{"id":11735,"date":"2023-04-02T12:23:26","date_gmt":"2023-04-02T19:23:26","guid":{"rendered":"https:\/\/www.xh86.me\/?p=11735"},"modified":"2023-04-02T12:23:26","modified_gmt":"2023-04-02T19:23:26","slug":"vpn%ef%bc%88%e8%99%9a%e6%8b%9f%e4%b8%93%e7%94%a8%e7%bd%91%ef%bc%89%e6%94%bb%e7%95%a5%e5%a4%a7%e5%85%a8%ef%bc%8c%e4%bd%a0%e4%b8%80%e5%ae%9a%e4%bc%9a%e7%94%a8%e5%88%b0%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=11735","title":{"rendered":"VPN\uff08\u865a\u62df\u4e13\u7528\u7f51\uff09\u653b\u7565\u5927\u5168\uff0c\u4f60\u4e00\u5b9a\u4f1a\u7528\u5230\uff01"},"content":{"rendered":"

\u5728VPN\u51fa\u73b0\u4e4b\u524d\uff0c\u4f01\u4e1a\u5206\u652f\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u53ea\u80fd\u4f9d\u9760\u73b0\u6709\u7269\u7406\u7f51\u7edc\uff08\u4f8b\u5982Internet\uff09\u3002\u7531\u4e8eInternet\u4e2d\u5b58\u5728\u591a\u79cd\u4e0d\u5b89\u5168\u56e0\u7d20\uff0c\u62a5\u6587\u5bb9\u6613\u88ab\u7f51\u7edc\u4e2d\u7684\u9ed1\u5ba2\u7a83\u53d6\u6216\u7be1\u6539\uff0c\u6700\u7ec8\u9020\u6210\u6570\u636e\u6cc4\u5bc6\u3001\u91cd\u8981\u6570\u636e\u88ab\u7834\u574f\u7b49\u540e\u679c\u3002<\/p>\n

\u9664\u4e86\u901a\u8fc7Internet\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u642d\u5efa\u4e00\u6761\u7269\u7406\u4e13\u7f51\u8fde\u63a5\u4fdd\u8bc1\u6570\u636e\u7684\u5b89\u5168\u4f20\u8f93\u3002<\/span><\/p>\n

<\/pre>\n
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VPN\u7b80\u4ecb<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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VPN\u5373\u865a\u62df\u4e13\u7528\u7f51\uff0c\u6cdb\u6307\u901a\u8fc7VPN\u6280\u672f\u5728\u516c\u7528\u7f51\u7edc\u4e0a\u6784\u5efa\u7684\u865a\u62df\u4e13\u7528\u7f51\u7edc\u3002<\/strong>VPN\u7528\u6237\u5728\u6b64\u865a\u62df\u7f51\u7edc\u4e2d\u4f20\u8f93\u79c1\u7f51\u6d41\u91cf\uff0c\u5728\u4e0d\u6539\u53d8\u7f51\u7edc\u73b0\u72b6\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u5b89\u5168\u3001\u53ef\u9760\u7684\u8fde\u63a5\u3002<\/span><\/p>\n<\/section>\n
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VPN\u548c\u4f20\u7edf\u7684\u6570\u636e\u4e13\u7f51\u76f8\u6bd4\u5177\u6709\u5982\u4e0b\u4f18\u52bf\uff1a\u00a0<\/strong><\/span><\/p>\n
\u25ab\u5b89<\/strong>\u5168\uff1a<\/strong>\u5728\u8fdc\u7aef\u7528\u6237\u3001\u9a7b\u5916\u673a\u6784\u3001\u5408\u4f5c\u4f19\u4f34\u3001\u4f9b\u5e94\u5546\u4e0e\u516c\u53f8\u603b\u90e8\u4e4b\u95f4\u5efa\u7acb\u53ef\u9760\u7684\u8fde\u63a5\uff0c\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002\u8fd9\u5bf9\u4e8e\u5b9e\u73b0\u7535\u5b50\u5546\u52a1\u6216\u91d1\u878d\u7f51\u7edc\u4e0e\u901a\u8baf\u7f51\u7edc\u7684\u878d\u5408\u7279\u522b\u91cd\u8981\u3002\u00a0<\/span><\/p>\n
\u25ab\u5ec9\u4ef7\uff1a<\/strong>\u5229\u7528\u516c\u5171\u7f51\u7edc\u8fdb\u884c\u4fe1\u606f\u901a\u8baf\uff0c\u4f01\u4e1a\u53ef\u4ee5\u7528\u66f4\u4f4e\u7684\u6210\u672c\u8fde\u63a5\u8fdc\u7a0b\u529e\u4e8b\u673a\u6784\u3001\u51fa\u5dee\u4eba\u5458\u548c\u4e1a\u52a1\u4f19\u4f34\u3002\u00a0<\/span><\/p>\n
\u25ab\u652f\u6301\u79fb\u52a8\u4e1a\u52a1\uff1a<\/strong>\u652f\u6301\u9a7b\u5916VPN\u7528\u6237\u5728\u4efb\u4f55\u65f6\u95f4\u3001\u4efb\u4f55\u5730\u70b9\u7684\u79fb\u52a8\u63a5\u5165\uff0c\u80fd\u591f\u6ee1\u8db3\u4e0d\u65ad\u589e\u957f\u7684\u79fb\u52a8\u4e1a\u52a1\u9700\u6c42\u3002\u25ab\u53ef\u6269\u5c55\u6027\uff1a<\/strong>\u7531\u4e8eVPN\u4e3a\u903b\u8f91\u4e0a\u7684\u7f51\u7edc\uff0c\u7269\u7406\u7f51\u7edc\u4e2d\u589e\u52a0\u6216\u4fee\u6539\u8282\u70b9\uff0c\u4e0d\u5f71\u54cdVPN\u7684\u90e8\u7f72\u3002\u00a0<\/span><\/p>\n
\u516c\u5171\u7f51\u7edc\u53c8\u7ecf\u5e38\u88ab\u79f0\u4e3aVPN\u9aa8\u5e72\u7f51\uff08VPN Backbone\uff09\uff0c\u516c\u5171\u7f51\u7edc\u53ef\u4ee5\u662fInternet\uff0c\u4e5f\u53ef\u4ee5\u662f\u4f01\u4e1a\u81ea\u5efa\u4e13\u7f51\u6216\u8fd0\u8425\u5546\u79df\u8d41\u4e13\u7f51\u3002<\/strong><\/span><\/p>\n<\/section>\n
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VPN\u5206\u7c7b –\u00a0\u6839\u636e\u5efa\u8bbe\u5355\u4f4d\u4e0d\u540c<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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VPN\u5206\u7c7b – \u6839\u636e\u7ec4\u7f51\u65b9\u5f0f\u4e0d\u540c<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n
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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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VPN\u5206\u7c7b – \u6839\u636e\u5b9e\u73b0\u7684\u7f51\u7edc\u5c42\u6b21<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n
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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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\u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\u548c\u6570\u636e\u94fe\u8def\u5c42\u7684VPN\u53c8\u88ab\u79f0\u4e3a\u4e09\u5c42VPN\u548c\u4e8c\u5c42VPN\u3002<\/span><\/p>\n<\/section>\n
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VPN\u5173\u952e\u6280\u672f – \u96a7\u9053\u6280\u672f<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n<\/section>\n
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VPN\u6280\u672f\u7684\u57fa\u672c\u539f\u7406\u662f\u5229\u7528\u96a7\u9053\uff08Tunnel\uff09\u6280\u672f\uff0c\u5bf9\u4f20\u8f93\u62a5\u6587\u8fdb\u884c\u5c01\u88c5\uff0c\u5229\u7528VPN\u9aa8\u5e72\u7f51\u5efa\u7acb\u4e13\u7528\u6570\u636e\u4f20\u8f93\u901a\u9053\uff0c\u5b9e\u73b0\u62a5\u6587\u7684\u5b89\u5168\u4f20\u8f93\u3002\u00a0<\/span><\/p>\n
\u4f4d\u4e8e\u96a7\u9053\u4e24\u7aef\u7684VPN\u7f51\u5173\uff0c\u901a\u8fc7\u5bf9\u539f\u59cb\u62a5\u6587\u7684\u201c\u5c01\u88c5\u201d\u548c\u201c\u89e3\u5c01\u88c5\u201d\uff0c\u5efa\u7acb\u4e00\u4e2a\u70b9\u5230\u70b9\u7684\u865a\u62df\u901a\u4fe1\u96a7\u9053\u3002<\/span><\/p>\n<\/section>\n
<\/div><\/p>\n
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\u96a7\u9053\u7684\u529f\u80fd\u5c31\u662f\u5728\u4e24\u4e2a\u7f51\u7edc\u8282\u70b9\u4e4b\u95f4\u63d0\u4f9b\u4e00\u6761\u901a\u8def\uff0c\u4f7f\u6570\u636e\u80fd\u591f\u5728\u8fd9\u4e2a\u901a\u8def\u4e0a\u900f\u660e\u4f20\u8f93\u3002VPN\u96a7\u9053\u4e00\u822c\u662f\u6307\u5728VPN\u9aa8\u5e72\u7f51\u7684VPN\u8282\u70b9\u4e4b\u95f4\u5efa\u7acb\u7684\u7528\u6765\u4f20\u8f93VPN\u6570\u636e\u7684\u865a\u62df\u8fde\u63a5\u3002<\/strong>\u96a7\u9053\u662f\u6784\u5efaVPN\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\uff0c\u7528\u4e8e\u628aVPN\u6570\u636e\u4ece\u4e00\u4e2aVPN\u8282\u70b9\u900f\u660e\u4f20\u9001\u5230\u53e6\u4e00\u4e2a\u4e0a\u3002\u00a0<\/span><\/p>\n
\u96a7\u9053\u901a\u8fc7\u96a7\u9053\u534f\u8bae\u5b9e\u73b0\u3002\u76ee\u524d\u5df2\u5b58\u5728\u4e0d\u5c11\u96a7\u9053\u534f\u8bae\uff0c\u5982GRE\uff08Generic Routing Encapsulation\uff09\u3001L2TP\uff08Layer 2 Tunneling Protocol\uff09\u7b49\u3002\u96a7\u9053\u534f\u8bae\u901a\u8fc7\u5728\u96a7\u9053\u7684\u4e00\u7aef\u7ed9\u6570\u636e\u52a0\u4e0a\u96a7\u9053\u534f\u8bae\u5934\uff0c\u5373\u8fdb\u884c\u5c01\u88c5\uff0c\u4f7f\u8fd9\u4e9b\u88ab\u5c01\u88c5\u7684\u6570\u636e\u80fd\u90fd\u5728\u67d0\u7f51\u7edc\u4e2d\u4f20\u8f93\uff0c\u5e76\u4e14\u5728\u96a7\u9053\u7684\u53e6\u4e00\u7aef\u53bb\u6389\u8be5\u6570\u636e\u643a\u5e26\u7684\u96a7\u9053\u534f\u8bae\u5934\uff0c\u5373\u8fdb\u884c\u89e3\u5c01\u88c5\u3002\u62a5\u6587\u5728\u96a7\u9053\u4e2d\u4f20\u8f93\u524d\u540e\u90fd\u8981\u901a\u8fc7\u5c01\u88c5\u548c\u89e3\u5c01\u88c5\u4e24\u4e2a\u8fc7\u7a0b\u3002\u00a0<\/span><\/p>\n
\u90e8\u5206\u96a7\u9053\u53ef\u4ee5\u6df7\u5408\u4f7f\u7528\uff0c\u5982GRE Over IPSec\u96a7\u9053\u3002<\/span><\/p>\n
\n<\/section>\n
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VPN\u5173\u952e\u6280\u672f – \u8eab\u4efd\u8ba4\u8bc1\u3001\u6570\u636e\u52a0\u5bc6\u4e0e\u9a8c\u8bc1<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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\n<\/section>\n
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\u8eab\u4efd\u8ba4\u8bc1\u3001\u6570\u636e\u52a0\u5bc6\u548c\u8ba4\u8bc1\u6280\u672f\u53ef\u4ee5\u6709\u6548\u4fdd\u8bc1VPN\u7f51\u7edc\u4e0e\u6570\u636e\u7684\u5b89\u5168\u6027\uff1a<\/strong><\/span><\/p>\n
\u25ab\u8eab\u4efd\u8ba4\u8bc1\uff1a<\/strong>\u53ef\u7528\u4e8e\u90e8\u7f72\u4e86\u8fdc\u7a0b\u63a5\u5165VPN\u7684\u573a\u666f\uff0cVPN\u7f51\u5173\u5bf9\u7528\u6237\u7684\u8eab\u4efd\u8fdb\u884c\u8ba4\u8bc1\uff0c\u4fdd\u8bc1\u63a5\u5165\u7f51\u7edc\u7684\u90fd\u662f\u5408\u6cd5\u7528\u6237\u800c\u975e\u6076\u610f\u7528\u6237\u3002\u4e5f\u53ef\u4ee5\u7528\u4e8eVPN\u7f51\u5173\u4e4b\u95f4\u5bf9\u5bf9\u65b9\u8eab\u4efd\u7684\u8ba4\u8bc1\u3002\u00a0<\/span><\/p>\n
\u25ab\u6570\u636e\u52a0\u5bc6\uff1a<\/strong>\u5c06\u660e\u6587\u901a\u8fc7\u52a0\u5bc6\u53d8\u6210\u5bc6\u6587\uff0c\u4f7f\u5f97\u6570\u636e\u5373\u4f7f\u88ab\u9ed1\u5ba2\u622a\u83b7\uff0c\u9ed1\u5ba2\u4e5f\u65e0\u6cd5\u83b7\u53d6\u5176\u4e2d\u7684\u4fe1\u606f\u3002\u00a0<\/span><\/p>\n
\u25ab\u6570\u636e\u9a8c\u8bc1\uff1a<\/strong>\u901a\u8fc7\u6570\u636e\u9a8c\u8bc1\u6280\u672f\u5bf9\u62a5\u6587\u7684\u5b8c\u6574\u6027\u548c\u771f\u4f2a\u8fdb\u884c\u68c0\u67e5\uff0c\u4e22\u5f03\u88ab\u4f2a\u9020\u548c\u88ab\u7be1\u6539\u7684\u62a5\u6587\u3002<\/span><\/p>\n<\/section>\n
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\u5e38\u89c1VPN\u6280\u672f<\/strong><\/span><\/p>\n<\/section>\n
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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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IPSec\u6982\u8ff0<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
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IPSec\uff08IP Security\uff09 VPN\u4e00\u822c\u90e8\u7f72\u5728\u4f01\u4e1a\u51fa\u53e3\u8bbe\u5907\u4e4b\u95f4\uff0c\u901a\u8fc7\u52a0\u5bc6\u4e0e\u9a8c\u8bc1\u7b49\u65b9\u5f0f\uff0c\u5b9e\u73b0\u4e86\u6570\u636e\u6765\u6e90\u9a8c\u8bc1\u3001\u6570\u636e\u52a0\u5bc6\u3001\u6570\u636e\u5b8c\u6574\u6027\u4fdd\u8bc1\u548c\u6297\u91cd\u653e\u7b49\u529f\u80fd\u3002<\/span><\/p>\n<\/section>\n
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  • \n
    \u6570\u636e\u6765\u6e90\u9a8c\u8bc1\uff1a<\/strong>\u63a5\u6536\u65b9\u9a8c\u8bc1\u53d1\u9001\u65b9\u8eab\u4efd\u662f\u5426\u5408\u6cd5\u3002\u00a0<\/span><\/p>\n<\/li>\n
  • \n
    \u6570\u636e\u52a0\u5bc6<\/strong>\uff1a\u53d1\u9001\u65b9\u5bf9\u6570\u636e\u8fdb\u884c\u52a0\u5bc6\uff0c\u4ee5\u5bc6\u6587\u7684\u5f62\u5f0f\u5728Internet\u4e0a\u4f20\u9001\uff0c\u63a5\u6536\u65b9\u5bf9\u63a5\u6536\u7684\u52a0\u5bc6\u6570\u636e\u8fdb\u884c\u89e3\u5bc6\u540e\u5904\u7406\u6216\u76f4\u63a5\u8f6c\u53d1\u3002\u00a0<\/span><\/p>\n<\/li>\n
  • \n
    \u6570\u636e\u5b8c\u6574\u6027\uff1a<\/strong>\u63a5\u6536\u65b9\u5bf9\u63a5\u6536\u7684\u6570\u636e\u8fdb\u884c\u9a8c\u8bc1\uff0c\u4ee5\u5224\u5b9a\u62a5\u6587\u662f\u5426\u88ab\u7be1\u6539\u3002\u00a0<\/span><\/p>\n<\/li>\n
  • \n
    \u6297\u91cd\u653e\uff1a<\/strong>\u63a5\u6536\u65b9\u62d2\u7edd\u65e7\u7684\u6216\u91cd\u590d\u7684\u6570\u636e\u5305\uff0c\u9632\u6b62\u6076\u610f\u7528\u6237\u901a\u8fc7\u91cd\u590d\u53d1\u9001\u6355\u83b7\u5230\u7684\u6570\u636e\u5305\u6240\u8fdb\u884c\u7684\u653b\u51fb\u3002<\/span><\/p>\n
    \n<\/li>\n<\/ul>\n<\/section>\n
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    IPSec\u534f\u8bae\u4f53\u7cfb<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
    \n
    \n<\/section>\n
    \n
    IPSec\u4e0d\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u534f\u8bae\uff0c\u5b83\u7ed9\u51fa\u4e86IP\u7f51\u7edc\u4e0a\u6570\u636e\u5b89\u5168\u7684\u4e00\u6574\u5957\u4f53\u7cfb\u7ed3\u6784\uff0c\u5305\u62ecAH\uff08Authentication Header\uff09\u3001ESP\uff08Encapsulating Security Payload\uff09\u3001IKE\uff08Internet Key Exchange\uff09\u7b49\u534f\u8bae\u3002<\/span><\/p>\n<\/section>\n
    <\/div><\/p>\n
    \n
    IPSec\u4f7f\u7528\u8ba4\u8bc1\u5934AH\uff08Authentication Header\uff09\u548c\u5c01\u88c5\u5b89\u5168\u8f7d\u8377ESP\uff08Encapsulating Security Payload\uff09<\/strong><\/span>\u4e24\u79cd\u5b89\u5168\u534f\u8bae\u6765\u4f20\u8f93\u548c\u5c01\u88c5\u6570\u636e\uff0c\u63d0\u4f9b\u8ba4\u8bc1\u6216\u52a0\u5bc6\u7b49\u5b89\u5168\u670d\u52a1\u3002<\/span><\/p>\n
    \u25abAH\u548cESP\u534f\u8bae\u63d0\u4f9b\u7684\u5b89\u5168\u529f\u80fd\u4f9d\u8d56\u4e8e\u534f\u8bae\u91c7\u7528\u7684\u9a8c\u8bc1\u3001\u52a0\u5bc6\u7b97\u6cd5\u3002\u00a0<\/span><\/p>\n
    \u25abAH\u4ec5\u652f\u6301\u8ba4\u8bc1\u529f\u80fd\uff0c\u4e0d\u652f\u6301\u52a0\u5bc6\u529f\u80fd\u3002ESP\u652f\u6301\u8ba4\u8bc1\u548c\u52a0\u5bc6\u529f\u80fd\u3002\u00a0<\/span><\/p>\n
    \u25ab\u5b89\u5168\u534f\u8bae\u63d0\u4f9b\u8ba4\u8bc1\u6216\u52a0\u5bc6\u7b49\u5b89\u5168\u670d\u52a1\u9700\u8981\u6709\u79d8\u94a5\u7684\u5b58\u5728\u3002\u00a0<\/span><\/p>\n
    \u79d8\u94a5\u4ea4\u6362\u7684\u65b9\u5f0f\u6709\u4e24\u79cd<\/strong>\uff1a\u00a0<\/span><\/p>\n
    \u25ab\u5e26\u5916\u5171\u4eab\u5bc6\u94a5\uff1a<\/strong>\u5728\u53d1\u9001\u3001\u63a5\u6536\u8bbe\u5907\u4e0a\u624b\u5de5\u914d\u7f6e\u9759\u6001\u7684\u52a0\u5bc6\u3001\u9a8c\u8bc1\u5bc6\u94a5\u3002\u53cc\u65b9\u901a\u8fc7\u5e26\u5916\u5171\u4eab\u7684\u65b9\u5f0f\uff08\u4f8b\u5982\u901a\u8fc7\u7535\u8bdd\u6216\u90ae\u4ef6\u65b9\u5f0f\uff09\u4fdd\u8bc1\u5bc6\u94a5\u4e00\u81f4\u6027\u3002\u8fd9\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u662f\u53ef\u6269\u5c55\u6027\u5dee\uff0c\u5728\u70b9\u5230\u591a\u70b9\u7ec4\u7f51\u4e2d\u914d\u7f6e\u5bc6\u94a5\u7684\u5de5\u4f5c\u91cf\u6210\u500d\u589e\u52a0\u3002\u53e6\u5916\uff0c\u4e3a\u63d0\u5347\u7f51\u7edc\u5b89\u5168\u6027\u9700\u8981\u5468\u671f\u6027\u4fee\u6539\u5bc6\u94a5\uff0c\u8fd9\u79cd\u65b9\u5f0f\u4e0b\u4e5f\u5f88\u96be\u5b9e\u65bd\u3002\u00a0<\/span><\/p>\n
    \u25ab\u901a\u8fc7IKE\u534f\u8bae\u81ea\u52a8\u534f\u5546\u5bc6\u94a5\uff1a<\/strong>IKE\u5efa\u7acb\u5728Internet\u5b89\u5168\u8054\u76df\u548c\u5bc6\u94a5\u7ba1\u7406\u534f\u8baeISAKMP\u5b9a\u4e49\u7684\u6846\u67b6\u4e0a\uff0c\u91c7\u7528DH\uff08Diffie-Hellman\uff09\u7b97\u6cd5\u5728\u4e0d\u5b89\u5168\u7684\u7f51\u7edc\u4e0a\u5b89\u5168\u5730\u5206\u53d1\u5bc6\u94a5\u3002\u8fd9\u79cd\u65b9\u5f0f\u914d\u7f6e\u7b80\u5355\uff0c\u53ef\u6269\u5c55\u6027\u597d\uff0c\u7279\u522b\u662f\u5728\u5927\u578b\u52a8\u6001\u7684\u7f51\u7edc\u73af\u5883\u4e0b\u6b64\u4f18\u70b9\u66f4\u52a0\u7a81\u51fa\u3002\u540c\u65f6\uff0c\u901a\u4fe1\u53cc\u65b9\u901a\u8fc7\u4ea4\u6362\u5bc6\u94a5\u4ea4\u6362\u6750\u6599\u6765\u8ba1\u7b97\u5171\u4eab\u7684\u5bc6\u94a5\uff0c\u5373\u4f7f\u7b2c\u4e09\u65b9\u622a\u83b7\u4e86\u53cc\u65b9\u7528\u4e8e\u8ba1\u7b97\u5bc6\u94a5\u7684\u6240\u6709\u4ea4\u6362\u6570\u636e\uff0c\u4e5f\u65e0\u6cd5\u8ba1\u7b97\u51fa\u771f\u6b63\u7684\u5bc6\u94a5\u3002<\/span><\/p>\n
    \n<\/section>\n
    \n
    \n
    \n
    \n
    IPSec\u57fa\u672c\u539f\u7406<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
    \n
    \n<\/section>\n
    \n
    IPSec\u96a7\u9053\u5efa\u7acb\u8fc7\u7a0b\u4e2d\u9700\u8981\u534f\u5546IPSec SA\uff08Security Association\uff0c\u5b89\u5168\u8054\u76df\uff09\uff0cIPSec SA\u4e00\u822c\u901a\u8fc7IKE\u534f\u5546\u751f\u6210\u3002<\/span><\/p>\n<\/section>\n
    <\/div><\/p>\n
    \n
    SA\u7531\u4e00\u4e2a\u4e09\u5143\u7ec4\u6765\u552f\u4e00\u6807\u8bc6\uff0c\u8fd9\u4e2a\u4e09\u5143\u7ec4\u5305\u62ec\u5b89\u5168\u53c2\u6570\u7d22\u5f15SPI\uff08Security Parameter Index\uff09\u3001\u76ee\u7684IP\u5730\u5740\u548c\u4f7f\u7528\u7684\u5b89\u5168\u534f\u8bae\u53f7\uff08AH\u6216ESP\uff09\u3002<\/strong>\u5176\u4e2d\uff0cSPI\u662f\u4e3a\u552f\u4e00\u6807\u8bc6SA\u800c\u751f\u6210\u7684\u4e00\u4e2a32\u4f4d\u6bd4\u7279\u7684\u6570\u503c\uff0c\u5b83\u5728AH\u548cESP\u5934\u4e2d\u4f20\u8f93\u3002\u5728\u624b\u5de5\u914d\u7f6eSA\u65f6\uff0c\u9700\u8981\u624b\u5de5\u6307\u5b9aSPI\u7684\u53d6\u503c\u3002\u4f7f\u7528IKE\u534f\u5546\u4ea7\u751fSA\u65f6\uff0cSPI\u5c06\u968f\u673a\u751f\u6210\u3002\u00a0<\/span><\/p>\n
    SA\u662f\u5355\u5411\u7684\u903b\u8f91\u8fde\u63a5\uff0c\u56e0\u6b64\u4e24\u4e2aIPSec\u5bf9\u7b49\u4f53\u4e4b\u95f4\u7684\u53cc\u5411\u901a\u4fe1\uff0c\u6700\u5c11\u9700\u8981\u5efa\u7acb\u4e24\u4e2aSA\u6765\u5206\u522b\u5bf9\u4e24\u4e2a\u65b9\u5411\u7684\u6570\u636e\u6d41\u8fdb\u884c\u5b89\u5168\u4fdd\u62a4\u3002\u00a0<\/span><\/p>\n
    KE\u4f5c\u4e3a\u79d8\u94a5\u534f\u5546\u534f\u8bae\uff0c\u5b58\u5728\u4e24\u4e2a\u7248\u672c\uff1aIKEv1\u548cIKEv2\uff0c<\/strong><\/span>\u672c\u8bfe\u7a0b\u91c7\u7528IKEv1\u4e3a\u4f8b\u8fdb\u884c\u4ecb\u7ecd\uff0cIKEv2\u5185\u5bb9\u53ef\u53c2\u8003\u4ea7\u54c1\u6587\u6863\u5bf9\u5e94\u5185\u5bb9\u3002\u00a0<\/span><\/p>\n
    \u25abIKEv1\u534f\u5546\u9636\u6bb51\u7684\u76ee\u7684\u662f\u5efa\u7acbIKE SA\u3002IKE SA\u5efa\u7acb\u540e\u5bf9\u7b49\u4f53\u95f4\u7684\u6240\u6709ISAKMP\u6d88\u606f\u90fd\u5c06\u901a\u8fc7\u52a0\u5bc6\u548c\u9a8c\u8bc1\uff0c\u8fd9\u6761\u5b89\u5168\u901a\u9053\u53ef\u4ee5\u4fdd\u8bc1IKEv1\u7b2c\u4e8c\u9636\u6bb5\u7684\u534f\u5546\u80fd\u591f\u5b89\u5168\u8fdb\u884c\u3002IKE SA\u662f\u4e00\u4e2a\u53cc\u5411\u7684\u903b\u8f91\u8fde\u63a5\uff0c\u4e24\u4e2aIPSec\u5bf9\u7b49\u4f53\u95f4\u53ea\u5efa\u7acb\u4e00\u4e2aIKE SA\u3002\u00a0<\/span><\/p>\n
    \u25abIKEv1\u534f\u5546\u9636\u6bb52\u7684\u76ee\u7684\u5c31\u662f\u5efa\u7acb\u7528\u6765\u5b89\u5168\u4f20\u8f93\u6570\u636e\u7684IPSec SA\uff0c\u5e76\u4e3a\u6570\u636e\u4f20\u8f93\u884d\u751f\u51fa\u5bc6\u94a5\u3002\u8be5\u9636\u6bb5\u4f7f\u7528IKEv1\u534f\u5546\u9636\u6bb51\u4e2d\u751f\u6210\u7684\u5bc6\u94a5\u5bf9ISAKMP\u6d88\u606f\u7684\u5b8c\u6574\u6027\u548c\u8eab\u4efd\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5e76\u5bf9ISAKMP\u6d88\u606f\u8fdb\u884c\u52a0\u5bc6\uff0c\u6545\u4fdd\u8bc1\u4e86\u4ea4\u6362\u7684\u5b89\u5168\u6027\u3002\u00a0<\/span><\/p>\n
    IKE\u534f\u5546\u6210\u529f\u610f\u5473\u7740\u53cc\u5411\u7684IPSec\u96a7\u9053\u5df2\u7ecf\u5efa\u7acb\uff0c\u53ef\u4ee5\u901a\u8fc7ACL\u65b9\u5f0f\u6216\u8005\u5b89\u5168\u6846\u67b6\u65b9\u5f0f\u5b9a\u4e49IPSec\u201c\u611f\u5174\u8da3\u6d41\u201d\uff0c\u7b26\u5408\u611f\u5174\u8da3\u6d41\u6d41\u91cf\u7279\u5f81\u7684\u6570\u636e\u90fd\u5c06\u88ab\u9001\u5165IPSec\u96a7\u9053\u8fdb\u884c\u5904\u7406\u3002\u00a0<\/span><\/p>\n
    \u611f\u5174\u8da3\u6d41\uff1a<\/strong>\u9700\u8981\u88abIPSec\u4fdd\u62a4\u7684\u6570\u636e\u6d41\u3002<\/span><\/p>\n
    \n<\/section>\n
    \n
    \n
    \n
    \n
    GRE\u6982\u8ff0<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
    \n
    \n<\/section>\n
    \n
    \u901a\u7528\u8def\u7531\u5c01\u88c5\u534f\u8bae\uff08General Routing Encapsulation\uff0cGRE\uff09\u662f\u4e00\u79cd\u4e09\u5c42VPN\u5c01\u88c5\u6280\u672f\u3002GRE\u53ef\u4ee5\u5bf9\u67d0\u4e9b\u7f51\u7edc\u5c42\u534f\u8bae\uff08\u5982IPX\u3001IPv4\u3001IPv6\u7b49\uff09\u7684\u62a5\u6587\u8fdb\u884c\u5c01\u88c5\uff0c\u4f7f\u5c01\u88c5\u540e\u7684\u62a5\u6587\u80fd\u591f\u5728\u53e6\u4e00\u79cd\u7f51\u7edc\u4e2d\uff08\u5982IPv4\uff09\u4f20\u8f93\uff0c\u4ece\u800c\u89e3\u51b3\u4e86\u8de8\u8d8a\u5f02\u79cd\u7f51\u7edc\u7684\u62a5\u6587\u4f20\u8f93\u95ee\u9898\u3002<\/span><\/p>\n<\/section>\n
    <\/div><\/p>\n
    \n
    \u5982\u56fe\u6240\u793a\uff0c\u901a\u8fc7\u5728IPv4\u7f51\u7edc\u4e0a\u5efa\u7acbGRE\u96a7\u9053\uff0c\u89e3\u51b3\u4e86\u4e24\u4e2aIPv6\u7f51\u7edc\u7684\u901a\u4fe1\u95ee\u9898\u3002\u00a0<\/span><\/p>\n
    GRE\u8fd8\u5177\u5907\u5c01\u88c5\u7ec4\u64ad\u62a5\u6587\u7684\u80fd\u529b\u3002\u7531\u4e8e\u52a8\u6001\u8def\u7531\u534f\u8bae\u4e2d\u4f1a\u4f7f\u7528\u7ec4\u64ad\u62a5\u6587\uff0c\u56e0\u6b64\u66f4\u591a\u65f6\u5019GRE\u4f1a\u5728\u9700\u8981\u4f20\u9012\u7ec4\u64ad\u8def\u7531\u6570\u636e\u7684\u573a\u666f\u4e2d\u88ab\u7528\u5230\uff0c\u8fd9\u4e5f\u662fGRE\u88ab\u79f0\u4e3a\u901a\u7528\u8def\u7531\u5c01\u88c5\u534f\u8bae\u7684\u539f\u56e0\u3002<\/span><\/p>\n
    \n<\/section>\n
    \n
    \n
    \n
    \n
    GRE\u57fa\u672c\u539f\u7406<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
    \n
    \n<\/section>\n
    \n
    GRE\u6784\u6210\u8981\u7d20\u5206\u4e3a3\u4e2a\u90e8\u5206\uff1a\u4e58\u5ba2\u534f\u8bae\u3001\u5c01\u88c5\u534f\u8bae\u548c\u8fd0\u8f93\u534f\u8bae\u3002\u00a0<\/span><\/span><\/p>\n
    \u25ab\u4e58\u5ba2\u534f\u8bae\u662f\u6307\u7528\u6237\u5728\u4f20\u8f93\u6570\u636e\u65f6\u6240\u4f7f\u7528\u7684\u539f\u59cb\u7f51\u7edc\u534f\u8bae\u3002\u00a0<\/span><\/p>\n
    \u25ab\u5c01\u88c5\u534f\u8bae\u7684\u4f5c\u7528\u5c31\u662f\u7528\u6765\u201c\u5305\u88c5\u201d\u4e58\u5ba2\u534f\u8bae\u5bf9\u5e94\u7684\u62a5\u6587\uff0c\u4f7f\u539f\u59cb\u62a5\u6587\u80fd\u591f\u5728\u65b0\u7684\u7f51\u7edc\u4e2d\u4f20\u8f93\u3002\u00a0<\/span><\/p>\n
    \u25ab\u8fd0\u8f93\u534f\u8bae\u662f\u6307\u88ab\u5c01\u88c5\u4ee5\u540e\u7684\u62a5\u6587\u5728\u65b0\u7f51\u7edc\u4e2d\u4f20\u8f93\u65f6\u6240\u4f7f\u7528\u7684\u7f51\u7edc\u534f\u8bae\u3002<\/span><\/p>\n<\/section>\n
    <\/div><\/p>\n
    \n
    \u96a7\u9053\u63a5\u53e3\uff08Tunnel Interface\uff09\u662f\u4e3a\u5b9e\u73b0\u62a5\u6587\u7684\u5c01\u88c5\u800c\u63d0\u4f9b\u7684\u4e00\u79cd\u70b9\u5bf9\u70b9\u7c7b\u578b\u7684\u865a\u62df\u63a5\u53e3\uff0c\u4e0eLoopback\u63a5\u53e3\u7c7b\u4f3c\uff0c\u90fd\u662f\u4e00\u79cd\u903b\u8f91\u63a5\u53e3\u3002\u00a0<\/span><\/p>\n
    \u5982\u56fe\u6240\u793a\uff0c\u4e58\u5ba2\u534f\u8bae\u4e3aIPv6\uff0c\u5c01\u88c5\u534f\u8bae\u4e3aGRE\uff0c\u8fd0\u8f93\u534f\u8bae\u4e3aIPv4\u3002\u6574\u4f53\u8f6c\u53d1\u6d41\u7a0b\u5982\u4e0b\uff1a\u00a0<\/strong><\/span><\/p>\n
      \n
    1. \n
      \u5f53R1\u6536\u5230IP1\u53d1\u6765\u7684IPv6\u6570\u636e\u5305\uff0c\u67e5\u8be2\u8bbe\u5907\u8def\u7531\u8868\uff0c\u53d1\u73b0\u51fa\u63a5\u53e3\u662f\u96a7\u9053\u63a5\u53e3\uff0c\u5219\u5c06\u6b64\u62a5\u6587\u53d1\u7ed9\u96a7\u9053\u63a5\u53e3\u5904\u7406\u3002<\/span><\/p>\n<\/li>\n
    2. \n
      \u96a7\u9053\u63a5\u53e3\u7ed9\u539f\u59cb\u62a5\u6587\u6dfb\u52a0GRE\u5934\u90e8\uff0c\u7136\u540e\u6839\u636e\u914d\u7f6e\u4fe1\u606f\uff0c\u7ed9\u62a5\u6587\u52a0\u4e0aIP\u5934\u3002\u8be5IP\u5934\u7684\u6e90\u5730\u5740\u5c31\u662f\u96a7\u9053\u6e90\u5730\u5740\uff0cIP\u5934\u7684\u76ee\u7684\u5730\u5740\u5c31\u662f\u96a7\u9053\u76ee\u7684\u5730\u5740\u3002<\/span><\/p>\n<\/li>\n
    3. \n
      \u5c01\u88c5\u540e\u7684\u62a5\u6587\u5728IPv4\u7f51\u7edc\u4e2d\u8fdb\u884c\u666e\u901a\u7684IPv4\u8def\u7531\u8f6c\u53d1\uff0c\u6700\u7ec8\u5230\u8fbe\u76ee\u7684\u5730R2\u3002<\/span><\/p>\n<\/li>\n
    4. \n
      \u89e3\u5c01\u88c5\u8fc7\u7a0b\u548c\u5c01\u88c5\u8fc7\u7a0b\u76f8\u53cd\uff0c\u8fd9\u91cc\u4e0d\u518d\u8d58\u8ff0\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n
      \n<\/section>\n
      \n
      \n
      \n
      \n
      GRE Over IPSec<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
      \n
      \n<\/section>\n
      \n
      GRE\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u4e0d\u652f\u6301\u52a0\u5bc6\u548c\u8ba4\u8bc1\uff0c\u6570\u636e\u7684\u5b89\u5168\u4f20\u8f93\u5f97\u4e0d\u5230\u5f88\u597d\u7684\u4fdd\u969c\u3002\u00a0<\/span><\/p>\n
      IPSec\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u53ea\u652f\u6301IP\u534f\u8bae\uff0c\u4e14\u4e0d\u652f\u6301\u7ec4\u64ad\u3002\u00a0<\/span><\/p>\n
      \u53ef\u901a\u8fc7\u90e8\u7f72GRE Over IPSec\u7ed3\u5408\u4e24\u79cdVPN\u6280\u672f\u7684\u4f18\u70b9\u3002<\/span><\/p>\n<\/section>\n
      <\/div><\/p>\n
      \n
      \n
      \n
      \n
      L2TP\u6982\u8ff0<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
      \n
      \n<\/section>\n
      \n
      L2TP\u662f\u865a\u62df\u79c1\u6709\u62e8\u53f7\u7f51VPDN\uff08Virtual Private Dial-up Network\uff09\u96a7\u9053\u534f\u8bae\u7684\u4e00\u79cd\uff0c\u5b83\u6269\u5c55\u4e86\u70b9\u5230\u70b9\u534f\u8baePPP\u7684\u5e94\u7528\uff0c\u662f\u4e00\u79cd\u5728\u8fdc\u7a0b\u529e\u516c\u573a\u666f\u4e2d\u4e3a\u51fa\u5dee\u5458\u5de5\u6216\u4f01\u4e1a\u5206\u652f\u8fdc\u7a0b\u8bbf\u95ee\u4f01\u4e1a\u5185\u7f51\u8d44\u6e90\u63d0\u4f9b\u63a5\u5165\u670d\u52a1\u7684VPN\u3002\u00a0<\/span><\/p>\n
      L2TP\u7ec4\u7f51\u67b6\u6784\u4e2d\u5305\u62ecLAC\uff08L2TP Access Concentrator\uff0cL2TP\u8bbf\u95ee\u96c6\u4e2d\u5668\uff09\u548cLNS\uff08L2TP Network Server\uff0cL2TP\u7f51\u7edc\u670d\u52a1\u5668\uff09<\/span><\/p>\n<\/section>\n
      \n
      <\/div><\/section>\n<\/section>\n
      \n
      VPDN\u662f\u6307\u5229\u7528\u516c\u5171\u7f51\u7edc\uff08\u5982ISDN\u548cPSTN\uff09\u7684\u62e8\u53f7\u529f\u80fd\u53ca\u63a5\u5165\u7f51\u6765\u5b9e\u73b0\u865a\u62df\u4e13\u7528\u7f51\uff0c\u4e3a\u4f01\u4e1a\u3001\u5c0f\u578bISP\u3001\u79fb\u52a8\u529e\u516c\u4eba\u5458\u63d0\u4f9b\u63a5\u5165\u670d\u52a1\u3002VPDN\u91c7\u7528\u4e13\u7528\u7684\u7f51\u7edc\u52a0\u5bc6\u901a\u4fe1\u534f\u8bae\uff0c\u5728\u516c\u5171\u7f51\u7edc\u4e0a\u4e3a\u4f01\u4e1a\u5efa\u7acb\u5b89\u5168\u7684\u865a\u62df\u4e13\u7f51\u3002\u4f01\u4e1a\u9a7b\u5916\u673a\u6784\u548c\u51fa\u5dee\u4eba\u5458\u53ef\u4ece\u8fdc\u7a0b\u7ecf\u7531\u516c\u5171\u7f51\u7edc\uff0c\u901a\u8fc7\u865a\u62df\u52a0\u5bc6\u96a7\u9053\u5b9e\u73b0\u548c\u4f01\u4e1a\u603b\u90e8\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u800c\u516c\u5171\u7f51\u7edc\u4e0a\u5176\u5b83\u7528\u6237\u5219\u65e0\u6cd5\u7a7f\u8fc7\u865a\u62df\u96a7\u9053\u8bbf\u95ee\u4f01\u4e1a\u7f51\u5185\u90e8\u7684\u8d44\u6e90\u3002VPDN\u96a7\u9053\u534f\u8bae\u6709\u591a\u79cd\uff0c\u76ee\u524d\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u662fL2TP\u3002\u00a0<\/span><\/p>\n
      LAC\u662f\u7f51\u7edc\u4e0a\u5177\u6709PPP\u548cL2TP\u534f\u8bae\u5904\u7406\u80fd\u529b\u7684\u8bbe\u5907\u3002LAC\u8d1f\u8d23\u548cLNS\u5efa\u7acbL2TP\u96a7\u9053\u8fde\u63a5\u3002\u5728\u4e0d\u540c\u7684\u7ec4\u7f51\u73af\u5883\u4e2d\uff0cLAC\u53ef\u4ee5\u662f\u4e0d\u540c\u7684\u8bbe\u5907\uff0c\u53ef\u4ee5\u662f\u4e00\u53f0\u7f51\u5173\u8bbe\u5907\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u53f0\u7ec8\u7aef\u8bbe\u5907\u3002LAC\u53ef\u4ee5\u53d1\u8d77\u5efa\u7acb\u591a\u6761L2TP\u96a7\u9053\u4f7f\u6570\u636e\u6d41\u4e4b\u95f4\u76f8\u4e92\u9694\u79bb\u3002\u00a0<\/span><\/p>\n
      LNS\u662fLAC\u7684\u5bf9\u7aef\u8bbe\u5907\uff0c\u5373LAC\u548cLNS\u5efa\u7acb\u4e86L2TP\u96a7\u9053\uff1bLNS\u4f4d\u4e8e\u4f01\u4e1a\u603b\u90e8\u79c1\u7f51\u4e0e\u516c\u7f51\u8fb9\u754c\uff0c\u901a\u5e38\u662f\u4f01\u4e1a\u603b\u90e8\u7684\u7f51\u5173\u8bbe\u5907\u3002<\/span><\/p>\n<\/section>\n
      \n
      \n
      \n
      \n
      L2TP\u6d88\u606f<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
      \n
      \n<\/section>\n
      \n
      L2TP\u534f\u8bae\u5305\u542b\u4e24\u79cd\u7c7b\u578b\u7684\u6d88\u606f\uff0c\u63a7\u5236\u6d88\u606f\u548c\u6570\u636e\u6d88\u606f\uff0c\u6d88\u606f\u7684\u4f20\u8f93\u5728LAC\u548cLNS\u4e4b\u95f4\u8fdb\u884c\u3002<\/span><\/p>\n
      \u25ab\u63a7\u5236\u6d88\u606f\u7528\u4e8eL2TP\u96a7\u9053\u548c\u4f1a\u8bdd\u8fde\u63a5\u7684\u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u62c6\u9664\u3002\u00a0<\/span><\/p>\n
      \u25ab\u6570\u636e\u6d88\u606f\u7528\u4e8e\u5c01\u88c5PPP\u6570\u636e\u5e27\u5e76\u5728\u96a7\u9053\u4e0a\u4f20\u8f93\u3002<\/span><\/p>\n<\/section>\n
      <\/div><\/p>\n
      \n
      \u63a7\u5236\u6d88\u606f\u00a0<\/strong><\/span><\/p>\n
      \u25ab\u7528\u4e8eL2TP\u96a7\u9053\u548c\u4f1a\u8bdd\u8fde\u63a5\u7684\u5efa\u7acb\u3001\u7ef4\u62a4\u548c\u62c6\u9664\u3002\u5728\u63a7\u5236\u6d88\u606f\u7684\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528\u6d88\u606f\u4e22\u5931\u91cd\u4f20\u548c\u5b9a\u65f6\u68c0\u6d4b\u96a7\u9053\u8fde\u901a\u6027\u7b49\u673a\u5236\u6765\u4fdd\u8bc1\u63a7\u5236\u6d88\u606f\u4f20\u8f93\u7684\u53ef\u9760\u6027\uff0c\u652f\u6301\u5bf9\u63a7\u5236\u6d88\u606f\u7684\u6d41\u91cf\u63a7\u5236\u548c\u62e5\u585e\u63a7\u5236\u3002\u00a0<\/span><\/p>\n
      \u25ab\u63a7\u5236\u6d88\u606f\u627f\u8f7d\u5728L2TP\u63a7\u5236\u901a\u9053\u4e0a\uff0c\u63a7\u5236\u901a\u9053\u5b9e\u73b0\u4e86\u63a7\u5236\u6d88\u606f\u7684\u53ef\u9760\u4f20\u8f93\uff0c\u5c06\u63a7\u5236\u6d88\u606f\u5c01\u88c5\u5728L2TP\u62a5\u5934\u5185\uff0c\u518d\u7ecf\u8fc7IP\u7f51\u7edc\u4f20\u8f93\u3002\u00a0<\/span><\/p>\n
      \u6570\u636e\u6d88\u606f\u00a0<\/strong><\/span><\/p>\n
      \u25ab\u7528\u4e8e\u5c01\u88c5PPP\u6570\u636e\u5e27\u5e76\u5728\u96a7\u9053\u4e0a\u4f20\u8f93\u3002\u6570\u636e\u6d88\u606f\u662f\u4e0d\u53ef\u9760\u7684\u4f20\u8f93\uff0c\u4e0d\u91cd\u4f20\u4e22\u5931\u7684\u6570\u636e\u62a5\u6587\uff0c\u4e0d\u652f\u6301\u5bf9\u6570\u636e\u6d88\u606f\u7684\u6d41\u91cf\u63a7\u5236\u548c\u62e5\u585e\u63a7\u5236\u3002\u00a0<\/span><\/p>\n
      \u25ab\u6570\u636e\u6d88\u606f\u643a\u5e26PPP\u5e27\u627f\u8f7d\u5728\u4e0d\u53ef\u9760\u7684\u6570\u636e\u901a\u9053\u4e0a\uff0c\u5bf9PPP\u5e27\u8fdb\u884cL2TP\u5c01\u88c5\uff0c\u518d\u7ecf\u8fc7IP\u7f51\u7edc\u4f20\u8f93\u3002<\/span><\/p>\n
      \n<\/section>\n
      \n
      \n
      \n
      \n
      L2TP\u5de5\u4f5c\u8fc7\u7a0b<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
      \n
      \n<\/section>\n
      \n
      L2TP\u4e3b\u8981\u53ef\u5206\u4e3a\u4ee5\u4e0b\u4e09\u79cd\u5de5\u4f5c\u573a\u666f\uff0c\u5176\u5de5\u4f5c\u8fc7\u7a0b\u5e76\u4e0d\u76f8\u540c\uff1a<\/span><\/p>\n
      \u25abNAS-Initiated\u573a\u666f\uff1a<\/strong>\u62e8\u53f7\u7528\u6237\u901a\u8fc7NAS\u8bbf\u95ee\u4f01\u4e1a\u5185\u7f51\u00a0\u25abClient-Initiated\u573a\u666f\uff1a<\/strong>\u79fb\u52a8\u529e\u516c\u7528\u6237\u8bbf\u95ee\u4f01\u4e1a\u5185\u7f51\u00a0\u25abCall-LNS\u573a\u666f\uff1a<\/strong>\u901a\u8fc7LAC\u81ea\u4e3b\u62e8\u53f7\u5b9e\u73b0\u4f01\u4e1a\u5185\u7f51\u4e92\u8fde<\/span><\/p>\n<\/section>\n
      <\/div><\/p>\n
      \n
      NAS-Initiated\u573a\u666f\uff1a<\/strong><\/span>\u7531\u8fdc\u7a0b\u62e8\u53f7\u7528\u6237\u53d1\u8d77\uff0c\u8fdc\u7a0b\u7cfb\u7edf\u901a\u8fc7PSTN\/ISDN\u62e8\u5165LAC\uff0c\u7531LAC\u901a\u8fc7Internet\u5411LNS\u53d1\u8d77\u5efa\u7acb\u96a7\u9053\u8fde\u63a5\u8bf7\u6c42\u3002\u62e8\u53f7\u7528\u6237\u5730\u5740\u7531LNS\u5206\u914d\uff1b\u5bf9\u8fdc\u7a0b\u62e8\u53f7\u7528\u6237\u7684\u9a8c\u8bc1\u4e0e\u8ba1\u8d39\u65e2\u53ef\u7531LAC\u4fa7\u7684\u4ee3\u7406\u5b8c\u6210\uff0c\u4e5f\u53ef\u5728LNS\u5b8c\u6210\u3002\u00a0<\/span><\/p>\n
      \u25ab\u7528\u6237\u5fc5\u987b\u91c7\u7528PPP\u7684\u65b9\u5f0f\u63a5\u5165\u5230Internet\uff0c\u4e5f\u53ef\u4ee5\u662fPPPoE\u7b49\u534f\u8bae\u3002\u00a0<\/span><\/p>\n
      \u25ab\u8fd0\u8425\u5546\u7684\u63a5\u5165\u8bbe\u5907\uff08\u4e3b\u8981\u662fBAS\u8bbe\u5907\uff09\u9700\u8981\u5f00\u901a\u76f8\u5e94\u7684VPN\u670d\u52a1\u3002\u7528\u6237\u9700\u8981\u5230\u8fd0\u8425\u5546\u5904\u7533\u8bf7\u8be5\u4e1a\u52a1\u3002\u00a0<\/span><\/p>\n
      \u25abL2TP\u96a7\u9053\u4e24\u7aef\u5206\u522b\u9a7b\u7559\u5728LAC\u4fa7\u548cLNS\u4fa7\uff0c\u4e14\u4e00\u4e2aL2TP\u96a7\u9053\u53ef\u4ee5\u627f\u8f7d\u591a\u4e2a\u4f1a\u8bdd\u3002\u00a0
      <\/span><\/p>\n
      Client-Initialized\u573a\u666f\uff1a<\/span><\/strong>\u76f4\u63a5\u7531LAC\u5ba2\u6237\uff08\u6307\u53ef\u5728\u672c\u5730\u652f\u6301L2TP\u534f\u8bae\u7684\u7528\u6237\uff09\u53d1\u8d77\u3002\u5ba2\u6237\u9700\u8981\u77e5\u9053LNS\u7684IP\u5730\u5740\u3002LAC\u5ba2\u6237\u53ef\u76f4\u63a5\u5411LNS\u53d1\u8d77\u96a7\u9053\u8fde\u63a5\u8bf7\u6c42\uff0c\u65e0\u9700\u518d\u7ecf\u8fc7\u4e00\u4e2a\u5355\u72ec\u7684LAC\u8bbe\u5907\u3002\u5728LNS\u8bbe\u5907\u4e0a\u6536\u5230\u4e86LAC\u5ba2\u6237\u7684\u8bf7\u6c42\u4e4b\u540e\uff0c\u6839\u636e\u7528\u6237\u540d\u3001\u5bc6\u7801\u8fdb\u884c\u9a8c\u8bc1\uff0c\u5e76\u4e14\u7ed9LAC\u5ba2\u6237\u5206\u914d\u79c1\u6709IP\u5730\u5740\u3002\u00a0<\/span><\/p>\n
      \u25ab\u7528\u6237\u9700\u8981\u5b89\u88c5L2TP\u7684\u62d4\u53f7\u8f6f\u4ef6\u3002\u90e8\u5206\u64cd\u4f5c\u7cfb\u7edf\u81ea\u5e26L2TP\u5ba2\u6237\u7aef\u8f6f\u4ef6\u3002\u00a0<\/span><\/p>\n
      \u25ab\u7528\u6237\u4e0a\u7f51\u7684\u65b9\u5f0f\u548c\u5730\u70b9\u6ca1\u6709\u9650\u5236\uff0c\u4e0d\u9700ISP\u4ecb\u5165\u3002\u25abL2TP\u96a7\u9053\u4e24\u7aef\u5206\u522b\u9a7b\u7559\u5728\u7528\u6237\u4fa7\u548cLNS\u4fa7\uff0c\u4e00\u4e2aL2TP\u96a7\u9053\u627f\u8f7d\u4e00\u4e2aL2TP\u4f1a\u8bdd\u3002\u00a0<\/span><\/p>\n
      \u25ab\u8be5\u573a\u666f\u5efa\u7acb\u8fc7\u7a0b\u5982\u4e0b\uff1a\u00a0<\/span><\/p>\n
        \n
      1. \n
        \u79fb\u52a8\u529e\u516c\u7528\u6237\u4e0eLNS\u5efa\u7acbL2TP\u96a7\u9053\u3002<\/span><\/p>\n<\/li>\n
      2. \n
        \u79fb\u52a8\u529e\u516c\u7528\u6237\u4e0eLNS\u5efa\u7acbL2TP\u4f1a\u8bdd\uff1a\u79fb\u52a8\u529e\u516c\u7528\u6237\u5728\u7b2c3\u6b65\u4f1a\u4e0eLNS\u95f4\u5efa\u7acbPPP\u8fde\u63a5\uff0cL2TP\u4f1a\u8bdd\u7528\u6765\u8bb0\u5f55\u548c\u7ba1\u7406\u5b83\u4eec\u4e4b\u95f4\u7684PPP\u8fde\u63a5\u72b6\u6001\u3002\u56e0\u6b64\uff0c\u5728\u5efa\u7acbPPP\u8fde\u63a5\u4ee5\u524d\uff0c\u96a7\u9053\u53cc\u65b9\u9700\u8981\u4e3aPPP\u8fde\u63a5\u9884\u5148\u534f\u5546\u51fa\u4e00\u4e2aL2TP\u4f1a\u8bdd\u3002\u4f1a\u8bdd\u4e2d\u643a\u5e26\u4e86\u79fb\u52a8\u529e\u516c\u7528\u6237\u7684LCP\u534f\u5546\u4fe1\u606f\u548c\u7528\u6237\u8ba4\u8bc1\u4fe1\u606f\uff0cLNS\u5bf9\u6536\u5230\u7684\u4fe1\u606f\u8ba4\u8bc1\u901a\u8fc7\u540e\uff0c\u901a\u77e5\u79fb\u52a8\u529e\u516c\u7528\u6237\u4f1a\u8bdd\u5efa\u7acb\u6210\u529f\u3002L2TP\u4f1a\u8bdd\u8fde\u63a5\u7531\u4f1a\u8bddID\u8fdb\u884c\u6807\u8bc6\u3002<\/span><\/p>\n<\/li>\n
      3. \n
        \u79fb\u52a8\u529e\u516c\u7528\u6237\u4e0eLNS\u5efa\u7acbPPP\u8fde\u63a5\u3002\u79fb\u52a8\u529e\u516c\u7528\u6237\u901a\u8fc7\u4e0eLNS\u5efa\u7acbPPP\u8fde\u63a5\u83b7\u53d6LNS\u5206\u914d\u7684\u4f01\u4e1a\u5185\u7f51IP\u5730\u5740\u3002<\/span><\/p>\n<\/li>\n
      4. \n
        \u79fb\u52a8\u529e\u516c\u7528\u6237\u53d1\u9001\u4e1a\u52a1\u62a5\u6587\u8bbf\u95ee\u4f01\u4e1a\u603b\u90e8\u670d\u52a1\u5668<\/span><\/p>\n<\/li>\n<\/ol>\n<\/section>\n
        \n
        Call-LNS\u573a\u666f\uff1a<\/strong><\/span>L2TP\u9664\u4e86\u53ef\u4ee5\u4e3a\u51fa\u5dee\u5458\u5de5\u63d0\u4f9b\u8fdc\u7a0b\u63a5\u5165\u670d\u52a1\u4ee5\u5916\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u4f01\u4e1a\u5206\u652f\u4e0e\u603b\u90e8\u7684\u5185\u7f51\u4e92\u8054\uff0c\u5b9e\u73b0\u5206\u652f\u7528\u6237\u4e0e\u603b\u90e8\u7528\u6237\u7684\u4e92\u8bbf\u3002\u4e00\u822c\u662f\u7531\u5206\u652f\u8def\u7531\u5668\u5145\u5f53LAC\u4e0eLNS\u5efa\u7acbL2TP\u96a7\u9053\uff0c\u8fd9\u6837\u5c31\u53ef\u5b9e\u73b0\u5206\u652f\u4e0e\u603b\u90e8\u7f51\u7edc\u4e4b\u95f4\u7684\u6570\u636e\u901a\u8fc7L2TP\u96a7\u9053\u4e92\u901a\u3002<\/span><\/p>\n
        \n<\/section>\n
        \n
        \n
        \n
        \n
        L2TP Over IPSec<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
        \n
        \n<\/section>\n
        \n
        \u5f53\u4f01\u4e1a\u5bf9\u6570\u636e\u548c\u7f51\u7edc\u7684\u5b89\u5168\u6027\u8981\u6c42\u8f83\u9ad8\u65f6\uff0cL2TP\u65e0\u6cd5\u4e3a\u62a5\u6587\u4f20\u8f93\u63d0\u4f9b\u8db3\u591f\u7684\u4fdd\u62a4\u3002\u8fd9\u65f6\u53ef\u4ee5\u548cIPSec\u529f\u80fd\u7ed3\u5408\u4f7f\u7528\uff0c\u4fdd\u62a4\u4f20\u8f93\u7684\u6570\u636e\uff0c\u6709\u6548\u907f\u514d\u6570\u636e\u88ab\u622a\u53d6\u6216\u653b\u51fb\u3002<\/span><\/p>\n<\/section>\n
        <\/div><\/p>\n
        \n
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        \n<\/section>\n
        \n
        \n
        \n
        \n
        MPLS VPN\u6982\u8ff0<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
        \n
        \n<\/section>\n
        \n
        MPLS\u662f\u4e00\u79cd\u5229\u7528\u6807\u7b7e\uff08Label\uff09\u8fdb\u884c\u8f6c\u53d1\u7684\u6280\u672f\uff0c\u6700\u521d\u4e3a\u4e86\u63d0\u9ad8IP\u62a5\u6587\u8f6c\u53d1\u901f\u7387\u800c\u88ab\u63d0\u51fa\uff0c\u73b0\u4e3b\u8981\u5e94\u7528\u4e8eVPN\u548c\u6d41\u91cf\u5de5\u7a0b\u3001QoS\u7b49\u573a\u666f\u3002\u00a0\u00a0<\/span><\/p>\n
        \u6839\u636e\u90e8\u7f72\u7684\u4e0d\u540c\uff0cMPLS VPN\u53ef\u5206\u4e3aMPLS L2 VPN\u6216\u8005MPLS L3 VPN\u3002\u00a0<\/span><\/p>\n
        \u4f01\u4e1a\u53ef\u4ee5\u81ea\u5efaMPLS\u4e13\u7f51\u4e5f\u53ef\u4ee5\u901a\u8fc7\u79df\u7528\u8fd0\u8425\u5546MPLS\u4e13\u7f51\u7684\u65b9\u5f0f\u83b7\u5f97MPLS VPN\u63a5\u5165\u670d\u52a1\u3002<\/span><\/p>\n<\/section>\n
        <\/div><\/p>\n
        \n
        MPLS VPN\u7f51\u7edc\u4e00\u822c\u7531\u8fd0\u8425\u5546\u642d\u5efa\uff0cVPN\u7528\u6237\u8d2d\u4e70VPN\u670d\u52a1\u6765\u5b9e\u73b0\u7528\u6237\u7f51\u7edc\u4e4b\u95f4\uff08\u56fe\u4e2d\u7684\u5206\u516c\u53f8\u548c\u603b\u516c\u53f8\uff09\u7684\u8def\u7531\u4f20\u9012\u3001\u6570\u636e\u4e92\u901a\u7b49\u3002\u00a0<\/span><\/p>\n
        \u57fa\u672c\u7684MPLS VPN\u7f51\u7edc\u67b6\u6784\u7531CE\uff08Customer Edge\uff09\u3001PE\uff08Provider Edge\uff09\u548cP\uff08Provider\uff09\u4e09\u90e8\u5206\u7ec4\u6210\uff1a\u00a0<\/strong><\/span><\/p>\n
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        \u25abPE\uff1a<\/strong>\u8fd0\u8425\u5546\u8fb9\u7f18\u8def\u7531\u5668\uff0c\u662f\u8fd0\u8425\u5546\u7f51\u7edc\u7684\u8fb9\u7f18\u8bbe\u5907\uff0c\u4e0eCE\u76f4\u63a5\u76f8\u8fde\u3002\u5728MPLS\u7f51\u7edc\u4e2d\uff0c\u5bf9VPN\u7684\u6240\u6709\u5904\u7406\u90fd\u53d1\u751f\u5728PE\u4e0a\uff0c\u5bf9PE\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u3002\u00a0<\/span><\/p>\n
        \u25abP\uff1a<\/strong>\u8fd0\u8425\u5546\u7f51\u7edc\u4e2d\u7684\u9aa8\u5e72\u8def\u7531\u5668\uff0c\u4e0d\u4e0eCE\u76f4\u63a5\u76f8\u8fde\u3002P\u8bbe\u5907\u53ea\u9700\u8981\u5177\u5907\u57fa\u672cMPLS\u8f6c\u53d1\u80fd\u529b\uff0c\u4e0d\u7ef4\u62a4VPN\u76f8\u5173\u4fe1\u606f\u3002\u00a0<\/span><\/p>\n
        \u66f4\u591aMPLS\u53caMPLS VPN\u7684\u76f8\u5173\u5185\u5bb9\uff0c\u53c2\u8003HCIP-Datacom-Advance\u76f8\u5e94\u8bfe\u7a0b\u3002<\/span><\/p>\n<\/section>\n
        \n
        \n<\/section>\n
        \n
        \n
        \n
        \n
        \u5c0f\u603b\u7ed3<\/strong><\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
        \n
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