f\u7740EVPN\u8def\u7531\u7c7b\u578b\u7684\u6574\u673a\uff0c\u652f\u6301\u66f4\u591a\u7684\u5e94\u7528 \u5982L3 VPN<\/font><\/p>\n

\"1741833052823-55fdcf87-ab0a-43d2-a370-9d010522314e.png\"<\/p>\n

\"1741833052824-000aef10-1808-4d4b-a7bb-8c5726a0c5c3.png\"<\/p>\n

EVPN\u534f\u8bae\u6807\u51c6\uff1a<\/font><\/strong><\/p>\n

\"1741833052872-7ccdf801-7749-4ba3-8245-d38bb50ac07d.png\"<\/p>\n

EVPN\u5e94\u7528\u573a\u666f\uff1a<\/font><\/strong><\/p>\n

EVPN\u5728\u5e7f\u57dfIP\u627f\u8f7d\u7f51\u7684\u5e94\u7528<\/font><\/strong><\/p>\n

\"1741833052876-e7b9bfa8-c15f-4f51-838c-5bc4da4752d9.png\"<\/p>\n

\"1741833053396-8685784a-eba0-4a8f-b280-8e87194443b5.png\"<\/p>\n

EVPN\u5728\u6570\u636e\u4e2d\u5fc3\u7684\u5e94\u7528<\/font><\/strong><\/p>\n

\"1741833053496-086ed918-18ee-4e5f-9585-e1c8ec83b2a8.png\"<\/p>\n

EVPN\u5728\u56ed\u533a\u7f51\u7684\u5e94\u7528<\/font><\/strong><\/p>\n

\"1741833053477-cd4de4b2-d03e-48da-9fcd-0b6da93264f6.png\"<\/p>\n

EVPN\u5728SD-WAN\u7684\u5e94\u7528<\/font><\/strong><\/p>\n

\"1741833053523-2a2ff88f-798c-4b5b-9862-594e08c67e15.png\"<\/p>\n

\"1741833053416-749fe9af-0a4c-4495-b00a-26ac23fe1cac.png\"<\/p>\n

\n

\u66f4\u65b0: 2025-03-13 10:31:31
\n\u539f\u6587: https:\/\/www.yuque.com\/yuhui.net\/network\/yiqpg38n11vlbnfu<\/a><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

BGP EVPN\u57fa\u7840 \u6807\u51c6BGP-4\u4ec5\u652f\u6301IPv4\uff0cMP-BGP\u4f5c\u4e3aBGP-4\u6269\u5c55\u5141\u8bb8\u4e0d\u540c\u7c7b\u578b\u7684\u5730\u5740\u65cf\u5728BGP\u4e2d\u540c\u65f6\u5206\u53d1\uff0c\u4f8b\u5982IPv4\u7ec4\u64ad\uff0cIPv6\uff0cL3VPN,EVPN\u7b49 \u968f\u7740SDN\u53d1\u5c55\u548c\u5546\u7528\uff0cEVPN\uff08Ethernet VPN\uff09\u5728\u5404\u89e3\u51b3\u65b9\u6848\u4e2d\u5360\u636e\u91cd\u8981\u89d2\u8272\uff0c\u5e94\u7528\u5168\u573a\u666f\u5305\u62ec\u56ed\u533a\u7f51\u7edc\u3001\u6570\u636e\u4e2d\u5fc3\u7f51\u7edc\u3001\u5e7f\u57dfIP\u627f\u8f7d\u7f51\u7edc\u548cSD-WAN MP-BGP\uff1a \u7528\u4e8e\u5b9e\u73b0BGP-4\u6269\u5c55\u4ee5\u5141\u8bb8BGP\u643a\u5e26\u591a\u79cd\u7f51\u7edc\u5c42\u534f\u8bae\uff08 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,62,3],"tags":[91,94],"class_list":["post-543","post","type-post","status-publish","format-standard","hentry","category-huaweihcip-datacom","category-huaweiluyouyujiaohuan","category-interface","tag-bgp","tag-vpn"],"_links":{"self":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/comments?post=543"}],"version-history":[{"count":0,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/posts\/543\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/media?parent=543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/categories?post=543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.youvii.site\/index.php\/wp-json\/wp\/v2\/tags?post=543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}