{"id":9876,"date":"2022-05-17T18:17:41","date_gmt":"2022-05-18T01:17:41","guid":{"rendered":"https:\/\/www.xh86.me\/?p=9876"},"modified":"2022-05-17T18:17:41","modified_gmt":"2022-05-18T01:17:41","slug":"%e7%bd%91%e5%b7%a5%e8%b7%af%e7%94%b1%e5%9f%ba%e7%a1%80%ef%bc%882%ef%bc%89%e8%b7%af%e7%94%b1%e9%80%89%e8%b7%af%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=9876","title":{"rendered":"\u7f51\u5de5\u8def\u7531\u57fa\u7840\uff082\uff09\u8def\u7531\u9009\u8def\u539f\u7406"},"content":{"rendered":"
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<\/section>\n<\/section>\n
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\n

\n

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\n

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\n

\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u00a0\u8def\u7531\u5668\u88ab\u8ba4\u4e3a\u6267\u884c\u4e24\u4e2a\u6700\u91cd\u8981\u7684\u57fa\u672c\u529f\u80fd\uff1a\u8def\u7531\u529f\u80fd\u4e0e\u4ea4\u6362\u529f\u80fd\u3002<\/span><\/strong><\/p>\n

\n

\n

\n
\n
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<\/section>\n
\n
<\/div><\/section>\n
<\/section>\n<\/section>\n
<\/section>\n<\/section>\n
\n
\u8def\u7531\u5668\u7684\u57fa\u672c\u529f\u80fd<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n

\n

\u26c5<\/span><\/strong>\u8def\u7531\u529f\u80fd<\/span><\/strong><\/span><\/p>\n

\n<\/section>\n

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\n

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\n

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\n

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\n

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\n

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\n

\n

\u26c5<\/span><\/strong>\u8f6c\u53d1\u529f\u80fd<\/span><\/strong><\/p>\n

\n<\/section>\n

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<\/span><\/p>\n

\n

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<\/span><\/p>\n

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\n

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\n

\u8def\u7531\u9009\u62e9\u7275\u6d89\u5230\u4e09\u4e2a\u65b9\u9762\uff1a\u00a0<\/span><\/strong><\/p>\n

\n

1\u3001\u00a0\u5404\u79cd\u8def\u7531\u534f\u8bae\u7684\u5904\u7406\uff0c\u5305\u62ecrip\uff0cigrp\uff0ceigrp\uff0cospf\uff0cis-is\uff0cbgp \u7b49\uff0c\u6bcf\u4e2a\u534f\u8bae\u90fd\u901a\u8fc7IP\u6570\u636e\u5305\u5728\u8def\u7531\u5668\u95f4\u4f20\u9012\u7f51\u7edc\u7684\u8def\u7531\u4fe1\u606f\uff0c\u4e3a\u8def\u7531\u8868\u7684\u5efa\u7acb\u63d0\u4f9b\u4fe1\u606f\u3002\u00a0<\/span><\/p>\n

2\u3001\u00a0\u8def\u7531\u8868\uff0c\u5b83\u4ece\u8def\u7531\u534f\u8bae\u90a3\u91cc\u63a5\u53d7\u4fe1\u606f\uff0c \u5e76\u4e3a\u8f6c\u53d1\u6570\u636e\u5305\u63d0\u4f9b\u6240\u9700\u8981\u7684\u4fe1\u606f\u3002\u00a0<\/span><\/p>\n

3\u3001\u00a0\u8f6c\u53d1\u8fc7\u7a0b\uff0c\u5b83\u4ece\u8def\u7531\u8868\u90a3\u91cc\u8bf7\u6c42\u6240\u9700\u8981\u4fe1\u606f\uff0c\u4e3a\u6b63\u786e\u8f6c\u53d1\u6570\u636e\u5305\u505a\u51fa\u51b3\u7b56\u3002\u00a0<\/span><\/p>\n

\n

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\n

\u26c5\u5efa\u7acb\u8def\u7531\u8868\u00a0<\/span><\/strong><\/span><\/p>\n

\n

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\n

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\n

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

\n

\u5047\u8bbe\u8def\u7531\u5668\u8fd0\u884cEIGRP \u3001OSPF\u3001RIP\u3001IGRP \u56db\u79cd\u8def\u7531\u534f\u8bae\uff0c\u5b83\u4eec\u90fd\u5f97\u5230\u4e86\u5230\u7f51\u7edc192.168.24.0\/24 \u7684\u8def\u7531\uff0c \u4f46\u53ea\u6709EIGRP\uff08 internal \uff09\u53ef\u5c06\u5176\u8def\u7531\u5b89\u88c5\u5230\u8def\u7531\u8868\u4e2d\uff0c\u56e0\u4e3a\u5176\u7ba1\u7406\u8ddd\u79bb\u503c\u6700\u5c0f\uff0c\u4f18\u5148\u6743\u6700\u9ad8\u3002<\/span><\/p>\n

\n

\u26c5\u5907\u4efd\u8def\u7531\u00a0<\/span><\/strong><\/p>\n

\n

\u5176\u4ed6\u534f\u8bae\u5bf9\u4e8e\u672a\u5b89\u88c5\u7684\u534f\u8bae\u600e\u4e48\u5904\u7406\uff1fEIGRP \u5b89\u88c5\u7684\u8def\u7531\u5931\u8d25\u4e86\u600e\u4e48\u529e\uff1f<\/span>\u5bf9\u6b64\u6709\u4e24\u79cd\u89e3\u51b3\u65b9\u6cd5\uff1a<\/span><\/p>\n

\u4e00\u662f\u6bcf\u4e2a\u8def\u7531\u534f\u8bae\u5468\u671f\u6027\u5730\u5c1d\u8bd5\u5b89\u88c5\u5b83\u4eec\u7684\u8def\u7531\u5230\u8def\u7531\u8868\u4e2d\uff0c\u5982\u679cEIGRP \u5b89\u88c5\u7684\u8def\u7531\u5931\u6548\u4e86\uff0cIGRP\u4f1a\u5c06\u5b83\u7684\u76f8\u5e94\u8def\u7531\u5b89\u88c5\u5230\u8def\u7531\u8868\u4e2d\u3002<\/span><\/p>\n

\n

\u53e6\u4e00\u4e2a\u529e\u6cd5\u662f\u5c06\u672a\u5b89\u88c5\u7684\u8def\u7531\u6302\u9760\u5728\u8def\u7531\u8868\u4e2d\uff0c\u5982\u679c\u5148\u524d\u5b89\u88c5\u7684\u8def\u7531\u5931\u6548\u4e86\uff0c\u5c06\u6302\u9760\u7684\u8def\u7531\u6b63\u5f0f\u5b89\u88c5\u5230\u8def\u7531\u8868\u4e2d\u3002<\/span><\/p>\n

\n

\u5bf9\u4e8e\u6ca1\u6709\u81ea\u8eab\u8def\u7531\u4fe1\u606f\u8868\u7684\u8def\u7531\u534f\u8bae\uff0c\u6bd4\u5982IGRP\uff0c\u5c06\u91c7\u53d6\u7b2c\u4e00\u79cd\u65b9\u6cd5\uff0c\u6bcf\u6b21\u6536\u5230\u8def\u7531\u66f4\u65b0\u90fd\u5c1d\u8bd5\u5b89\u88c5\u5230\u8def\u7531\u8868\u4e2d\u3002<\/span><\/p>\n

\n

\u5bf9\u4e8eEIGRP \u3001IS-IS \u3001OSPF\u3001BGP \u3001RIP \u8fd9\u6837\u7684\u6709\u81ea\u8eab\u8def\u7531\u4fe1\u606f\u8868\u7684\u8def\u7531\u534f\u8bae\uff0c\u5c06\u91c7\u53d6\u7b2c\u4e8c\u79cd\u529e\u6cd5\uff0c\u5b89\u88c5\u5931\u8d25\u7684\u8def\u7531\u5c06\u767b\u8bb0\u5728\u8def\u7531\u8868\u4e2d\uff0c\u5f53\u539f\u8def\u7531\u6761\u76ee\u5931\u6548\u65f6\uff0c\u5c06\u901a\u77e5\u505a\u767b\u8bb0\u7684\u8def\u7531\u534f\u8bae\u7684\u5904\u7406\u8fdb\u7a0b\u6765\u5b89\u88c5\u5b83\u4eec\u7684\u8def\u7531\uff0c\u5982\u679c\u6709\u591a\u4e2a\u8fdb\u7a0b\u6765\u5b89\u88c5\uff0c\u7ba1\u7406\u8ddd\u79bb\u5c0f\u7684\u534f\u8bae\u4f18\u5148\u3002<\/span><\/p>\n

\n

\u26c5\u8c03\u6574\u7ba1\u7406\u8ddd\u79bb\u503c\u00a0<\/span><\/strong><\/span><\/p>\n

\n

\u6539\u53d8\u8def\u7531\u534f\u8bae\u7684\u7f3a\u7701\u8ddd\u79bb\u503c\u662f\u6bd4\u8f83\u614e\u91cd\u7684\u52a8\u4f5c\uff0c\u6709\u53ef\u80fd\u5bfc\u81f4\u8def\u7531\u5faa\u73af\u6216\u5176\u4ed6\u5947\u602a\u7684\u95ee\u9898\uff0c\u5fc5\u987b\u975e\u5e38\u5c0f\u5fc3\uff01<\/span><\/p>\n

\n

\u5176\u547d\u4ee4\u4e3adistance \u540e\u8ddf\u5177\u4f53\u7684\u503c\u3002\u4e5f\u53ef\u4ee5\u53ea\u6539\u53d8\u4ece\u67d0\u4e00\u534f\u8bae\u5206\u5e03\u8fdb\u6765\u7684\u8def\u7531\u7684\u7ba1\u7406\u8ddd\u79bb\u503c\u3002\u5728\u9759\u6001\u8def\u7531\u7684\u6700\u540e\u4e5f\u53ef\u4ee5\u8ddf\u4e0a\u4e00\u4e2a\u503c\uff0c\u6539\u53d8\u539f\u6765\u7684\u7f3a\u7701\u503c1\u3002<\/span><\/p>\n

\n

\u26c5\u524d\u7f00\u957f\u5ea6<\/span><\/strong><\/p>\n

\n

\u4e0d\u540c\u524d\u7f00\u957f\u5ea6\u7684\u8def\u7531\u5c06\u89c6\u4e3a\u4e0d\u540c\u7684\u8def\u7531\uff0c\u5c06\u540c\u65f6\u5b89\u88c5\u5230\u8def\u7531\u8868\u4e2d\uff0c\u6bd4\u5982\u4e09\u4e2a\u8def\u7531\u534f\u8bae\u5206\u522b\u5f97\u5230\u4ee5\u4e0b\u8def \u7531\uff1a\u00a0<\/span><\/p>\n

\n

\n
    \n
  • \n

    EIGRP (internal): 192.168.32.0\/26<\/span><\/p>\n<\/li>\n

  • \n

    RIP: 192.168.32.0\/24
    <\/span><\/p>\n<\/li>\n

  • \n

    OSPF: 192.168.32.0\/19\u00a0<\/span><\/p>\n<\/li>\n<\/ul>\n<\/section>\n

    \u4e09\u4e2a\u8def\u7531\u7684\u524d\u7f00\u957f\u5ea6\uff08\u5b50\u7f51\u63a9\u7801\uff09\u4e0d\u540c\uff0c\u6240\u4ee5\u5f97\u5230\u4e0d\u540c\u76ee\u7684\u7f51\u7edc\u7684\u8def\u7531\uff0c\u540c\u65f6\u5b89\u88c5\u5230\u8def\u7531\u8868\u4e2d\u3002<\/span><\/p>\n

    \n

    \u26c5\u8f6c\u53d1\u51b3\u7b56\u00a0<\/span><\/strong><\/p>\n

    \n

    \u5148\u770b\u4e00\u4e0b\u8def\u7531\u5668\u521a\u624d\u5b89\u88c5\u7684\u4e09\u4e2a\u8def\u7531\u6761\u76ee\uff1a<\/span><\/p>\n

    router#show ip route
    <\/span><\/p>\n

    ….
    <\/span><\/p>\n

    D \u00a0192.168.32.0\/26 [90\/25789217] via 10.1.1.1
    <\/span><\/p>\n

    R \u00a0192.168.32.0\/24 [120\/4] via 10.1.1.2
    <\/span><\/p>\n

    O \u00a0192.168.32.0\/19 [110\/229840] via 10.1.1.3
    <\/span><\/p>\n

    \n

    \u5982\u679c\u76ee\u7684\u5730\u5740\u4e3a192.168.32.1 \uff0c\u5c06\u9009\u62e9\u54ea\u6761\u8def\u7531\u5462\uff1f\u8fd9\u4f9d\u8d56\u4e8e\u6240\u5339\u914d\u7684\u524d\u7f00\u957f\u5ea6\uff0c\u6700\u957f\u5339\u914d\u7684\u524d\u7f00\u957f\u5ea6\u4f18\u5148\u3002<\/span><\/p>\n

    \n

    \u5339\u914d\u662f\u7528\u8def\u7531\u6761\u76ee\u4e2d\u7684\u63a9\u7801\u4e0e\u76ee\u7684\u5730\u5740\u76f8\u4e0e\u540e\u518d\u4e0e\u7f51\u7edc\u5730\u5740\u6bd4\u8f83\uff0c\u76f8\u540c\u610f\u5473\u7740\u5339\u914d\u3002\u8be5\u5730\u5740\u4e0e\u8fd9 \u4e09\u6761\u8def\u7531\u90fd\u5339\u914d\uff0c\u4f46\u7b2c\u4e00\u6761\u5339\u914d\u7684\u8def\u7531\u524d\u7f00\uff0826\uff09\u6700\u957f\uff0c\u6240\u4ee5\u8be5\u5305\u5c06\u88ab\u8f6c\u53d1\u523010.1.1.1 \u3002
    <\/span><\/p>\n

    \n

    \u5982\u679c\u76ee\u7684\u5730\u5740\u4e3a192.168.32.100\uff0c\u5b83\u4e0e\u7b2c\u4e00\u6761\u8def\u7531\u4e0d\u5339\u914d\uff0c\u4e0e\u7b2c\u4e8c\u3001\u7b2c\u4e09\u6761\u8def\u7531\u5339\u914d\uff0c\u6240\u4ee5\u5c06\u88ab\u8f6c\u53d1\u5230 10.1.1.2\u3002<\/span><\/p>\n

    \n

    \u5177\u4f53\u7684\u8def\u7531\u67e5\u627e\u901f\u5ea6\u4f9d\u8d56\u4e8e\u8def\u7531\u8868\u7684\u7ed3\u6784\u4e0e\u786c\u4ef6\u901f\u5ea6\uff0c\u5982\u91c7\u7528\u4e8c\u53c9\u6811\u7ed3\u6784\u7684\u8def\u7531\u8868\uff0c\u90a3\u4e4832 \u4f4d\u7684 IP\u5730\u5740\u6700\u591a\u67e5\u627e32\u6b21\u5c31\u53ef\u4ee5\u51b3\u5b9a\u662f\u5426\u627e\u5230\u9002\u5e94\u7684\u8def\u7531\u6761\u76ee\u3002<\/span><\/p>\n

    \n

    \u26c5IP CLASSLESS\u00a0\u7684\u5f71\u54cd\u00a0<\/span><\/strong><\/p>\n

    \n

    \u8be5\u547d\u4ee4\u53ea\u5f71\u54cd\u8f6c\u53d1\u8fdb\u7a0b\uff0c\u4e0d\u5f71\u54cd\u8def\u7531\u8868\u7684\u5efa\u7acb\u3002\u770b\u4ee5\u4e0b\u7684\u4f8b\u5b50\uff1a<\/span><\/p>\n

    \n

    router#show ip route
    <\/span><\/p>\n

    ….
    <\/span><\/p>\n

    172.30.0.0\/16 is variablysubnetted, 2 subnets, 2 masks
    <\/span><\/p>\n

    D \u00a0 172.30.32.0\/20 [90\/4879540] via10.1.1.2
    <\/span><\/p>\n

    D \u00a0 172.30.32.0\/24[90\/25789217] via 10.1.1.1
    <\/span><\/p>\n

    S* \u00a0 0.0.0.0\/0 [1\/0] via 10.1.1.3
    <\/span><\/p>\n

    \n

    \u5047\u8bbe ip classless \u547d\u4ee4\u6ca1\u6709\u914d\u7f6e\uff0c\u90a3\u4e48\uff1a\u00a0<\/span><\/strong><\/p>\n

    \n

    \n
      \n
    • \n

      \u5230 172.30.32.1 \u7684\u5305\u88ab\u8f6c\u53d1\u523010.1.1.1\uff0c\u56e0\u4e3a\u8be5\u8def\u7531\u662f\u6700\u957f\u5339\u914d\u3002\u00a0<\/span><\/p>\n<\/li>\n

    • \n

      \u5230 172.30.33.1 \u7684\u5305\u88ab\u8f6c\u53d1\u523010.1.1.2\uff0c\u56e0\u4e3a\u8be5\u8def\u7531\u662f\u6700\u957f\u5339\u914d\u3002<\/span><\/p>\n<\/li>\n

    • \n

      \u5230192.30.32.1 \u7684\u5305\u88ab\u8f6c\u53d1\u523010.1.1.3\uff0c\u56e0\u4e3a\u65e0\u5bf9\u5e94\u7684\u7f51\u7edc\u8def\u7531\uff0c\u7528\u7f3a\u7701\u8def\u7531\u8f6c\u53d1\u3002<\/span><\/p>\n<\/li>\n

    • \n

      \u5230 172.30.100.1 \u7684\u5305\u65e0\u6cd5\u8f6c\u53d1\uff0c\u88ab\u4e22\u5f03\u3002\u4e3a\u4ec0\u4e48\u4e0d\u7528\u7f3a\u7701\u8def\u7531\uff1f\u56e0\u4e3a\u8be5\u76ee\u7684\u5730\u5740\u7684\u4e3b\u7f51\u7edc\u90e8\u5206\u5728\u8def\u7531\u8868\u4e2d\u5df2\u77e5\uff0c\u5e76\u6709\u5b50\u7f51\u8def\u7531\uff0c\u6545\u8def\u7531\u5668\u67e5\u627e\u5bf9\u5e94\u7684\u5b50 \u7f51\u8def\u7531\uff0c\u7ed3\u679c\u6ca1\u6709\u5339\u914d\u7684\u8def\u7531\uff0c\u6700\u7ec8\u4e22\u5f03\u8be5\u5305\u3002\u5982\u679c\u7528IP classless \u547d\u4ee4\u8fdb\u884c\u4e86\u914d\u7f6e\uff0c\u90a3\u4e48\u6700\u7ec8\u5c06\u5e94\u7528\u7f3a\u7701 \u8def\u7531\u5c06\u6570\u636e\u5305\u8f6c\u53d1\u523010.1.1.3\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/section>\n

      \u6570\u636e\u5305\u7684\u8f6c\u53d1\u51b3\u5b9a\u4f9d\u8d56\u4e8e\u4e09\u90e8\u5206\u7684\u8fdb\u7a0b\uff1a\u8def\u7531\u534f\u8bae\u3001\u8def\u7531\u8868\u3001\u5b9e\u9645\u7684\u8f6c\u53d1\u4ea4\u6362\uff0c\u8fd9\u4e09\u8005\u7684\u5173\u7cfb\u56fe\u793a\u5982\u4e0b\uff1a<\/span><\/p>\n

      \n

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

      \u9009\u62e9\u8def\u7531\u65f6\u91c7\u53d6\u6700\u957f\u5339\u914d\u7684\u539f\u5219\uff0c\u800c\u8def\u7531\u534f\u8bae\u5b89\u88c5\u8def\u7531\u7684\u4f18\u5148\u7ea7\u53d6\u51b3\u4e8e\u7ba1\u7406\u8ddd\u79bb\u503c\u3002<\/span><\/strong><\/p>\n

      \n

      \n
      \n
      \n
      \n
      <\/section>\n
      \n
      <\/div><\/section>\n
      <\/section>\n<\/section>\n
      <\/section>\n<\/section>\n
      \n
      \u8def\u7531\u9009\u62e9\u539f\u7406<\/strong><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

      \u26c5\u6700\u957f\u63a9\u7801\u5339\u914d<\/span><\/strong><\/p>\n

      \n

      l \u00a0\u4e3b\u673a\u5730\u5740<\/span><\/p>\n

      l \u00a0\u5b50\u7f51<\/span><\/p>\n

      l \u00a0\u4e00\u7ec4\u5b50\u7f51\uff08\u6c47\u603b\u8def\u7531\uff09<\/span><\/p>\n

      l \u00a0\u4e3b\u7c7b\u7f51\u7edc\u53f7\uff08ABC\u7c7b\uff09<\/span><\/p>\n

      l \u00a0\u8d85\u7f51\u6c47\u603b\uff08CIDR\uff09<\/span><\/p>\n

      l \u00a0\u7f3a\u7701\u5730\u5740\uff08\u9ed8\u8ba4\u8def\u7531\uff09<\/span><\/p>\n

      \n

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

      \u793a\u4f8b\uff1a<\/span><\/strong><\/p>\n

      \u53bb\u5f80172.16.10.1\uff0c\u5e94\u8be5\u88ab172.16.10.1\/32\u5339\u914d\u4f4f<\/span><\/p>\n

      \u53bb\u5f80172.16.10.2\uff0c\u5e94\u8be5\u88ab172.16.10.0\/30\u5339\u914d\u4f4f<\/span><\/p>\n

      \u53bb\u5f80172.16.10.100\uff0c\u5e94\u8be5\u88ab172.16.10.0\/24\u5339\u914d\u4f4f<\/span><\/p>\n

      \u53bb\u5f80172.16.20.1\uff0c\u5e94\u8be5\u88ab172.16.0.0\/16\u5339\u914d\u4f4f<\/span><\/p>\n

      \u53bb\u5f80172.17.20.1\uff0c\u5e94\u8be5\u88ab172.0.0.0\/8\u5339\u914d\u4f4f<\/span><\/p>\n

      \u53bb\u5f80192.168.10.1\uff0c\u5e94\u8be5\u88ab\u9ed8\u8ba4\u8def\u7531\u5339\u914d\u4f4f<\/span><\/p>\n

      \n

      show ip route<\/span><\/strong><\/p>\n

      4.0.0.0\/24 is subnetted, 1 subnets<\/span><\/p>\n

      S \u00a0 \u00a0 \u00a0 \u00a04.4.4.0 [1\/0] via 12.1.1.2<\/span><\/p>\n

      \n

      \u8def\u7531\u6807\u8bc6\uff1a\u4e5f\u53ef\u79f0\u4e3a\u8def\u7531\u6765\u6e90\uff0cS\u8868\u793a\u9759\u6001<\/span><\/p>\n

      \u76ee\u7684\u7f51\u7edc\u5730\u5740\uff1a4.4.4.0\/24\uff0c\u76ee\u7684\u7f51\u7edc\u5730\u5740<\/span><\/p>\n

      [1\/0] \u00a0 \u00a0 \u7ba1\u7406\u8ddd\u79bbAD\uff0c\u9759\u6001\u8def\u7531\u4e3a1 \uff0cMetric\u503c\uff0c\u9759\u6001\u8def\u75310<\/span><\/p>\n

      \n

      AD\uff1a\u7ba1\u7406\u8ddd\u79bb\uff0c\u7528\u4e8e\u786e\u5b9a\u8def\u7531\u534f\u8bae\u7684\u4f18\u5148\u7ea7<\/span><\/p>\n

      Metric\uff1a\u5ea6\u91cf\u503c\uff0c\u7528\u4e8e\u786e\u5b9a\u5230\u8fbe\u76ee\u7684\u7684\u6700\u4f73\u8def\u5f84<\/span><\/p>\n

      \n

      \u5404\u7c7b\u534f\u8bae\u7684\u7ba1\u7406\u8ddd\u79bb\uff1a<\/span><\/strong><\/p>\n

      \n

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

      \n

      R1#show ip route 1.1.1.1<\/span><\/p>\n

      Routing entry for 1.1.1.1\/32<\/span><\/p>\n

      Known via “connected”, distance 0, metric 0 (connected) \u00a0 \u76f4\u8fde\u8def\u7531<\/span><\/p>\n

      Routing Descriptor Blocks:<\/span><\/p>\n

      * directly connected, via Loopback0<\/span><\/p>\n

      Route metric is 0, traffic share count is 1<\/span><\/p>\n

      \n

      R1#show ip route 4.4.4.0<\/span><\/p>\n

      Routing entry for 4.4.4.0\/24<\/span><\/p>\n

      Known via “static”, distance 1, metric 0 \u00a0 \u00a0\u9759\u6001\u8def\u7531<\/span><\/p>\n

      Routing Descriptor Blocks:<\/span><\/p>\n

      * 12.1.1.2<\/span><\/p>\n

      Route metric is 0, traffic share count is 1<\/span><\/p>\n

      \n

      \u5168\u5c40\u6a21\u5f0f\u4e0b\uff0cshow ip protocols\u53ef\u4ee5\u67e5\u770b\u52a8\u6001\u8def\u7531\u534f\u8bae\u7684\u7ba1\u7406\u8ddd\u79bb<\/span><\/p>\n

      show ip protocols<\/span><\/strong><\/p>\n

      Routing Protocol is “ospf 1”<\/span><\/p>\n

      Outgoing update filter list for all interfaces is not set<\/span><\/p>\n

      Incoming update filter list for all interfaces is not set<\/span><\/p>\n

      Router ID 1.1.1.1<\/span><\/p>\n

      Number of areas in this router is 0. 0 normal 0 stub 0 nssa<\/span><\/p>\n

      Maximum path: 4<\/span><\/p>\n

      Routing for Networks:<\/span><\/p>\n

      Routing Information Sources:<\/span><\/p>\n

      Gateway \u00a0 \u00a0 \u00a0 \u00a0 Distance \u00a0 \u00a0 \u00a0Last Update<\/span><\/p>\n

      Distance: (default is 110)<\/span><\/p>\n

      \n

      \u5ea6\u91cf\u503c\u5206\u7c7b\uff1a<\/span><\/strong><\/p>\n

      \n

      l \u00a0\u5e26\u5bbd\uff0c\u8d1f\u8f7d\uff0c\u5ef6\u8fdf\uff0c\u53ef\u9760\u6027\uff0cEIGRP\u534f\u8bae\u4f7f\u7528<\/span><\/p>\n

      l \u00a0\u5f00\u9500 \uff0cOSPF\uff0cIS-IS\u534f\u8bae\u4f7f\u7528<\/span><\/p>\n

      l \u00a0\u8df3\u6570 \uff0cRIP\u534f\u8bae\u4f7f\u7528<\/span><\/p>\n

      \n

      \u9759\u6001\u8def\u7531\u914d\u7f6e\uff1a<\/span><\/strong><\/p>\n

      \n

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

      \n

      \u914d\u7f6e\u8981\u70b9\uff1a<\/span><\/strong><\/p>\n

      \n

      l \u00a0\u901a\u4fe1\u662f\u53cc\u5411\u7684\uff0c\u56e0\u6b64\u8981\u7559\u610f\u5f80\u8fd4\u6d41\u91cf<\/span><\/p>\n

      l \u00a0\u5c3d\u91cf\u914d\u7f6e\u4e0b\u4e00\u8df3IP\uff0c\u4e0d\u8981\u914d\u7f6e\u51fa\u63a5\u53e3\uff0c\u4f1a\u4ea7\u751fARP\u6d88\u606f\uff0c\u4f46\u53ef\u4ee5\u4e0b\u4e00\u8df3\u548c\u51fa\u63a5\u53e3\u4e00\u8d77\u914d\u7f6e\uff0c\u5982\uff1a<\/span><\/p>\n

      l ip route 192.168.23.0 255.255.255.0 s0\/0 192.168.12.2 \uff0c\u591a\u4e00\u4e2a\u8def\u7531\u5c5e\u6027\uff0c\u6bd4\u5982BFD\u68c0\u6d4b\uff0c\u8def\u7531\u7b56\u7565\u4f1a\u7528\u5230\u3002<\/span><\/strong><\/p>\n

      l \u00a0\u6ce8\u610f\u901a\u4fe1\u53cc\u65b9\u7684\u6e90\u5730\u5740\uff0c\u4ee5\u53ca\u76ee\u7684\u5730\u5740<\/span><\/p>\n

      l \u00a0\u8def\u7531\u9012\u5f52\u67e5\u8be2<\/span><\/p>\n

      \n

      \u4f55\u8c13\u8def\u7531\u9012\u5f52\uff1a<\/span><\/strong><\/p>\n

      \n

      \u5047\u8bbe\u4e0a\u9762\u7684\u56fe\u4f8b\uff0cR3\u540e\u9762\u8fd8\u6709\u4e00\u4e2a\u7f51\u6bb5\uff0c\u6bd4\u5982192.168.20.0\uff0c\u90a3\u4e48\u5728R1\u4e0a\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/span><\/p>\n

      ip route 192.168.20.0 255.255.255.0 192.168.23.3<\/span><\/strong><\/p>\n

      \n

      \u90a3\u4e48\u5f53R1\u6536\u5230\u4e00\u4e2a\u53bb\u5f80\u76ee\u7684\u7f51\u7edc192.168.20.0\/24\u7684\u6570\u636e\u5305\u65f6\uff0c\u5148\u67e5\u8def\u7531\u8868\uff0c\u53d1\u73b0\u6709\u53bb\u5f80\u8fd9\u4e2a\u76ee\u7684\u7f51\u7edc\u7684\u8def\u7531\uff0c<\/span><\/p>\n

      \u4f46\u53d1\u73b0\u4e0b\u4e00\u8df3\u8def\u7531\u5668\u662f192.168.23.3\uff0c\u8fd9\u65f6\u8def\u7531\u5668\u4f1a\u505a\u4e00\u4e2a\u64cd\u4f5c\uff0c\u8def\u7531\u9012\u5f52\u3002\u90a3\u5c31\u662f\u518d\u67e5\u8def\u7531\u8868\uff0c\u770b192.168.23.3<\/span><\/p>\n

      \u600e\u4e48\u53bb\uff0c\u53d1\u73b0\u53bb\u5f80192.168.23.3\uff0c\u6709\u8def\u7531\uff0c\u4e0b\u4e00\u8df3\u662f192.168.12.2\u3002<\/span><\/p>\n

      \n

      \u6d6e\u52a8\u9759\u6001\u8def\u7531\uff1a<\/span><\/strong><\/p>\n

      \n

      \u53bb\u5f80\u4e00\u4e2a\u76ee\u7684\u7f51\u6bb5\uff0c\u6709\u591a\u4e2a\u8def\u5f84\uff0c\u4e00\u6761\u4e3a\u4e3b\uff0c\u4e00\u6761\u4e3a\u5907<\/span><\/p>\n

      \u6307\u5b9a\u4e24\u4e2a\u4e0b\u4e00\u8df3\uff0c\u901a\u8fc7\u8c03\u6574AD\u503c\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0cAD\u503c\u5c0f\u7684\u8def\u7531\u52a0\u8868\uff0cAD\u503c\u5927\u7684\u5927\u7684\u9690\u85cf\u5728\u540e\u53f0\uff0c<\/span><\/p>\n

      \u5f53\u4e3b\u8def\u7531\u51fa\u73b0\u95ee\u9898\u65f6\u624d\u52a0\u5165\u8def\u7531\u8868\uff0c<\/span><\/p>\n

      ip route 192.168.23.0 255.255.255.0 192.168.12.2<\/span><\/p>\n

      ip route 192.168.23.0 255.255.255.0 192.168.12.3\u00a010 \u00a0 \u00a0\/\/AD\u8c03\u6574\u4e3a10<\/span><\/p>\n

      \n

      \u8d1f\u8f7d\u5747\u8861\uff1a<\/span><\/strong><\/p>\n

      \n

      \u53bb\u5f80\u4e00\u4e2a\u76ee\u7684\u7f51\u6bb5\uff0c\u6709\u591a\u4e2a\u8def\u5f84\uff0c\u8def\u7531\u7684AD\u503c\u4e00\u81f4\uff0cmetric\u503c\u4e5f\u4e00\u81f4\uff0c\u6d41\u91cf\u4e24\u6761\u94fe\u8def\u540c\u65f6\u8d70<\/span><\/p>\n

      ip route 192.168.23.0 255.255.255.0 192.168.12.2<\/span><\/p>\n

      ip route 192.168.23.0 255.255.255.0 192.168.12.3<\/span><\/p>\n

      \n

      \u6c47\u603b\u8def\u7531\uff1a<\/span><\/strong><\/p>\n

      \n

      \u6539\u53d8\u5b50\u7f51\u63a9\u7801\uff0c\u901a\u8fc7\u6c47\u603b\u8def\u7531\u5339\u914d\u660e\u7ec6\uff0c\u4ece\u800c\u7b80\u5316\u8def\u7531\u8868\uff0c\u51cf\u5c11\u914d\u7f6e\u91cf\u53ca\u8def\u7531\u8d1f\u5668\u8f7d<\/span><\/p>\n

      ip route 192.168.0.0 255.255.252.0 192.168.254.1<\/span><\/p>\n

      \n

      \u5b9e\u9645\u4e0a\u5339\u914d\u4e86\uff1a<\/span><\/strong><\/p>\n

      \n

      192.168.0.0\/24<\/span><\/p>\n

      192.168.1.0\/24<\/span><\/p>\n

      192.168.2.0\/24<\/span><\/p>\n

      192.168.3.0\/24<\/span><\/p>\n

      \n

      \u9ed8\u8ba4\u8def\u7531\uff1a<\/span><\/strong><\/p>\n

      \n

      \u5e38\u7528\u4e8e\u8fb9\u7f18\u8def\u7531\u5668\uff0c\u6bd4\u5982\uff0c\u6700\u5e95\u5c42\u63a5\u5165\u8def\u7531\u5668\uff0c\u6216\u8005\u51fa\u53e3\u8def\u7531\u5668<\/span><\/p>\n

      \u5339\u914d\u6240\u6709\u76ee\u7684\u7f51\u6bb5\uff0c<\/span><\/p>\n

      ip route 0.0.0.0 0.0.0.0 192.168.12.2<\/span><\/p>\n

      \n

      \u9ed1\u6d1e\u8def\u7531\uff1a<\/span><\/strong><\/p>\n

      \n

      \u5c06\u4e0d\u9700\u8981\u7684\u6d41\u91cf\u4e22\u5f03\u5230null 0\u63a5\u53e3\uff0cnull 0 \u662f\u8def\u7531\u7684\u4e00\u4e2a\u9ed1\u6d1e\u63a5\u53e3\uff0c<\/span><\/p>\n

      ip route 10.10.10.0 255.255.255.0 null \u00a00<\/span><\/p>\n

      \n

      loopback\u63a5\u53e3\uff1a<\/span><\/strong><\/p>\n

      \n

      l \u00a0\u4e5f\u53eb\u56de\u73af\u53e3\uff0c\u662f\u4e00\u4e2a\u903b\u8f91\u7684\u3001\u865a\u62df\u7684\u63a5\u53e3<\/span><\/p>\n

      l \u00a0\u4f7f\u7528\u5168\u5c40\u914d\u7f6e\u547d\u4ee4 interface looback x \u521b\u5efa<\/span><\/p>\n

      l \u00a0\u521b\u5efa\u5b8c\u6210\u540e\u5373\u53ef\u4e3a\u63a5\u53e3\u914d\u7f6eIP\u5730\u5740 \uff08\u53ef\u4ee5\u662f32\u4f4d\u7684IP\u5730\u5740\uff09<\/span><\/p>\n

      l \u00a0Looback \u63a5\u53e3\u521b\u5efa\u540e\uff0c\u9664\u975e\u4eba\u4e3ashutdown\uff0c\u5426\u5219\u4e0d\u4f1adown<\/span><\/p>\n

      \n

      \u4f5c\u7528\uff1a<\/span><\/strong><\/p>\n

      \n

      l \u00a0\u6a21\u62df\u8def\u7531\u5668\u7684\u76f4\u8fde\u7f51\u6bb5\uff0c\u7528\u4e8e\u6d4b\u8bd5<\/span><\/p>\n

      l \u00a0\u53ef\u7528\u4e8e\u8bbe\u5907\u7ba1\u7406\uff08Loopback\u63a5\u53e3\u6bd4\u8f83\u7a33\u5b9a\uff09<\/span><\/p>\n

      l \u00a0\u4f9b\u5176\u5b83\u534f\u8bae\u4f7f\u7528\u3002\u4f8b\u5982OSPF\u3001BGP\u3001MPLS\u7b49<\/span><\/p>\n

      l \u00a0\u5176\u4ed6\u7528\u9014\uff0c\u603b\u4e4b\u975e\u5e38\u5e7f\u6cdb<\/span><\/p>\n

      \n

      \u6848\u4f8b\u5206\u4eab\uff1a<\/span><\/strong><\/p>\n

      \n

      \u901a\u8fc7\u6d6e\u52a8\u9759\u6001\u8def\u7531\uff0c\u7ed3\u5408BFD\u53cc\u5411\u6280\u672f\u68c0\u6d4b\uff0c\u4fdd\u8bc1\u51fa\u53e3\u8def\u7531\u5197\u4f59\uff0c\u73af\u5883\u5982\u4e0b\uff1a<\/span><\/p>\n

      \n

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

      \u4ea4\u6362\u673a\u4e3a\u4e8c\u5c42\u4ea4\u6362\u673a<\/span><\/p>\n

      \n

      R5 IP\u5730\u5740\uff1a<\/span><\/strong><\/p>\n

      l loopback\uff1a5.5.5.5\/32<\/span><\/p>\n

      l E0\/1\uff1a100.1.1.5\/24<\/span><\/p>\n

      l E0\/3\uff1a200.1.1.5\/24<\/span><\/p>\n

      \n

      R6 IP\u5730\u5740\uff1a<\/span><\/strong><\/p>\n

      l loopback\uff1a6.6.6.6\/32<\/span><\/p>\n

      l E0\/0\uff1a100.1.1.6\/24<\/span><\/p>\n

      l E0\/2\uff1a200.1.1.6\/24<\/span><\/p>\n

      \n

      \u914d\u7f6e\u8981\u70b9\uff1a<\/span><\/strong><\/p>\n

      l \u00a0\u63a5\u53e3\u4e0b\u5f00\u542fBFD\u68c0\u6d4b\uff0cR5\uff0cR6\u90fd\u8981\u5f00\u542f\uff0c\u5e76\u4e14\u53c2\u6570\u4fdd\u6301\u4e00\u81f4\uff0c\u56e0\u4e3aBFD\u662f\u53cc\u5411\u68c0\u6d4b\u6280\u672f<\/span><\/p>\n

      l \u00a0\u914d\u7f6e\u9759\u6001\u8def\u7531\uff0c\u5fc5\u987b\u5e26\u4e0a\u51fa\u63a5\u53e3\u5b57\u6bb5\uff0c\u5426\u5219BFD\u65e0\u6cd5\u68c0\u6d4b<\/span><\/p>\n

      l \u00a0\u5c06\u9759\u6001\u8def\u7531\u4e0eBFD\u8fdb\u884c\u5173\u8054<\/span><\/p>\n

      \n

      \u67e5\u770b\uff1ashow bfd nei<\/span><\/strong><\/p>\n

      \n

      \u26c5\u52a8\u6001\u8def\u7531\u534f\u8bae<\/span><\/span><\/strong><\/p>\n

      \n

      \u901a\u8fc7\u5728\u8def\u7531\u5668\u4e4b\u95f4\uff0c\u8fd0\u884c\u52a8\u6001\u8def\u7531\u534f\u8bae\uff0c\u8d4b\u4e88\u8def\u7531\u5668\u52a8\u6001\u611f\u77e5\u7f51\u7edc\u53d8\u5316\uff0c\u4ee5\u53ca\u53d1\u73b0\u7f51\u7edc\u7684\u80fd\u529b\uff0c<\/span>\u5e76\u4e14\u5c06\u53d1\u73b0\u7684\u7f51\u7edc\u751f\u6210\u8def\u7531\u6761\u76ee\uff0c\u81ea\u52a8\u7684\u6dfb\u52a0\u5230\u672c\u5730\u8def\u7531\u8868\u4e2d\uff0c\u5e76\u8fdb\u884c\u7ef4\u62a4\u3002<\/span><\/p>\n

      \n

      \u52a8\u6001\u8def\u7531\u534f\u8bae\u5206\u7c7b<\/span><\/strong><\/p>\n

      \n

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

      \n

      \u8ddd\u79bb\u77e2\u91cf\u8def\u7531\u534f\u8bae\uff1a<\/span><\/strong><\/p>\n

      l \u00a0\u8ddd\u79bb\u77e2\u91cf\u8def\u7531\u534f\u8bae\uff0c\u4ed6\u5e76\u4e0d\u4e86\u89e3\u7f51\u7edc\u7684\u62d3\u6251<\/span><\/p>\n

      l \u00a0\u53ea\u77e5\u9053\u81ea\u8eab\u4e0e\u76ee\u7684\u7f51\u7edc\u4e4b\u95f4\u7684\u8ddd\u79bb<\/span><\/p>\n

      l \u00a0\u5e94\u8be5\u5f80\u90a3\u4e2a\u65b9\u5411\uff0c\u4ece\u54ea\u4e2a\u63a5\u53e3\u8f6c\u53d1\u6570\u636e<\/span><\/p>\n

      l \u00a0\u76f4\u63a5\u4f20\u9012\u8def\u7531\u6761\u76ee<\/span><\/p>\n

      l \u00a0\u5468\u671f\u6027\u7684\u66f4\u65b0\u81ea\u5df1\u6574\u5f20\u8def\u7531\u8868<\/span><\/p>\n

      l \u00a0\u8ddd\u79bb=\u6709\u591a\u8fdc\uff0c\u77e2\u91cf=\u65b9\u5411<\/span><\/p>\n

      \n

      \u94fe\u72b6\u6001\u8def\u7531\u534f\u8bae\uff1a<\/span><\/strong><\/p>\n

      l \u00a0\u4f20\u9012\u7684\u4e0d\u662f\u8def\u7531\u6761\u76ee\uff0c\u800c\u662f\u81ea\u5df1\u672c\u5730\u7684\u4e00\u4e9b\u94fe\u8def\u72b6\u6001\u7684\u4fe1\u606f<\/span><\/p>\n

      l \u00a0\u5168\u7f51\u90fd\u80fd\u591f\u6536\u96c6\u5230\u8fd9\u4e9b\u94fe\u8def\u4fe1\u606f\uff0c\u4e86\u89e3\u6574\u4e2a\u7f51\u7edc\u7684\u62d3\u6251\u60c5\u51b5<\/span><\/p>\n

      l \u00a0\u89e6\u53d1\u66f4\u65b0<\/span><\/p>\n

      \n

      \u6709\u7c7b\u8def\u7531\u534f\u8bae\uff1a<\/span><\/strong><\/p>\n

      \u5728\u8fdb\u884c\u8def\u7531\u66f4\u65b0\u7684\u65f6\u5019\u662f\u4e0d\u5e26\u63a9\u7801\u4fe1\u606f\uff1b<\/span><\/p>\n

      RIPv1\u3001 IGRP<\/span><\/p>\n

      \n

      \u65e0\u7c7b\u8def\u7531\u534f\u8bae\uff1a<\/span><\/strong><\/p>\n

      \u5728\u66f4\u65b0\u8def\u7531\u534f\u8bae\u7684\u65f6\u5019\uff0c\u5305\u542b\u7f51\u7edc\u524d\u7f00\u4ee5\u53ca\u5b50\u7f51\u63a9\u7801\uff0c\u66f4\u52a0\u7cbe\u51c6\u3002<\/span><\/p>\n

      RIPv2\u3001ISPF\u3001EIGRP\u3001IS-IS\uff0cBGP<\/span><\/p>\n

      \n

      \u26c5\u6709\u7c7b\u53ca\u65e0\u7c7b\u8def\u7531\u67e5\u627e\u533a\u522b<\/span><\/strong><\/span><\/p>\n

      \n

      \u65e0\u7c7b\u8def\u7531\uff08ip classless\uff0c\u9ed8\u8ba4\u6253\u5f00\uff09\uff1a<\/span><\/strong><\/p>\n

      \n

      \u8def\u7531\u5668\u4e0d\u4f1a\u6ce8\u610f\u76ee\u7684\u5730\u5740\u7684\u7c7b\u522b\uff0c\u5b83\u4f1a\u5728\u76ee\u7684\u5730\u5740\u548c\u672c\u8eab\u5df2\u77e5\u7684\u8def\u7531\u4e4b\u95f4\u8fdb\u884c\u9010\u4f4d\u6267\u884c\u6700\u957f\u5339\u914d\u3002<\/span><\/p>\n

      \n

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

      \n

      \u53bb\u5f80\u76ee\u7684IP\uff1a192.168.1.1\uff0c\u8d70F1\/0<\/span><\/p>\n

      \u53bb\u5f80\u76ee\u7684IP\uff1a192.168.1.33\uff0c\u8d70F0\/0<\/span><\/p>\n

      \n

      \u6709\u7c7b\u8def\u7531\uff08no ip classless\u6216ip classful\uff09\uff1a<\/span><\/strong><\/p>\n

      \n

      \u5f53\u8def\u7531\u5668\u6536\u5230\u4e00\u4e2a\u6570\u636e\u5305\u65f6\uff0c\u5148\u67e5\u770b\u76ee\u7684\u5730\u5740\u6240\u5c5e\u7684\u4e3b\u7c7b\u7f51\u7edc\u3002<\/span><\/p>\n

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

      \n

      \u53bb\u5f80\u76ee\u7684IP\uff1a192.168.1.1\uff0c\u4e3b\u7c7b\u7f51\u7edc\u662f192.168.1.0\/24<\/span><\/p>\n

      \u67e5\u5b50\u7f51\uff0c\u5339\u914d192.168.1.0\/27\uff0c\u6240\u4ee5\u8d70F1\/0<\/span><\/p>\n

      \n

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