{"id":10052,"date":"2022-10-09T02:17:04","date_gmt":"2022-10-09T09:17:04","guid":{"rendered":"https:\/\/www.xh86.me\/?p=10052"},"modified":"2022-10-09T02:17:04","modified_gmt":"2022-10-09T09:17:04","slug":"vpp%e9%85%8d%e7%bd%ae%e6%8c%87%e5%8d%97%ef%bc%9a%e9%85%8d%e7%bd%aevxlan%e9%9a%a7%e9%81%93","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=10052","title":{"rendered":"VPP\u914d\u7f6e\u6307\u5357\uff1a\u914d\u7f6eVXLAN\u96a7\u9053"},"content":{"rendered":"
\n

\u524d\u9762\u6211\u4eec\u5728\u5b66\u4e60VXLAN\uff08Virtual eXtensible LAN\uff0c\u865a\u62df\u53ef\u6269\u5c55\u5c40\u57df\u7f51\uff09<\/strong>\u65f6\u4e86\u89e3\u5230\uff08<\/strong>VXLAN\u5c0f\u5b9e\u9a8c\uff1aVXLAN\u5934\u7aef\u590d\u5236\u914d\u7f6e<\/strong><\/a>\uff09<\/strong>\uff0c\u901a\u8fc7\u4f7f\u7528VXLAN\u96a7\u9053\u5728\u8de8\u4e09\u5c42\u7684underlay\u7f51\u7edc\u4e0a\u6784\u5efa\u4e8c\u5c42overlay\u7f51\u7edc\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e8c\u5c42\u6865\u63a5\u57df\uff08bridge domains\uff0cBD\uff09<\/strong>\u8de8\u8d8a\u591a\u4e2a\u7f51\u7edc\u8bbe\u5907\u6216\u516c\u7f51\u3002\u8fd9\u4f7f\u5f97\u5728\u5730\u7406\u4f4d\u7f6e\u4e0a\u5206\u79bb\u7684\u670d\u52a1\u5668\u4e5f\u53ef\u4ee5\u5171\u540c\u4f4d\u4e8e\u540c\u4e00\u6570\u636e\u4e2d\u5fc3\uff0c\u53ea\u8981\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7\u5e95\u5c42\u7684\u4e09\u5c42\u7f51\u7edc\u8bbf\u95ee\u5373\u53ef\u3002<\/p>\n

VPP\u4e2d\u7684VTEP\uff08VXLAN Tunnel End Points\uff0cVXLAN\u96a7\u9053\u7aef\u70b9\uff09<\/strong>\u8bbe\u5907\u5c31\u662fVPP\uff0cVTEP\u662f\u5728\u521b\u5efaVXLAN\u96a7\u9053\u65f6\u6307\u5b9a\u7684\uff0c\u6bcf\u4e2aVXLAN\u96a7\u9053\u7684\u6e90IP\u5730\u5740\u548c\u76ee\u6807IP\u5730\u5740\u5c31\u662f\u672c\u5730\u670d\u52a1\u5668VTEP\u5730\u5740\u548c\u76ee\u6807\u670d\u52a1\u5668VTEP\u5730\u5740\u3002<\/p>\n

\u548cH3C\u8bbe\u5907\u4e00\u6837\uff0cVTEP\u8bbe\u5907\u8d1f\u8d23\u5bf9VXLAN\u6d41\u91cf\u8fdb\u884c\u5c01\u88c5\u548c\u89e3\u5c01\u88c5\u64cd\u4f5c\uff0c\u5c01\u88c5\u548c\u89e3\u5c01\u88c5\u8fc7\u7a0b\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

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

\u539f\u7406\u5927\u5bb6\u90fd\u5df2\u7ecf\u975e\u5e38\u6e05\u695a\u4e86\uff0c\u6211\u4eec\u8fdb\u6765\u6765\u6d4b\u8bd5\u7528VPP\u914d\u7f6e\u4e00\u4e0bVXLAN\u96a7\u9053\uff0c\u7ec4\u7f51\u56fe\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

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

\u6211\u4eec\u9996\u5148\u6309\u7ec4\u7f51\u56fe\u6240\u793a\uff0c\u914d\u7f6e\u4e92\u8054\u63a5\u53e3\u548c\u8def\u7531\u4fe1\u606f\uff0c\u8c03\u901a\u5e95\u5c42\u7f51\u7edc\u3002<\/p>\n

\n
vppctl set<\/span> int<\/span> state eth2 up<\/span><\/code>vppctl set<\/span> int<\/span> ip address eth2 12.1<\/span>.1<\/span>.1<\/span>\/24<\/span><\/span><\/code>vppctl ip route add<\/span> 23.1<\/span>.1<\/span>.0<\/span>\/24<\/span> via 12.1<\/span>.1<\/span>.2<\/span><\/span><\/code><\/pre>\n<\/section>\n
<\/div><\/p>\n
\u5728VPP72\u4e0a\u521b\u5efa\u4e00\u4e2aBD ID\u4e3a11\u7684\u6865\u63a5\u57df\uff0c\u540c\u65f6\u914d\u7f6e\u542f\u7528\u5b66\u4e60\u3001\u8f6c\u53d1\u3001\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a\u548c\u6cdb\u6d2a\uff0c\u7981\u7528ARP\u4ee3\u7b54\u3002<\/p>\n
\n
vppctl create<\/span> bridge-domain<\/span> 11<\/span> learn 1<\/span> forward 1<\/span> uu-flood 1<\/span> flood 1<\/span> arp-term 0<\/span><\/span><\/code><\/pre>\n<\/section>\n
VPP\u63d0\u4f9b\u4e86\u521b\u5efaVXLAN\u96a7\u9053\u63a5\u53e3\u7684\u80fd\u529b\uff0c\u8be5\u96a7\u9053\u63a5\u53e3\u53ef\u4ee5\u6dfb\u52a0\u5230\u6865\u63a5\u57df\u4e2d\u4f5c\u4e3a\u6865\u63a5\u7aef\u53e3\u53c2\u4e0e\u4e8c\u5c42\u8f6c\u53d1\u3002\u7136\u540e\u6211\u4eec\u521b\u5efa\u4e00\u4e2aVXLAN\u96a7\u9053\uff08\u6e90\u5730\u5740\u4e3aVPP72\u7684\u63a5\u53e3eth2\uff0c\u76ee\u7684\u5730\u5740\u4e3aVPP73\u7684\u63a5\u53e3eth2\uff09\uff0c\u5c06\u5176\u7ed1\u5b9aBD ID\u4e3a11\u7684\u6865\u63a5\u57df\uff1a<\/span><\/p>\n
\n
vppctl<\/span> create<\/span> vxlan<\/span> tunnel<\/span> src<\/span> 12.1<\/span>.1<\/span>.1<\/span> dst<\/span> 23.1<\/span>.1<\/span>.3<\/span> vni<\/span> 11 decap-next<\/span> l2<\/span><\/span><\/code>vppctl<\/span> set<\/span> interface<\/span> l2<\/span> bridge<\/span> vxlan_tunnel0<\/span> 11<\/span><\/code><\/pre>\n<\/section>\n
\u6ce8\u610f\uff0cVXLAN\u5c01\u88c5\u4e2d\u7684UDP\u76ee\u6807\u7aef\u53e3\u53f7\u5fc5\u987b\u4f7f\u7528IANA\u4e3aVXLAN\u5206\u914d\u76844789\uff0c\u4e0d\u53ef\u66f4\u6539\u3002<\/p>\n
VPP\u4e2d\u7684\u4e00\u4e2aBD\u53ea\u80fd\u62e5\u6709\u4e00\u4e2aBVI\uff08Bridge Virtual Interface\uff0c\u6865\u63a5\u865a\u62df\u63a5\u53e3\uff09<\/strong>\uff0cBVI\u63a5\u53e3\u53ef\u80fd\u7ed1\u5b9a\u591a\u4e2aVXLAN\u96a7\u9053\u548c\u4ee5\u592a\u7f51\u6865\u63a5\u63a5\u53e3\u3002BVI\u3001VXLAN\u548c\u4ee5\u592a\u7f51\u7684\u6865\u63a5\u63a5\u53e3\u90fd\u5fc5\u987b\u6b63\u786e\u914d\u7f6e\u624d\u80fd\u76f8\u4e92\u8f6c\u53d1\u6d41\u91cf\u3002BVI\u5141\u8bb8\u4e0d\u540cBD\u6216VXLAN\u7f51\u6bb5\u4e0a\u7684\u865a\u62df\u673a\u901a\u8fc7IRB\uff08Integrated Routing and Bridging\uff0c\u96c6\u6210\u8def\u7531\u548c\u6865\u63a5\uff09<\/strong>\u76f8\u4e92\u8fde\u63a5\u3002<\/p>\n
BD\u7684BVI\u662f\u901a\u8fc7\u521b\u5efa\u548c\u8bbe\u7f6e\u73af\u56de\u53e3\u6765\u8bbe\u7f6e\u7684\uff0c\u5982\u679cVPP\u5206\u914d\u7684\u73af\u56de\u53e3MAC\u5730\u5740\u7528\u4e8eBVI\uff0c\u5219\u5728\u4f7f\u7528VXLAN\u96a7\u9053\u8fde\u63a5\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u591a\u4e2aBD\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751fMAC\u5730\u5740\u51b2\u7a81\uff0c\u6240\u4ee5\u5efa\u8bae\u5728\u521b\u5efa\u73af\u56de\u53e3\u65f6\u624b\u5de5\u914d\u7f6eMAC\u5730\u5740\u3002\u7136\u540e\u5c06\u73af\u56de\u53e3\u6dfb\u52a0\u5230BD 11\u4f5c\u4e3a\u5176BVI\u63a5\u53e3\uff0c\u5e76\u4e3a\u5176\u5206\u914dIP\u5730\u5740\u3002<\/p>\n
\n
vppctl loopback create mac 1<\/span>a:2<\/span>b:3<\/span>c:4<\/span>d:5<\/span>e:6f<\/span><\/span><\/code>vppctl set<\/span> interface<\/span> l2<\/span> bridge<\/span> loop0<\/span> 11 bvi<\/span><\/span><\/span><\/code>vppctl set<\/span> interface<\/span> state<\/span> loop0<\/span> up<\/span><\/span><\/span><\/code>vppctl set<\/span> interface<\/span> ip<\/span> address<\/span> loop0<\/span> 13.1.1.1\/24<\/span><\/span><\/code><\/pre>\n<\/section>\n
\u7136\u540e\u5c06\u63a5\u53e3eth1\u4e5f\u52a0\u5165\u5230BD\u4e0b\u3002<\/p>\n
\n
vppctl set<\/span> interface<\/span> state<\/span> eth1<\/span> up<\/span><\/span><\/span><\/code>vppctl set<\/span> interface<\/span> l2<\/span> bridge<\/span> eth1<\/span> 11<\/span><\/span><\/code><\/pre>\n<\/section>\n
<\/div><\/p>\n
\u540c\u6837\u7684\uff0c\u6211\u4eec\u914d\u7f6eVPP73\u8bbe\u5907\u3002<\/p>\n
\n
vppctl set<\/span> int<\/span> state eth2 up<\/span><\/code>vppctl set<\/span> int<\/span> ip address eth2 23.1<\/span>.1<\/span>.3<\/span>\/24<\/span><\/span><\/code>vppctl ip route add<\/span> 12.1<\/span>.1<\/span>.0<\/span>\/24<\/span> via 23.1<\/span>.1<\/span>.2<\/span><\/span><\/code>vppctl create<\/span> bridge-domain<\/span> 11<\/span> learn 1<\/span> forward 1<\/span> uu-flood 1<\/span> flood 1<\/span> arp-term 0<\/span><\/span><\/code>vppctl create<\/span> vxlan tunnel src 23.1<\/span>.1<\/span>.3<\/span> dst 12.1<\/span>.1<\/span>.1<\/span> vni 11<\/span> decap-next<\/span> l2<\/span><\/code>vppctl set<\/span> interface<\/span> l2 bridge vxlan_tunnel0 11<\/span><\/span><\/code>vppctl loopback create<\/span> mac a1:b2:c3:d4:e5:f6<\/span><\/code>vppctl set<\/span> interface<\/span> l2 bridge loop0 11<\/span> bvi<\/span><\/code>vppctl set<\/span> interface<\/span> state loop0 up<\/span><\/code>vppctl set<\/span> interface<\/span> ip address loop0 13.1<\/span>.1<\/span>.3<\/span>\/24<\/span><\/span><\/code>vppctl set<\/span> interface<\/span> state eth1 up<\/span><\/code>vppctl set<\/span> interface<\/span> l2 bridge eth1 11<\/span><\/span><\/code><\/pre>\n<\/section>\n
<\/div><\/p>\n
\u67e5\u770bVXLAN\u96a7\u9053\u4fe1\u606f\u3002<\/p>\n
\n
vppctl<\/span> show vxlan tunnel<\/span><\/code><\/pre>\n<\/section>\n
<\/div><\/p>\n
\u67e5\u770b\u6865\u63a5\u57df\u4fe1\u606f\u3002<\/p>\n
\n
vppctl show<\/span> bridge-domain<\/span> 11<\/span><\/span><\/code>vppctl show<\/span> bridge-domain<\/span> 11<\/span> int<\/span><\/span><\/code>vppctl show<\/span> bridge-domain<\/span> 11<\/span> arp<\/span><\/code>vppctl show<\/span> bridge-domain<\/span> 11<\/span> detail<\/span><\/code><\/pre>\n<\/section>\n
<\/div><\/p>\n
\u67e5\u770b\u63a5\u53e3\u4fe1\u606f\u3002<\/p>\n
\n
vppctl show<\/span> interface<\/span><\/span><\/code><\/pre>\n<\/section>\n
<\/div><\/p>\n
\u5728\u4e3b\u673a\u4e0a\u6d4b\u8bd5\u4e1a\u52a1\u60c5\u51b5\u3002<\/p>\n
<\/div><\/p>\n
\u6253\u4e2a\u6d41\u6d4b\u8bd5\u4e00\u4e0b\u3002<\/p>\n
<\/div><\/p>\n
3.91 Gbps\uff0c\u5c31\u90a3\u4e48\u56de\u4e8b\u5427\u3002<\/p>\n
VPP\u5b98\u7f51\u8fd8\u7279\u522b\u5f3a\u8c03\uff0c\u5728\u5c06VXLAN\u96a7\u9053\u63a5\u53e3\u3001BVI\/\u73af\u56de\u53e3\u548c\u4ee5\u592a\u7f51\u53e3\u6dfb\u52a0\u5230BD\u65f6\uff0c\u5fc5\u987b\u4e3a\u5b83\u4eec\u914d\u7f6e\u76f8\u540c\u4e14\u975e\u96f6\u7684\u6c34\u5e73\u5206\u5272\u7ec4\uff08Split Horizon Group\uff0cSHG\uff09<\/strong>\u7f16\u53f7\u3002\u5426\u5219\uff0c\u6cdb\u6d2a\u6570\u636e\u5305\u53ef\u80fd\u4f1a\u5728\u5177\u6709\u76f8\u540cVXLAN\u6807\u8bc6\u7684\u670d\u52a1\u5668\u4e4b\u95f4\u4ea7\u751f\u73af\u8def\u3002<\/p>\n
\u4f46\u662f\u5b9e\u9645\u60c5\u51b5\u662f\uff0c\u6211\u628aSHG\u90fd\u914d\u7f6e\u4e3a\u4e861\uff0c\u7ed3\u679c\u4e24\u7aef\u7684\u4e3b\u673a\u65e0\u6cd5\u4e92\u901a\uff0c\u53c8\u90fd\u6539\u56de0\u624d\u6b63\u5e38\u7684\u3002<\/p>\n
\u6b64\u5916\uff0c\u6211\u4eec\u5f00\u59cb\u914d\u7f6e\u7684BD\u5173\u95ed\u4e86ARP\u4ee3\u7b54\u529f\u80fd\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528 ARP\u4ee3\u7b54\u529f\u80fd\u3002<\/p>\n
\n
vppctl set<\/span> bridge-domain<\/span> arp term 11<\/span><\/span><\/code><\/pre>\n<\/section>\n
\u5f00\u542fARP\u4ee3\u7b54\u529f\u80fd\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5411BD\u4e2d\u6dfb\u52a0ARP\u8868\u9879\u6761\u76ee\u3002<\/p>\n
\n
vppctl<\/span> set<\/span> bridge-domain<\/span> arp<\/span> entry<\/span> 11 13.1<\/span>.1<\/span>.22<\/span> 00:50<\/span>:56<\/span>:8e<\/span>:c9<\/span>:ad<\/span><\/span><\/code>vppctl<\/span> set<\/span> bridge-domain<\/span> arp<\/span> entry<\/span> 11 13.1<\/span>.1<\/span>.11<\/span> 00:50<\/span>:56<\/span>:8e<\/span>:4d<\/span>:bd<\/span><\/span><\/code><\/pre>\n<\/section>\n
\u6b64\u65f6\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u67e5\u770bBD\u7684ARP\u4fe1\u606f\u4e86\u3002<\/p>\n
<\/div><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u524d\u9762\u6211\u4eec\u5728\u5b66\u4e60VXLAN\uff08Virtual eXtensible LAN\uff0c\u865a\u62df\u53ef\u6269\u5c55\u5c40\u57df\u7f51\uff09\u65f6\u4e86\u89e3\u5230\uff08VXLAN […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,3],"tags":[],"class_list":["post-10052","post","type-post","status-publish","format-standard","hentry","category-linux","category-system"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/10052","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=10052"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/10052\/revisions"}],"predecessor-version":[{"id":10350,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/10052\/revisions\/10350"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}