{"id":6423,"date":"2022-03-01T22:16:39","date_gmt":"2022-03-02T06:16:39","guid":{"rendered":"https:\/\/www.xh86.me\/?p=6423"},"modified":"2022-03-01T22:16:39","modified_gmt":"2022-03-02T06:16:39","slug":"%e8%b7%af%e7%94%b1%e9%85%8d%e7%bd%ae%e4%b8%8e%e7%ae%a1%e7%90%86-%e9%9d%99%e6%80%81%e8%b7%af%e7%94%b1%e9%85%8d%e7%bd%ae%e4%b8%8e%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=6423","title":{"rendered":"\u8def\u7531\u914d\u7f6e\u4e0e\u7ba1\u7406\u2014\u2014\u9759\u6001\u8def\u7531\u914d\u7f6e\u4e0e\u7ba1\u7406"},"content":{"rendered":"
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\u9759\u6001\u8def\u7531\u662f\u4e00\u79cd\u6700\u7b80\u5355\u7684\u8def\u7531\uff0c\u9700\u624b\u5de5\u914d\u7f6e\uff0c\u7528\u4e00\u6761\u6307\u4ee4\u6307\u5b9a\u9759\u6001\u8def\u7531\u7684\u76ee\u7684IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u4e0b\u4e00\u8df3IP\u5730\u5740\uff0c\u6216\u8005\u51fa\u63a5\u53e3\u3001\u4f18\u5148\u7ea7\u7b49\u4e3b\u8981\u53c2\u6570\u503c\u5c31\u53ef\u4ee5\u4e86\u3002\u8fd8\u53ef\u6839\u636e\u5b9e\u9645\u9700\u8981\u914d\u7f6e\u9759\u6001\u8def\u7531\u4e0eBFD\u6216\u8005NQA\u7684\u8054\u52a8\u3002<\/span><\/p>\n<\/section>\n

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\n<\/section>\n

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\u8def\u7531\u57fa\u7840<\/strong><\/p>\n<\/section>\n<\/section>\n

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\u201c\u8def\u7531\u201d\u7b80\u5355\u8bf4\u5c31\u662f\u62a5\u6587\u4ece\u6e90\u7aef\u5230\u76ee\u7684\u7aef\u7684\u6574\u6761\u4f20\u8f93\u8def\u5f84\u3002\u5f53\u62a5\u6587\u4ece\u8def\u7531\u5668\u5230\u76ee\u7684\u7f51\u6bb5\u6709\u591a\u6761\u8def\u7531\u53ef\u8fbe\u65f6\uff0c\u8def\u7531\u5668\u53ef\u4ee5\u6839\u636e\u8def\u7531\u8868\u4e2d\u6700\u4f73\u8def\u7531\u8fdb\u884c\u8f6c\u53d1\u3002\u6700\u4f73\u8def\u7531\u7684\u9009\u53d6\u4e0e\u53d1\u73b0\u6b64\u8def\u7531\u7684\u8def\u7531\u534f\u8bae\u7684\u4f18\u5148\u7ea7\u3001\u6240\u914d\u7f6e\u7684\u8def\u7531\u5ea6\u91cf\u6709\u5173\u3002\u5f53\u591a\u6761\u8def\u7531\u7684\u534f\u8bae\u4f18\u5148\u7ea7\u4e0e\u8def\u7531\u5ea6\u91cf\u90fd\u6709\u5173\u7cfb\u65f6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5206\u62c5\uff1b\u5f53\u591a\u6761\u8def\u7531\u7684\u534f\u8bae\u4f18\u5148\u7ea7\u4e0e\u8def\u7531\u5ea6\u91cf\u4e0d\u540c\u65f6\uff0c\u53ef\u4ee5\u6784\u6210\u8def\u7531\u5907\u4efd\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u53ef\u9760\u6027\u3002<\/p>\n

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1. \u8def\u7531\u7684\u5206\u7c7b<\/strong><\/span><\/p>\n

\u6839\u636e\u8def\u7531\u7684\u6765\u6e90\u4e0d\u540c\uff0c\u53ef\u628a\u8def\u7531\u5206\u4e3a\u4ee5\u4e0b\u4e09\u5927\u7c7b\uff1a<\/span><\/p>\n

\u2460 \u901a\u8fc7\u94fe\u8def\u5c42\u534f\u8bae\u53d1\u73b0\u7684\u8def\u7531\u79f0\u4e3a\u76f4\u8fde\u8def\u7531\uff08Direct\uff09\uff0c\u4e0d\u9700\u8981\u914d\u7f6e\u3002<\/p>\n

\u2461 \u901a\u8fc7\u7f51\u7edc\u7ba1\u7406\u5458\u624b\u52a8\u914d\u7f6e\u7684\u8def\u7531\u79f0\u4e3a\u9759\u6001\u8def\u7531\uff08Static\uff09\u3002<\/p>\n

\u2462 \u901a\u8fc7\u52a8\u6001\u8def\u7531\u534f\u8bae\u53d1\u73b0\u7684\u8def\u7531\u79f0\u4e3a\u52a8\u6001\u8def\u7531\uff08\u5206\u4e3aRIP\u3001OSPF\u3001IS-IS\u3001BGP\u7b49\u591a\u79cd\uff09<\/p>\n

\n

\u201c\u9759\u6001\u8def\u7531\u201d\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u8def\u7531\uff0c\u56e0\u4e3a\u5b83\u6ca1\u6709\u81ea\u5df1\u7684\u8def\u7531\u7b97\u6cd5\uff0c\u4e0d\u80fd\u81ea\u52a8\u751f\u6210\uff0c\u7eaf\u7cb9\u9760\u7ba1\u7406\u5458\u4e3a\u5b83\u4eec\u4e00\u7ea7\u7ea7\u6307\u660e\u4e0b\u4e00\u8df3\u8def\u5f84\uff0c\u6240\u4ee5\u9759\u6001\u8def\u7531\u7684\u8fd0\u884c\u548c\u7ef4\u62a4\u6bd4\u8f83\u7b80\u5355\uff0c\u9002\u7528\u62d3\u6251\u7ed3\u6784\u7b80\u5355\u4e14\u7a33\u5b9a\u7684\u5c0f\u578b\u7f51\u7edc\uff0c\u6216\u4e2d\u5927\u578b\u7f51\u7edc\u4e2d\u52a8\u6001\u8def\u7531\u7684\u8865\u5145\u3002\u7f3a\u70b9\u662f\u4e0d\u80fd\u81ea\u52a8\u9002\u5e94\u7f51\u7edc\u62d3\u6251\u7684\u53d8\u5316\uff08\u4e0d\u5177\u6709\u4e3b\u52a8\u7f51\u7edc\u6536\u655b\u529f\u80fd\uff09\u3002<\/p>\n

\n

\u201c\u52a8\u6001\u8def\u7531\u201d\u6709\u81ea\u5df1\u7684\u8def\u7531\u7b97\u6cd5\uff0c\u80fd\u591f\u6839\u636e\u7528\u6237\u914d\u7f6e\u81ea\u52a8\u751f\u6210\u5bf9\u5e94\u7684\u52a8\u6001\u8def\u7531\u8868\u9879\uff0c\u4e14\u80fd\u591f\u4e3b\u52a8\u9002\u5e94\u7f51\u7edc\u62d3\u6251\u7684\u53d8\u5316\uff0c\u66f4\u9002\u7528\u4e8e\u5177\u6709\u4e00\u5b9a\u6570\u91cf\u4e09\u5c42\u8bbe\u5907\u7684\u7f51\u7edc\u3002<\/p>\n

\n

\u6839\u636e\u91c7\u7528\u7684\u4e0d\u540c\u8def\u7531\u7b97\u6cd5\uff0c\u52a8\u6001\u8def\u7531\u534f\u8bae\u53c8\u6709RIP\uff08Routing Information Protocol\uff0c\u8def\u7531\u4fe1\u606f\u534f\u8bae\uff09\u3001OSPF\uff08OpenShortest Path First\uff0c\u5f00\u653e\u6700\u77ed\u8def\u5f84\u4f18\u5148\uff09\u3001IS-IS\uff08Intermedia System-Intermedia System\uff0c\u4e2d\u95f4\u7cfb\u7edf\u5230\u4e2d\u95f4\u7cfb\u7edf\uff09\u548cBGP\uff08BorderGateway Protocol\uff0c\u8fb9\u754c\u7f51\u5173\u534f\u8bae\uff09\u3002<\/p>\n

\n

\u6839\u636e\u4f5c\u7528\u8303\u56f4\u4e0d\u540c\uff0c\u8fd9\u4e9b\u52a8\u6001\u8def\u7531\u534f\u8bae\u53ef\u5206\u4e3a\u4ee5\u4e0b\u4e24\u79cd\uff1a<\/span><\/p>\n

\u2460 IGP\uff08InteriorGateway Protocol\uff0c\u5185\u90e8\u7f51\u5173\u534f\u8bae\uff09\uff1a\u5728\u4e00\u4e2a\u81ea\u6cbb\u7cfb\u7edf\u5185\u90e8\u8fd0\u884c\u3002\u5e38\u89c1\u7684IGP\u5305\u62ecRIP\u3001OSPF\u548cIS-IS<\/p>\n

\u2461 EGP\uff08Exterior GatewayProtocol\uff0c\u5916\u90e8\u7f51\u5173\u534f\u8bae\uff09\uff1a\u8fd0\u884c\u4e8e\u4e0d\u540c\u81ea\u6cbb\u7cfb\u7edf\u4e4b\u95f4\uff0c\u76ee\u524d\u5e38\u89c1\u7684EGP\u5c31\u662fBGP\u3002<\/p>\n

\n

\u6839\u636e\u4f7f\u7528\u7684\u8def\u7531\u7b97\u6cd5\u4e0d\u540c\uff0c\u52a8\u6001\u8def\u7531\u534f\u8bae\u53c8\u53ef\u5206\u4e3a\u4ee5\u4e0b\u4e24\u79cd\uff1a<\/span><\/p>\n

\u2460 \u8ddd\u79bb\u77e2\u91cf\u534f\u8bae\uff08Distance-VectorProtocol\uff09\uff1a\u5305\u62ecRIP\u548cBGP\uff0cBGP\u4e5f\u88ab\u79f0\u4e3a\u8def\u5f84\u77e2\u91cf\u534f\u8bae\uff08Path-Vector Protocol\uff09\u3002<\/p>\n

\u2461 \u94fe\u8def\u72b6\u6001\u534f\u8bae\uff08Link-StateProtocol\uff09\uff1a\u5305\u62ecOSPF\u548cIS-IS\u3002<\/p>\n

\n

\u5f53\u7f51\u7edc\u89c4\u6a21\u6bd4\u8f83\u5927\uff0c\u4f7f\u7528\u591a\u79cd\u8def\u7531\u534f\u8bae\u65f6\uff0c\u4e0d\u540c\u7684\u8def\u7531\u534f\u8bae\u95f4\u901a\u5e38\u9700\u8981\u53d1\u5e03\u5176\u4ed6\u8def\u7531\u534f\u8bae\u53d1\u73b0\u7684\u8def\u7531\uff0c\u5404\u52a8\u6001\u8def\u7531\u534f\u8bae\u90fd\u53ef\u4ee5\u5f15\u5165\u5176\u4ed6\u8def\u7531\u534f\u8bae\u7684\u8def\u7531\uff0c\u5305\u62ec\u76f4\u8fde\u8def\u7531\u548c\u9759\u6001\u8def\u7531\uff0c\u4f46\u76f4\u8fde\u8def\u7531\u548c\u9759\u6001\u8def\u7531\u4e0d\u80fd\u5f15\u5165\u5176\u4ed6\u7c7b\u578b\u7684\u8def\u7531\u3002<\/p>\n

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2. \u8def\u7531\u8868\u548cFIB\u8868<\/strong><\/span><\/p>\n

\u8def\u7531\u5668\u5728\u8fdb\u884c\u62a5\u6587\u8f6c\u53d1\u8fc7\u7a0b\u4e2d\u8981\u4f9d\u636e\u4e24\u79cd\u201c\u8868\u201d\u2014\u2014\u8def\u7531\u8868\uff08RoutingTable\uff09\u548cFIB\uff08Forwarding Information Base\uff0c\u8f6c\u53d1\u4fe1\u606f\u5e93\uff09\u8868\u3002\u8def\u7531\u5668\u901a\u8fc7\u8def\u7531\u8868\u9009\u62e9\u7528\u4e8e\u62a5\u6587\u8f6c\u53d1\u7684\u8def\u7531\uff0c\u7136\u540e\u901a\u8fc7FIB\u8868\u4e2d\u5bf9\u5e94\u8f6c\u53d1\u8868\u9879\u6307\u5bfc\u62a5\u6587\u7684\u8f6c\u53d1\u3002<\/p>\n

\n

\u8def\u7531\u8868\uff1a\u6bcf\u53f0\u8fd0\u884c\u52a8\u6001\u8def\u7531\u534f\u8bae\u7684\u8def\u7531\u5668\u4e2d\u90fd\u81f3\u5c11\u6709\u4e24\u5f20\u201c\u8def\u7531\u8868\u201d\uff0c\u4e00\u5f20\u662f\u4fdd\u5b58\u4e86\u6240\u6709\u6700\u4f73\u8def\u7531\u8868\u9879\u7684\u672c\u5730\u6838\u5fc3\u8def\u7531\u8868\uff08\u5373\u901a\u5e38\u8bf4\u7684IP\u8def\u7531\u8868\uff09\uff0c\u53e6\u4e00\u5f20\u5219\u662f\u4fdd\u5b58\u5bf9\u5e94\u8def\u7531\u534f\u8bae\u8def\u7531\u8868\u9879\u7684\u534f\u8bae\u8def\u7531\u8868\uff0c\u5982RIP\u8def\u7531\u8868\u3001BGP\u8def\u7531\u8868\u7b49\u3002<\/p>\n

\n

\u672c\u5730\u6838\u5fc3\u8def\u7531\u8868<\/span><\/p>\n

\u201c\u672c\u5730\u6838\u5fc3\u8def\u7531\u8868\u201d\u7528\u6765\u4fdd\u5b58\u672c\u5730\u8def\u7531\u5668\u5230\u8fbe\u7f51\u7edc\u4e2d\u5404\u76ee\u7684\u5730\u7684\u5f53\u524d\u5404\u79cd\u6700\u4f73\uff08\u4f9d\u636e\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u7684\u5404\u79cd\u534f\u8bae\u8def\u7531\u7684\u4f18\u5148\u7ea7\u548c\u5ea6\u91cf\u503c\u6765\u9009\u53d6\u4f18\u5148\u8def\u7531\uff09\u534f\u8bae\u8def\u7531\uff08\u5305\u62ec\u76f4\u8fde\u8def\u7531\u3001\u9759\u6001\u8def\u7531\u548c\u5404\u79cd\u52a8\u6001\u8def\u7531\uff09\uff0c\u53ea\u6709\u5230\u8fbe\u67d0\u4e00\u76ee\u7684\u5730\u7684\u6700\u4f73\u8def\u7531\u624d\u4f1a\u5728\u672c\u5730\u6838\u5fc3\u8def\u7531\u8868\u4e2d\u51fa\u73b0\uff0c\u5e76\u8d1f\u8d23\u628a\u8fd9\u4e9b\u6700\u4f73\u8def\u7531\u4e0b\u53d1\u5230FIB\u8868\uff0c\u751f\u6210\u5bf9\u5e94\u7684FIB\u8868\u9879\uff0c\u6307\u5bfc\u62a5\u6587\u7684\u8f6c\u53d1\u3002<\/p>\n

\n

\u5bf9\u4e8e\u652f\u6301L3VPN\uff08Layer 3Virtual Private Network\uff0c\u4e09\u5c42VPN\uff09\u7684\u8def\u7531\u5668\uff0c\u6bcf\u4e2aVPN-Instance\u62e5\u6709\u4e00\u4e2a\u81ea\u5df1\u7684\u672c\u5730\u6838\u5fc3\u8def\u7531\u8868\u3002<\/p>\n

\n

\u534f\u8bae\u8def\u7531\u8868<\/span><\/p>\n

\u534f\u8bae\u8def\u7531\u8868\u4e2d\u5b58\u653e\u7740\u8be5\u534f\u8bae\u5df2\u53d1\u73b0\u7684\u6240\u6709\u8def\u7531\u4fe1\u606f\uff0c\u4f46\u5c31\u6240\u6709\u8def\u7531\u8868\u6765\u8bf4\uff0c\u534f\u8bae\u8def\u7531\u8868\u4e2d\u7684\u8def\u7531\u4e0d\u4e00\u5b9a\u662f\u6700\u4f73\u8def\u7531\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e0d\u4e00\u5b9a\u4f1a\u6700\u7ec8\u7528\u6765\u8fdb\u884c\u6570\u636e\u62a5\u6587\u8def\u7531\u3002\u8def\u7531\u534f\u8bae\u53ef\u4ee5\u5f15\u5165\u5e76\u53d1\u5e03\u5176\u4ed6\u534f\u8bae\u751f\u6210\u7684\u8def\u7531\u3002\u5982\u5728\u8def\u7531\u5668\u4e0a\u8fd0\u884cOSPF\u534f\u8bae\uff0c\u9700\u8981\u4f7f\u7528OSPF\u534f\u8bae\u901a\u544a\u76f4\u8fde\u8def\u7531\u3001\u9759\u6001\u8def\u7531\u6216\u8005IS-IS\u8def\u7531\u65f6\uff0c\u5219\u8981\u5148\u5c06\u8fd9\u4e9b\u8def\u7531\u5f15\u5165OSPF\u534f\u8bae\u7684\u8def\u7531\u8868\u4e2d\u3002<\/p>\n

\n

\u5728\u8def\u7531\u5668\u4e2d\u6267\u884cdisplayip routing-table\u547d\u4ee4\u53ef\u67e5\u770b\u8def\u7531\u5668\u7684IP\u8def\u7531\u8868\u4fe1\u606f\uff08\u5747\u4e3a\u6709\u6548\u7684\u6700\u4f73\u8def\u7531\uff0c\u975e\u6709\u6548\u3001\u6700\u4f73\u8def\u7531\u4e0d\u4f1a\u5728IP\u8def\u7531\u8868\u4e2d\u663e\u793a\uff09\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
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\n

IP\u8def\u7531\u8868\u4e2d\u5305\u542b\u4e86\u4e0b\u5217\u5b57\u6bb5\uff1a<\/span><\/p>\n

\u2460 Destination\uff1a\u8868\u793a\u6b64\u8def\u7531\u7684\u76ee\u7684\u5730\u5740\u3002\u7528\u6765\u6807\u8bc6IP\u5305\u7684\u76ee\u7684\u5730\u5740\u6216\u8005\u76ee\u7684\u7f51\u7edc\u3002<\/p>\n

\n

\u2461 Mask\uff1a\u8868\u793a\u6b64\u76ee\u7684\u5730\u5740\u7684\u5b50\u7f51\u63a9\u7801\u957f\u5ea6\u3002\u4e0e\u76ee\u7684\u5730\u5740\u4e00\u8d77\u6765\u6807\u8bc6\u76ee\u7684\u4e3b\u673a\u6216\u76ee\u7684\u7f51\u7edc\u6240\u5728\u7684\u7f51\u6bb5\u5730\u5740\u3002<\/p>\n

\n

\u2462 Proto\uff1a\u8868\u793a\u5b66\u4e60\u6b64\u8def\u7531\u7684\u8def\u7531\u534f\u8bae\uff0c\u5305\u62ec\u9759\u6001\u8def\u7531\uff08Static\uff09\u3001\u76f4\u8fde\u8def\u7531\uff08Direct\uff09\u548c\u5404\u79cd\u52a8\u6001\u8def\u7531\u3002<\/p>\n

\n

\u2463 Pre\uff1a\u5373Preference\uff0c\u8868\u793a\u6b64\u8def\u7531\u7684\u8def\u7531\u534f\u8bae\u4f18\u5148\u7ea7\u3002\u8fd9\u662f\u7528\u6765\u6bd4\u8f83\u4e0d\u540c\u534f\u8bae\u7c7b\u578b\u3001\u76f8\u540c\u76ee\u7684\u5730\u5740\u7684\u591a\u6761\u8def\u7531\u7684\u4f18\u5148\u7ea7\u3002\u540c\u4e00\u76ee\u7684\u5730\u5740\u53ef\u80fd\u5b58\u5728\u4e0d\u540c\u7684\u4e0b\u4e00\u8df3\u3001\u51fa\u63a5\u53e3\u7b49\u591a\u6761\u8def\u7531\uff0c\u8fd9\u4e9b\u4e0d\u540c\u7684\u8def\u7531\u53ef\u80fd\u662f\u7531\u4e0d\u540c\u7684\u8def\u7531\u534f\u8bae\u53d1\u73b0\u7684\uff0c\u4e5f\u53ef\u4ee5\u662f\u624b\u5de5\u914d\u7f6e\u7684\u9759\u6001\u8def\u7531\u3002\u4f18\u5148\u7ea7\u9ad8\uff08\u6570\u503c\u5c0f\uff09\u8005\u5c06\u6210\u4e3a\u5f53\u524d\u7684\u6700\u4f73\u8def\u7531\u3002<\/p>\n

\n

\u2464 Cost\uff1a\u8def\u7531\u5f00\u9500\uff0c\u8fd9\u662f\u7528\u6765\u6bd4\u8f83\u540c\u4e00\u79cd\u534f\u8bae\u7c7b\u578b\u3001\u76f8\u540c\u76ee\u7684\u5730\u5740\u7684\u591a\u6761\u8def\u7531\u7684\u4f18\u5148\u7ea7\u3002\u4f46\u4e0d\u540c\u7c7b\u578b\u534f\u8bae\u8def\u7531\u7684\u5f00\u9500\u7c7b\u578b\u4e0d\u540c\uff0c\u5982\u8ddd\u79bb\u77e2\u91cf\u534f\u8bae\u91c7\u7528\u7684\u662f\u201c\u8ddd\u79bb\u201d\uff0c\u5373\u5c06\u201c\u8df3\u6570\u201d\u4f5c\u4e3a\u8def\u7531\u5f00\u9500\uff0c\u800c\u94fe\u8def\u72b6\u6001\u534f\u8bae\u91c7\u7528\u7684\u662f\u201c\u94fe\u8def\u72b6\u6001\u201d\uff08\u7531\u94fe\u8def\u5e26\u5bbd\u3001\u7f51\u7edc\u4f20\u8f93\u6027\u80fd\u7b49\u53c2\u6570\u5171\u540c\u51b3\u5b9a\uff09\u4f5c\u4e3a\u8def\u7531\u5f00\u9500\u3002\u5f53\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u7684\u591a\u6761\u8def\u7531\u5177\u6709\u76f8\u540c\u7684\u8def\u7531\u4f18\u5148\u7ea7\u65f6\uff0c\u8def\u7531\u5f00\u9500\u6700\u5c0f\u7684\u5c06\u6210\u4e3a\u5f53\u524d\u7684\u6700\u4f73\u8def\u7531\u3002<\/p>\n

\n

\u2465 NextHop\uff1a\u8868\u793a\u6b64\u8def\u7531\u7684\u4e0b\u4e00\u8df3IP\u5730\u5740\u3002\u6307\u660e\u6570\u636e\u8f6c\u53d1\u8def\u5f84\u4e2d\u7684\u4e0b\u4e00\u4e2a\u4e09\u5c42\u8bbe\u5907\u3002<\/p>\n

\n

\u2466 Interface\uff1a\u8868\u793a\u6b64\u8def\u7531\u4ece\u672c\u5730\u8bbe\u5907\u53d1\u51fa\u7684\u51fa\u63a5\u53e3\u3002<\/p>\n

\n

\u5982\u4e0b\u56fe\u7684\u7f51\u7edc\u4e2d\uff0c\u8def\u7531\u5668A\u4e0e3\u4e2a\u7f51\u7edc\u76f4\u63a5\u76f8\u8fde\uff0c\u56e0\u6b64\u5728\u5176IP\u8def\u7531\u8868\u4e2d\u67092\u4e2a\u76ee\u7684IP\u5730\u5740\u3001\u4e0b\u4e00\u8df3\u548c\u51fa\u63a5\u53e3\u7684\u76f4\u8fde\u8def\u7531\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

FIB\u8868\u7684\u5339\u914d\uff1a\u5728IP\u8def\u7531\u8868\u9009\u62e9\u597d\u8981\u4f7f\u7528\u7684\u8def\u7531\u8868\u9879\u540e\uff0cIP\u8def\u7531\u8868\u4f1a\u5c06\u8fd9\u4e9b\u8def\u7531\u8868\u9879\u4e0b\u53d1\u5230FIB\u8868\u4e2d\uff0c\u4ee5\u751f\u6210\u5bf9\u5e94\u7684FIB\u8868\u9879\uff08\u6240\u4ee5FIB\u8868\u4e2d\u7684\u8868\u9879\u662f\u4e0eIP\u8def\u7531\u8868\u4e2d\u7684\u8868\u9879\u6709\u5bf9\u5e94\u5173\u7cfb\u7684\uff09\u3002\u5f53\u5bf9\u5e94\u76ee\u7684\u5730\u5740\u7684\u62a5\u6587\u5230\u8fbe\u8def\u7531\u5668\u65f6\uff0c\u4f1a\u901a\u8fc7\u67e5\u627eFIB\u8868\u4e2d\u7684\u5bf9\u5e94\u9879\u8fdb\u884c\u8f6c\u53d1\u3002FIB\u8868\u4e2d\u6bcf\u6761\u8868\u9879\u90fd\u6307\u660e\u5230\u8fbe\u67d0\u7f51\u6bb5\u6216\u67d0\u4e3b\u673a\u7684\u62a5\u6587\u5e94\u901a\u8fc7\u8def\u7531\u5668\u7684\u54ea\u4e2a\u7269\u7406\u63a5\u53e3\u6216\u903b\u8f91\u63a5\u53e3\u53d1\u9001\uff0c\u8fd9\u6837\u5c31\u53ef\u5230\u8fbe\u8be5\u8def\u5f84\u7684\u4e0b\u4e00\u4e2a\u8def\u7531\u5668\uff0c\u6216\u8005\u4e0d\u518d\u7ecf\u8fc7\u522b\u7684\u8def\u7531\u5668\u800c\u4f20\u9001\u5230\u76f4\u63a5\u76f8\u8fde\u7684\u7f51\u7edc\u4e2d\u7684\u76ee\u7684\u4e3b\u673a\u3002\u53ef\u4f7f\u7528displayfib\u547d\u4ee4\u67e5\u770bFIB\u8868\u4fe1\u606f\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5728FIB\u8868\u4e2d\u5305\u62ecDestination\u3001Mask\u3001Nexthop\u3001Flag\u3001TimeStamp\u3001Interface\u548cTunnelID\u5b57\u6bb5\uff0c\u5176\u4e2dDestination\u3001Mask\u3001Nexthop\u3001Interface\u5b57\u6bb5\u662f\u4e0eIP\u8def\u7531\u8868\u7684\u5bf9\u5e94\u5b57\u6bb5\u4e00\u6837\uff0c\u5176\u4ed63\u4e2a\u5b57\u6bb5\u8bf4\u660e\uff1a<\/p>\n

\n

\u2460Flag\uff1a\u8f6c\u53d1\u8868\u9879\u7684\u6807\u5fd7\uff0c\u53ef\u80fd\u662fG\u3001H\u3001U\u3001S\u3001D\u3001B\u3001L\u4e2d\u4e00\u4e2a\u6216\u591a\u5b57\u6bcd\u7ec4\u5408\u3002<\/p>\n

\u25cf G\uff08Gateway\u7f51\u5173\u8def\u7531\uff09\uff1a\u8868\u793a\u4e0b\u4e00\u8df3\u662f\u7f51\u5173\u3002<\/p>\n

\u25cf H\uff08Host\u4e3b\u673a\u8def\u7531\uff09\uff1a\u8868\u793a\u8be5\u8def\u7531\u4e3a\u4e3b\u673a\u8def\u7531\u3002<\/p>\n

\u25cf U\uff08Up\u53ef\u7528\u8def\u7531\uff09\uff1a\u8868\u793a\u8be5\u8def\u7531\u72b6\u6001\u662fUp\u3002<\/p>\n

\u25cf S\uff08Static\u9759\u6001\u8def\u7531\uff09\uff1a\u8868\u793a\u8be5\u8def\u7531\u4e3a\u624b\u52a8\u914d\u7f6e\u8def\u7531\u3002<\/p>\n

\u25cf D\uff08Dynamic \u52a8\u6001\u8def\u7531\uff09\uff1a\u8868\u793a\u8be5\u8def\u7531\u4e3a\u6839\u636e\u8def\u7531\u7b97\u6cd5\u81ea\u52a8\u751f\u6210\u8def\u7531\u3002<\/p>\n

\u25cf B\uff08Black Hole \u9ed1\u6d1e\u8def\u7531\uff09\uff1a\u8868\u793a\u4e0b\u4e00\u8df3\u662f\u7a7a\u63a5\u53e3\u3002<\/p>\n

\u25cf L\uff08Vlink Route\uff09\uff1a\u8868\u793aVlink\u7c7b\u578b\u8def\u7531<\/p>\n

\n

\u2461 TimeStamp\uff1a\u8f6c\u53d1\u8868\u9879\u7684\u65f6\u95f4\u6233\uff0c\u8868\u793a\u8be5\u8868\u9879\u5df2\u5b58\u5728\u7684\u65f6\u95f4\uff0c\u5355\u4f4d\u662fs\u3002<\/p>\n

\n

\u2462 TunnelID\uff1a\u8868\u793a\u8f6c\u53d1\u8868\u9879\u7d22\u5f15\u3002\u8be5\u503c\u4e0d\u4e3a0\u65f6\uff0c\u8868\u793a\u5339\u914d\u8be5\u9879\u7684\u62a5\u6587\u901a\u8fc7\u5bf9\u5e94\u7684\u96a7\u9053\u8fdb\u884c\u8f6c\u53d1\u3002\u8be5\u503c\u4e3a0\u65f6\uff0c\u8868\u793a\u62a5\u6587\u4e0d\u901a\u8fc7\u96a7\u9053\u8f6c\u53d1\u3002<\/p>\n

\n

\u56e0\u4e3a\u5728IP\u5c01\u88c5\u4e2d\uff0cIP\u62a5\u5934\u53ea\u5c01\u88c5\u4e86\u6e90IP\u5730\u5740\u548c\u76ee\u7684IP\u5730\u5740\uff0c\u6ca1\u6709\u5c01\u88c5\u5bf9\u5e94\u7684\u5b50\u7f51\u63a9\u7801\uff0c\u6240\u4ee5\u8fd9\u65f6\u5982\u679c\u5728FIB\u8868\u4e2d\u6709\u591a\u6761\u540c\u65f6\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\uff0c\u4f46\u5904\u4e8e\u76f8\u540c\u81ea\u7136\u7f51\u6bb5\u7684\u5b50\u7f51\u8f6c\u53d1\u9879\u65f6\uff0c\u5c31\u6d89\u53ca\u6700\u7ec8\u9009\u62e9\u54ea\u6761\u8f6c\u53d1\u8868\u7684\u95ee\u9898\u4e86\u3002\u8fd9\u5c31\u662fFIB\u8868\u4e2d\u7684\u201c\u6700\u957f\u63a9\u7801\u201d\u5339\u914d\u539f\u5219\uff0c\u4e5f\u5373\u6700\u7cbe\u7ec6\u8def\u7531\u5339\u914d\u539f\u5219\u3002\u5177\u4f53\u65b9\u6cd5\u662f\uff0c\u5728\u67e5\u627eFIB\u8868\u65f6\uff0c\u5148\u5c06\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u4e0eFIB\u4e2d\u5404\u8868\u9879\u7684\u63a9\u7801\u6309\u4f4d\u8fdb\u884c\u201c\u903b\u8f91\u4e0e\u201d\u8fd0\u7b97\uff0c\u5f97\u5230\u5339\u914d\u7684\u7f51\u7edc\u5730\u5740\uff08\u53ef\u80fd\u6709\u591a\u4e2a\uff09\uff0c\u7136\u540e\u5728\u8fd9\u4e9b\u5bf9\u5e94\u7684FIB\u8868\u9879\u4e2d\u9009\u62e9\u4e00\u4e2a\u6700\u957f\u63a9\u7801\u7684FIB\u8868\u9879\u8fdb\u884c\u62a5\u6587\u8f6c\u53d1\u3002<\/p>\n

\n

\u5982\u4e0a\u4f8bFIB\u8868\uff0c\u5047\u5982\u6709\u4e00\u4e2a\u76ee\u7684\u5730\u5740\u662f\u201c9.1.2.1\u201d\u7684\u62a5\u6587\u8fdb\u5165\u8def\u7531\u5668\uff0c\u9996\u5148\uff0c\u5c06\u76ee\u7684\u5730\u5740\uff1a9.1.2.1\u4e0eFIB\u8868\u4e2d\u5404\u8868\u9879\u7684\u63a9\u7801\u957f\u5ea6\u201c0\u30018\u300116\u201d\u6240\u5bf9\u5e94\u7684\u63a9\u7801\u8fdb\u884c\u201c\u903b\u8f91\u4e0e\u201d\uff0c\u5f97\u5230\u4e0b\u9762\u51e0\u4e2a\u7f51\u6bb5\u5730\u5740\uff1a0.0.0.0\/0\u30019.0.0.0\/8\u30019.1.0.0\/16\u3002\u6839\u636e\u6700\u957f\u63a9\u7801\u5339\u914d\u539f\u5219\uff0c\u6700\u7ec8\u9009\u62e99.1.0.0\/16\u8868\u9879\u4ece\u63a5\u53e3GE2\/0\/0\u8f6c\u53d1\u62a5\u6587\u3002<\/p>\n

\n

\u5b9e\u9645\u4e0aFIB\u8868\u9879\u53ea\u9009\u62e9\u4e0e\u62a5\u6587\u4e2d\u7684\u76ee\u7684\u5730\u5740\u7b2c\u4e00\u4e2a\u516b\u4f4d\u7ec4\u76f8\u540c\u7684\u5404\u5b50\u7f51\u548c\u81ea\u7136\u7f51\u6bb5\u7684\u8f6c\u53d1\u8868\u9879\uff0c\u518d\u52a0\u4e0a\u6240\u6709\u7f3a\u7701\u8def\u7531\u8f6c\u53d1\u8868\u9879\uff0c\u4ece\u4e2d\u9009\u62e9\u5b50\u7f51\u63a9\u7801\u6700\u957f\u7684\u8f6c\u53d1\u3002<\/p>\n

\n

3. \u8def\u7531\u534f\u8bae\u7684\u4f18\u5148\u7ea7<\/strong><\/span><\/p>\n

\u5bf9\u4e8e\u4e0d\u540c\u7684\u76ee\u7684\u5730\uff0c\u4e0d\u540c\u7684\u8def\u7531\u534f\u8bae\uff08\u5305\u62ec\u9759\u6001\u8def\u7531\uff09\u53ef\u80fd\u53d1\u73b0\u4e0d\u540c\u7684\u8def\u7531\uff0c\u4f46\u5728\u67d0\u4e00\u65f6\u523b\uff0c\u5230\u67d0\u4e00\u76ee\u7684\u5730\u7684\u5f53\u524d\u8def\u7531\u4ec5\u80fd\u7531\u552f\u4e00\u7684\u8def\u7531\u534f\u8bae\u6765\u51b3\u5b9a\u3002\u4e3a\u4e86\u5224\u65ad\u6700\u4f73\u8def\u7531\uff0c\u5404\u8def\u7531\u534f\u8bae\u90fd\u88ab\u8d4b\u4e88\u4e00\u4e2a\u4f18\u5148\u7ea7\uff0c\u5f53\u5b58\u5728\u591a\u4e2a\u8def\u7531\u4fe1\u606f\u6e90\u65f6\uff0c\u5177\u6709\u8f83\u9ad8\u4f18\u5148\u7ea7\uff08\u53d6\u503c\u8f83\u5c0f\uff09\u7684\u8def\u7531\u534f\u8bae\u53d1\u73b0\u7684\u8def\u7531\u5c06\u6210\u4e3a\u6700\u4f73\u8def\u7531\uff0c\u5e76\u5c06\u6700\u4f73\u8def\u7531\u653e\u5165IP\u8def\u7531\u8868\u4e2d\u3002<\/p>\n

\n

\u8def\u7531\u534f\u8bae\u7684\u4f18\u5148\u7ea7\u53c8\u5206\u201c\u5916\u90e8\u4f18\u5148\u7ea7\u201d\u548c\u201c\u5185\u90e8\u4f18\u5148\u7ea7\u201d\u4e24\u79cd\u3002\u9009\u62e9\u8def\u7531\u65f6\u5148\u6bd4\u8f83\u8def\u7531\u7684\u5916\u90e8\u4f18\u5148\u7ea7\uff0c\u5f53\u4e0d\u540c\u7684\u8def\u7531\u534f\u8bae\u914d\u7f6e\u4e86\u76f8\u540c\u7684\u5916\u90e8\u4f18\u5148\u7ea7\u65f6\uff0c\u7cfb\u7edf\u624d\u4f1a\u901a\u8fc7\u5185\u90e8\u4f18\u5148\u7ea7\u51b3\u5b9a\u54ea\u4e2a\u8def\u7531\u534f\u8bae\u53d1\u73b0\u7684\u8def\u7531\uff08\u5185\u90e8\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\uff09\u5c06\u6210\u4e3a\u6700\u4f73\u8def\u7531\u3002<\/p>\n

\n

\u5916\u90e8\u4f18\u5148\u7ea7\u662f\u6307\u7528\u6237\u53ef\u4ee5\u624b\u52a8\u4e3a\u5404\u8def\u7531\u534f\u8bae\u914d\u7f6e\u7684\u4f18\u5148\u7ea7\uff0c\u6211\u4eec\u901a\u5e38\u6240\u8bf4\u7684\u8def\u7531\u534f\u8bae\u4f18\u5148\u7ea7\u5c31\u662f\u6307\u5916\u90e8\u4f18\u5148\u7ea7\u3002\u7f3a\u7701\u5404\u8def\u7531\u534f\u8bae\u7684\u5916\u90e8\u4f18\u5148\u7ea7\u5982\u4e0b\uff08\u4f18\u5148\u7ea7\u6570\u503c\u8d8a\u5c0f\uff0c\u4f18\u5148\u7ea7\u8d8a\u9ad8\uff09\uff1a<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

0\u8868\u793a\u76f4\u63a5\u8fde\u63a5\u7684\u8def\u7531\uff0c255\u8868\u793a\u4efb\u4f55\u6765\u81ea\u4e0d\u53ef\u4fe1\u6e90\u7aef\u7684\u8def\u7531\uff0c\u9759\u6001\u8def\u7531\u7684\u4f18\u5148\u7ea7\u6bd4OSPF\u3001IS-IS\u4e2d\u7684\u8def\u7531\u4f18\u5148\u7ea7\u8981\u4f4e\uff08\u8fd9\u70b9\u4e0eCisco\u4e2d\u7684\u4e0d\u4e00\u6837\uff09\u3002\u9664\u76f4\u8fde\u8def\u7531\uff08DIRECT\uff09\u5916\uff0c\u5404\u79cd\u8def\u7531\u534f\u8bae\u7684\u4f18\u5148\u7ea7\u90fd\u53ef\u4ee5\u7531\u7528\u6237\u624b\u52a8\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n

\n

\u8def\u7531\u534f\u8bae\u7684\u5185\u90e8\u4f18\u5148\u7ea7\u5219\u4e0d\u80fd\u88ab\u7528\u6237\u624b\u52a8\u4fee\u6539\uff0c\u4ec5\u5f53\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u7684\u591a\u6761\u8def\u7531\u7684\u5916\u90e8\u4f18\u5148\u7ea7\u76f8\u540c\u65f6\u624d\u4f1a\u6bd4\u8f83\u4ed6\u4eec\u7684\u5185\u90e8\u4f18\u5148\u7ea7\u3002<\/p>\n

\n

\u4f8b\u5982\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u573010.1.1.0\/24\u6709\u4e24\u6761\u8def\u7531\u53ef\u4f9b\u9009\u62e9\uff0c\u4e00\u6761\u9759\u6001\u8def\u7531\uff0c\u4e00\u6761OSPF\u8def\u7531\uff0c\u4e14\u8fd9\u4e24\u6761\u8def\u7531\u7684\u5916\u90e8\u4f18\u5148\u7ea7\u90fd\u88ab\u914d\u7f6e\u4e3a5\uff0c\u5219\u6839\u636e\u5185\u90e8\u4f18\u5148\u7ea7\u8fdb\u884c\u5224\u65ad\uff0c\u56e0\u4e3aOSPF\u534f\u8bae\u7684\u5185\u90e8\u4f18\u5148\u7ea7\u662f10\uff0c\u9ad8\u4e8e\u9759\u6001\u8def\u7531\u7684\u5185\u90e8\u4f18\u5148\u7ea760\uff0c\u9009\u62e9OSPF\u534f\u8bae\u8def\u7531\u4e3a\u6700\u4f73\u8def\u7531\u3002<\/p>\n

\n

4. \u8d1f\u8f7d\u5206\u62c5\u4e0e\u8def\u7531\u5907\u4efd<\/strong><\/span><\/p>\n

\u5f53\u591a\u6761\u8def\u7531\u7684\u8def\u7531\u4f18\u5148\u7ea7\u548c\u8def\u7531\u5ea6\u91cf\u90fd\u76f8\u540c\uff0c\u8fd9\u51e0\u6761\u8def\u7531\u5c31\u79f0\u4e3a\u7b49\u4ef7\u8def\u7531\uff0c\u591a\u6761\u7b49\u4ef7\u8def\u7531\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5206\u62c5\u3002\u5f53\u51e0\u6761\u8def\u7531\u4e3a\u975e\u7b49\u4ef7\u8def\u7531\u65f6\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8def\u7531\u5907\u4efd\u3002<\/p>\n

\n

\u8d1f\u8f7d\u5206\u62c5\uff1a\u8def\u7531\u5668\u652f\u6301\u591a\u8def\u7531\u6a21\u5f0f\uff0c\u5373\u5141\u8bb8\u914d\u7f6e\u591a\u6761\u76ee\u7684\u5730\u76f8\u540c\uff0c\u4e14\u4f18\u5148\u7ea7\u4e5f\u76f8\u540c\u7684\u8def\u7531\u3002\u5f53\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u5b58\u5728\u540c\u4e00\u8def\u7531\u534f\u8bae\u53d1\u73b0\u7684\u591a\u6761\u8def\u7531\u65f6\uff0c\u4e14\u8fd9\u51e0\u6761\u8def\u7531\u7684\u5f00\u9500\u503c\u4e5f\u76f8\u540c\uff0c\u90a3\u4e48\u5c31\u6ee1\u8db3\u8d1f\u8f7d\u5206\u62c5\u7684\u6761\u4ef6\u3002\u5f53\u5b9e\u73b0\u8d1f\u8f7d\u5206\u62c5\u65f6\uff0c\u8def\u7531\u5668\u6839\u636e\u4e94\u5143\u7ec4\uff08\u6e90IP\u5730\u5740\u3001\u76ee\u7684IP\u5730\u5740\u3001\u6e90\u7aef\u53e3\u3001\u76ee\u7684\u7aef\u53e3\u3001\u534f\u8bae\uff09\u8fdb\u884c\u8f6c\u53d1\u3002\u5f53\u4e94\u5143\u7ec4\u76f8\u540c\u65f6\uff0c\u8def\u7531\u5668\u603b\u662f\u9009\u62e9\u4e0e\u4e0a\u6b21\u76f8\u540c\u7684\u4e0b\u4e00\u8df3IP\u5730\u5740\u53d1\u9001\u62a5\u6587\uff1b\u5f53\u4e94\u5143\u7ec4\u4e0d\u540c\u65f6\uff0c\u8def\u7531\u5668\u4f1a\u9009\u62e9\u76f8\u5bf9\u7a7a\u95f2\u7684\u8def\u5f84\u8fdb\u884c\u8f6c\u53d1\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5982\u4e0a\u56fe\uff0cRouterA\u5df2\u7ecf\u901a\u8fc7\u63a5\u53e3GE1\/0\/0\u8f6c\u53d1\u5230\u76ee\u7684\u5730\u574010.1.1.0\/24\u7684\u7b2c\u4e00\u4e2a\u62a5\u6587P1\uff0c\u968f\u540e\u53c8\u9700\u8981\u5206\u522b\u8f6c\u53d1\u62a5\u6587\u5230\u76ee\u7684\u5730\u574010.1.1.0\/24\u548c10.2.1.0\/24\u3002\u5176\u8f6c\u53d1\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n

\n

\u2460 \u5f53\u8f6c\u53d1\u5230\u8fbe10.1.1.0\/24\u7684\u7b2c2\u4e2a\u62a5\u6587P2\u65f6\uff0c\u53d1\u73b0\u6b64\u62a5\u6587\u4e0e\u5230\u8fbe10.1.1.0\/24\u7684\u7b2c1\u4e2a\u62a5\u6587P1\u7684\u4e94\u5143\u7ec4\u4e00\u81f4\uff0c\u6240\u4ee5\u4e4b\u540e\u5230\u8fbe\u8be5\u76ee\u7684\u5730\u7684\u62a5\u6587\u90fd\u4eceGE1\/0\/0\u8f6c\u53d1\u3002<\/p>\n

\n

\u2461 \u5f53\u8f6c\u53d1\u5230\u8fbe10.2.1.0\/24\u7684\u7b2c1\u4e2a\u62a5\u6587P1\u65f6\uff0c\u53d1\u73b0\u6b64\u62a5\u6587\u4e0e\u5230\u8fbe10.1.1.0\/24\u7684\u7b2c\u4e00\u4e2a\u62a5\u6587P1\u7684\u4e94\u5143\u7ec4\u4e0d\u4e00\u81f4\uff0c\u6240\u4ee5\u9009\u62e9\u8f83\u7a7a\u95f2\u7684GE2\/0\/0\u8f6c\u53d1\uff0c\u5e76\u4e14\u4e4b\u540e\u5230\u8fbe\u7ed9\u76ee\u7684\u5730\u5740\u7684\u62a5\u6587\u90fd\u4eceGE2\/0\/0\u8f6c\u53d1\u3002<\/p>\n

\n

\u8def\u7531\u5907\u4efd\uff1a\u4e3a\u63d0\u9ad8\u7f51\u7edc\u7684\u53ef\u9760\u6027\uff0c\u53ef\u914d\u7f6e\u5230\u540c\u4e00\u76ee\u7684\u5730\u7684\u591a\u6761\u8def\u7531\uff0c\u5176\u4e2d\u4e00\u6761\u8def\u7531\u7684\u4f18\u5148\u7ea7\u6700\u9ad8\uff0c\u4f5c\u4e3a\u4e3b\u8def\u7531\uff0c\u5176\u4f59\u4f5c\u4e3a\u5907\u4efd\u8def\u7531\u3002\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u8def\u7531\u5668\u91c7\u7528\u4e3b\u8def\u7531\u8f6c\u53d1\u6570\u636e\uff0c\u4e3b\u94fe\u8def\u51fa\u73b0\u6545\u969c\uff0c\u4e3b\u8def\u7531\u53d8\u4e3a\u975e\u6fc0\u6d3b\uff0c\u8def\u7531\u5668\u9009\u62e9\u5907\u4efd\u8def\u7531\u4e2d\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u8def\u7531\u8f6c\u53d1\u6570\u636e\u3002<\/p>\n

\n

5. \u8def\u7531\u7684\u6536\u655b<\/span><\/strong><\/p>\n

\u8def\u7531\u6536\u655b\u662f\u6307\u7f51\u7edc\u62d3\u6251\u53d8\u5316\u5f15\u8d77\u7684\u901a\u8fc7\u91cd\u65b0\u8ba1\u7b97\u8def\u7531\u800c\u53d1\u751f\u66ff\u4ee3\u8def\u7531\u7684\u884c\u4e3a\u3002\u968f\u7740\u7f51\u7edc\u7684\u878d\u5408\uff0c\u533a\u5206\u670d\u52a1\u7684\u9700\u6c42\u8d8a\u6765\u8d8a\u5f3a\u70c8\u3002\u67d0\u4e9b\u8def\u7531\u6307\u5bfc\u5173\u952e\u4e1a\u52a1\uff08VoIP\uff0c\u89c6\u9891\u4f1a\u8bae\uff0c\u7ec4\u64ad\u7b49\uff09\u8f6c\u53d1\uff0c\u5173\u952e\u4e1a\u52a1\u8def\u7531\u9700\u8981\u5c3d\u5feb\u6536\u655b\u3002\u7cfb\u7edf\u9700\u8981\u5bf9\u4e0d\u540c\u8def\u7531\u6309\u4e0d\u540c\u7684\u6536\u655b\u4f18\u5148\u7ea7\u5904\u7406\u3002<\/p>\n

\n

\u6309\u4f18\u5148\u7ea7\u6536\u655b\u662f\u6307\u7cfb\u7edf\u4e3a\u8def\u7531\u8bbe\u7f6e\u4e0d\u540c\u7684\u6536\u655b\u4f18\u5148\u7ea7\uff0c\u4ece\u9ad8\u5230\u4f4e\u5206\u522b\u4e3acritical\uff08\u4e34\u754c\uff09\u3001high\uff08\u9ad8\uff09\u3001medium\uff08\u4e2d\uff09\u3001low\uff08\u4f4e\uff094\u79cd\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u7f51\u7edc\u4e0a\u8fd0\u884cOSPF\u548cIS-IS\u534f\u8bae\uff0c\u7ec4\u64ad\u63a5\u53d7\u8005\u5728RouterA\u7aef\uff0c\u7ec4\u64ad\u6e90\u670d\u52a1\u566810.10.10.10\/32\u5728RouterB\u7aef\uff0c\u8981\u6c42\u5230\u7ec4\u64ad\u670d\u52a1\u5668\u7684\u8def\u7531\u4f18\u5148\u4e8e\u5176\u4ed6\u8def\u7531\u6536\u655b\u3002\u8fd9\u65f6\u53ef\u4ee5\u914d\u7f6e\u8def\u753110.10.10.10\/32\u7684\u6536\u655b\u4f18\u5148\u7ea7\u9ad8\u4e8e\u8def\u753112.10.10.0\/24\u7684\u6536\u655b\u4f18\u5148\u7ea7\uff0c\u8fd9\u6837\u5f53\u7f51\u7edc\u8def\u7531\u91cd\u65b0\u6536\u655b\u65f6\uff0c\u5c31\u80fd\u786e\u4fdd\u5230\u7ec4\u64ad\u6e90\u7684\u8def\u753110.10.10.10\/32\u4f18\u5148\u6536\u655b\uff0c\u4fdd\u8bc1\u7ec4\u64ad\u4e1a\u52a1\u7684\u8f6c\u53d1\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n<\/section>\n

\n
\n

\u9759\u6001\u8def\u7531\u57fa\u7840<\/strong><\/p>\n<\/section>\n<\/section>\n

\n
\n
\n
\n
\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n

\n

\u9759\u6001\u8def\u7531\u662f\u4e00\u79cd\u9700\u8981\u624b\u52a8\u914d\u7f6e\u7684\u7279\u6b8a\u8def\u7531\uff0c\u6bd4\u52a8\u6001\u8def\u7531\u4f7f\u7528\u66f4\u5c11\u7684\u5e26\u5bbd\uff0c\u4e0d\u5360\u7528CPU\u8d44\u6e90\u6765\u8ba1\u7b97\u548c\u5206\u6790\u8def\u7531\u66f4\u65b0\u3002\u4f46\u4e0d\u4f1a\u81ea\u52a8\u6536\u655b\u3002<\/p>\n

\n

1. \u9759\u6001\u8def\u7531\u7684\u7ec4\u6210<\/strong><\/span><\/p>\n

\u9759\u6001\u8def\u7531\u5305\u62ec5\u4e2a\u4e3b\u8981\u53c2\u6570\uff1a\u76ee\u7684IP\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\u3001\u51fa\u63a5\u53e3\u548c\u4e0b\u4e00\u8df3IP\u5730\u5740\u3001\u4f18\u5148\u7ea7\u3002<\/p>\n

\n

\u76ee\u7684IP\u5730\u5740\/\u5b50\u7f51\u63a9\u7801\uff1a\u76ee\u7684IP\u5730\u5740\u5c31\u662f\u8def\u7531\u8981\u5230\u8fbe\u7684\u76ee\u7684\u4e3b\u673a\u6216\u76ee\u7684\u7f51\u7edc\u7684IP\u5730\u5740\uff0c\u5b50\u7f51\u63a9\u7801\u5c31\u662f\u76ee\u7684\u5730\u5740\u6240\u5bf9\u5e94\u7684\u5b50\u7f51\u63a9\u7801\u3002\u5f53\u76ee\u7684\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\u90fd\u4e3a\u96f6\u65f6\uff0c\u8868\u793a\u9759\u6001\u7f3a\u7701\u8def\u7531\u3002<\/p>\n

\n

\u6839\u636e\u4e0d\u540c\u7684\u51fa\u63a5\u53e3\u7c7b\u578b\uff0c\u5728\u914d\u7f6e\u9759\u6001\u8def\u7531\u65f6\uff0c\u53ef\u6307\u5b9a\u51fa\u63a5\u53e3\uff0c\u4e5f\u53ef\u6307\u5b9a\u4e0b\u4e00\u8df3IP\u5730\u5740\uff0c\u8fd8\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\u548c\u4e0b\u4e00\u8df3IP\u5730\u5740\u3002<\/p>\n

\n

\u2460 \u5bf9\u4e8e\u70b9\u5230\u70b9\u7c7b\u578b\u7684\u63a5\u53e3\uff08\u5982PPP\u94fe\u63a5\u63a5\u53e3\uff09\uff0c\u53ea\u9700\u6307\u5b9a\u51fa\u63a5\u53e3\u3002\u5f53\u7136\u4e5f\u53ef\u540c\u65f6\u6307\u5b9a\u4e0b\u4e00\u8df3IP\u5730\u5740\uff0c\u4f46\u8fd9\u65f6\u5df2\u6ca1\u6709\u610f\u4e49\u4e86\u3002\u56e0\u4e3a\u5728\u70b9\u5bf9\u70b9\u7f51\u7edc\u4e2d\uff0c\u5bf9\u7aef\u662f\u552f\u4e00\u7684\uff0c\u6307\u5b9a\u4e86\u53d1\u9001\u63a5\u53e3\u5373\u9690\u542b\u6307\u5b9a\u53ef\u4e0b\u4e00\u8df3IP\u5730\u5740\uff0c\u8fd9\u65f6\u8ba4\u4e3a\u4e0e\u8be5\u63a5\u53e3\u76f8\u8fde\u7684\u5bf9\u7aef\u63a5\u53e3\u5730\u5740\u5c31\u662f\u8def\u7531\u5668\u7684\u4e0b\u4e00\u8df3IP\u5730\u5740\u3002<\/p>\n

\n

\u2461 \u5bf9\u4e8eNBMA\uff08NonBroadcast Multiple Access\uff0c\u975e\u5e7f\u64ad\u591a\u8def\u8bbf\u95ee\uff09\u7c7b\u578b\u7684\u63a5\u53e3\uff08\u5982FR\u3001ATM\u63a5\u53e3\uff09\uff0c\u53ea\u9700\u8981\u914d\u7f6e\u4e0b\u4e00\u8df3IP\u5730\u5740\u3002\u5f53\u7136\uff0c\u4e5f\u53ef\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\uff0c\u4f46\u8fd9\u65f6\u5df2\u6ca1\u6709\u610f\u4e49\uff0c\u56e0\u4e3a\u9664\u4e86\u914d\u7f6eIP\u8def\u7531\u5916\uff0c\u8fd9\u7c7b\u63a5\u53e3\u8fd8\u9700\u5728\u94fe\u8def\u5c42\u5efa\u7acbIP\u5730\u5740\u5230\u94fe\u8def\u5c42\u5730\u5740\u7684\u6620\u5c04\uff0c\u76f8\u5f53\u4e8e\u6307\u5b9a\u4e86\u51fa\u63a5\u53e3\u3002<\/p>\n

\n

\u2462 \u5bf9\u4e8e\u5e7f\u64ad\u7c7b\u578b\u7684\u63a5\u53e3\uff08\u5982\u4ee5\u592a\u7f51\u63a5\u53e3\uff09\u548cVT\uff08Virtual-Template\uff09\u63a5\u53e3\uff0c\u5fc5\u987b\u6307\u5b9a\u4e0b\u4e00\u8df3IP\u5730\u5740\uff0c\u6709\u4e9b\u60c5\u51b5\u4e0b\u8fd8\u9700\u8981\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\u3002\u56e0\u4e3a\u4ee5\u592a\u7f51\u63a5\u53e3\u662f\u5e7f\u64ad\u7c7b\u578b\u7684\u63a5\u53e3\uff0c\u800cVT\u63a5\u53e3\u4e0b\u53ef\u4ee5\u5173\u8054\u591a\u4e2a\u865a\u62df\u8bbf\u95ee\u63a5\u53e3\uff08Virtual Access Interface\uff09\uff0c\u8fd9\u90fd\u4f1a\u5bfc\u81f4\u51fa\u73b0\u591a\u4e2a\u4e0b\u4e00\u8df3\uff0c\u65e0\u6cd5\u552f\u4e00\u786e\u5b9a\u4e0b\u4e00\u8df3\u3002\u800c\u5728\u5e7f\u64ad\u578b\u7f51\u7edc\u4e2d\uff0c\u8fd8\u53ef\u80fd\u6709\u591a\u4e2a\u51fa\u63a5\u53e3\u5230\u8fbe\u540c\u4e00\u4e2a\u4e0b\u4e00\u8df3IP\u5730\u5740\uff0c\u6b64\u65f6\u5c31\u5fc5\u987b\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\u3002<\/p>\n

\n

\u9759\u6001\u8def\u7531\u4f18\u5148\u7ea7\uff1a\u5bf9\u4e8e\u4e0d\u540c\u7684\u9759\u6001\u8def\u7531\uff0c\u53ef\u4ee5\u914d\u7f6e\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\u3002\u914d\u7f6e\u5230\u8fbe\u76f8\u540c\u76ee\u7684\u5730\u7684\u591a\u6761\u9759\u6001\u8def\u7531\uff0c\u5982\u679c\u6307\u5b9a\u76f8\u540c\u4f18\u5148\u7ea7\uff0c\u5219\u53ef\u5b9e\u73b0\u8d1f\u8f7d\u5206\u62c5\uff1b\u5982\u679c\u6307\u5b9a\u4e0d\u540c\u4f18\u5148\u7ea7\uff0c\u5219\u53ef\u5b9e\u73b0\u8def\u7531\u5907\u4efd\u3002<\/p>\n

\n

2. \u9759\u6001\u8def\u7531\u7684\u4e3b\u8981\u7279\u70b9<\/strong><\/span><\/p>\n

\u624b\u52a8\u914d\u7f6e<\/span><\/p>\n

\u8def\u7531\u8def\u5f84\u76f8\u5bf9\u56fa\u5b9a\uff1a\u7f51\u7edc\u62d3\u6251\u53d8\u52a8\u4e5f\u4e0d\u4f1a\u4fee\u6539\uff0c\u9664\u975e\u7ba1\u7406\u5458\u4fee\u6539\u3002<\/p>\n

\n

\u4e0d\u53ef\u901a\u544a\u6027\uff1a\u9759\u6001\u8def\u7531\u4fe1\u606f\u5728\u7f3a\u7701\u60c5\u51b5\u4e0b\u662f\u79c1\u6709\u7684\uff0c\u4e0d\u4f1a\u4e3b\u52a8\u901a\u544a\u7ed9\u5176\u4ed6\u8def\u7531\u5668\uff0c\u4f46\u7ba1\u7406\u5458\u53ef\u4ee5\u5728\u672c\u5730\u8bbe\u5907\u7684\u52a8\u6001\u8def\u7531\u4e2d\u5f15\u5165\u9759\u6001\u8def\u7531\uff0c\u7136\u540e\u4ee5\u5bf9\u5e94\u52a8\u6001\u534f\u8bae\u8def\u7531\u8fdb\u884c\u901a\u544a\uff0c\u4f7f\u5f97\u7f51\u7edc\u4e2d\u5176\u4ed6\u8def\u7531\u5668\u4e5f\u53ef\u83b7\u6b64\u9759\u6001\u8def\u7531\u3002<\/p>\n

\n

\u5355\u5411\u6027\uff1a\u9759\u6001\u8def\u7531\u5177\u6709\u5355\u5411\u6027\uff0c\u5b83\u4ec5\u4e3a\u6570\u636e\u63d0\u4f9b\u6cbf\u7740\u4e0b\u4e00\u8df3\u7684\u65b9\u5411\u8fdb\u884c\u8def\u7531\uff0c\u4e0d\u63d0\u4f9b\u53cd\u5411\u8def\u7531\u3002\u6240\u4ee5\u5982\u679c\u60f3\u8981\u4f7f\u6e90\u8282\u70b9\u4e0e\u76ee\u6807\u8282\u70b9\u6216\u7f51\u7edc\u8fdb\u884c\u53cc\u5411\u901a\u4fe1\uff0c\u5fc5\u987b\u540c\u65f6\u914d\u7f6e\u56de\u7a0b\u9759\u6001\u8def\u7531\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5982\u679c\u60f3\u4f7f\u5f97PC1\uff08\u5df2\u914d\u7f6eA\u8282\u70b9IP\u5730\u574010.16.1.2\/24\u4f5c\u4e3a\u7f51\u5173\uff09\u80fd\u591fping\u901aPC2\uff0c\u5fc5\u987b\u540c\u65f6\u914d\u7f6e\u4ee5\u4e0b\u4e24\u6761\u9759\u6001\u8def\u7531\uff1a<\/p>\n

\n

\u2460 \u5728R1\u4e0a\u914d\u7f6e\u4e86\u5230\u8fbePC2\u7684\u6b63\u5411\u9759\u6001\u8def\u7531\uff08\u4ee5PC210.16.3.2\/24\u4f5c\u4e3a\u76ee\u6807\u8282\u70b9\uff0c\u4ee5C\u8282\u70b9IP\u5730\u574010.16.2.2\/24\u4f5c\u4e3a\u4e0b\u4e00\u8df3IP\u5730\u5740\uff09<\/p>\n

\n

\u2461 \u5728R2\u4e0a\u914d\u7f6e\u5230\u8fbePC1\u7684\u56de\u7a0b\u9759\u6001\u8def\u7531\uff08\u4ee5PC110.16.1.1\/24\u4f5c\u4e3a\u76ee\u6807\u8282\u70b9\uff0c\u4ee5B\u8282\u70b9IP\u5730\u574010.16.2.1\/24\u4f5c\u4e3a\u4e0b\u4e00\u8df3IP\u5730\u5740\uff09\uff0c\u4ee5\u63d0\u4f9bPing\u8fc7\u7a0b\u56de\u7a0bICMP\u6d88\u606f\u7684\u8def\u7531\u8def\u5f84\u3002<\/p>\n

\n

\u63a5\u529b\u6027\uff1a\u5982\u679c\u67d0\u6761\u9759\u6001\u8def\u7531\u4e2d\u95f4\u7ecf\u8fc7\u7684\u8df3\u6570\u5927\u4e8e1\uff08\u5373\u6574\u6761\u8def\u7531\u8def\u5f84\u7ecf\u5386\u4e863\u4e2a\u62163\u4e2a\u4ee5\u4e0a\u8def\u7531\u5668\u8282\u70b9\uff09\uff0c\u5219\u5fc5\u987b\u5728\u9664\u6700\u540e\u4e00\u4e2a\u8def\u7531\u5668\u5916\u7684\u5176\u4ed6\u8def\u7531\u5668\u4e0a\u4f9d\u6b21\u914d\u7f6e\u5230\u8fbe\u76f8\u540c\u76ee\u6807\u8282\u70b9\u6216\u76ee\u6807\u7f51\u7edc\u7684\u9759\u6001\u8def\u7531\uff0c\u8fd9\u5c31\u662f\u9759\u6001\u8def\u7531\u7684\u201c\u63a5\u529b\u201d\u7279\u6027\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u8def\u7531\u5668\u5404\u7aef\u53e3\u4e0a\u76f4\u63a5\u8fde\u63a5\u7684\u5404\u4e2a\u7f51\u7edc\u90fd\u662f\u76f4\u63a5\u4e92\u901a\u7684\uff0c\u56e0\u4e3a\u4ed6\u4eec\u4e4b\u95f4\u7f3a\u7701\u5c31\u6709\u76f4\u8fde\u8def\u7531\uff0c\u65e0\u9700\u53e6\u5916\u914d\u7f6e\u5176\u4ed6\u8def\u7531\uff0c\u5373\u8fde\u63a5\u5728\u540c\u4e00\u8def\u7531\u5668\u7684\u5404\u7f51\u7edc\u4e4b\u95f4\u7684\u8df3\u6570\u4e3a0\u3002\u5982\u4e0a\u56fe\uff0cR1\u4e0a\u8fde\u63a5\u4e8610.16.1.0\/24\u548c10.16.2.0\/24\uff0cR2\u4e0a\u8fde\u63a510.16.2.0\/24\u548c10.16.3.0\/24\u7f51\u7edc\uff0cR3\u4e0a\u8fde\u63a5\u4e8610.16.3.0\/24\u548c10.16.4.0\/24\u7f51\u7edc\uff0c\u90fd\u662f\u76f4\u63a5\u4e92\u901a\u7684\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u914d\u7f6e\u4eceR2\u5230R3\u8def\u7531\u5668\u4ee5\u53ca\u4eceR2\u5230R1\u8def\u7531\u5668\u7684\u9759\u6001\u8def\u7531\u3002<\/p>\n

\n

\u8fed\u4ee3\u6027\uff1a\u8bb8\u591a\u4eba\u5b58\u5728\u4e00\u4e2a\u9519\u8bef\u8ba4\u8bc6\uff1a\u8ba4\u4e3a\u9759\u6001\u8def\u7531\u7684\u201c\u4e0b\u4e00\u8df3\u201d\u5fc5\u987b\u662f\u4e0e\u672c\u5730\u8def\u7531\u5668\u76f4\u63a5\u8fde\u63a5\u7684\u4e0b\u4e00\u4e2a\u8def\u7531\u5668\u63a5\u53e3\uff0c\u8fd9\u662f\u9519\u8bef\u7684\uff01\uff01\uff01\u9759\u6001\u8def\u7531\u6ca1\u6709\u5efa\u7acb\u90bb\u63a5\u5173\u7cfb\u7684Hello\u5305\uff0c\u9759\u6001\u8def\u7531\u4e5f\u4e0d\u4f1a\u88ab\u901a\u544a\u90bb\u5c45\u8def\u7531\u5668\uff0c\u6240\u4ee5\u4ed6\u7684\u4e0b\u4e00\u8df3\u7eaf\u7cb9\u662f\u7531\u914d\u7f6e\u7684\u201c\u4e0b\u4e00\u8df3IP\u5730\u5740\u201d\u76f4\u63a5\u6307\u5b9a\u7684\uff0c\u6216\u901a\u8fc7\u914d\u7f6e\u201c\u51fa\u63a5\u53e3\u201d\u95f4\u63a5\u6307\u5b9a\u3002\u7406\u8bba\u4e0a\u8bf4\uff0c\u9759\u6001\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u53ef\u4ee5\u662f\u8def\u5f84\u4e2d\u5176\u4ed6\u8def\u7531\u5668\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u63a5\u53e3\uff0c\u53ea\u662f\u80fd\u4fdd\u8bc1\u5230\u8fbe\u4e0b\u4e00\u8df3\u5c31\u884c\u4e86\u3002\u8fd9\u5c31\u662f\u9759\u6001\u8def\u7531\u7684\u201c\u8fed\u4ee3\u6027\u201d\u3002<\/p>\n

\n<\/section>\n

\n
\n

\u9759\u6001\u8def\u7531\u4e3b\u8981\u7279\u6027\u53ca\u5e94\u7528<\/strong><\/p>\n<\/section>\n<\/section>\n

\n
\n
\n
\n
\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n

\n

IPv4\u9759\u6001\u8def\u7531\u7684\u4e3b\u8981\u7279\u6027\u6709\u9759\u6001\u7f3a\u7701\u8def\u7531\u3001\u9759\u6001\u8def\u7531\u4e0eBFD\u8054\u52a8\u3001\u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8\u3001\u9759\u6001\u8def\u7531\u4f18\u5148\u7ea7\u548c\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03\u3002<\/p>\n

\n

1. \u9759\u6001\u7f3a\u7701\u8def\u7531<\/strong><\/span><\/p>\n

\u7f3a\u7701\u8def\u7531\u662f\u53e6\u5916\u4e00\u79cd\u7279\u6b8a\u7684\u8def\u7531\uff0c\u5206\u9759\u6001\u7f3a\u7701\u8def\u7531\u548c\u52a8\u6001\u7f3a\u7701\u8def\u7531\u4e24\u7c7b\u3002\u7f3a\u7701\u8def\u7531\u662f\u6ca1\u6709\u5728\u8def\u7531\u8868\u4e2d\u627e\u5230\u5339\u914d\u7684\u8def\u7531\u8868\u9879\u65f6\u624d\u4f7f\u7528\u7684\u5019\u8865\u8def\u7531\u3002\u5982\u679c\u8def\u7531\u5668\u4e2d\u6ca1\u6709\u914d\u7f6e\u7f3a\u7701\u8def\u7531\uff0c\u4e14\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u4e0d\u5728\u8def\u7531\u8868\u4e2d\uff0c\u90a3\u4e48\u8be5\u62a5\u6587\u5c06\u88ab\u4e22\u5f03\uff0c\u5e76\u5411\u6e90\u7aef\u8fd4\u56de\u4e00\u4e2aICMP\u62a5\u6587\uff0c\u62a5\u544a\u8be5\u76ee\u7684\u5730\u5740\u6216\u7f51\u7edc\u4e0d\u53ef\u8fbe\u3002<\/p>\n

\n

\u5728\u8def\u7531\u8868\u4e2d\uff0c\u7f3a\u7701\u8def\u7531\u4ee5\u5230\u7f51\u7edc0.0.0.0\uff08\u63a9\u7801\u4e5f\u4e3a0.0.0.0\uff09\u7684\u8def\u7531\u5f62\u5f0f\u51fa\u73b0\u3002\u53ef\u901a\u8fc7display ip routing-table\u67e5\u770b\u3002<\/p>\n

\n

2. \u9759\u6001\u8def\u7531\u4e0eBFD\u8054\u52a8<\/strong><\/span><\/p>\n

\u9759\u6001\u8def\u7531\u81ea\u8eab\u6ca1\u6709\u68c0\u6d4b\u548c\u7f51\u7edc\u6536\u655b\u673a\u5236\uff0c\u53ef\u901a\u8fc7\u9759\u6001\u8def\u7531\u4e0eBFD\u8054\u52a8\u7279\u6027\u8fdb\u884c\u7ed1\u5b9a\uff0c\u5229\u7528BFD\u4f1a\u8bdd\u6765\u5feb\u901f\u7684\u68c0\u6d4b\u9759\u6001\u8def\u7531\u6240\u5728\u94fe\u8def\u7684\u72b6\u6001\uff0c\u5b9e\u73b0\u6beb\u79d2\u7ea7\u5feb\u901f\u4e3b\u5907\u5207\u6362\u3002<\/p>\n

\n

\u5f53\u67d0\u6761\u9759\u6001\u8def\u7531\u4e0a\u7684BFD\u4f1a\u8bdd\u68c0\u6d4b\u5230\u94fe\u8def\u6545\u969c\u65f6\uff0cBFD\u4f1a\u5c06\u6545\u969c\u4e0a\u62a5\u7cfb\u7edf\uff0c\u4fc3\u4f7f\u8be5\u8def\u7531\u5931\u6548\uff0c\u4f7f\u8be5\u8def\u7531\u5728IP\u8def\u7531\u8868\u4e2d\u4e0d\u53ef\u89c1\u3002<\/p>\n

\n

\u5f53\u67d0\u6761\u9759\u6001\u8def\u7531\u4e0a\u7684BFD\u4f1a\u8bdd\u68c0\u6d4b\u5230\u6545\u969c\u7684\u94fe\u8def\u91cd\u65b0\u5efa\u7acb\u6210\u529f\u65f6\uff0cBFD\u4f1a\u4e0a\u62a5\u7cfb\u7edf\uff0c\u91cd\u65b0\u6fc0\u6d3b\u8be5\u6761\u8def\u7531\uff0c\u4f7f\u8be5\u8def\u7531\u91cd\u65b0\u51fa\u73b0\u5728IP\u8def\u7531\u8868\u4e2d\u3002<\/p>\n

\n

3. \u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8<\/strong><\/span><\/p>\n

\u5728\u4e00\u4e9b\u4e0d\u652f\u6301BFD\u7684\u94fe\u8def\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u628a\u9759\u6001\u8def\u7531\u4e0eNQA\u7279\u6027\u8fdb\u884c\u7ed1\u5b9a\u6765\u5b9e\u73b0\u94fe\u8def\u6545\u969c\u68c0\u6d4b\u548c\u5feb\u901f\u7684\u4e3b\u5907\u94fe\u8def\u5207\u6362\uff0c\u4e14\u53ea\u8981\u6c42\u4e92\u901a\u8bbe\u5907\u7684\u5176\u4e2d\u4e00\u7aef\u652f\u6301NQA\u5373\u53ef\uff0c\u4e0d\u53d7\u4e8c\u5c42\u8bbe\u5907\u7684\u9650\u5236\u3002<\/p>\n

\n

\u5982\u679cNQA\u68c0\u6d4b\u4f8b\u68c0\u6d4b\u5230\u94fe\u8def\u6545\u969c\uff0c\u8def\u7531\u5668\u5c06\u8fd9\u6761\u9759\u6001\u8def\u7531\u8bbe\u7f6e\u4e3a\u201c\u975e\u6fc0\u6d3b\u201d\u72b6\u6001\uff08\u4eceIP\u8def\u7531\u8868\u4e2d\u5220\u9664\uff09\u3002<\/p>\n

\n

\u5982\u679cNQA\u68c0\u6d4b\u4f8b\u68c0\u6d4b\u5230\u94fe\u8def\u6062\u590d\uff0c\u8def\u7531\u5668\u5c06\u8fd9\u6761\u9759\u6001\u8def\u7531\u8bbe\u7f6e\u4e3a\u201c\u6fc0\u6d3b\u201d\u72b6\u6001\uff08\u8def\u7531\u53ef\u7528\uff0c\u5e76\u6dfb\u52a0\u5230IP\u8def\u7531\u8868\u4e2d\uff09\u3002<\/p>\n

\n

\u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8\u65f6\u4ec5\u91c7\u7528ICMP\u6d4b\u8bd5\u4f8b\u6765\u68c0\u6d4b\u6e90\u7aef\u5230\u76ee\u7684\u7aef\u7684\u8def\u7531\u662f\u5426\u53ef\u8fbe\uff0c\u4e14\u6bcf\u6761\u9759\u6001\u8def\u7531\u53ea\u53ef\u4ee5\u7ed1\u5b9a\u4e00\u4e2aNQA\u6d4b\u8bd5\u4f8b\u3002<\/p>\n

\n

4. \u9759\u6001\u8def\u7531\u4f18\u5148\u7ea7<\/strong><\/span><\/p>\n

\u53ef\u4ee5\u4e3a\u4e0d\u540c\u9759\u6001\u8def\u7531\u914d\u7f6e\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\uff0c\u4f18\u5148\u7ea7\u503c\u8d8a\u5c0f\uff0c\u5bf9\u5e94\u7684\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u901a\u8fc7\u4e3a\u591a\u6761\u5230\u8fbe\u540c\u4e00\u76ee\u7684\u5730\u5740\u7684\u9759\u6001\u8def\u7531\u914d\u7f6e\u76f8\u540c\u6216\u4e0d\u540c\u7684\u4f18\u5148\u7ea7\uff0c\u53ef\u5206\u522b\u5b9e\u73b0\u591a\u6761\u76f8\u540c\u76ee\u7684\u5730\u5740\u7684\u9759\u6001\u8def\u7531\u7684\u8d1f\u8f7d\u5206\u62c5\u548c\u8def\u7531\u5907\u4efd\u3002<\/p>\n

\n

\u8d1f\u8f7d\u5206\u62c5\uff1a\u5982\u679c\u5230\u8fbe\u76f8\u540c\u76ee\u7684\u5730\u5740\u7684\u591a\u6761\u9759\u6001\u8def\u7531\u6307\u5b9a\u76f8\u540c\u4f18\u5148\u7ea7\uff0c\u5219\u53ef\u5b9e\u73b0\u8d1f\u8f7d\u5206\u62c5\u3002<\/p>\n

\n

\u8def\u7531\u5907\u4efd\uff1a\u5982\u679c\u5230\u8fbe\u76f8\u540c\u76ee\u7684\u5730\u5740\u7684\u591a\u6761\u9759\u6001\u8def\u7531\u6307\u5b9a\u4e0d\u540c\u4f18\u5148\u7ea7\uff0c\u5219\u53ef\u5b9e\u73b0\u8def\u7531\u5907\u4efd\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5982\u56fe\u662f\u8d1f\u8f7d\u5206\u62c5\uff0c\u4e24\u6761\u8def\u7531\u5747\u5728IP\u8def\u7531\u8868\u4e2d\u5b58\u5728\uff0c\u540c\u65f6\u627f\u62c5\u6570\u636e\u8f6c\u53d1\u300210-9\u662f\u8def\u7531\u5907\u4efd\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u9759\u6001\u8def\u7531B\u88ab\u6fc0\u6d3b\uff0c\u4e3b\u94fe\u8def\u627f\u62c5\u6570\u636e\u8f6c\u53d1\uff0c\u9759\u6001\u8def\u7531D\u4e0d\u5728\u8def\u7531\u8868\u4e2d\u4f53\u73b0\u3002<\/p>\n

\n

\u4e3b\u94fe\u8def\u6545\u969c\uff0c\u9759\u6001\u8def\u7531B\u5728\u8def\u7531\u8868\u4e2d\u88ab\u5220\u9664\uff0c\u9759\u6001\u8def\u7531D\u4f5c\u4e3a\u5907\u4efd\u8def\u7531\u88ab\u6fc0\u6d3b\uff0c\u5907\u4efd\u94fe\u8def\u627f\u62c5\u6570\u636e\u8f6c\u53d1\u3002<\/p>\n

\n

\u4e3b\u94fe\u8def\u6062\u590d\u540e\uff0c\u9759\u6001\u8def\u7531B\u91cd\u65b0\u88ab\u6fc0\u6d3b\uff0c\u4e3b\u94fe\u8def\u627f\u62c5\u6570\u636e\u8f6c\u53d1\u3002\u9759\u6001\u8def\u7531D\u5728\u8def\u7531\u8868\u4e2d\u5220\u9664\u3002\u8fd9\u6761\u5907\u4efd\u8def\u7531\u4e5f\u53eb\u6d6e\u52a8\u9759\u6001\u8def\u7531\u3002<\/p>\n

\n

5. \u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03<\/strong><\/span><\/p>\n

\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03\u4e3a\u5ba2\u6237\u63d0\u4f9b\u4e00\u79cd\u4f4e\u6210\u672c\u3001\u90e8\u7f72\u7b80\u5355\u7684\u94fe\u8def\u68c0\u6d4b\u673a\u5236\uff0c\u5728\u5ba2\u6237\u5e0c\u671b\u786e\u5b9a\u4e1a\u52a1\u6d41\u91cf\u7684\u8f6c\u53d1\u8def\u5f84\uff0c\u4e0d\u5e0c\u671b\u6d41\u91cf\u4ece\u5176\u4ed6\u8def\u5f84\u7a7f\u8d8a\u65f6\uff0c\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03\u53ef\u4ee5\u901a\u8fc7Ping\u9759\u6001\u8def\u7531\u76ee\u7684\u5730\u5740\u7684\u65b9\u5f0f\u6765\u6d4b\u8bd5\u94fe\u8def\u7684\u6709\u6548\u6027\u800c\u8fbe\u5230\u4e1a\u52a1\u76d1\u63a7\u7684\u76ee\u7684\u3002\u914d\u7f6e\u6c38\u4e45\u53d1\u5e03\u5c5e\u6027\u540e\uff0c\u4e4b\u524d\u65e0\u6cd5\u53d1\u5e03\u7684\u9759\u6001\u8def\u7531\u4ecd\u7136\u88ab\u4f18\u9009\u5e76\u6dfb\u52a0\u5230IP\u8def\u7531\u8868\u4e2d\u3002\u5177\u4f53\u5206\u4e24\u79cd\u60c5\u51b5\uff1a<\/p>\n

\n

\u9759\u6001\u8def\u7531\u914d\u7f6e\u4e86\u51fa\u63a5\u53e3\uff0c\u4e14\u51fa\u63a5\u53e3\u7684IP\u5730\u5740\u5b58\u5728\u65f6\uff0c\u65e0\u8bba\u51fa\u63a5\u53e3\u7684\u72b6\u6001\u662fU\u8fd8\u662fDown\uff0c\u53ea\u8981\u914d\u7f6e\u4e86\u6c38\u4e45\u53d1\u5e03\u5c5e\u6027\uff0c\u5219\u8be5\u9759\u6001\u8def\u7531\u90fd\u4f1a\u88ab\u4f18\u9009\u5e76\u6dfb\u52a0\u5230IP\u8def\u7531\u8868\u3002<\/p>\n

\n

\u9759\u6001\u8def\u7531\u6ca1\u6709\u914d\u7f6e\u51fa\u63a5\u53e3\u65f6\uff0c\u65e0\u8bba\u9759\u6001\u8def\u7531\u662f\u5426\u80fd\u8fed\u4ee3\u5230\u51fa\u63a5\u53e3\uff0c\u53ea\u8981\u914d\u7f6e\u4e86\u6c38\u4e45\u53d1\u5e03\u5c5e\u6027\uff0c\u8def\u7531\u90fd\u4f1a\u88ab\u4f18\u9009\u5e76\u6dfb\u52a0\u5230IP\u8def\u7531\u8868\u4e2d\u3002<\/p>\n

\n

\u8fd9\u6837\u901a\u8fc7\u63a7\u5236\u9759\u6001\u8def\u7531\u7684\u4f18\u5148\u7ea7\u548c\u524d\u7f00\u957f\u5ea6\uff0c\u4f7fPing\u62a5\u6587\u59cb\u7ec8\u901a\u8fc7\u9759\u6001\u8def\u7531\u8f6c\u53d1\uff0c\u5c31\u53ef\u4ee5\u68c0\u6d4b\u51fa\u94fe\u8def\u7684\u6709\u6548\u6027\u3002\u4f46\u662f\uff0c\u8be5\u7279\u6027\u4e0d\u5224\u65ad\u8def\u7531\u662f\u5426\u53ef\u8fbe\uff0c\u800c\u662f\u4e00\u76f4\u4f1a\u5c06\u9759\u6001\u8def\u7531\u4fdd\u7559\u5728IP\u8def\u7531\u8868\u4e2d\uff0c\u5982\u679c\u5b9e\u9645\u8def\u5f84\u4e0d\u53ef\u8fbe\uff0c\u9759\u6001\u8def\u7531\u53ef\u80fd\u5f62\u6210\u9ed1\u6d1e\u8def\u7531\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

BR1\u3001BR2\u3001BR3\u5206\u5c5eISP1\u3001ISP2\u3001ISP3.\u4eceBR1\u5230BR2\u6709\u4e24\u6761\u94fe\u8def\uff08LinkA\u548cLinkB\uff09\u53ef\u8fbe\uff0c\u4f46ISP1\u5e0c\u671b\u6d41\u91cf\u90fd\u901a\u8fc7LinkA\u76f4\u63a5\u8f6c\u53d1\u5230ISP2\uff0c\u800c\u4e0d\u4eceISP3\u7a7f\u8d8a\u3002\u8fd9\u65f6\u53ef\u4ee5\u914d\u7f6eISP1\u5230ISP2\u7684\u9759\u6001\u8def\u7531\u4e3a\u6c38\u4e45\u53d1\u5e03\u7684\u3002<\/p>\n

\n

BR1\u548cBR2\u4e4b\u95f4\u5efa\u7acb\u76f4\u8fde\u5355\u8df3EBGP\u90bb\u5c45\uff0c\u540c\u65f6\u4e3a\u4e86\u8fdb\u884c\u4e1a\u52a1\u72b6\u6001\u76d1\u63a7\uff0c\u5728BR1\u4e0a\u914d\u7f6e\u5230\u5bf9\u7aef\uff08BR2\uff09BGP\u90bb\u5c45\u5730\u5740\uff0810.1.1.2\/24\uff09\u7684\u9759\u6001\u8def\u7531\uff08\u5439\u6441\u6263\u4e3a\u4e0eBR2\u76f4\u8fde\u7684\u672c\u5730\u63a5\u53e3\uff09\uff0c\u5e76\u4f7f\u80fd\u8def\u7531\u6c38\u4e45\u53d1\u5e03\u3002\u7f51\u7edc\u76d1\u63a7\u7cfb\u7edf\u5468\u671f\u6027\u7684Ping 10.1.1.2\uff0c\u53ef\u901a\u8fc7Ping\u7ed3\u679c\u6765\u5224\u65adLinkA\u7684\u72b6\u6001\uff0c\u8fdb\u800c\u95f4\u63a5\u7684\u76d1\u63a7BGP\u4e1a\u52a1\u72b6\u6001\u3002<\/p>\n

\n

\u5f53LinkA\u6b63\u5e38\u65f6\uff0cPing\u6570\u636e\u5305\u90fd\u901a\u8fc7LinkA\u8fdb\u884c\u8f6c\u53d1\u3002\u5982LinkA\u6545\u969c\uff0c\u5373\u4f7f\u80fd\u901a\u8fc7LinkB\u5230\u8fbeBR2\uff0c\u4f46\u7531\u4e8e\u9759\u6001\u8def\u7531\u4f7f\u80fd\u4e86\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03\uff0c\u6240\u4ee5Ping\u6570\u636e\u5305\u8fd8\u662f\u901a\u8fc7LinkA\u8f6c\u53d1\uff0c\u6b64\u65f6\u4e0d\u901a\u3002\u5bf9\u4e8eBGP\u6570\u636e\u5305\u4e5f\u662f\u76f8\u540c\u7684\u60c5\u51b5\uff0c\u6545\u969c\u4f1a\u5bfc\u81f4BGP\u90bb\u5c45\u65ad\u5f00\uff0c\u76d1\u63a7\u7cfb\u7edf\u53ef\u4ee5\u901a\u8fc7Ping\u7ed3\u679c\u95f4\u63a5\u5730\u68c0\u6d4b\u5230\u4e1a\u52a1\u95ee\u9898\uff0c\u5e76\u901a\u77e5\u7ef4\u62a4\u4eba\u5458\u3002<\/p>\n

\n<\/section>\n

\n
\n

\u9759\u6001\u8def\u7531\u914d\u7f6e\u4e0e\u7ba1\u7406<\/strong><\/p>\n<\/section>\n<\/section>\n

\n
\n
\n
\n
\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n

\n

\u9759\u6001\u8def\u7531\u7684\u4e3b\u8981\u914d\u7f6e\uff1a<\/p>\n

\u2460 \u00a0\u521b\u5efa\u9759\u6001\u8def\u7531<\/p>\n

\u2461\uff08\u53ef\u9009\uff09\u914d\u7f6e\u9759\u6001\u8def\u7531\u7684\u7f3a\u7701\u4f18\u5148\u7ea7<\/p>\n

\u2462\uff08\u53ef\u9009\uff09\u4f7f\u80fd\u9759\u6001\u8def\u7531\u6309\u9012\u5f52\u6df1\u5ea6\u4f18\u5148\u9009\u62e9<\/p>\n

\u2463\uff08\u53ef\u9009\uff09\u914d\u7f6e\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03<\/p>\n

\u2464\uff08\u53ef\u9009\uff09\u9759\u6001\u8def\u7531\u4e0e\u9759\u6001BFD\u8054\u52a8<\/p>\n

\u2465\uff08\u53ef\u9009\uff09\u9759\u6001\u8def\u7531\u4e0e\u9759\u6001NQA\u8054\u52a8<\/p>\n

\n

1. \u914d\u7f6e\u9759\u6001\u8def\u7531\u57fa\u672c\u529f\u80fd<\/strong><\/span><\/p>\n

\u9759\u6001\u8def\u7531\u57fa\u672c\u529f\u80fd\u5305\u62ec\u4ee5\u4e0b\u914d\u7f6e\u4efb\u52a1<\/span><\/p>\n

\u521b\u5efa\u9759\u6001\u8def\u7531\uff1a\u5728\u521b\u5efa\u9759\u6001\u8def\u7531\u65f6\uff0c\u53ef\u4ee5\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\u548c\u4e0b\u4e00\u8df3\u3002\u5bf9\u4e0d\u540c\u51fa\u63a5\u53e3\u7c7b\u578b\uff0c\u53ef\u4ee5\u53ea\u6307\u5b9a\u51fa\u63a5\u53e3\u6216\u53ea\u6307\u5b9a\u4e0b\u4e00\u8df3\u3002<\/p>\n

\n

\u2460 \u5bf9\u4e8e\u70b9\u5bf9\u70b9\u63a5\u53e3\uff0c\u53ea\u9700\u6307\u5b9a\u51fa\u63a5\u53e3\uff08\u53ef\u540c\u65f6\u6307\u5b9a\u4e0b\u4e00\u8df3\uff09<\/p>\n

\u2461 \u5bf9\u4e8eNBMA\u63a5\u53e3\uff0c\u53ea\u9700\u6307\u5b9a\u4e0b\u4e00\u8df3\uff08\u53ef\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\uff09<\/p>\n

\u2462 \u5bf9\u4e8e\u4ee5\u592a\u7f51\u63a5\u53e3\u548cVT\u63a5\u53e3\uff0c\u5fc5\u987b\u6307\u5b9a\u4e0b\u4e00\u8df3\uff08\u6709\u65f6\u9700\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\uff09<\/p>\n

\n

\uff08\u53ef\u9009\uff09\u914d\u7f6e\u9759\u6001\u8def\u7531\u7684\u7f3a\u7701\u4f18\u5148\u7ea7\uff1a\u7f3a\u7701\u4f18\u5148\u7ea7\u503c\uff0860\uff09\uff0c\u4e5f\u53ef\u6539\u53d8\u7f3a\u7701\u4f18\u5148\u7ea7\uff0c\u4ee5\u5f71\u54cd\u8def\u7531\u7684\u9009\u8def\u987a\u5e8f\u3002<\/p>\n

\n

\uff08\u53ef\u9009\uff09\u4f7f\u80fd\u9759\u6001\u8def\u7531\u6309\u9012\u5f52\u6df1\u5ea6\u4f18\u5148\u9009\u62e9\uff1a\u8def\u7531\u8fed\u4ee3\u662f\u901a\u8fc7\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u4fe1\u606f\u6765\u627e\u5230\u76f4\u8fde\u51fa\u63a5\u53e3\u7684\u8fc7\u7a0b\u3002\u8fed\u4ee3\u6df1\u5ea6\u6307\u8def\u7531\u8fed\u4ee3\u4e2d\u67e5\u627e\u8def\u7531\u7684\u6b21\u6570\uff0c\u6b21\u6570\u8d8a\u5c11\u8fed\u4ee3\u6df1\u5ea6\u8d8a\u5c0f\u3002\u5f53\u7cfb\u7edf\u4e2d\u5b58\u5728\u82e5\u5e72\u6761\u540c\u4e00\u524d\u7f00\uff0c\u8fed\u4ee3\u6df1\u5ea6\u4e0d\u540c\u7684\u9759\u6001\u8def\u7531\u65f6\uff0c\u8fed\u4ee3\u6df1\u5ea6\u8f83\u5c0f\u7684\u8def\u7531\u7a33\u5b9a\u6027\u8f83\u9ad8\u3002\u914d\u7f6e\u4e86\u57fa\u4e8e\u8fed\u4ee3\u6df1\u5ea6\u7684\u4f18\u9009\u4e4b\u540e\uff0c\u7cfb\u7edf\u4f1a\u9009\u62e9\u8fed\u4ee3\u6df1\u5ea6\u8f83\u5c0f\u7684\u9759\u6001\u8def\u7531\u4f5c\u4e3a\u6d3b\u8dc3\u8def\u7531\uff0c\u5e76\u4e0b\u53d1FIB\u3002<\/p>\n

\n

\uff08\u53ef\u9009\uff09\u914d\u7f6e\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03\uff1a\u9759\u6001\u8def\u7531\u6c38\u4e45\u53d1\u5e03\u5c31\u662f\u901a\u8fc7Ping\u9759\u6001\u8def\u7531\u76ee\u7684\u5730\u5740\u7684\u65b9\u5f0f\u6765\u68c0\u6d4b\u94fe\u8def\u7684\u6709\u6548\u6027\u3002\u521b\u5efa\u9759\u6001\u8def\u7531\u65f6\u8981\u533a\u5206\u662f\u5728\u516c\u5171\u7f51\u7edc\u4e2d\u521b\u5efa\uff0c\u8fd8\u662f\u5728\u5177\u4f53\u7684VPN\u5b9e\u4f8b\u7f51\u7edc\u4e2d\u521b\u5efa\uff0c\u4e0d\u540c\u7c7b\u578b\u7f51\u7edc\u4e2d\u6240\u5141\u8bb8\u643a\u5e26\u7684\u53c2\u6570\u4e0d\u540c\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n
<\/div><\/section>\n<\/section>\n
\n

\n<\/section>\n

\n

2. \u914d\u7f6e\u9759\u6001\u8def\u7531\u4e0e\u9759\u6001BFD\u8054\u52a8<\/strong><\/span><\/p>\n

\u5728\u914d\u7f6e\u9759\u6001\u8def\u7531\u4e0e\u9759\u6001BFD\u8054\u52a8\u4e4b\u524d\uff0c\u9700\u8981\u914d\u7f6e\u597d\u5bf9\u5e94\u7684\u9759\u6001BFD\u4f1a\u8bdd\u3002<\/p>\n

\n

\u4e0eBFD\u4f1a\u8bdd\u7ed1\u5b9a\u4ec5\u53ef\u5728\u516c\u7f51\uff08\u975e\u7279\u5b9aVPN\u5b9e\u4f8b\u7f51\u7edc\uff09\u9759\u6001\u8def\u7531\u8fdb\u884c\u914d\u7f6e\uff0c\u914d\u7f6e\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5728\u7cfb\u7edf\u89c6\u56fe\u4e0b\u6267\u884cip route-staticip-address {undefinedmask|mask-length} {undefinednexthop-address |interface-typeinterface-number [nexthop-address]}[preferencepreference |tag tag]* track bfd-sessioncfg-name[descriptiontext]\u547d\u4ee4\u5373\u53ef\u3002<\/p>\n

\n

\u53c2\u6570track bfd-session cfg-name\u5c31\u662f\u8981\u6307\u5b9a\u7528\u6765\u4e0e\u6240\u6307\u5b9a\u7684\u516c\u7f51\u9759\u6001\u8def\u7531\u7ed1\u5b9a\u7684BFD\u4f1a\u8bdd\u540d\u79f0\uff08\u6240\u7ed1\u5b9a\u7684\u9759\u6001BFD\u4f1a\u8bdd\u8981\u4e8b\u5148\u914d\u7f6e\u597d\uff09\u3002\u8981\u786e\u4fddBFD\u4f1a\u8bdd\u548c\u9759\u6001\u8def\u7531\u5728\u540c\u4e00\u94fe\u8def\u4e0a\u3002<\/p>\n

\n

3. \u914d\u7f6e\u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8<\/strong><\/span><\/p>\n

\u5982\u679c\u4e92\u8054\u8bbe\u5907\u4e0d\u652f\u6301BFD\u529f\u80fd\uff0c\u53ef\u4ee5\u914d\u7f6e\u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8\uff0c\u5229\u7528NQA\u6d4b\u8bd5\u4f8b\u5bf9\u94fe\u8def\u72b6\u6001\u8fdb\u884c\u68c0\u6d4b\uff0c\u63d0\u9ad8\u7f51\u7edc\u53ef\u9760\u6027\u3002NQA\u628a\u6d4b\u8bd5\u4e24\u7aef\u79f0\u4e3a\u5ba2\u6237\u7aef\u548c\u76ee\u7684\u7aef\uff08\u6216\u670d\u52a1\u5668\u7aef\uff09\uff0c\u5e76\u5728\u5ba2\u6237\u7aef\u53d1\u8d77\u6d4b\u8bd5\uff0c\u76ee\u7684\u7aef\u63a5\u6536\u62a5\u6587\u540e\uff0c\u8fd4\u56de\u7ed9\u6e90\u7aef\uff08\u5ba2\u6237\u7aef\uff09\u76f8\u5e94\u7684\u56de\u5e94\u4fe1\u606f\u3002<\/p>\n

\n

\u4e0b\u8868\u4e3a\u914d\u7f6e\u6b65\u9aa4\uff0c2~8\u6b65\u4e3aNQA\u6d4b\u8bd5\u4f8b\u7684\u521b\u5efa\u4e0e\u914d\u7f6e\uff0c\u7b2c10\u6b65\u4e3a\u9759\u6001\u8def\u7531\u4e0eNQA\u6d4b\u8bd5\u4f8b\u8054\u52a8\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n
<\/div><\/section>\n<\/section>\n
\n
<\/div><\/section>\n<\/section>\n
\n

\n<\/section>\n

\n

4. \u9759\u6001\u8def\u7531\u7ba1\u7406<\/strong><\/span><\/p>\n

\u2460 display iprouting-table\uff1a\u67e5\u770bIPv4\u8def\u7531\u8868\u6458\u8981\u4fe1\u606f<\/p>\n

\u2461 display iprouting-table verbose\uff1a\u67e5\u770bIPv4\u8def\u7531\u8868\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n

\u2462 display bfdsession all \u3010verbose\u3011\uff1a\u67e5\u770bBFD\u4f1a\u8bdd\u4fe1\u606f<\/p>\n

\u2463 displaycurrent-configuration | include bfd\uff1a\u67e5\u770b\u9759\u6001\u8def\u7531\u4e0eBFD\u8054\u52a8\u7684\u914d\u7f6e<\/p>\n

\u2464 displaycurrent-configuration | include nqa\uff1a\u67e5\u770b\u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8\u7684\u914d\u7f6e<\/p>\n

\u2465 display nqaresults \u3010collection\u3011\u3010test-instance admin-name test-name\u3011\uff1a\u67e5\u770bNQA\u6d4b\u8bd5\u7ed3\u679c\u3002NQA\u6d4b\u8bd5\u4e0d\u4f1a\u5728\u7ec8\u7aef\u81ea\u52a8\u663e\u793a\u6d4b\u8bd5\u7ed3\u679c\uff0c\u5fc5\u987b\u4f7f\u7528\u672c\u547d\u4ee4\u67e5\u770b\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n

\n

5. \u9759\u6001\u8def\u7531\u914d\u7f6e\u793a\u4f8b<\/strong><\/span><\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u4e0a\u56fe\u7684\u7f51\u7edc\u62d3\u6251\uff0c\u8981\u6c42\u901a\u8fc7\u914d\u7f6e\u9759\u6001\u8def\u7531\u5b9e\u73b0\u4e0d\u540c\u7f51\u6bb5\u7684\u4efb\u610f\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u4e92\u901a\u3002<\/p>\n

\n

\u57fa\u672c\u914d\u7f6e\u601d\u8def\uff1a\u9759\u6001\u8def\u7531\u914d\u7f6e\u4e3b\u8981\u662f5\u4e2a\u53c2\u6570\uff1a\u76ee\u7684IP\/\u5b50\u7f51\u63a9\u7801\u3001\u4e0b\u4e00\u8df3IP\u3001\u51fa\u63a5\u53e3\u3001\u4f18\u5148\u7ea7\u3002\u53e6\u5916\u5728\u914d\u7f6e\u9759\u6001\u8def\u7531\u4e00\u5b9a\u8981\u6ce8\u610f\u5355\u5411\u6027\uff0c\u4e5f\u5c31\u662f\u8981\u4f7f\u53cc\u65b9\u80fd\u4e92\u76f8\u8bbf\u95ee\uff0c\u5fc5\u987b\u540c\u65f6\u914d\u7f6e\u5f80\u8fd4\u8def\u5f84\u7684\u4e24\u6761\u9759\u6001\u8def\u7531\u3002<\/p>\n

\n

\u5177\u4f53\u914d\u7f6e\u6b65\u9aa4<\/span><\/p>\n

\u2460 \u914d\u7f6e\u5404\u8def\u7531\u5668\u63a5\u53e3IP\uff0c\u4ee5RouterA\u4e0a\u7684\u63a5\u53e3\u4e3a\u4f8b<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u2461 \u914d\u7f6e\u9759\u6001\u8def\u7531\uff0c\u8fd9\u91cc\u53ef\u4ee5\u5728RouterA\u548cRouterC\u4e0a\u4ec5\u901a\u8fc7\u914d\u7f6e\u7f3a\u7701\u8def\u7531\u6765\u5b9e\u73b0\uff08\u5f53\u7136\u4e5f\u53ef\u4ee5\u7528\u5177\u4f53\u7684\u9759\u6001\u8def\u7531\uff09\uff0c\u5728RouterB\u4e0a\u5219\u5206\u522b\u914d\u7f6e\u5230\u8fbePC1\u548cPC3\u6240\u5728\u7f51\u6bb5\u7684\u4e24\u6761\u9759\u6001\u8def\u7531\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u2462 \u914d\u7f6e\u4e3b\u673aPC1\u7684\u7f3a\u7701\u7f51\u5173\u4e3a1.1.1.1\uff0c\u4e3b\u673aPC2\u7684\u7f3a\u7701\u7f51\u5173\u4e3a1.1.2.1\uff0c\u4e3b\u673aPC3\u7684\u7f3a\u7701\u7f51\u5173\u4e3a1.1.3.1\u3002<\/p>\n

\n

\u5728\u5404\u8def\u7531\u5668\u4e0a\u6267\u884cdisplayip routing-table<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

IP\u8def\u7531\u8868\u4e2d\u7684\u201cFlags\u201d\u662f\u8def\u7531\u6807\u8bb0\uff0c\u53ef\u4ee5\u662fR\uff08\u8868\u793a\u8be5\u8def\u7531\u662f\u8fed\u4ee3\u8def\u7531\uff09\u548cD\uff08\u8868\u793a\u8be5\u8def\u7531\u5df2\u4e0b\u53d1\u5230FIB\u8868\uff09\u5b57\u6bcd\uff0c\u6216\u8005\u662f\u5b83\u4eec\u7684\u7ec4\u5408\u3002\u4f46IP\u8def\u7531\u8868\u4e2d\u7684\u6240\u6709\u8def\u7531\u5747\u6709D\u6807\u8bb0\uff0c\u56e0\u4e3a\u5b83\u4eec\u90fd\u4e0b\u53d1\u5230FIB\u4e2d\u3002<\/p>\n

\n

6. \u9759\u6001\u8def\u7531\u4e0eBFD\u8054\u52a8\u914d\u7f6e\u793a\u4f8b<\/strong><\/span><\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u4e0a\u56fe\u62d3\u6251\uff0cRouterA\u901a\u8fc7\u914d\u7f6e\u9759\u6001\u8def\u7531\uff0c\u7ecf\u7531RouterB\u4e0e\u5916\u90e8\u76f8\u8fde\uff0c\u8981\u6c42\u5728RouterA\u548cRouterB\u4e4b\u95f4\u5b9e\u73b0\u6beb\u79d2\u7ea7\u6545\u969c\u611f\u77e5\u3002<\/p>\n

\n

\u57fa\u672c\u914d\u7f6e\u601d\u8def\uff1a\u5b9e\u73b0\u6beb\u79d2\u7ea7\u6545\u969c\u611f\u77e5\uff0c\u53ea\u6709\u901a\u8fc7\u4e0eBFD\u4f1a\u8bdd\u8fdb\u884c\u7ed1\u5b9a\u3002\u5728RouterA\u548cRouterB\u4e0a\u5206\u522b\u521b\u5efa\u53cc\u5411BFD\u4f1a\u8bdd\uff0c\u5e76\u7ed1\u5b9aROuterA\u5230\u8fbe\u5916\u90e8\u7f51\u7edc\u7684\u9759\u6001\u8def\u7531\uff08\u8fd9\u79cd\u5355\u4e00\u51fa\u53e3\u7f51\u7edc\u4e2d\u53ef\u76f4\u63a5\u4f7f\u7528\u9759\u6001\u7f3a\u7701\u8def\u7531\uff09\u3002<\/p>\n

\n

\u5177\u4f53\u914d\u7f6e\u6b65\u9aa4\uff1a<\/span><\/p>\n

\u2460 \u914d\u7f6e\u597d\u5404\u8def\u7531\u5668\u63a5\u53e3IP\uff1a<\/p>\n

[RouterA]interface gigabitethernet 1\/0\/0<\/p>\n

[RouterA-GigabitEthernet1\/0\/0]ip address 1.1.1.1 24<\/p>\n

\n

\u2461 \u5728RouterA\u4e0a\u914d\u7f6e\u4e0eRouterB\u4e4b\u95f4\u7684BFD\u4f1a\u8bdd<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u2462 \u5728RouterB\u4e0a\u914d\u7f6e\u4e0eRouterA\u4e4b\u95f4\u7684BFD\u4f1a\u8bdd\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u2463 \u5728RouterA\u4e0a\u914d\u7f6e\u5230\u5916\u90e8\u7f51\u7edc\u7684\u9759\u6001\u7f3a\u7701\u8def\u7531\uff0c\u5e76\u7ed1\u5b9aBFD\u4f1a\u8bdd<\/p>\n

[RouterA]ip route-static0.0.0.0 0.0.0.0 1.1.1.2 track bfd-session aa<\/p>\n

\n

\u914d\u7f6e\u5b8c\u540e\u5728RouterA\u548cRouterB\u4e0a\u6267\u884cdisplaybfd session all\uff0c\u53ef\u770b\u5230BFD\u4f1a\u8bdd\u5df2\u7ecf\u5efa\u7acb\u4e14\u72b6\u6001\u4e3aUp\u3002\u5728\u7cfb\u7edf\u89c6\u56fe\u4e0b\u6267\u884cdisplay current-configuration | include bfd\uff0c\u53ef\u770b\u5230\u9759\u6001\u8def\u7531\u5df2\u7ecf\u7ed1\u5b9aBFD\u4f1a\u8bdd\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u6267\u884cdisplay iprouting-table<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5bf9RouterB\u7684GE1\/0\/0\u63a5\u53e3\u6267\u884cshutdown\u6a21\u62df\u6545\u969c\uff0c\u7136\u540e\u67e5\u770b\u8def\u7531\u8868\uff0c\u53d1\u73b0\u9664\u4e86\u76f4\u8fde\u8def\u7531\uff0c\u9759\u6001\u7f3a\u7701\u8def\u75310.0.0.0\/0\u4e0d\u5b58\u5728\u4e86\u3002\u56e0\u4e3a\u9759\u6001\u7f3a\u7701\u8def\u7531\u7ed1\u5b9a\u4e86BFD\u4f1a\u8bdd\uff0c\u5f53BFD\u68c0\u6d4b\u5230\u6545\u969c\uff0c\u4f1a\u8fc5\u901f\u901a\u77e5\u6240\u7ed1\u5b9a\u7684\u9759\u6001\u8def\u7531\u4e0d\u53ef\u7528\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n<\/section>\n

\n

7. \u9759\u6001\u8def\u7531\u4e0eNQA\u8054\u52a8\u914d\u7f6e\u793a\u4f8b<\/strong><\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5982\u4e0a\u56fe\u62d3\u6251\uff0c\u5728RouterB\u548cRouterC\u4e0a\u90fd\u914d\u7f6e\u4e86\u5230\u7528\u6237\u4ea4\u6362\u673a\u7684\u9759\u6001\u8def\u7531\uff0cRouterB\u4e3a\u4e3b\u8def\u7531\u5668\uff0cRouterC\u4e3a\u5907\u7528\u8def\u7531\u5668\u3002\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0cSwitchA\u4e0a\u7684\u7528\u6237\u4e1a\u52a1\u7528\u6d41\u91cf\u8d70\u4e3b\u7528\u94fe\u8defRouterB-\u00e0switchA\uff0c\u4e3b\u7528\u94fe\u8def\u6545\u969c\u5207\u6362\u5230\u5907\u7528\u94fe\u8defRouterC\u00e0SwitchA\u3002<\/p>\n

\n

\u57fa\u672c\u914d\u7f6e\u601d\u8def\uff1a<\/span><\/p>\n

\u2460 \u5728\u5404\u8def\u7531\u5668\u4e0a\u914d\u7f6eIP\u5730\u5740\u4ee5\u53caOSPF\u8def\u7531\u534f\u8bae\uff0c\u5e76\u914d\u7f6e\u4e0d\u540c\u94fe\u8def\u7684\u8def\u7531\u5f00\u9500\u503c\uff0c\u6700\u7ec8\u4f7f\u5f97RouterB\u4e3a\u4e3b\u7528\u8def\u7531\u5668\uff0cRouterC\u4e3a\u5907\u7528\u8def\u7531\u5668\u3002<\/p>\n

\n

\u2461 \u5728RouterB\u4e0eSwitchA\u4e4b\u95f4\u5efa\u7acbICMP\u7c7b\u578b\u7684NQA\u6d4b\u8bd5\u4f8b\uff0c\u540c\u65f6\u5206\u522b\u914d\u7f6eRouterB\u548cRouterC\u5230SwitchA\u4e0a\u8fde\u63a5\u7684\u7528\u6237\u7f51\u7edc\u7684\u9759\u6001\u8def\u7531\uff0c\u5e76\u5c06\u5728RouterB\u914d\u7f6e\u7684\u9759\u6001\u8def\u7531\u4e0eNQA\u6d4b\u8bd5\u4f8b\u8054\u52a8\u3002<\/p>\n

\n

\u914d\u7f6e\u6b65\u9aa4\uff1a<\/span><\/p>\n

\u2460 \u914d\u7f6e\u5404\u8def\u7531\u5668\u7684IP\u5730\u5740\u3002<\/p>\n

[RouterA]interfacegigabitethernet 1\/0\/0<\/p>\n

[RouterA-GigabitEthernet1\/0\/0]ipaddress 172.16.3.1 24<\/p>\n

[RouterA-GigabitEthernet1\/0\/0]quit<\/p>\n

[RouterA]interfacegigabitethernet 2\/0\/0<\/p>\n

[RouterA-GigabitEthernet2\/0\/0]ipaddress 172.16.4.1 24<\/p>\n

\n

\u2461 \u5728RouterA\u3001RouterB\u548cRouterC\u4e0a\u914d\u7f6eOSPF\u52a8\u6001\u8def\u7531\u534f\u8bae\uff0c\u4f7f\u5b83\u4eec\u4e4b\u95f4\u4e09\u5c42\u53ef\u8fbe\u3002\uff08\u4ee5RouterA\u4e3a\u4f8b\uff09<\/p>\n

\n

\u2462 \u4e3a\u4e86\u4fdd\u8bc1RouterA\u6709\u5230\u8fbe\u7528\u6237\u7f51\u7edc\u7684\u8def\u7531\uff0c\u9700\u8981\u5728RouterB\u548cRouterC\u4e0a\u914d\u7f6eOSPF\u52a8\u6001\u8def\u7531\u534f\u8bae\u5f15\u5165\u9759\u6001\u8def\u7531\uff0c\u7136\u540e\u901a\u544a\u7ed9RouterA\u3002\u4e3a\u4e86\u4f7fRouterB\u6210\u4e3a\u4e3b\u8def\u7531\u5668\uff0c\u9700\u8981\u5728RouterB\u5f15\u5165\u9759\u6001\u8def\u7531\u65f6\u5f00\u9500\u503c\u66f4\u5c0f\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u2463 \u5728RouterB\u4e0a\u914d\u7f6eRouterB\u548cSwitchA\u4e4b\u95f4\u7684NQA ICMP\u6d4b\u8bd5\u4f8b\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u2464 \u5728RouterB\u548cRouterC\u4e0a\u5206\u522b\u914d\u7f6e\u5230\u8fbeSwitchA\u9759\u6001\u8def\u7531\uff08\u5728\u5e7f\u64ad\u7f51\u7edc\u4e2d\u8981\u540c\u65f6\u6307\u5b9a\u51fa\u63a5\u53e3\u548c\u4e0b\u4e00\u8df3IP\uff09\uff0c\u4f46\u5728RouterB\u4e0a\u914d\u7f6e\u9759\u6001\u8def\u7531\u65f6\u8981\u4e0e\u914d\u7f6e\u7684NQA ICMP\u6d4b\u8bd5\u4f8b\u8fdb\u884c\u8054\u52a8\u3002<\/p>\n

\n

[RouterB]ip route-static172.16.7.0 255.255.255.255.0 gigabitethernet 1\/0\/0 172.16.1.2 track nqa aa bb<\/p>\n

[RouterC]ip route-static172.16.7.0 255.255.255.0 gigabitethernet 3\/0\/0 172.16.6.2<\/p>\n

\n

\u914d\u7f6e\u5b8c\u540e\uff0c\u5728RouterB\u7684\u7cfb\u7edf\u89c6\u56fe\u4e0b\u6267\u884cdisplaycurrent-configuration | include nqa\uff0c\u53ef\u770b\u5230\u9759\u6001\u8def\u7531\u5df2\u7ecf\u7ed1\u5b9aNQA\u6d4b\u8bd5\u4f8b\uff1b\u6267\u884cdisplaynqa results\u547d\u4ee4\u53ef\u770b\u5230NQA\u6d4b\u8bd5\u4f8b\u5df2\u7ecf\u5efa\u7acb\u3002<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u901a\u8fc7display iprouting-table\u67e5\u770bRouterB\u4e0a\u7684IP\u8def\u7531\u8868\uff1a<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u5728RouterA\u4e0a\u67e5\u770bIP\u8def\u7531\u8868\uff1a<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u4ece\u4e2d\u53ef\u4ee5\u770b\u5230\u6709\u4e00\u6761\u5230172.16.7.0\/24\u7684\u8def\u7531\uff0c\u4e0b\u4e00\u8df3\u6307\u5411172.16.3.2\uff0ccost\u503c\u4e3a10\uff0c\u56e0\u6b64\u4e1a\u52a1\u6d41\u91cf\u4f1a\u4f18\u5148\u8d70\u94fe\u8defRouterB\u2014>SwitchA\u3002<\/p>\n

\n

\u901a\u8fc7shutdown\u5173\u95edRouterB\u7684GE1\/0\/0\uff0c\u901a\u8fc7displaynqa results\u67e5\u770bNQA\u6d4b\u8bd5\u7ed3\u679c\uff1a<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u6b64\u65f6\u5728\u901a\u8fc7displayip routing-table\u67e5\u770bRouterB\u4e0a\u7684IP\u8def\u7531\u8868\uff0c\u53d1\u73b0\u539f\u6765\u7684\u8fd9\u6761\u5230\u8fbeSwitchA\u7684\u9759\u6001\u8def\u7531\u6d88\u5931\u4e86\uff0c\u56e0\u4e3aNQA\u5df2\u901a\u77e5\u8def\u7531\u6a21\u5757\u5bf9\u5e94\u94fe\u8def\u51fa\u73b0\u6545\u969c\uff0c\u6240\u4ee5\u8def\u7531\u6a21\u5757\u7acb\u5373\u5220\u9664\u8fd9\u6761\u9759\u6001\u8def\u7531\u3002\u5728RouterA\u4e0a\u67e5\u770bIP\u8def\u7531\u8868\uff1a<\/p>\n<\/section>\n

\n
<\/div><\/section>\n<\/section>\n
\n

\n

\u53ef\u4ee5\u770b\u5230\u539f\u6765\u7684\u8def\u7531\u6d88\u5931\u4e86\uff08Cost\u503c\u4e3a10\uff0c\u4e0b\u4e00\u8df3\u4e3a172.16.3.2\u7684\u8def\u7531\uff09\uff0c\u6539\u4e3a\u4e86\u901a\u8fc7SwitchC\uff0c\u56e0\u4e3aRouterA\u4ec5\u80fd\u4eceRouterC\u5904\u5b66\u4e60\u5230\u901a\u5f80172.16.7.0\/24\u7684\u8def\u7531\u4e86\u3002<\/p>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

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