{"id":17950,"date":"2025-06-22T22:27:28","date_gmt":"2025-06-22T14:27:28","guid":{"rendered":"https:\/\/92it.top\/?p=17950"},"modified":"2025-06-22T22:27:28","modified_gmt":"2025-06-22T14:27:28","slug":"%e4%ba%91%e5%8e%9f%e7%94%9f-linux-%e7%bd%91%e7%bb%9c%e8%99%9a%e6%8b%9f%e5%8c%96","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=17950","title":{"rendered":"\u4e91\u539f\u751f-Linux \u7f51\u7edc\u865a\u62df\u5316"},"content":{"rendered":"\n

Linux \u7f51\u7edc\u865a\u62df\u5316\u7684\u6838\u5fc3\u6280\u672f\u4e3b\u8981\u662f\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u548c\u5404\u79cd\u865a\u62df\u7f51\u7edc\u8bbe\u5907\uff0c\u5982\u7a0d\u540e\u4ecb\u7ecd\u7684 Veth\u3001Linux Bridge\u3001TUN\/TAP \u7b49\u3002\u8fd9\u4e9b\u865a\u62df\u8bbe\u5907\u7531\u4ee3\u7801\u5b9e\u73b0\uff0c\u5b8c\u5168\u6a21\u62df\u7269\u7406\u8bbe\u5907\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n

\u8fd1\u5e74\u6765\u5e7f\u6cdb\u5e94\u7528\u7684\u5bb9\u5668\u6280\u672f\uff0c\u6b63\u662f\u57fa\u4e8e\u8fd9\u4e9b\u865a\u62df\u7f51\u7edc\u8bbe\u5907\uff0c\u6a21\u62df\u7269\u7406\u8bbe\u5907\u4e4b\u95f4\u534f\u4f5c\u65b9\u5f0f\uff0c\u5c06\u5404\u4e2a\u72ec\u7acb\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u8fde\u63a5\u8d77\u6765\uff0c\u6784\u5efa\u51fa\u4e0d\u53d7\u7269\u7406\u73af\u5883\u9650\u5236\u7684\u7f51\u7edc\u67b6\u6784\uff0c\u5b9e\u73b0\u5bb9\u5668\u4e4b\u95f4\u3001\u5bb9\u5668\u4e0e\u5bbf\u4e3b\u673a\u4e4b\u95f4\uff0c\u751a\u81f3\u8de8\u6570\u636e\u4e2d\u5fc3\u7684\u52a8\u6001\u7f51\u7edc\u62d3\u6251\u3002<\/p>\n\n\n\n

\u3000<\/p>\n\n\n\n

\u7f51\u7edc\u547d\u540d\u7a7a\u95f4<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u4ece Linux \u5185\u6838 2.4.19 \u7248\u672c\u5f00\u59cb\uff0c\u9010\u6b65\u96c6\u6210\u4e86\u591a\u79cd\u547d\u540d\u7a7a\u95f4\u6280\u672f\uff0c\u4ee5\u5b9e\u73b0\u5bf9\u5404\u7c7b\u8d44\u6e90\u7684\u9694\u79bb\u3002\u5176\u4e2d\uff0c\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\uff08Network Namespace\uff09\u662f\u6700\u4e3a\u5173\u952e\u7684\u4e00\u79cd\uff0c\u4e5f\u662f\u5bb9\u5668\u6280\u672f\u7684\u6838\u5fc3\u3002<\/p>\n\n\n\n

\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u5141\u8bb8 Linux \u7cfb\u7edf\u5185\u521b\u5efa\u591a\u4e2a\u72ec\u7acb\u7684\u7f51\u7edc\u73af\u5883\uff0c\u6bcf\u4e2a\u73af\u5883\u62e5\u6709\u72ec\u7acb\u7684\u7f51\u7edc\u8d44\u6e90\uff0c\u5982\u9632\u706b\u5899\u89c4\u5219\u3001\u7f51\u7edc\u63a5\u53e3\u3001\u8def\u7531\u8868\u3001ARP \u90bb\u5c45\u8868\u53ca\u5b8c\u6574\u7684\u7f51\u7edc\u534f\u8bae\u6808\u3002\u5f53\u8fdb\u7a0b\u8fd0\u884c\u5728\u67d0\u4e2a\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u5185\u65f6\uff0c\u5c31\u50cf\u72ec\u4eab\u4e00\u53f0\u7269\u7406\u4e3b\u673a\u3002<\/p>\n\n\n

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

\u5728 Linux \u7cfb\u7edf \u4e2d\uff0cip \u5de5\u5177\u7684\u5b50\u547d\u4ee4 netns \u96c6\u6210\u4e86\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u7684\u589e\u3001\u5220\u3001\u67e5\u3001\u6539\u7b49\u529f\u80fd\u3002\u63a5\u4e0b\u6765\uff0c\u7b14\u8005\u5c06\u4f7f\u7528 ip \u547d\u4ee4\u6f14\u793a\u5982\u4f55\u64cd\u4f5c\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\uff0c\u5e2e\u52a9\u4f60\u52a0\u6df1\u7406\u89e3\u3002<\/p>\n\n\n\n

\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a ns1 \u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u3002\u547d\u4ee4\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n

$ ip netns add ns1<\/pre>\n\n\n\n
\u67e5\u8be2 ns1 \u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u5185\u7684\u7f51\u7edc\u8bbe\u5907\u4fe1\u606f\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u7531\u4e8e\u6ca1\u6709\u8fdb\u884c\u4efb\u4f55\u914d\u7f6e\uff0c\u8be5\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u5185\u53ea\u6709\u4e00\u4e2a\u540d\u4e3a lo \u7684\u672c\u5730\u56de\u73af\u8bbe\u5907\uff0c\u4e14\u8bbe\u5907\u72b6\u6001\u4e3a DOWN\u3002<\/p>\n\n\n\n
$ ip netns exec ns1 ip link list \n1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN mode DEFAULT group default qlen 1000\n    link\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00<\/pre>\n\n\n\n
\u67e5\u770b ns1 \u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u4e0b\u7684 iptables \u89c4\u5219\u914d\u7f6e\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u7531\u4e8e\u8fd9\u662f\u4e00\u4e2a\u521d\u59cb\u5316\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\uff0c\u56e0\u6b64 iptables \u89c4\u5219\u4e3a\u7a7a\uff0c\u5e76\u6ca1\u6709\u4efb\u4f55\u914d\u7f6e\u3002<\/p>\n\n\n\n
$ ip netns exec ns1 iptables -L -n\nChain INPUT (policy ACCEPT)\ntarget     prot opt source               destination         \n\nChain FORWARD (policy ACCEPT)\ntarget     prot opt source               destination         \n\nChain OUTPUT (policy ACCEPT)\ntarget     prot opt source               destination \n<\/pre>\n\n\n\n
\u4e0d\u96be\u770b\u51fa\uff0c\u4e0d\u540c\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u9ed8\u8ba4\u76f8\u4e92\u9694\u79bb\uff0c\u4e5f\u65e0\u6cd5\u76f4\u63a5\u901a\u4fe1\u3002\u5982\u679c\u5b83\u4eec\u9700\u8981\u4e0e\u5916\u754c\uff08\u5176\u4ed6\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u6216\u5bbf\u4e3b\u673a\uff09\u5efa\u7acb\u8fde\u63a5\uff0c\u8be5\u5982\u4f55\u5b9e\u73b0\u5462\uff1f<\/p>\n\n\n\n
\u6211\u4eec\u5148\u770b\u770b\u7269\u7406\u673a\u662f\u600e\u4e48\u64cd\u4f5c\u7684\uff0c\u4e00\u53f0\u7269\u7406\u673a\u5982\u679c\u8981\u60f3\u4e0e\u5916\u754c\u8fdb\u884c\u901a\u4fe1\uff0c\u90a3\u5f97\u63d2\u5165\u4e00\u5757\u7f51\u5361\uff0c\u901a\u8fc7\u7f51\u7ebf\u8fde\u63a5\u5230\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\uff0c\u52a0\u5165\u4e00\u4e2a\u5c40\u57df\u7f51\u5185\u3002\u88ab\u9694\u79bb\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u5982\u679c\u60f3\u4e0e\u5916\u754c\u8fdb\u884c\u901a\u4fe1\uff0c\u5c31\u9700\u8981\u5229\u7528\u5230\u7a0d\u540e\u4ecb\u7ecd\u7684\u5404\u7c7b\u865a\u62df\u7f51\u7edc\u8bbe\u5907\u3002\u4e5f\u5c31\u662f\uff0c\u5728\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u91cc\u9762\u63d2\u5165\u201c\u865a\u62df\u7f51\u5361\u201d\uff0c\u7136\u540e\u628a\u201c\u7f51\u7ebf\u201d\u7684\u53e6\u4e00\u5934\u6865\u63a5\u5230\u201c\u865a\u62df\u4ea4\u6362\u673a\u201d\u4e2d\u3002<\/p>\n\n\n\n
\u6ca1\u9519\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u5b8c\u5168\u548c\u7269\u7406\u73af\u5883\u4e2d\u7684\u914d\u7f6e\u5c40\u57df\u7f51\u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u5168\u90e8\u662f\u865a\u62df\u7684\u3001\u7528\u4ee3\u7801\u5b9e\u73b0\u7684\u800c\u5df2\u3002<\/p>\n\n\n\n
\u3000<\/p>\n\n\n\n
\u865a\u62df\u7f51\u7edc\u8bbe\u5907 TUN \u548c TAP<\/strong><\/p>\n\n\n\n
\n\n\n\n
TUN \u548c TAP \u662f Linux \u5185\u6838\u81ea 2.4.x \u7248\u672c\u5f15\u5165\u7684\u865a\u62df\u7f51\u5361\u8bbe\u5907\uff0c\u4e13\u4e3a\u7528\u6237\u7a7a\u95f4\uff08user space\uff09\u4e0e\u5185\u6838\u7a7a\u95f4\uff08kernel space\uff09\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u800c\u8bbe\u8ba1\u3002\u4e24\u8005\u7684\u4e3b\u8981\u533a\u522b\u5982\u4e0b\uff1a<\/p>\n\n\n\n
    \n
  • TUN \u8bbe\u5907<\/strong>\uff1a\u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\uff08Layer 3\uff09\uff0c\u7528\u4e8e\u5904\u7406 IP \u6570\u636e\u5305\u3002\u5b83\u6a21\u62df\u4e00\u4e2a\u7f51\u7edc\u5c42\u63a5\u53e3\uff0c\u4f7f\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u80fd\u591f\u76f4\u63a5\u6536\u53d1 IP \u6570\u636e\u5305\uff1b<\/li>\n\n\n\n
  • TAP \u8bbe\u5907<\/strong>\uff1a\u5de5\u4f5c\u5728\u6570\u636e\u94fe\u8def\u5c42\uff08Layer 2\uff09\uff0c\u7528\u4e8e\u5904\u7406\u4ee5\u592a\u7f51\u5e27\u3002\u4e0e TUN \u8bbe\u5907\u4e0d\u540c\uff0cTAP \u8bbe\u5907\u4f20\u8f93\u5b8c\u6574\u7684\u4ee5\u592a\u7f51\u5e27\uff08\u5305\u62ec\u6570\u636e\u94fe\u8def\u5c42\u5934\u90e8\uff09\uff0c\u4f7f\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u53ef\u4ee5\u5904\u7406\u539f\u59cb\u4ee5\u592a\u7f51\u5e27\u3002<\/li>\n<\/ul>\n\n\n\n
    Linux \u7cfb\u7edf\u4e2d\uff0c\u5185\u6838\u7a7a\u95f4\u548c\u7528\u6237\u7a7a\u95f4\u4e4b\u95f4\u6570\u636e\u4f20\u8f93\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\u662f\u5176\u4e2d\u4e00\u79cd\u3002<\/p>\n\n\n\n
    TUN\/TAP \u8bbe\u5907\u5bf9\u5e94\u7684\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\u4e3a \/dev\/net\/tun\u3002\u5f53\u7528\u6237\u7a7a\u95f4\u7684\u7a0b\u5e8f\u6253\u5f00\uff08open\uff09\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\u65f6\uff0c\u540c\u65f6\uff0cTUN\/TAP \u7684\u5b57\u7b26\u8bbe\u5907\u9a71\u52a8\u4f1a\u521b\u5efa\u5e76\u6ce8\u518c\u76f8\u5e94\u7684\u865a\u62df\u7f51\u5361\uff0c\u9ed8\u8ba4\u547d\u540d\u4e3a tunX \u6216 tapX\u3002\u968f\u540e\uff0c\u7528\u6237\u7a7a\u95f4\u7a0b\u5e8f\u8bfb\u5199(read\/write)\u8be5\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u5c31\u53ef\u4ee5\u548c\u5185\u6838\u7f51\u7edc\u6808\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\u4e86\u3002<\/p>\n\n\n\n
    \u5982\u56fe 3-13 \u6240\u793a\uff0c\u4e0b\u9762\u4ee5 TUN \u8bbe\u5907\u6784\u5efa VPN \u96a7\u9053\u4e3a\u4f8b\uff0c\u8bf4\u660e\u5176\u5de5\u4f5c\u539f\u7406\u3002\u5982\u4e0b:<\/p>\n\n\n\n
      \n
    • \u9996\u5148\uff0c\u4e00\u4e2a\u666e\u901a\u7684\u7528\u6237\u7a0b\u5e8f\u53d1\u8d77\u4e00\u4e2a\u7f51\u7edc\u8bf7\u6c42\uff1b<\/li>\n<\/ul>\n\n\n\n
        \n
      • \u63a5\u7740\uff0c\u6570\u636e\u5305\u8fdb\u5165\u5185\u6838\u534f\u8bae\u6808\uff0c\u5e76\u8def\u7531\u81f3 tun0 \u8bbe\u5907\u3002\u8def\u7531\u89c4\u5219\u5982\u4e0b:<\/li>\n<\/ul>\n\n\n\n
        $ ip route show\ndefault via 172.12.0.1 dev tun0  \/\/ \u9ed8\u8ba4\u6d41\u91cf\u7ecf\u8fc7 tun0 \u8bbe\u5907\n192.168.0.0\/24 dev eth0  proto kernel  scope link  src 192.168.0.3<\/pre>\n\n\n\n
          \n
        • tun0 \u8bbe\u5907\u7684\u5b57\u7b26\u8bbe\u5907\u6587\u4ef6 \/dev\/net\/tun \u7531 VPN \u7a0b\u5e8f\u6253\u5f00\u3002\u6240\u4ee5\uff0c\u7528\u6237\u7a0b\u5e8f\u53d1\u9001\u7684\u6570\u636e\u5305\u4e0d\u4f1a\u76f4\u63a5\u8fdb\u5165\u7f51\u7edc\uff0c\u800c\u662f\u88ab VPN \u7a0b\u5e8f\u8bfb\u53d6\u5e76\u5904\u7406\u3002<\/li>\n\n\n\n
        • VPN \u7a0b\u5e8f\u5bf9\u6570\u636e\u5305\u8fdb\u884c\u5c01\u88c5\u64cd\u4f5c\uff0c\u5c01\u88c5\uff08Encapsulation\uff09\u662f\u6307\u5728\u539f\u59cb\u6570\u636e\u5305\u5916\u90e8\u5305\u88f9\u65b0\u7684\u6570\u636e\u5934\u90e8\uff0c\u5c31\u50cf\u5c06\u4e00\u4e2a\u76d2\u5b50\u653e\u5728\u53e6\u4e00\u4e2a\u76d2\u5b50\u4e2d\u4e00\u6837\u3002<\/li>\n\n\n\n
        • \u6700\u540e\uff0c\u5904\u7406\u540e\u7684\u6570\u636e\u5305\u518d\u6b21\u5199\u5165\u5185\u6838\u7f51\u7edc\u6808\uff0c\u5e76\u901a\u8fc7 eth0\uff08\u5373\u7269\u7406\u7f51\u5361\uff09\u53d1\u9001\u5230\u76ee\u6807\u7f51\u7edc\u3002<\/li>\n<\/ul>\n\n\n
          \n
          \"\"<\/figure><\/div>\n\n\n
          \u5c01\u88c5\u6570\u636e\u5305\u4ee5\u6784\u5efa\u7f51\u7edc\u96a7\u9053\uff0c\u662f\u5b9e\u73b0\u865a\u62df\u7f51\u7edc\u7684\u5e38\u89c1\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5728\u672c\u4e66\u7b2c\u4e03\u7ae0\u4ecb\u7ecd\u7684\u5bb9\u5668\u7f51\u7edc\u63d2\u4ef6 Flannel \u65e9\u671f\u7248\u672c\u4e2d\uff0c\u66fe\u4f7f\u7528 TUN \u8bbe\u5907\u6765\u5b9e\u73b0\u5bb9\u5668\u95f4\u7684\u865a\u62df\u7f51\u7edc\u901a\u4fe1\u3002\u4f46\u662f\uff0cTUN \u8bbe\u5907\u7684\u6570\u636e\u4f20\u8f93\u9700\u7ecf\u8fc7\u4e24\u6b21\u534f\u8bae\u6808\uff0c\u5e76\u6d89\u53ca\u591a\u6b21\u5c01\u5305\u4e0e\u89e3\u5305\u64cd\u4f5c\uff0c\u5bfc\u81f4\u4e86\u5f88\u5927\u7684\u6027\u80fd\u635f\u8017\u3002\u8fd9\u4e5f\u662f Flannel \u540e\u6765\u5f03\u7528 TUN \u8bbe\u5907\u7684\u4e3b\u8981\u539f\u56e0\u3002<\/p>\n\n\n\n
          \u3000<\/p>\n\n\n\n
          \u865a\u62df\u7f51\u5361 Veth<\/strong><\/p>\n\n\n\n
          \n\n\n\n
          Linux \u5185\u6838 2.6 \u7248\u672c\u652f\u6301\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u7684\u540c\u65f6\uff0c\u4e5f\u63d0\u4f9b\u4e86\u4e13\u95e8\u7684\u865a\u62df\u7f51\u5361 Veth\uff08Virtual Ethernet\uff0c\u865a\u62df\u4ee5\u592a\u7f51\u7f51\u5361\uff09\u3002<\/p>\n\n\n\n
          Veth \u7684\u6838\u5fc3\u539f\u7406\u662f\u201c\u53cd\u8f6c\u6570\u636e\u4f20\u8f93\u65b9\u5411\u201d\uff0c\u5373\u5728\u5185\u6838\u4e2d\uff0c\u5c06\u53d1\u9001\u7aef\u7684\u6570\u636e\u5305\u8f6c\u6362\u4e3a\u63a5\u6536\u7aef\u7684\u65b0\u6570\u636e\u5305\uff0c\u5e76\u91cd\u65b0\u4ea4\u7531\u5185\u6838\u7f51\u7edc\u534f\u8bae\u6808\u5904\u7406\u3002\u901a\u4fd7\u7684\u89e3\u91ca\uff0cVeth \u5c31\u662f\u4e00\u6839\u5e26\u7740\u4e24\u4e2a\u201c\u6c34\u6676\u5934\u201d\u7684\u201c\u7f51\u7ebf\u201d\uff0c\u4ece\u7f51\u7ebf\u7684\u4e00\u5934\u53d1\u9001\u6570\u636e\uff0c\u53e6\u4e00\u5934\u5c31\u4f1a\u6536\u5230\u6570\u636e\u3002\u56e0\u6b64\uff0cVeth \u4e5f\u88ab\u8bf4\u6210\u662f\u201c\u4e00\u5bf9\u8bbe\u5907\u201d\uff08Veth-Pair\uff09\u3002<\/p>\n\n\n\n
          Veth \u8bbe\u5907\u7684\u5178\u578b\u5e94\u7528\u573a\u666f\u662f\u8fde\u63a5\u76f8\u4e92\u9694\u79bb\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\uff0c\u4f7f\u5b83\u4eec\u80fd\u591f\u8fdb\u884c\u901a\u4fe1\u3002\u5047\u8bbe\u5b58\u5728\u4e24\u4e2a\u7f51\u7edc\u547d\u540d\u7a7a\u95f4 ns1 \u548c ns2\uff0c\u5176\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u5982\u56fe 3-14 \u6240\u793a\u3002\u63a5\u4e0b\u6765\uff0c\u7b14\u8005\u5c06\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6f14\u793a Veth \u8bbe\u5907\u5982\u4f55\u5728\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u4e4b\u95f4\u5efa\u7acb\u901a\u4fe1\uff0c\u5e2e\u52a9\u4f60\u52a0\u6df1\u7406\u89e3\u3002<\/p>\n\n\n
          \n
          \"\"<\/figure><\/div>\n\n\n
          \u9996\u5148\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u5bf9 Veth \u8bbe\u5907\uff0c\u547d\u540d\u4e3a veth1 \u548c veth2\u3002\u8be5\u547d\u4ee4\u4f1a\u751f\u6210\u4e00\u5bf9\u865a\u62df\u4ee5\u592a\u7f51\u8bbe\u5907\uff0c\u5b83\u4eec\u4e4b\u95f4\u5f62\u6210\u70b9\u5bf9\u70b9\u8fde\u63a5\uff0c\u5373\u6570\u636e\u4ece veth1 \u53d1\u9001\u540e\uff0c\u4f1a\u76f4\u63a5\u51fa\u73b0\u5728 veth2 \u4e0a\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n\n\n\n
          $ ip link add veth1 type veth peer name veth2<\/pre>\n\n\n\n
          \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5206\u522b\u5c06\u5b83\u4eec\u5206\u914d\u5230\u4e0d\u540c\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u3002<\/p>\n\n\n\n
          $ ip link set veth1 netns ns1\n$ ip link set veth2 netns ns2\n<\/pre>\n\n\n\n
          Veth \u4f5c\u4e3a\u865a\u62df\u7f51\u7edc\u8bbe\u5907\uff0c\u5177\u5907\u4e0e\u7269\u7406\u7f51\u5361\u76f8\u540c\u7684\u7279\u6027\uff0c\u56e0\u6b64\u53ef\u4ee5\u914d\u7f6e IP \u548c MAC \u5730\u5740\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4e3a Veth \u8bbe\u5907\u5206\u914d IP \u5730\u5740\uff0c\u4f7f\u5176\u5904\u4e8e\u540c\u4e00\u5b50\u7f51 172.16.0.0\/24\uff0c\u7136\u540e\u6fc0\u6d3b\u8bbe\u5907\u3002<\/p>\n\n\n\n
          # \u914d\u7f6e\u547d\u540d\u7a7a\u95f41\n$ ip netns exec ns1 ip link set veth1 up\n$ ip netns exec ns1 ip addr add 172.16.0.1\/24 dev veth1\n# \u914d\u7f6e\u547d\u540d\u7a7a\u95f42\n$ ip netns exec ns2 ip link set veth2 up\n$ ip netns exec ns2 ip addr add 172.16.0.2\/24 dev veth2\n<\/pre>\n\n\n\n
          Veth \u8bbe\u5907\u914d\u7f6e IP \u540e\uff0c\u6bcf\u4e2a\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u90fd\u4f1a\u81ea\u52a8\u751f\u6210\u76f8\u5e94\u7684\u8def\u7531\u4fe1\u606f\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n
          $ ip netns exec ns1 ip route\n172.16.0.0\/24 dev veth1  proto kernel  scope link  src 172.16.0.1<\/pre>\n\n\n\n
          \u4e0a\u8ff0\u8def\u7531\u914d\u7f6e\u8868\u660e\uff0c\u6240\u6709\u5c5e\u4e8e 172.16.0.0\/24 \u7f51\u6bb5\u7684\u6570\u636e\u5305\u90fd\u4f1a\u7ecf\u7531 veth1 \u53d1\u9001\uff0c\u5e76\u5728\u53e6\u4e00\u7aef\u7531 veth2 \u63a5\u6536\u3002\u5728 ns1 \u4e2d\u6267\u884c ping \u6d4b\u8bd5\uff0c\u53ef\u4ee5\u9a8c\u8bc1\u4e24\u4e2a\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u5df2\u7ecf\u6210\u529f\u4e92\u901a\u4e86\u3002<\/p>\n\n\n\n
          $ ip netns exec ns1 ping -c10 172.16.0.2\nPING 172.16.0.2 (172.16.0.2) 56(84) bytes of data.\n64 bytes from 172.16.0.2: icmp_seq=1 ttl=64 time=0.121 ms\n64 bytes from 172.16.0.2: icmp_seq=2 ttl=64 time=0.063 ms<\/pre>\n\n\n\n
          \u6700\u540e\uff0c\u867d\u7136 Veth \u8bbe\u5907\u6a21\u62df\u7f51\u5361\u76f4\u8fde\u7684\u65b9\u5f0f\u89e3\u51b3\u4e86\u4e24\u4e2a\u5bb9\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u95ee\u9898\uff0c\u4f46\u9762\u5bf9\u591a\u4e2a\u5bb9\u5668\u95f4\u901a\u4fe1\u9700\u6c42\uff0c\u5982\u679c\u53ea\u7528 Veth \u8bbe\u5907\u7684\u8bdd\uff0c\u4e8b\u60c5\u5c31\u4f1a\u53d8\u5f97\u975e\u5e38\u9ebb\u70e6\u3002\u8ba9\u6bcf\u4e2a\u5bb9\u5668\u90fd\u4e3a\u4e0e\u5b83\u901a\u4fe1\u7684\u5176\u4ed6\u5bb9\u5668\u5efa\u7acb\u4e00\u5bf9\u4e13\u7528\u7684 Veth \u8bbe\u5907\uff0c\u6839\u672c\u4e0d\u5207\u5b9e\u9645\u3002\u6b64\u65f6\uff0c\u5c31\u8feb\u5207\u9700\u8981\u4e00\u53f0\u865a\u62df\u5316\u4ea4\u6362\u673a\u6765\u89e3\u51b3\u591a\u5bb9\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u95ee\u9898\uff0c\u8fd9\u6b63\u662f\u7b14\u8005\u524d\u9762\u591a\u6b21\u63d0\u5230\u7684 Linux bridge\u3002<\/p>\n\n\n\n
          \u3000<\/p>\n\n\n\n
          \u865a\u62df\u4ea4\u6362\u673a Linux Bridge<\/strong><\/p>\n\n\n\n
          \n\n\n\n
          \u5728\u7269\u7406\u7f51\u7edc\u4e2d\uff0c\u4ea4\u6362\u673a\u7528\u4e8e\u8fde\u63a5\u591a\u53f0\u4e3b\u673a\uff0c\u7ec4\u6210\u5c40\u57df\u7f51\u3002\u5728 Linux \u7f51\u7edc\u865a\u62df\u5316\u6280\u672f\u4e2d\uff0c\u540c\u6837\u63d0\u4f9b\u4e86\u7269\u7406\u4ea4\u6362\u673a\u7684\u865a\u62df\u5b9e\u73b0\uff0c\u5373 Linux Bridge\uff08Linux \u7f51\u6865\uff0c\u4e5f\u79f0\u865a\u62df\u4ea4\u6362\u673a\uff09\u3002<\/p>\n\n\n\n
          Linux Bridge \u4f5c\u4e3a\u865a\u62df\u4ea4\u6362\u673a\uff0c\u5176\u529f\u80fd\u4e0e\u7269\u7406\u4ea4\u6362\u673a\u7c7b\u4f3c\u3002\u5c06\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\uff08\u5982\u7269\u7406\u7f51\u5361 eth0\u3001\u865a\u62df\u63a5\u53e3 veth\u3001tap \u7b49\uff09\u6865\u63a5\u540e\uff0c\u5b83\u4eec\u7684\u901a\u4fe1\u65b9\u5f0f\u4e0e\u7269\u7406\u4ea4\u6362\u673a\u7684\u8f6c\u53d1\u884c\u4e3a\u4e00\u81f4\u3002\u5f53\u6570\u636e\u5e27\u8fdb\u5165 Linux Bridge \u65f6\uff0c\u7cfb\u7edf\u6839\u636e\u6570\u636e\u5e27\u7684\u7c7b\u578b\u548c\u76ee\u7684\u5730 MAC \u5730\u5740\u6267\u884c\u4ee5\u4e0b\u5904\u7406\uff1a<\/p>\n\n\n\n
            \n
          • \u5e7f\u64ad\u5e27<\/strong>\uff1a\u8f6c\u53d1\u5230\u6240\u6709\u6865\u63a5\u5230\u8be5 Linux Bridge \u7684\u8bbe\u5907\u3002<\/li>\n\n\n\n
          • \u5355\u64ad\u5e27<\/strong>\uff1a\u67e5\u627e FDB\uff08Forwarding Database\uff0c\u5730\u5740\u8f6c\u53d1\u8868\uff09\u4e2d MAC \u5730\u5740\u4e0e\u8bbe\u5907\u7f51\u7edc\u63a5\u53e3\u7684\u6620\u5c04\u8bb0\u5f55\uff1a\n
              \n
            • \u82e5\u672a\u627e\u5230\u8bb0\u5f55\uff0c\u6267\u884c\u201c\u6d2a\u6cdb\u201d\uff08Flooding\uff09\uff0c\u5c06\u6570\u636e\u5e27\u53d1\u9001\u5230\u6240\u6709\u63a5\u53e3\uff0c\u5e76\u6839\u636e\u54cd\u5e94\u5c06\u8bbe\u5907\u7684\u7f51\u7edc\u63a5\u53e3\u4e0e MAC \u5730\u5740\u8bb0\u5f55\u5230 FDB \u8868\u4e2d\uff1b<\/li>\n\n\n\n
            • \u82e5\u627e\u5230\u8bb0\u5f55\uff0c\u5219\u76f4\u63a5\u5c06\u6570\u636e\u5e27\u8f6c\u53d1\u5230\u5bf9\u5e94\u8bbe\u5907\u7684\u7f51\u7edc\u63a5\u53e3\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
              \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5177\u4f53\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Linux Bridge \u5c06\u4e24\u4e2a\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u8fde\u63a5\u5230\u540c\u4e00\u4e8c\u5c42\u7f51\u7edc\u3002\u7f51\u7edc\u62d3\u6251\u5982\u56fe 3-15 \u6240\u793a\u3002<\/p>\n\n\n
              \n
              \"\"<\/figure><\/div>\n\n\n
                \n
              • \u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a Linux Bridge \u8bbe\u5907\u3002\u5982\u4e0b\u547d\u4ee4\u6240\u793a\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a br0 \u7684\u865a\u62df\u4ea4\u6362\u673a\uff0c\u5e76\u5c06\u5176\u6fc0\u6d3b\u3002<\/li>\n<\/ul>\n\n\n\n
                $ ip link add name br0 type bridge\n$ ip link set br0 up\n<\/pre>\n\n\n\n
                  \n
                • \u63a5\u7740\uff0c\u521b\u5efa\u4e00\u5bf9 Veth \u8bbe\u5907\uff0c\u5e76\u5c06\u5b83\u4eec\u5206\u522b\u5206\u914d\u7ed9\u4e24\u4e2a\u547d\u540d\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n
                  # \u521b\u5efa veth1 \u548c veth2\n$ ip link add veth1 type veth peer name veth2\n\n# \u5c06 veth1 \u5206\u914d\u5230 ns1\n$ ip link set veth1 netns ns1\n# \u5c06 veth2 \u5206\u914d\u5230 ns2\n$ ip link set veth2 netns ns2<\/pre>\n\n\n\n
                    \n
                  • \u5c06 veth1 \u548c veth2 \u63a5\u5165\u5230 br0 \u6865\u63a5\u8bbe\u5907\uff0c\u4ece\u800c\u8ba9\u5b83\u4eec\u6210\u4e3a\u540c\u4e00\u4e8c\u5c42\u7f51\u7edc\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<\/ul>\n\n\n\n
                    # \u5c06 veth1 \u6dfb\u52a0\u5230 br0 \u6865\u63a5\n$ ip link set dev veth1 up\n$ brctl addif br0 veth1\n\n# \u5c06 veth2 \u6dfb\u52a0\u5230 br0 \u6865\u63a5\n$ ip link set dev veth2 up\n$ brctl addif br0 veth2\n<\/pre>\n\n\n\n
                      \n
                    • \u4e3a\u6bcf\u4e2a\u547d\u540d\u7a7a\u95f4\u4e2d\u7684 Veth \u8bbe\u5907\u914d\u7f6e IP \u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n
                      # \u914d\u7f6e\u547d\u540d\u7a7a\u95f41\u4e2d\u7684 veth1\n$ ip netns exec ns1 ip addr add 172.16.0.1\/24 dev veth1\n$ ip netns exec ns1 ip link set veth1 up\n\n# \u914d\u7f6e\u547d\u540d\u7a7a\u95f42\u4e2d\u7684 veth2\n$ ip netns exec ns2 ip addr add 172.16.0.2\/24 dev veth2\n$ ip netns exec ns2 ip link set veth2 up\n<\/pre>\n\n\n\n
                        \n
                      • \u6700\u540e\uff0c\u5728 ns1 \u547d\u540d\u7a7a\u95f4\u4e2d\u6d4b\u8bd5\u4e0e ns2 \u547d\u540d\u7a7a\u95f4\u7684\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n
                        $ ip netns exec ns1 ping 172.16.0.2\nPING 172.16.0.2 (172.16.0.2) 56(84) bytes of data.\n64 bytes from 172.16.0.1: icmp_seq=1 ttl=64 time=0.153 ms\n64 bytes from 172.16.0.1: icmp_seq=2 ttl=64 time=0.148 ms\n64 bytes from 172.16.0.1: icmp_seq=3 ttl=64 time=0.116 ms<\/pre>\n\n\n\n
                        \u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a Linux Bridge\uff0c\u5c06\u4e24\u4e2a\u547d\u540d\u7a7a\u95f4 ns1 \u548c ns2 \u901a\u8fc7\u865a\u62df\u4ee5\u592a\u7f51\u8bbe\u5907\u8fde\u63a5\u5728\u540c\u4e00\u4e2a\u4e8c\u5c42\u7f51\u7edc\u4e2d\u3002\u8fd9\u6837\uff0c\u4e24\u4e2a\u547d\u540d\u7a7a\u95f4\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u6865\u63a5\u8bbe\u5907\u76f4\u63a5\u901a\u4fe1\uff0c\u5b9e\u73b0\u5728\u540c\u4e00\u5c40\u57df\u7f51\u5185\u7684\u7f51\u7edc\u4e92\u901a\u3002<\/p>\n\n\n\n
                        \u9700\u8981\u8865\u5145\u7684\u662f\uff0cLinux Bridge \u672c\u8d28\u4e0a\u662f Linux \u7cfb\u7edf\u4e2d\u7684\u865a\u62df\u7f51\u7edc\u8bbe\u5907\uff0c\u5177\u5907\u7f51\u5361\u7279\u6027\uff0c\u80fd\u591f\u914d\u7f6e MAC \u548c IP \u5730\u5740\u3002\u4ece\u4e3b\u673a\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u914d\u7f6e\u4e86 IP \u5730\u5740\u7684 Linux Bridge \u8bbe\u5907\u5c31\u76f8\u5f53\u4e8e\u4e00\u5757\u201c\u7f51\u5361\u201d\uff0c\u80fd\u591f\u53c2\u4e0e\u6570\u636e\u5305\u7684 IP \u8def\u7531\u3002\u56e0\u6b64\uff0c\u5f53\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u7684\u9ed8\u8ba4\u7f51\u5173\u8bbe\u7f6e\u4e3a Linux Bridge \u7684 IP \u5730\u5740\u65f6\uff0c\u539f\u672c\u9694\u79bb\u7684\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u4fbf\u80fd\u591f\u4e0e\u4e3b\u673a\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n
                        \u5b9e\u73b0\u5bb9\u5668\u4e0e\u4e3b\u673a\u4e4b\u95f4\u7684\u4e92\u901a\uff0c\u662f\u5bb9\u5668\u95f4\u901a\u4fe1\u7684\u5173\u952e\u73af\u8282\u3002<\/p>\n\n\n\n
                        \u3000<\/p>\n\n\n\n
                        \u865a\u62df\u7f51\u7edc\u901a\u4fe1\u6280\u672f VXLAN<\/strong><\/p>\n\n\n\n
                        \n\n\n\n
                        \u57fa\u4e8e\u7269\u7406\u8bbe\u5907\u5b9e\u73b0\u7684\u201c\u539f\u751f\u201d\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u76f8\u5bf9\u56fa\u5b9a\uff0c\u5f88\u96be\u8ddf\u5f97\u4e0a\u4e91\u539f\u751f\u65f6\u4ee3\u4e0b\u7cfb\u7edf\u9891\u7e41\u53d8\u52a8\u7684\u9891\u7387\u3002\u4f8b\u5982\uff0c\u5bb9\u5668\u7684\u52a8\u6001\u6269\u7f29\u5bb9\u3001\u96c6\u7fa4\u8de8\u6570\u636e\u4e2d\u5fc3\u8fc1\u79fb\u7b49\u7b49\uff0c\u90fd\u8981\u6c42\u7f51\u7edc\u62d3\u6251\u968f\u65f6\u505a\u51fa\u8c03\u6574\u3002\u6b63\u56e0\u4e3a\u5982\u6b64\uff0c\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc\uff08Software Defined Networking\uff0cSDN\uff09\u7684\u9700\u6c42\u53d8\u5f97\u524d\u6240\u672a\u6709\u7684\u8feb\u5207\u3002<\/p>\n\n\n\n
                        SDN \u7684\u6838\u5fc3\u601d\u60f3\u662f\u5728\u73b0\u6709\u7269\u7406\u7f51\u7edc\u4e4b\u4e0a\u6784\u5efa\u4e00\u5c42\u865a\u62df\u7f51\u7edc\uff0c\u901a\u8fc7\u89e3\u8026\u63a7\u5236\u5e73\u9762\uff08\u64cd\u4f5c\u7cfb\u7edf\u548c\u7f51\u7edc\u63a7\u5236\u8f6f\u4ef6\uff09\u4e0e\u6570\u636e\u5e73\u9762\uff08\u7269\u7406\u8bbe\u5907\u548c\u901a\u4fe1\u534f\u8bae\uff09\uff0c\u5c06\u7f51\u7edc\u670d\u52a1\u4ece\u5e95\u5c42\u786c\u4ef6\u4e2d\u62bd\u8c61\u51fa\u6765\uff0c\u4f7f\u5176\u80fd\u591f\u901a\u8fc7\u8f6f\u4ef6\u7f16\u7a0b\u76f4\u63a5\u63a7\u5236\u3002<\/p>\n\n\n\n
                        SDN \u7f51\u7edc\u6a21\u578b\u5982\u56fe 3-16 \u6240\u793a\uff0c\u5b83\u7531\u4e24\u4e2a\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n\n\n\n
                          \n
                        • Underlay \u7f51\u7edc<\/strong>\uff08\u5e95\u5c42\u7f51\u7edc\uff09\uff1a\u7531\u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u7b49\u786c\u4ef6\u8bbe\u5907\u7ec4\u6210\u7684\u7269\u7406\u7f51\u7edc\uff0c\u8d1f\u8d23\u5e95\u5c42\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n
                        • Overlay \u7f51\u7edc<\/strong>\uff08\u8986\u76d6\u7f51\u7edc\uff09\uff1a\u57fa\u4e8e\u7f51\u7edc\u865a\u62df\u5316\u6280\u672f\u6784\u5efa\u5728 Underlay \u4e4b\u4e0a\u7684\u903b\u8f91\u7f51\u7edc\uff0c\u5b9e\u73b0\u865a\u62df\u673a\u3001\u5bb9\u5668\u7b49\u8ba1\u7b97\u8d44\u6e90\u4e4b\u95f4\u7684\u4e92\u8054\u3002<\/li>\n<\/ul>\n\n\n
                          \n
                          \"\"<\/figure><\/div>\n\n\n
                          SDN \u7684\u53d1\u5c55\u65e9\u4e8e\u4e91\u539f\u751f\u5341\u4f59\u5e74\uff0c\u5728\u6b64\u8fc7\u7a0b\u4e2d\u6d8c\u73b0\u51fa\u591a\u79cd Overlay \u7f51\u7edc\u5b9e\u73b0\u65b9\u6848\uff0c\u5982 Geneve\uff08Generic Network Virtualization Encapsulation\uff09\u3001VXLAN\uff08Virtual Extensible LAN\uff09\u3001STT\uff08Stateless Transport Tunneling\uff09\u7b49\u3002\u8fd9\u4e9b\u6280\u672f\u672c\u8d28\u4e0a\u90fd\u662f\u96a7\u9053\u6280\u672f\uff0c\u5373\u901a\u8fc7\u201c\u5728\u73b0\u6709\u7269\u7406\u7f51\u7edc\u4e0a\u5c01\u88c5\u6570\u636e\u5305\uff0c\u521b\u5efa\u865a\u62df\u7f51\u7edc\u201d\u3002<\/p>\n\n\n\n
                          \u5728\u865a\u62df\u7f51\u7edc\u4e2d\uff0c\u5bb9\u5668\u65e0\u9700\u5173\u6ce8\u5e95\u5c42\u7269\u7406\u7f51\u7edc\u7684\u8def\u7531\u89c4\u5219\uff0c\u800c\u7269\u7406\u7f51\u7edc\u4e5f\u65e0\u9700\u9488\u5bf9\u5bb9\u5668 IP \u8fdb\u884c\u4e13\u95e8\u7684\u8def\u7531\u914d\u7f6e\u3002\u56e0\u6b64\uff0c\u4ee5 VXLAN \u4e3a\u4ee3\u8868\u7684 Overlay \u7f51\u7edc\uff0c\u4f5c\u4e3a\u4e00\u79cd\u65e0\u9700\u4fee\u6539\u5e95\u5c42\u7f51\u7edc\u5373\u53ef\u5b9e\u73b0\u5bb9\u5668\u4e92\u8054\u7684\u65b9\u6848\uff0c\u5feb\u901f\u5728\u5bb9\u5668\u9886\u57df\u94fa\u5f00\u4e86\u3002<\/p>\n\n\n\n
                          \u5b66\u4e60 VXLAN \u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u5145\u5206\u4e86\u89e3\u4e00\u4e9b\u7269\u7406\u7f51\u7edc\u901a\u4fe1\u7684\u57fa\u672c\u539f\u7406\u3002\u63a5\u4e0b\u6765\uff0c\u7b14\u8005\u5c06\u5148\u4ecb\u7ecd VXLAN \u7684\u524d\u8eab VLAN\uff08Virtual Local Area Network\uff0c\u865a\u62df\u5c40\u57df\u7f51\uff09\u6280\u672f\u3002<\/p>\n\n\n\n
                          \u3000<\/p>\n\n\n\n
                          \u865a\u62df\u5c40\u57df\u7f51 VLAN<\/strong><\/p>\n\n\n\n
                          \n\n\n\n
                          \u5728\u4ee5\u592a\u7f51\u901a\u4fe1\u4e2d\uff0c\u6570\u636e\u5e27\u5fc5\u987b\u5305\u542b\u76ee\u6807 MAC \u5730\u5740\u624d\u80fd\u6b63\u5e38\u4f20\u8f93\u3002\u56e0\u6b64\uff0c\u8ba1\u7b97\u673a\u5728\u901a\u4fe1\u524d\u901a\u5e38\u4f1a\u5148\u5e7f\u64ad ARP \u8bf7\u6c42\uff0c\u4ee5\u83b7\u53d6\u76ee\u6807 MAC \u5730\u5740\u3002\u4f46\u662f\uff0c\u5f53\u4e00\u4e2a\u5e7f\u64ad\u57df\u5185\u8bbe\u5907\u975e\u5e38\u591a\u65f6\uff0cARP\u3001DHCP\u3001RIP \u7b49\u673a\u5236\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u5e7f\u64ad\u5e27\uff0c\u5f88\u5bb9\u6613\u5f62\u6210\u5e7f\u64ad\u98ce\u66b4\u3002\u56e0\u6b64\uff0cVLAN \u7684\u6838\u5fc3\u804c\u8d23\u662f\u5212\u5206\u5e7f\u64ad\u57df\uff0c\u4f7f\u6bcf\u4e2a VLAN \u5f62\u6210\u72ec\u7acb\u7684\u5e7f\u64ad\u57df\uff0c\u4ece\u903b\u8f91\u4e0a\u9694\u79bb\u540c\u4e00\u7269\u7406\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u3002<\/p>\n\n\n\n
                          \u4e3e\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u3002\u5047\u8bbe\u4e00\u4e2a\u539f\u59cb\u5e7f\u64ad\u57df\u4f7f\u7528\u7f51\u6bb5 172.16.0.0\/16\uff0c\u5176\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u53ef\u4ee5\u5bb9\u7eb3 65,536 \u4e2a IP \u5730\u5740\uff08\u4e0d\u5305\u62ec\u4fdd\u7559\u5730\u5740\uff09\u3002\u82e5\u4e0d\u8fdb\u884c\u5212\u5206\uff0c\u6240\u6709\u8bbe\u5907\u5171\u4eab\u540c\u4e00\u5e7f\u64ad\u57df\uff0cARP \u7b49\u5e7f\u64ad\u6d41\u91cf\u53ef\u80fd\u5f15\u53d1\u4e25\u91cd\u7684\u7f51\u7edc\u62e5\u585e\u3002\u5982\u679c\u5c06 172.16.0.0\/16 \u5212\u5206\u4e3a 255 \u4e2a\u5b50\u7f51\uff0c\u6bcf\u4e2a\u5b50\u7f51\u5bf9\u5e94 172.16.1.0\/24\u3001172.16.2.0\/24\u3001172.16.3.0\/24\uff0c\u76f4\u5230 172.16.255.0\/24\uff0c\u6bcf\u4e2a\u5b50\u7f51\u7684 VLAN ID \u4f9d\u6b21\u4e3a 1\u30012\u30013 … 255\u3002\u8fd9\u6837\uff0c\u6bcf\u4e2a VLAN \u62e5\u6709\u72ec\u7acb\u7684\u5e7f\u64ad\u57df\uff0c\u7406\u8bba\u4e0a\u53ef\u5bb9\u7eb3 254 \u53f0\u7ec8\u7aef\uff0c\u5e7f\u64ad\u98ce\u66b4\u7684\u5f71\u54cd\u6307\u6570\u7ea7\u4e0b\u964d\u3002<\/p>\n\n\n\n
                          VLAN \u5212\u5206\u5b50\u7f51\u7684\u65b9\u5f0f\u662f\u5728\u4ee5\u592a\u5e27\u62a5\u5934\u4e2d\u6dfb\u52a0 VLAN Tag\uff0c\u4f7f\u5e7f\u64ad\u4ec5\u5728\u76f8\u540c VLAN Tag \u7684\u8bbe\u5907\u95f4\u751f\u6548\u3002\u652f\u6301 VLAN \u7684\u4ea4\u6362\u673a\u53ef\u8bc6\u522b\u5e27\u5185\u7684 VLAN ID\uff0c\u786e\u4fdd\u6570\u636e\u5305\u4ec5\u5728\u76f8\u540c VLAN \u5185\u8f6c\u53d1\u3002<\/p>\n\n\n\n
                          VLAN \u5212\u5206\u5b50\u7f51\u867d\u7136\u80fd\u6709\u6548\u63a7\u5236\u5e7f\u64ad\u98ce\u66b4\uff0c\u4f46\u5728\u65e2\u9700\u8981\u9694\u79bb\u53c8\u5e0c\u671b\u90e8\u5206\u4e3b\u673a\u4e92\u901a\u7684\u573a\u666f\u4e0b\uff0c\u4ec5\u5212\u5206 VLAN \u8fd8\u4e0d\u591f\uff0c\u8fd8\u9700\u5efa\u7acb\u8de8 VLAN \u8bbf\u95ee\u7684\u901a\u9053\u3002\u7531\u4e8e\u4e0d\u540c VLAN \u4e4b\u95f4\u5b8c\u5168\u9694\u79bb\uff0c\u5e7f\u64ad\u57df\u4e0d\u91cd\u53e0\uff0c\u5b83\u4eec\u7684\u901a\u4fe1\u5fc5\u987b\u4f9d\u8d56\u4e09\u5c42\u8def\u7531\u8bbe\u5907\u3002<\/p>\n\n\n\n
                          \u6700\u7b80\u5355\u7684\u4e09\u5c42\u8def\u7531\u6a21\u5f0f\u662f\u901a\u8fc7\u5355\u81c2\u8def\u7531\u5b9e\u73b0\u7684\u3002\u5176\u7f51\u7edc\u62d3\u6251\u5982\u56fe 3-17 \u6240\u793a\uff0c\u8def\u7531\u5668\u4e0e\u4ea4\u6362\u673a\u4e4b\u95f4\u901a\u8fc7\u4e00\u6761\u7ebf\u8def\u8fde\u63a5\uff0c\u79f0\u4e3a Trunk \u94fe\u8def\u3002\u4e0e\u4e4b\u76f8\u5bf9\uff0c\u4e3b\u673a\u4e0e\u4ea4\u6362\u673a\u4e4b\u95f4\u7684\u94fe\u8def\u79f0\u4e3a Access \u94fe\u8def\u3002Trunk \u94fe\u8def\u5141\u8bb8\u4efb\u4f55 VLAN ID \u7684\u6570\u636e\u5305\u901a\u8fc7\u3002\u5f53\u9700\u8981\u8def\u7531\u7684\u6570\u636e\u5305\u901a\u8fc7 Trunk \u94fe\u8def\u4f20\u8f93\u5230\u8def\u7531\u5668\u8fdb\u884c\u5904\u7406\u540e\uff0c\u5904\u7406\u5b8c\u7684\u5305\u4f1a\u8fd4\u56de\u81f3\u4ea4\u6362\u673a\u8fdb\u884c\u8f6c\u53d1\u3002\u6240\u4ee5\u5927\u5bb6\u7ed9\u8fd9\u79cd\u62d3\u6251\u8d77\u4e86\u4e00\u4e2a\u5f62\u8c61\u7684\u540d\u5b57 \u2014\u2014 \u5355\u81c2\u8def\u7531\u3002<\/p>\n\n\n\n
                          \u8bf4\u767d\u4e86\uff0c\u5355\u81c2\u8def\u7531\u5c31\u662f\u4ece\u54ea\u4e2a\u53e3\u8fdb\u53bb\uff0c\u518d\u4ece\u54ea\u4e2a\u53e3\u51fa\u6765\uff0c\u800c\u4e0d\u50cf\u4f20\u7edf\u7f51\u7edc\u62d3\u6251\u4e2d\u6570\u636e\u5305\u901a\u8fc7\u4e0d\u540c\u63a5\u53e3\u8fdb\u5165\u548c\u79bb\u5f00\u8def\u7531\u5668\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u79cd\u5355\u81c2\u8def\u7531\u6a21\u5f0f\uff0c802.1Q \u4ee5\u592a\u7f51\u89c4\u8303\u5b9a\u4e49\u4e86\u201c\u5b50\u63a5\u53e3\u201d\uff08Sub-Interface\uff09\u7684\u6982\u5ff5\uff0c\u4f7f\u5f97\u540c\u4e00\u7269\u7406\u7f51\u5361\u53ef\u4ee5\u7ed1\u5b9a\u4e0d\u540c VLAN \u7684 IP \u5730\u5740\u3002\u901a\u8fc7\u5c06\u5404\u5b50\u7f51\u7684\u9ed8\u8ba4\u7f51\u5173\u914d\u7f6e\u4e3a\u76f8\u5e94\u5b50\u63a5\u53e3\u7684\u5730\u5740\uff0c\u8def\u7531\u5668\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539 VLAN \u6807\u7b7e\u6765\u5b9e\u73b0\u4e0d\u540c VLAN \u4e4b\u95f4\u7684\u8de8\u5b50\u7f51\u6570\u636e\u8f6c\u53d1\u3002<\/p>\n\n\n
                          \n
                          \"\"<\/figure><\/div>\n\n\n
                          VLAN \u867d\u7136\u901a\u8fc7\u5212\u5206\u5b50\u7f51\u6765\u89e3\u51b3\u5e7f\u64ad\u98ce\u66b4\uff0c\u4f46\u5b83\u4e5f\u6709\u660e\u663e\u7684\u7f3a\u9677\uff1a<\/p>\n\n\n\n
                            \n
                          • VLAN Tag \u8bbe\u8ba1\u7f3a\u9677<\/strong>\uff1a\u5f53\u65f6\u7684\u7f51\u7edc\u5de5\u7a0b\u5e08\u5b8c\u5168\u672a\u6599\u53ca\u4e91\u8ba1\u7b97\u4f1a\u53d1\u5c55\u5f97\u4f1a\u5982\u6b64\u666e\u53ca\uff0c\u53ea\u8bbe\u8ba1\u4e86 12 \u4f4d bit \u5b58\u50a8 VLAN ID\uff0c\u56e0\u6b64\u6700\u591a\u53ea\u80fd\u652f\u6301 4,094 \u4e2a VLAN\u3002\u5bf9\u4e8e\u5927\u578b\u6570\u636e\u4e2d\u5fc3\u6216\u8fd0\u8425\u5546\u7f51\u7edc\uff0c\u8fd9\u4e2a\u6570\u91cf\u8fdc\u8fdc\u4e0d\u591f\uff0c\u5f88\u5bb9\u6613\u9020\u6210 VLAN ID \u67af\u7aed\u3002<\/li>\n\n\n\n
                          • \u8de8\u6570\u636e\u4e2d\u5fc3\u901a\u4fe1\u56f0\u96be<\/strong>\uff1aVLAN \u662f\u4e8c\u5c42\u7f51\u7edc\u6280\u672f\uff0c\u800c\u4e24\u4e2a\u72ec\u7acb\u6570\u636e\u4e2d\u5fc3\u4e4b\u95f4\u53ea\u80fd\u901a\u8fc7\u4e09\u5c42\u7f51\u7edc\u4e92\u901a\u3002\u8fd9\u4f7f\u5f97\u5728\u4e91\u8ba1\u7b97\u73af\u5883\u4e2d\uff0c\u5c24\u5176\u662f\u5728\u4e1a\u52a1\u8de8\u591a\u4e2a\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72\u65f6\uff0c\u4f20\u9012 VLAN Tag \u6210\u4e3a\u4e00\u79cd\u9ebb\u70e6\u7684\u5de5\u4f5c\u3002\u7279\u522b\u662f\u5728\u5bb9\u5668\u5316\u73af\u5883\u4e2d\uff0c\u4e00\u53f0\u7269\u7406\u673a\u4e0a\u53ef\u80fd\u8fd0\u884c\u6570\u767e\u4e2a\u5bb9\u5668\uff0c\u6bcf\u4e2a\u5bb9\u5668\u90fd\u6709\u72ec\u7acb\u7684 IP \u548c MAC \u5730\u5740\uff0c\u8fd9\u7ed9\u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u7b49\u8bbe\u5907\u5e26\u6765\u4e86\u5de8\u5927\u7684\u538b\u529b\u3002<\/li>\n<\/ul>\n\n\n\n
                            \u3000\u3000<\/p>\n\n\n\n
                            \u865a\u62df\u53ef\u6269\u5c55\u5c40\u57df\u7f51 VXLAN<\/strong><\/p>\n\n\n\n
                            \n\n\n\n
                            \u4e3a\u4e86\u89e3\u51b3 VLAN \u7684\u8bbe\u8ba1\u7f3a\u9677\uff0cIETF \u5b9a\u4e49\u4e86 VXLAN\uff08Virtual eXtensible Local Area Network\uff0c\u865a\u62df\u53ef\u6269\u5c55\u5c40\u57df\u7f51\uff09\u89c4\u8303\u3002\u867d\u7136\u4ece\u540d\u5b57\u4e0a\u770b\uff0cVXLAN \u4f3c\u4e4e\u662f VLAN \u7684\u4e00\u79cd\u6269\u5c55\u534f\u8bae\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u5b83\u4e0e VLAN \u5728\u8bbe\u8ba1\u7406\u5ff5\u548c\u5b9e\u73b0\u65b9\u5f0f\u4e0a\u6709\u7740\u672c\u8d28\u7684\u4e0d\u540c\u3002<\/p>\n\n\n\n
                            VXLAN \u5c5e\u4e8e NVO3\uff08Network Virtualization over Layer 3\uff0c\u4e09\u5c42\u865a\u62df\u5316\u7f51\u7edc\uff09\u7684\u6807\u51c6\u6280\u672f\u89c4\u8303\u4e4b\u4e00\uff0c\u91c7\u7528\u96a7\u9053\u5c01\u88c5\u6280\u672f\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u901a\u8fc7\u201c\u5c01\u88c5\/\u89e3\u5c01\u201d\u624b\u6bb5\uff0c\u5c06\u4e8c\u5c42\uff08L2\uff09\u4ee5\u592a\u7f51\u5e27\u5c01\u88c5\u5230\u56db\u5c42\uff08L4\uff09UDP \u62a5\u6587\u4e2d\uff0c\u5e76\u5728\u4e09\u5c42\uff08L3\uff09\u7f51\u7edc\u4e2d\u8fdb\u884c\u4f20\u8f93\u3002\u8fd9\u6837\uff0c\u4e0d\u540c\u6570\u636e\u4e2d\u5fc3\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u4fe1\u4fbf\u5982\u540c\u5728\u540c\u4e00\u5e7f\u64ad\u57df\u5185\u8fdb\u884c\uff0c\u4ece\u800c\u89e3\u51b3\u4e86\u4f20\u7edf VLAN \u9762\u4e34\u7684\u6269\u5c55\u6027\u548c\u8de8\u6570\u636e\u4e2d\u5fc3\u901a\u4fe1\u7684\u9650\u5236\u3002<\/p>\n\n\n\n
                            \u6839\u636e\u56fe 3-18\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 VXLAN \u62a5\u6587\u5982\u4f55\u5c01\u88c5\u539f\u59cb\u7684\u4ee5\u592a\u7f51\u5e27\uff08\u56fe\u4e2d\u7684 Original Layer2 Frame\uff09\uff1a<\/p>\n\n\n\n
                              \n
                            • VXLAN Header<\/strong>\uff1a\u5305\u542b 24 \u4f4d\u7684 VNI\uff08VXLAN Network Identifier\uff09\u5b57\u6bb5\uff0c\u7528\u4e8e\u5b9a\u4e49 VXLAN \u7f51\u7edc\u4e2d\u7684\u4e0d\u540c\u79df\u6237\uff0c\u652f\u6301\u7684\u6700\u5927\u6570\u91cf\u4e3a 1,677 \u4e07\u4e2a\u3002<\/li>\n\n\n\n
                            • UDP Header<\/strong>\uff1a\u5728 UDP \u5934\u4e2d\uff0c\u76ee\u7684\u7aef\u53e3\u53f7\uff08\u56fe\u4e2d\u7684 VXLAN Port\uff09\u56fa\u5b9a\u4e3a 4789\uff0c\u6e90\u7aef\u53e3\u968f\u673a\u5206\u914d\u3002<\/li>\n\n\n\n
                            • Outer IP Header<\/strong>\uff1a\u5c01\u88c5\u76ee\u7684 IP \u5730\u5740\u548c\u6e90 IP \u5730\u5740\uff0c\u8fd9\u91cc IP \u6307\u7684\u662f\u5bbf\u4e3b\u673a\u7684 IP \u5730\u5740\u3002<\/li>\n\n\n\n
                            • Outer MAC Header<\/strong>\uff1a\u5c01\u88c5\u6e90 MAC \u5730\u5740\uff0c\u76ee\u7684 MAC \u5730\u5740\uff0c\u8fd9\u91cc MAC \u5730\u5740\u6307\u7684\u662f\u5bbf\u4e3b\u673a MAC \u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n
                              \n
                              \"\"<\/figure><\/div>\n\n\n
                              \u5728 VXLAN \u96a7\u9053\u7f51\u7edc\u4e2d\uff0c\u8d1f\u8d23\u201c\u5c01\u88c5\/\u89e3\u5c01\u201d\u7684\u8bbe\u5907\u88ab\u79f0\u4e3a VTEP \u8bbe\u5907\uff08VXLAN Tunnel Endpoints\uff0cVXLAN \u96a7\u9053\u7aef\u70b9\uff09\uff0c\u5728 Linux \u7cfb\u7edf\u4e2d\uff0c\u5b83\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u865a\u62df\u7684 VXLAN \u7f51\u7edc\u63a5\u53e3\u3002\u5f53\u6e90\u670d\u52a1\u5668\u4e2d\u7684\u5bb9\u5668\u53d1\u9001\u539f\u59cb\u6570\u636e\u5e27\u65f6\uff0c\u9996\u5148\u7531\u8d77\u70b9\u7684 VTEP \u8bbe\u5907\u5c06\u5176\u5c01\u88c5\u4e3a VXLAN \u683c\u5f0f\u7684\u62a5\u6587\uff0c\u7136\u540e\u901a\u8fc7\u4e3b\u673a\u7684 IP \u7f51\u7edc\u4f20\u8f93\u5230\u76ee\u6807\u670d\u52a1\u5668\u7684 VTEP \u8bbe\u5907\u3002\u76ee\u6807\u670d\u52a1\u5668\u4e2d\u7684 VTEP \u8bbe\u5907\u89e3\u5c01 VXLAN \u62a5\u6587\uff0c\u6062\u590d\u539f\u59cb\u6570\u636e\u5e27\uff0c\u5e76\u5c06\u5176\u8f6c\u53d1\u5230\u76ee\u6807\u5bb9\u5668\u3002<\/p>\n\n\n\n
                              Linux \u5185\u6838 3.12 \u7248\u672c\u5f00\u59cb\u652f\u6301\u5b8c\u5907\u7684 VXLAN \u6280\u672f\uff0c\u5305\u62ec\u591a\u64ad\u6a21\u5f0f\u3001\u5355\u64ad\u6a21\u5f0f\u548c IPv6 \u652f\u6301\u7b49\u529f\u80fd\u3002\u73b0\u5728\uff0c\u5728\u4e09\u5c42\u53ef\u8fbe\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u65e0\u9700\u4e13\u7528\u786c\u4ef6\uff0c\u7b80\u5355\u914d\u7f6e\u4e0b Linux \u7cfb\u7edf\uff0c\u5c31\u53ef\u4ee5\u6784\u5efa VXLAN \u96a7\u9053\u7f51\u7edc\u3002<\/p>\n\n\n\n
                              \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5177\u4f53\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728 Linux \u7cfb\u7edf\u4e2d\u914d\u7f6e VXLAN \u63a5\u53e3\u5e76\u5c06\u5176\u4e0e Linux bridge \u7ed1\u5b9a\u3002<\/p>\n\n\n\n
                              # \u521b\u5efa\u4e00\u4e2a bridge\n$ brctl addbr br0\n\n# \u521b\u5efa\u4e00\u4e2a VXLAN \u63a5\u53e3\uff0cVNI \u4e3a 100\uff0c\u6307\u5b9a\u4f7f\u7528 eth0 \u4f5c\u4e3a\u7269\u7406\u63a5\u53e3\n$ ip link add vxlan100 type vxlan id 100 dev eth0 dstport 4789\n\n# \u5c06 VXLAN \u63a5\u53e3\u52a0\u5165 bridge\n$ brctl addif br0 vxlan100\n\n# \u542f\u52a8 bridge \u548c VXLAN \u63a5\u53e3\n$ ip link set up dev br0\n$ ip link set up dev vxlan100<\/pre>\n\n\n\n
                              \u901a\u8fc7\u4e0a\u8ff0\u914d\u7f6e\uff0c\u5f53 vxlan100 \u63a5\u53e3\u63a5\u6536\u5230\u6570\u636e\u5305\uff08\u901a\u8fc7 VXLAN \u96a7\u9053\u4f20\u8f93\u800c\u6765\uff09\u65f6\uff1a<\/p>\n\n\n\n
                                \n
                              • \u9996\u5148\uff0c\u8fdb\u884c\u89e3\u5c01\u64cd\u4f5c\uff0c\u79fb\u9664 VXLAN \u5934\u90e8\u548c UDP \u5934\u90e8\uff0c\u63d0\u53d6\u539f\u59cb\u7684\u4e8c\u5c42\u4ee5\u592a\u7f51\u5e27\uff1b<\/li>\n\n\n\n
                              • \u7136\u540e\uff0c\u5c06\u539f\u59cb\u4e8c\u5c42\u4ee5\u592a\u7f51\u5e27\u8f6c\u53d1\u81f3\u540d\u4e3a br0 \u7684 Linux bridge\uff0c\u4e4b\u540e Linux bridge \u6839\u636e\u5176\u8fde\u63a5\u7684\u7f51\u7edc\u63a5\u53e3\u8f6c\u53d1\u81f3\u67d0\u4e2a\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n\n\n
                                \n
                                \"\"<\/figure><\/div>\n\n\n
                                \u4ece\u4e0a\u8ff0\u5206\u6790\u53ef\u4ee5\u770b\u51fa\uff0cVXLAN \u5b8c\u7f8e\u5f25\u8865\u4e86 VLAN \u7684\u4e0d\u8db3\uff1a<\/p>\n\n\n\n
                                  \n
                                • \u9996\u5148\uff0cVXLAN \u4f7f\u7528 24 \u4f4d\u7684 VNI \u5b57\u6bb5\uff08\u5982\u56fe 3-18 \u6240\u793a\uff09\uff0c\u7406\u8bba\u4e0a\u53ef\u652f\u6301\u8d85\u8fc7 1,600 \u4e07\u4e2a\u903b\u8f91\u4e8c\u5c42\u7f51\u7edc\uff0c\u8fdc\u8d85 VLAN \u7684 4,094 \u4e2a\u9650\u5236\uff1b<\/li>\n\n\n\n
                                • \u5176\u6b21\uff0cVXLAN \u672c\u8d28\u4e0a\u6784\u5efa\u4e86\u8de8\u8d8a\u591a\u4e2a\u7269\u7406\u7f51\u7edc\u7684\u201c\u96a7\u9053\u201d\uff0c\u901a\u8fc7\u5c06\u539f\u59cb Layer 2\uff08\u4ee5\u592a\u7f51\uff09\u5e27\u5c01\u88c5\u5728 Layer 3\uff08IP \u7f51\u7edc\uff09\u4e2d\u8fdb\u884c\u4f20\u8f93\uff0c\u5b9e\u73b0\u4e0d\u540c\u7269\u7406\u7f51\u7edc\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u72b9\u5982\u5904\u4e8e\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002\u65e0\u8bba\u865a\u62df\u673a\u6216\u5bb9\u5668\u8fc1\u79fb\u5230 VLAN B \u8fd8\u662f VLAN C\uff0c\u5b83\u4eec\u4ecd\u7136\u5904\u4e8e\u540c\u4e00\u4e2a\u4e8c\u5c42\u7f51\u7edc\u4e2d\uff0c\u7f51\u7edc\u5c42\u914d\u7f6e\u65e0\u9700\u8c03\u6574\u3002<\/li>\n<\/ul>\n\n\n\n
                                  VXLAN \u5177\u5907\u9ad8\u7075\u6d3b\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u6613\u4e8e\u7ba1\u7406\u7684\u7279\u70b9\uff0c\u5df2\u6210\u4e3a\u6784\u5efa\u6570\u636e\u4e2d\u5fc3\u53ca\u5bb9\u5668\u7f51\u7edc\u7684\u4e3b\u6d41\u6280\u672f\u3002\u7edd\u5927\u591a\u6570\u516c\u6709\u4e91\u7684 VPC\uff08\u865a\u62df\u79c1\u6709\u4e91\uff09\u53ca\u5bb9\u5668\u7f51\u7edc\u5747\u91c7\u7528 VXLAN \u6280\u672f\u6784\u5efa\u5927\u578b\u4e8c\u5c42\u7f51\u7edc\u3002\u5728\u672c\u4e66\u7b2c\u4e03\u7ae0\u7684 7.6 \u8282\u4e2d\uff0c\u7b14\u8005\u5c06\u4ee5\u5bb9\u5668\u7f51\u7edc\u89e3\u51b3\u65b9\u6848 Flannel \u7684 VXLAN \u6a21\u5f0f\u4e3a\u4f8b\uff0c\u8be6\u7ec6\u9610\u8ff0\u5bb9\u5668\u7f51\u7edc\u901a\u4fe1\u7684\u8fc7\u7a0b\u53ca\u539f\u7406\u3002<\/p>\n\n\n\n
                                  \u3000<\/p>\n\n\n\n
                                  \u5c0f\u7ed3<\/strong><\/p>\n\n\n\n
                                  \n\n\n\n
                                  \u9053\u5bb6\u7ecf\u5178\u300a\u5e84\u5b50\u300b\u4e2d\u6709\u4e00\u5219\u5e96\u4e01\u89e3\u725b\u7684\u6545\u4e8b\u3002\u6881\u60e0\u738b\u56e0\u5e96\u4e01\u89e3\u725b\u7684\u6280\u672f\u60ca\u53f9\uff1a\u201c\u4f60\u7684\u6280\u672f\u548b\u4f1a\u9ad8\u8d85\u5230\u8fd9\u79cd\u7a0b\u5ea6\uff1f\u201d\uff0c\u5e96\u4e01\u56de\uff1a\u201c\u6211\u6240\u8ffd\u6c42\u7684\u662f\u5bb0\u725b\u7684\u9053\u7406\u554a\uff0c\u9053\u7406\u8981\u6bd4\u6280\u827a\u66f4\u9ad8\u4e00\u7b79…\u201d\u3002<\/p>\n\n\n\n
                                  \u8f6f\u4ef6\u5f00\u53d1\u6280\u672f\u5176\u5b9e\u548c\u89e3\u725b\u6280\u672f\u662f\u76f8\u901a\u7684\u3002\u5f53\u4f60\u4e0d\u61c2\u5e95\u5c42\u539f\u7406\u65f6\uff0c\u4f60\u53ea\u80fd\u770b\u5230\u8868\u9762\u7684\u73b0\u8c61\u3002\u6280\u672f\u7cbe\u8fdb\u540e\uff0c\u8fbe\u5230\u5e96\u4e01\u5883\u754c\u65f6\uff0c\u5c31\u5982\u540c\u4f69\u6234\u4e86\u900f\u89c6\u955c\uff0c\u80fd\u6d1e\u5bdf\u7cfb\u7edf\u7684\u5185\u5728\u8109\u7edc\uff0c\u7406\u89e3\u5404\u4e2a\u6a21\u5757\u7684\u201c\u6709\u673a\u201d\u534f\u4f5c\uff0c\u8fdb\u800c\u5bf9\u6574\u4e2a\u7cfb\u7edf\u67b6\u6784\u6709\u4e2a\u5168\u5c40\u89c6\u91ce\uff0c\u51c6\u786e\u628a\u63e1\u8bbe\u8ba1\u4e0e\u6280\u672f\u9009\u578b\u7684\u6838\u5fc3\u3002<\/p>\n\n\n\n
                                  \u6b64\u523b\uff0c\u518d\u56de\u987e\u8fd1\u51e0\u5e74\u5f15\u9886\u6280\u672f\u6f6e\u6d41\u7684\u5bb9\u5668\u3001\u670d\u52a1\u7f51\u683c\u3001Cilium \u7b49\u7b49\uff0c\u4f60\u662f\u5426\u4f53\u4f1a\u5230\u5b83\u4eec\u4e0d\u662f\u4ec0\u4e48\u201c\u9ed1\u79d1\u6280\u201d\uff0c\u53ea\u662f\u628a\u8ba1\u7b97\u673a\u7684\u57fa\u672c\u539f\u7406\u3001\u65b9\u6cd5\u91cd\u65b0\u7ec4\u5408\uff0c\u6362\u79cd\u5f62\u5f0f\u89e3\u51b3\u4e1a\u52a1\u53d8\u5316\u5e26\u6765\u7684\u65b0\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                                  Linux \u7f51\u7edc\u865a\u62df\u5316\u7684\u6838\u5fc3\u6280\u672f\u4e3b\u8981\u662f\u7f51\u7edc\u547d\u540d\u7a7a\u95f4\u548c\u5404\u79cd\u865a\u62df\u7f51\u7edc\u8bbe\u5907\uff0c\u5982\u7a0d\u540e\u4ecb\u7ecd\u7684 Veth\u3001Linux Br […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17950"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17950"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17950\/revisions"}],"predecessor-version":[{"id":17962,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17950\/revisions\/17962"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}