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\uff081\uff09\u5b50\u7f51\u63a9\u7801<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

\u4e3e\u4f8b\uff1a202.100.1.33\u7684\u5b50\u7f51\u63a9\u7801\u4e3a255.255.255.0\uff0c\u7b97\u51fa\u5b83\u7684\u7f51\u7edc\u53f7\u3002<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

IP\u4e0e\u5b50\u7f51\u63a9\u7801\u5728\u5b9e\u9645\u4e2d\u7684\u7ed3\u5408\u8868\u793a\u65b9\u6cd5\u901a\u5e38\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\uff0c\u5341\u8fdb\u5236\u8868\u793a\u4e3a\uff1a255.255.255.0\uff0c\u6216\u8005\u659c\u7ebf\u8868\u793a\uff1a\/24\uff0c\u6bd4\u5982192.168.1.0\/24\u6216\u8005192.168.1.0\/255.255.255.0\u8fd9\u4e2a\u90fd\u662f\u8868\u793a192.168.1.0\u7f51\u6bb5\uff08\u7f51\u7edc\u53f7\u4e3a192.168.1\uff0c\u4e3b\u673a\u5730\u5740\u8303\u56f41~254\uff09<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\uff082\uff09VLSM\uff08\u53ef\u53d8\u957f\u5b50\u7f51\u63a9\u7801\uff09<\/span><\/p>\n

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\u00a0\u00a0<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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\uff081\uff09\u73b0\u5728\u5df2\u7ecf\u77e5\u9053\u7684\u662f\u6bcf\u4e2a\u90e8\u95e8\u7684\u7ec8\u7aef\u6570\u572850~60\u4e4b\u95f4\uff0c\u53d6\u6700\u5927\u503c60\uff0c\u8fd9\u4e2a\u65f6\u5019\u6709\u4e00\u4e2a\u516c\u5f0f\u8ba1\u7b97 2n<\/span>-2\u2265m\uff0cm=\u9700\u8981\u7684\u7ec8\u7aef\u6570\u91cf\uff0c\u4e5f\u5c31\u662f2n<\/span>-2\u226560\uff0c\u53ea\u6709n=6\u7684\u65f6\u5019\uff0c\u624d\u6ee1\u8db3\u8fd9\u4e2a\u6761\u4ef6\u3002\uff08\u6700\u57fa\u672c\u7684\u6570\u5b66\u516c\u5f0f\uff0c\u5b9e\u5728\u5fd8\u8bb0\u4e86\u53ef\u4ee5\u7528\u8ba1\u7b97\u5668\u3002\uff09<\/span><\/p>\n

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\u00a0<\/span><\/p>\n

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4\u3001\u901a\u8fc7\u8ba1\u7b97\u51fa\u6765\u7684\u5b50\u7f51\u53f7\uff0c\u4ece\u5c0f\u5230\u5927\u7684\u987a\u5e8f\uff0c\u5206\u914d\u7ed9\u4e09\u4e2a\u90e8\u5206\uff0c\u8fd9\u91cc\u5206\u914d202.100.1.0\/26\uff0c202.100.1.64\/26\uff0c202.100.1.128\/26\uff0c\u5269\u4e0b\u7684\u600e\u4e48\u8ba1\u7b97\u51fa\u6709\u591a\u5c11\u4e2a\u4e3b\u673a\u5730\u5740\u5176\u5b9e\u5c31\u5f88\u7b80\u5355\u7684\u3002<\/span><\/p>\n

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\u8fd8\u8bb0\u5f97\u4e0a\u9762\u7684\u516c\u5f0f2n<\/span>-2\uff0c\u51cf2\u7684\u539f\u56e0\u662f\u6709\u4e00\u4e2a\u7f51\u7edc\u5730\u5740\uff0c\u4e00\u4e2a\u5e7f\u64ad\u5730\u5740\uff0c\u8fd9\u4e24\u4e2a\u662f\u4e0d\u53ef\u7528\u7684\uff0c\u6240\u4ee5\u9700\u8981\u51cf\u53bb\uff0c\u6bcf\u4e2a\u5212\u5206\u7684\u5b50\u7f51\u90fd\u662f\u4e00\u6837\uff0c\u53ef\u80fd\u4f60\u4e5f\u53d1\u73b0\u4e86\u4e00\u4e2a\u7279\u70b9\uff0c\u5982\u679c\u5212\u5206\u7684\u5b50\u7f51\u8d8a\u591a\uff0c\u6bcf\u4e2a\u5b50\u7f51\u90fd\u9700\u8981\u51cf\u53bb2\u4e2a\u5730\u5740\uff0c\u8fd9\u90e8\u5206\u7684\u5730\u5740\u4e5f\u662f\u88ab\u6d6a\u8d39\u6389\u7684\uff0c\u4f46\u662f\u8fd9\u4e5f\u662f\u4e00\u4e2a\u65e0\u5948\u7684\u9009\u62e9\uff0c\u76f8\u6bd4\u6d6a\u8d39\u66f4\u591a\u5730\u5740\u6765\u8bf4\uff0c\u8fd9\u79cd\u60c5\u51b5\u8fd8\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002\u53e6\u5916\u8ba1\u7b97\u51fa\u6700\u5c0f\u53ef\u7528\u5730\u5740\u4e0e\u6700\u5927\u53ef\u7528\u5730\u5740\uff0c\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\uff0c\u53ef\u4ee5\u8ddf\u4e0a\u9762\u4e00\u6837\u628a\u4e8c\u8fdb\u5236\u5217\u51fa\u6765\uff0c\u6700\u5c0f\u4f4d\u65e0\u975e\u662f\u51680\uff08\u7f51\u7edc\u5730\u5740\uff09\uff0c\u6700\u5927\u4f4d\u51681\uff08\u5e7f\u64ad\u5730\u5740\uff09\uff0c\u53bb\u6389\u8fd92\u4e2a\u5730\u5740\uff0c\u5269\u4e0b\u7684\u5c31\u662f\u53ef\u7528\u8303\u56f4\u4e86\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u4e3e\u4f8b\u4e8c<\/span>\uff1a<\/span><\/strong>\u67d0\u4e2a\u516c\u53f8\u6709180\u4e2a\u4eba\uff0c\u9500\u552e\u90e8 110\u4eba\uff0c\u6280\u672f\u90e8 55\u4eba\uff0c\u7ba1\u7406\u90e8\u95e8 10\u4eba \uff0c\u8d22\u52a1\u90e8 5\u4eba\uff0c\u8fd8\u662f\u91c7\u7528202.100.1.0\/24\u7684\u7f51\u6bb5\u5212\u5206\uff0c\u8fd9\u4e2a\u8ddf\u7b2c\u4e00\u4e2a\u4e0d\u4e00\u6837\uff0c\u7b2c\u4e00\u4e2a\u6bcf\u4e2a\u90e8\u95e8\u7684\u6570\u91cf\u4e00\u6837\u7684\uff0c\u800c\u8fd9\u4e2a\u5219\u4e0d\u4e00\u6837\uff0c\u6bcf\u4e2a\u90e8\u95e8\u7684\u4eba\u6570\u4e0d\u4e00\u6837\uff0c\u8fd9\u4e2a\u65f6\u5019\u5212\u5206\uff0c\u4ece\u6700\u5927\u9700\u6c42\u7684\u4eba\u6570\u5f00\u59cb\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

1\u3001\u6309\u7167\u9700\u6c42\u6570\u91cf\uff0c\u4ece\u5730\u5740\u9700\u6c42\u5927\u5230\u5c0f\u5f00\u59cb\u8fdb\u884c\u5212\u5206\uff0c\u5148\u8ba1\u7b97\u9500\u552e\u90e8\uff0c\u516c\u5f0f\u8fd8\u662f\u4e4b\u524d\u76842n<\/span>-2\u2265m\uff0cm=\u9700\u8981\u7684\u7ec8\u7aef\u6570\u91cf\uff0c\u4e5f\u5c31\u662f2n<\/span>-2\u2265110\uff0cN=7\uff0c\u540c\u6837\u7684\u65b9\u6cd5\u4ee3\u5165\uff0c\u8ba1\u7b97\u51fa \u6280\u672f\u90e8 N=6\uff0c\u7ba1\u7406\u90e8\u95e8 N=4\uff0c\u8d22\u52a1\u90e8\u95e8 N=3<\/span><\/p>\n

\u00a0<\/span><\/p>\n

2\u3001\u5404\u4e2a\u90e8\u95e8\u7684\u7f51\u7edc\u4f4d\uff0c\u9500\u552e\u90e8 32-7=25\u4f4d \uff08255.255.255.128\uff09\uff0c\u6280\u672f\u90e832-6=26\u4f4d\uff08255.255.255.192\uff09\uff0c\u7ba1\u7406\u90e8\u95e8 32-4=28\u4f4d\uff08255.255.255.240\uff09\uff0c\u8d22\u52a1\u90e8\u95e832-3=29\u4f4d\uff08255.255.255.248\uff09<\/span><\/p>\n

\u00a0<\/span><\/p>\n

3\u3001\u5f00\u59cb\u8fdb\u884c\u5212\u5206\uff0c\u5206\u914d\u4ece\u6700\u5927\u7684\u5f00\u59cb\uff0c7\u4e2a\u4e3b\u673a\u4f4d\uff0c\u501f\u53d6\u4e00\u4f4d\u505a\u5b50\u7f51\u4f4d<\/span><\/p>\n

 <\/p>\n

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

4\u3001\u7b2c\u4e00\u4e2a\u5b50\u7f51\u5360\u7528\u4e861~127\u7684\u5730\u5740\uff0c\u867d\u7136\u9700\u6c42\u91cc\u9762\u53ea\u9700\u8981110\u4e2a\uff0c\u4f46\u662fVLSM\u662f\u6ca1\u6cd5\u505a\u5230\u6b63\u597d\u7684\uff0c\u53ea\u80fd\u505a\u5230\u79bb110\u9700\u6c42\u6700\u8fd1\u7684\uff0c\u90a3\u4e48\u5728\u5212\u5206\u7b2c\u4e8c\u4e2a\u5b50\u7f51\u7684\u65f6\u5019\uff0c\u9700\u8981\u8ddf\u7b2c\u4e00\u4e2a\u5b50\u7f51\u4e0d\u91cd\u590d\u3002<\/span><\/p>\n

\u7b2c\u4e00\u4e2a\u5df2\u7ecf\u4f7f\u7528\u4e86202.100.1.0\/25\uff0c\u8fd8\u5269\u4e0b202.100.1.128\/25\u6ca1\u6709\u5212\u5206\uff0c\u7b2c\u4e8c\u4e2a\u5b50\u7f51\u5c31\u4ece\u8fd9\u4e2a\u91cc\u9762\u7ee7\u7eed\u5f00\u59cb\u5212\u5206\u3002\uff08\u4e3b\u673a\u6570\u5df2\u7ecf\u5728\u7b2c\u4e00\u4e2a\u6b65\u9aa4\u4e0e\u7b2c\u4e8c\u4e2a\u6b65\u9aa4\u8ba1\u7b97\u51fa\u6765\u4e86\uff0c\u6280\u672f\u90e8\u4e3b\u673a\u53f7\u9700\u89816\u4f4d<\/span>\uff09<\/span><\/p>\n

 <\/p>\n

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

\u540c\u6837\u7684\u65b9\u6cd5\uff0c\u7b2c\u4e8c\u4e2a\u5b50\u7f51\u7f51\u6bb5\u4f7f\u7528\u4e86202.100.1.128\/26\uff0c\u8fd8\u5269\u4e0b202.100.1.192\/26\uff0c\u7ba1\u7406\u90e8\u95e8\u63a5\u7740\u5212\u5206\u3002<\/span><\/p>\n

 <\/p>\n

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

\u5728\u7528\u540c\u6837\u7684\u65b9\u6cd5\uff0c\uff0c\u7b2c\u4e09\u4e2a\u5b50\u7f51\u7f51\u6bb5\u7528\u4e86202.100.1.192\/28\uff0c\u8fd8\u4e09\u4e2a\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\uff0c\u4f7f\u7528\u6700\u5c0f\u7684\uff0c202.100.1.208\/28\uff0c\u8ba1\u7b97\u51fa\u8d22\u52a1\u90e8\u95e8\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

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

\u81f3\u6b64\uff0cVLSM\u5c31\u5230\u5728\u8fd9\u91cc\u7ed3\u675f\u4e86\uff0c\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\uff0c\u53ea\u8981\u638c\u63e1\u4e86\u8fd9\u4e2a\u5212\u5206\u7684\u65b9\u6cd5\u5c31\u884c\u4e86\uff0c\u77e5\u9053\u600e\u4e48\u53bb\u5212\u5206\uff0c\u8ba1\u7b97\uff0c\u8fd9\u4e2a\u8981\u719f\u7ec3\u7684\u8bdd\u5c31\u5f97\u591a\u53bb\u7ec3\u4e60\uff0c\u4f46\u662f\u8fd9\u91cc\u535a\u4e3b\u8bf4\u4e0b\uff0c\u8fd9\u79cd\u5212\u5206\u65b9\u5f0f\u5728\u6211\u4eec\u5de5\u4f5c\u4e2d\u5728\u8fd0\u8425\u5546\u8fd0\u7ef4\u4ee5\u53ca\u91d1\u878d\u3001\u653f\u4f01\u8fd9\u4e9b\u7f51\u7edc\u4e2d\u5bf9\u4e8e\u5730\u5740\u7684\u8303\u56f4\u4ee5\u53ca\u89c4\u5212\u6709\u4e25\u683c\u7684\u5212\u5206\u8981\u6c42\uff0c\u7ecf\u5e38\u4f1a\u7528\u5230VLSM\uff0c\u800c\u5e38\u89c1\u7684\u5927\u90e8\u5206\u9762\u5411\u4e2d\u5c0f\u578b\u4f01\u4e1a\u7f51\u7684\u73af\u5883\uff0c\u5bf9\u4e8e\u5730\u5740\u800c\u8a00\u5c31\u6ca1\u8fd9\u4e48\u4e25\u683c\u7684\u8981\u6c42\u4e86\uff0c\u53ef\u80fd\u66f4\u591a\u7684\u8fd9\u79cd\u9700\u6c42\u5728\u9762\u8bd5\u6216\u8005\u662f\u9898\u76ee\u4e2d\u4f1a\u7ecf\u5e38\u770b\u5230\uff0c\u8fd9\u4e2a\u5728\u5f85\u4f1a\u4e86\u89e3\u5b8c\u79c1\u7f51\u5730\u5740\uff0c\u535a\u4e3b\u4f1a\u4ee5\u5b9e\u9645\u73af\u5883\u6765\u4ecb\u7ecd\u3002<\/span><\/p>\n

\uff083\uff09CIDR\uff08\u65e0\u5206\u7c7b\u57df\u95f4\u8def\u7531\u6216\u8005\u65e0\u5206\u7c7b\u7f16\u5740\uff09<\/span><\/p>\n

\u00a0\u4ece\u4e0a\u9762\u4e24\u4e2a\u4e3e\u4f8b\u53ef\u4ee5\u770b\u51fa\u6765\uff0cVLSM\u662f\u5c06\u4e00\u4e2a\u5927\u7684\u7f51\u6bb5\u5212\u5206\u6210\u591a\u4e2a\u5c0f\u7684\u5b50\u7f51\uff0c\u8ba9\u5730\u5740\u9700\u6c42\u5c11\u7684\u7528\u6237\u83b7\u53d6\u76f8\u8fd1\u6570\u91cf\u7684\u5730\u5740\uff0c\u907f\u514d\u6d6a\u8d39\uff0c\u5b83\u7684\u6838\u5fc3\u7406\u5ff5\u5c31\u662f\u4ece\u4e3b\u673a\u53f7\u8fdb\u884c\u501f\u4f4d\uff0c\u53d8\u6210\u5b50\u7f51\u53f7\u3002\u90a3CIDR\u6b63\u597d\u76f8\u53cd\uff0c\u6765\u770b\u4e00\u4e2a\u4f8b\u5b50\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u4f8b\u5b50<\/span>\uff1a<\/span><\/strong>\u67d0\u4e2a\u516c\u53f8\u529e\u516c\u7f51200\u4eba\uff0c\u7528\u4e86\u4e00\u4e2a192.168.100.0\/24\u7684\u7f51\u6bb5\uff0c\u6709\u4e00\u4e2a\u76d1\u63a7\u7f51\u7edc\uff0c\u5305\u542b\u4ed3\u5e93\u3001\u529e\u516c\u4ee5\u53ca\u5404\u4e2a\u533a\u57df\u6709500\u4e2a\u6444\u50cf\u5934\u70b9\u4f4d\uff0c\u4e3a\u4e86\u65b9\u4fbf\u7ba1\u7406\uff0c\u5e0c\u671b\u8fd9500\u4e2a\u6444\u50cf\u5934\u90fd\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\u5185\uff0c\u8fd9\u4e2a\u65f6\u5019\u8be5\u600e\u4e48\u5904\u7406\u5462\uff1f<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u4ece\u4e4b\u524d\u5b66\u5230\u7684\u5185\u5bb9\u6765\u8bf4\uff0cVLSM\u5e76\u4e0d\u5177\u5907\u8fd9\u4e2a\u529f\u80fd\uff0c\u53ea\u80fd\u5c06\u4e00\u4e2a\u539f\u6709\u7684\u7f51\u6bb5\u5212\u5206\u6210\u591a\u4e2a\u5c0f\u7684\u5b50\u7f51\u7f51\u6bb5\uff0c\u800c\u4e00\u4e2a\u6807\u51c6C\u7c7b\/24\u7684\u5730\u5740\u6700\u591a\u4e5f\u5c31254\u4e2a\uff0c\u5982\u679c\u75282\u4e2aC\u7c7b\u5730\u5740\uff0c\u786e\u5b9e\u53ef\u4ee5\u8fbe\u5230500\u4e2a\u7684\u9700\u6c42\uff0c\u4f46\u662f\u4e0d\u5c5e\u4e8e\u540c\u4e00\u4e2a\u7f51\u6bb5\u4e86\uff0c\u5982\u679c\u80fd\u628a\u8fd92\u4e2aC\u7c7b\u5730\u5740\u5408\u5e76\u5230\u4e00\u8d77\uff0c\u53d8\u6210\u4e00\u4e2a\u7f51\u6bb5\uff0c\u8fd9\u6837\u5730\u5740\u591f\u4e86\uff0c\u53c8\u6ee1\u8db3\u4e86\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\u7684\u9700\u6c42\uff0cCIDR\u5c31\u662f\u89e3\u51b3\u8fd9\u6837\u7684\u573a\u666f\u7684\uff0c\u5047\u8bbe\u5206\u914d\u7684\u7f51\u6bb5\u662f192.168.0.0\/24\uff0c\u60f3\u4e3b\u673a\u4f4d\u53ef\u5bb9\u7eb3500\u4e2a\u5730\u5740\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u5148\u56de\u987e\u4e0b\uff0c\u4e00\u4e2a\u7f51\u6bb5\u7684\u5224\u65ad\u662f\u7f51\u7edc\u53f7<\/span>\u76f8\u540c\uff0c\u4e3b\u673a\u53f7\u53ef\u53d8\uff0c\u5982\u679c\u8981\u6ee1\u8db3500\u4e2a\u5730\u5740\uff0c\u90a3\u662f\u4e0d\u662f\u4e3b\u673a\u53f72n<\/span>-2\u2265500\u5373\u53ef\uff0cN=9\uff0c\u7136\u540e\u752832-9=23\u4f4d\uff08255.255.254.0\uff09\uff0c\u76f8\u5f53\u4e8e\u50cf\u7f51\u7edc\u4f4d\u501f\u4e00\u4f4d\u4f5c\u4e3a\u4e3b\u673a\u4f4d\u4f7f\u7528\uff0c\u8ddfVLSM\u6b63\u597d\u76f8\u53cd\u3002<\/span><\/p>\n

\n

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CIDR\u540e\uff0c\u76f8\u5f53\u4e8e\u6700\u7ec8\u7684\u7f51\u6bb5\u5219\u662f192.168.0.0\/255.255.254.0\uff0823\uff09\uff0c\u53ef\u7528\u5730\u5740\u4e3a192.168.0.1\u5230192.168.1.254\uff0c\u90a3\u4e48\u8fd9\u91cc\u770b\u4e00\u4e2a\u6bd4\u8f83\u6709\u8da3\u7684\u4e8b\u60c5\uff0c\u50cf192.168.0.255\u3001192.168.1.0\uff0c\u5982\u679c\u6309C\u7c7b\u6807\u51c624\u4f4d\u63a9\u7801\uff0c\u5b83\u660e\u663e\u662f\u4e00\u4e2a\u7f51\u7edc\u5730\u5740\u4ee5\u53ca\u5e7f\u64ad\u5730\u5740\uff0c\u8fd9\u4e5f\u662f\u5f88\u591a\u9762\u8bd5\u6216\u8005\u9898\u76ee\u91cc\u9762\u7ecf\u5e38\u4f1a\u95ee\u5230\u7684\uff0c\u5b83\u5c31\u7ed9\u4f60\u8fd9\u4e48\u4e00\u4e2a\u5730\u5740\uff0c\u95ee\u4f60\u662f\u662f\u4e0d\u662f\u5e7f\u64ad\u5730\u5740\u6216\u8005\u7f51\u7edc\u5730\u5740\uff0c\u5f88\u591a\u670b\u53cb\u5c31\u4f1a\u5ffd\u7565\u540e\u9762\u7684\u5b50\u7f51\u63a9\u7801\uff0c\u5c31\u76f4\u63a5\u9009\u62e9\u662f\uff0c\u4f46\u662f\uff0c\u5b9e\u9645\u4e0a\u4e00\u5b9a\u8981\u770b\u5b50\u7f51\u63a9\u7801\u662f\u591a\u5c11\uff0c\u5982\u679c\u5b83\u662f24\u4f4d\u7684\u63a9\u7801\uff0c\u90a3\u786e\u5b9e\u662f\uff0c\u4f46\u662f\u5982\u679c\u662f23\u6216\u800522\u7b49\u63a9\u7801\uff0c\u5c31\u4e0d\u662f\u4e86\uff0c\u901a\u8fc7\u4e0a\u9762\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\uff0c\u6700\u5c0f\u7684\u4e3b\u673a\u4f4d\u662f192.168.0 0 0 0 0 0 0 0. 0 0 0 0 0 0 0 0\uff08192.168.0.0\uff09<\/span>\uff0c\u6700\u5927\u7684\u4e3b\u673a\u4e3a\u662f192.168.0 0 0 0 0 0 0 1\uff0c1 1 1 1 1 1 1 1\uff08192.168.1.255\uff09<\/span>\uff0c192.168.0.255\u4ee5\u53ca192.168.1.0\u5728\u5b50\u7f51\u63a9\u7801255.255.254.0\u4e2d\uff0c\u65e2\u4e0d\u662f\u7f51\u7edc\u5730\u5740\u4e5f\u4e0d\u662f\u5e7f\u64ad\u5730\u5740\uff0c\u800c\u662f\u53ef\u7528\u7684\u5730\u5740\u3002<\/span><\/p>\n

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

CIDR\u6709\u4e00\u4e2a\u7279\u522b\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9\uff0c\u5c31\u662f\u7f51\u7edc\u53f7\u8981\u4fdd\u6301\u76f8\u540c\uff0c\u8fd9\u4e2a\u4e5f\u597d\u5f88\u7406\u89e3\uff0c\u5c31\u50cf\u4e0a\u9762\u4e00\u4e2a\u8981\u6c42500\u4e2a\u5730\u5740\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\uff0c\u540c\u4e00\u4e2a\u7f51\u6bb5\u7684\u5224\u65ad\u4e0d\u5c31\u662f\u7f51\u7edc\u53f7\u76f8\u540c\u5417\uff1f\u6240\u4ee5\u5728\u89c4\u5212\u7684\u65f6\u5019\u8981\u6ce8\u610f\uff0c\u4e0d\u80fd\u5c06192.168.0.0\/24\u4e0e192.168.2.0\/24\uff0c\u5408\u5e76\u6210\u4e00\u4e2a\u7f51\u6bb5\uff0c\u7528500\u4e2a\u5730\u5740\uff0c\u56e0\u4e3a\u5b83\u5f97\u5230\u7684\u7f51\u7edc\u53f7\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u5982\u679c\u8981\u5c060.0\u4e0e2.0\u5728\u4e00\u4e2a\u7f51\u6bb5\uff0c\u90a3\u5219\u5fc5\u987b\u5728\u501f\u4f4d\u3002<\/span><\/p>\n

\n

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

 <\/p>\n

\u53ea\u6709\u7f51\u7edc\u53f7\u4fdd\u6301\u4e00\u6837\u4e86\uff0c\u624d\u80fd\u7ee7\u7eed\u8fdb\u884c\u4e0b\u4e00\u6b65\uff0c\u4f46\u662f\u4f60\u4f1a\u53d1\u73b0\uff0c\u8fd9\u6837\u7684\u8bdd\u5730\u5740\u5c31\u4e0d\u53ea500\u4e2a\u4e86\uff0c\u5305\u542b\u56db\u4e2a\u7ec4\u54080\u7f51\u6bb5\uff080 0=0\uff091\u7f51\u6bb5\uff080 1 =1\uff09\uff0c2\u7f51\u6bb5\uff081 0=2\uff09\uff0c3\u7f51\u6bb5\uff081 1=3\uff09\uff0c\u5730\u5740\u5c31\u53d8\u6210\u4e862^10-2=1022\u4e2a\u4e3b\u673a\u5730\u5740\u3002<\/span><\/p>\n

 <\/p>\n

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

 <\/p>\n

CIDR\u8fd8\u6709\u805a\u5408\u7684\u4f5c\u7528\uff0c\u628a\u76f8\u7f51\u7edc\u53f7\u7684\u7f51\u6bb5\u8fdb\u884c\u5408\u5e76\uff0c\u53d8\u6210\u4e00\u4e2a\u8d85\u7f51\uff08\u5927\u7684\u7f51\u6bb5\uff09\uff0c\u53ef\u4ee5\u5927\u5927\u7684\u51cf\u5c11\u8def\u7531\u5668\u7684\u538b\u529b\uff0c\u5bf9\u4e8e\u6570\u636e\u5305\u7684\u8f6c\u53d1\u6548\u7387\u66f4\u9ad8\uff0c\u8fd9\u4e00\u5757\u5728\u5b66\u4e60\u8def\u7531\u77e5\u8bc6\u70b9\u7684\u65f6\u5019\u4f1a\u6d89\u53ca\u5230\uff0c\u8fd9\u91cc\u5c31\u63d0\u4e00\u4e0b\u3002<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u5c0f\u7ecf\u9a8c\u5206\u4eab\uff1a<\/span><\/p>\n

    \n
  • CIDR\u5728\u5b9e\u9645\u4e2d\u7528\u7684\u975e\u5e38\u591a\uff0c\u6bd4\u5982\u5728\u4e00\u4e2a\u5546\u573a\u7684\u7f51\u7edc\u90e8\u7f72\u4e2d\uff0c\u6bcf\u4e2a\u4eba\u8d1f\u8d23\u7684\u4e0d\u4e00\u6837\uff0c\u53ef\u80fdA\u8d1f\u8d23\u7f51\u7edc\u8bbe\u5907\u7684\u89c4\u5212\u8ddf\u6253\u901a\uff0cB\u8d1f\u8d23\u76d1\u63a7\u8fd9\u5757\uff0c\u8fd9\u65f6\u5019B\u8dd1\u8fc7\u6765\u8ddfA\u8bf4\uff0c\u76d1\u63a7\u8fd9\u5757\u6211\u9700\u8981500\u4e2a\u5730\u5740\u6216\u80051000\u4e2a\u5730\u5740\uff0c\u89c4\u5212\u5730\u5740\u7684\u65f6\u5019\u5355\u72ec\u5e2e\u6211\u5212\u5206\u51fa\u6765\u4e00\u4e2a\u8fd9\u6837\u7684\u7f51\u6bb5\u7ed9\u76d1\u63a7\u7528\uff0c\u544a\u8bc9\u6211\u8303\u56f4\u5c31\u884c\uff0c\u8fd9\u4e2a\u5c31\u662f\u4e0a\u9762\u4ecb\u7ecd\u7684\u7ed9\u4e88\u4e00\u4e2a192.168.0.0\/23\u6216\u8005192.168.0.0\/22\u7684\u7f51\u6bb5\u4e86\u3002\u5728\u65e0\u7ebf\u73af\u5883\u4e5f\u5f88\u591a\u8fd9\u6837\u7684\u9700\u6c42\uff0c\u7279\u522b\u6d41\u52a8\u6027\u5927\u7684\u516c\u5171\u573a\u6240\uff0c\u4e3a\u4e86\u5730\u5740\u591f\u7528\uff0c\u6709\u65f6\u5019\u4e5f\u4f1a\u5212\u5206\u4e00\u4e2a\u5927\u7684\u7f51\u6bb5\uff0c\u907f\u514d\u5730\u5740\u4e0d\u591f\u7684\u60c5\u51b5\u51fa\u73b0\u3002<\/span><\/li>\n
  • CIDR\u7528\u591a\u4e86\u4f60\u5c31\u4f1a\u8d8a\u6765\u8d8a\u6709\u7ecf\u9a8c\u4e86\uff0c\u6bd4\u5982\u4e00\u4e2a\/24\u7684C\u7c7b\u6807\u51c6\u5730\u5740\uff0c\u5b50\u7f51\u63a9\u7801\u501f\u4e00\u4f4d\uff08\u5f80\u5de6\u79fb\u4e00\u4f4d\uff09\uff0c\u80fd\u591f\u5c06\u4e24\u4e2a\u7f51\u6bb5\u5408\u5e76\u6210\u4e00\u4e2a\u5927\u7684\uff0c\u5982\u679c\u501f2\u4f4d\uff08\u5f80\u5de6\u79fb\u52a8\u4e24\u4f4d\uff09\uff0c\u80fd\u591f\u5c064\u4e2a\u7f51\u6bb5\u5408\u5e76\uff0c\u501f\u4e09\u4f4d\u80fd\u591f\u5408\u5e76\u516b\u4e2a\u7f51\u6bb5\uff0c\u4f9d\u6b21\u8fd9\u6837\u7c7b\u63a8\uff0c\u90a3\u4e48\u5728\u5b9e\u9645\u4e2d\u5b8c\u5168\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u573a\u666f\u9700\u6c42\uff0c\u6765\u8fdb\u884c\u89c4\u5212\u7f51\u6bb5\u5bb9\u7eb3\u591a\u5c11\u5730\u5740\uff0c\u6765\u6ee1\u8db3\u5ba2\u6237\u7684\u9700\u6c42\u3002<\/span><\/li>\n<\/ul>\n

    \uff084\uff09\u516c\u7f51\u4e0e\u79c1\u7f51\u5730\u5740<\/span><\/p>\n

    \u968f\u7740IP\u5730\u5740\u7684\u65e9\u671f\u89c4\u5212\u5e26\u6765\u7684\u95ee\u9898\uff0c\u65e9\u671f\u5df2\u7ecf\u6709\u5927\u91cf\u7684A\u7c7b\u5730\u5740\u88ab\u5206\u914d\u51fa\u53bb\uff0cA\u7c7b\u5730\u5740\u5c31\u5360\u7528\u4e86\u6574\u4e2aIP\u5730\u5740\u4e2d\u7684\u4e8c\u5206\u4e4b\u4e00\uff0c\u53c8\u65e0\u6cd5\u6536\u56de\uff0c\u5bfc\u81f4\u53ea\u6709B\u4e0eC\u7c7b\u53ef\u4ee5\u5206\u914d\uff0c\u867d\u7136\u6709\u4e86VLSM\u4ee5\u53caCIDR\u6280\u672f\u7684\u65b9\u6848\uff0c\u4f46\u662f\u4e5f\u53ea\u80fd\u7f13\u89e3IP\u5730\u5740\u67af\u7aed\u7684\u901f\u5ea6\uff0c\u4e8e\u662f\u63d0\u51fa\u4e86\u4e00\u4e2a\u6982\u5ff5\uff0c\u79c1\u7f51\u5730\u5740\u3002<\/span><\/p>\n

    \u00a0<\/span><\/p>\n

    \u4e4b\u524d\u63d0\u5230\u8fc7IP\u5730\u5740\u5728\u4e92\u8054\u7f51\u4e2d\u662f\u6709\u552f\u4e00\u6807\u8bc6\u7684\uff0c\u8fd9\u4e2a\u6307\u7684\u662f\u516c\u7f51\u5730\u5740<\/span>\uff0c\u79c1\u7f51\u5730\u5740\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\u5462\uff1f\u53ef\u4ee5\u60f3\u8c61\u4e0b\uff0c\u5982\u4eca\u7684\u4e00\u4e2a\u529e\u516c\u697c\u3001\u4e00\u4e2a\u6709\u70b9\u89c4\u6a21\u7684\u4f01\u4e1a\uff0c\u5c11\u5219\u51e0\u5341\u4eba\uff0c\u591a\u5219\u51e0\u767e\u4eba\uff0c\u800c\u4e14\u6bcf\u4e2a\u4eba\u624b\u91cc\u4e0d\u5355\u5355\u53ea\u6709\u529e\u516c\u7535\u8111\uff0c\u53ef\u80fd\u624b\u673a\u3001\u5e73\u677f\u90fd\u8981\u63a5\u5165\u5230\u7f51\u7edc\u4e2d\u6765\uff0c\u90a3\u5bf9\u4e8e\u5730\u5740\u8fd9\u5757\u7684\u6d88\u8017\u662f\u975e\u5e38\u5927\u7684\uff0c\u79c1\u7f51\u5730\u5740\u7684\u4f5c\u7528\u5c31\u662f\u5728\u4e4b\u524d\u7684A\u3001B\u3001C\u7c7b\u91cc\u9762\u62ff\u51fa\u6765\u4e00\u5c0f\u90e8\u5206\u4f5c\u4e3a\u79c1\u7f51\u5730\u5740\u7684\u8303\u56f4\uff0c\u8fd9\u4e2a\u8303\u56f4\u7684\u5730\u5740\u4efb\u4f55\u516c\u53f8\u7684\u5c40\u57df\u7f51\u90fd\u53ef\u4ee5\u4f7f\u7528\uff0c\u53ea\u8981\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u5185\u7f51\u6bb5\u6ca1\u6709\u91cd\u590d\u3001\u51b2\u7a81\u5373\u53ef\uff0c\u79c1\u7f51\u5730\u5740\u7684\u51fa\u73b0\uff0c\u53c8\u5e2e\u52a9\u4e86IP\u5730\u5740\u7f13\u89e3\u4e86\u67af\u7aed\u7684\u901f\u5ea6\u3002<\/span><\/p>\n

     <\/p>\n

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

     <\/p>\n

    \u90a3\u4e48\u53ef\u80fd\u5c31\u6709\u670b\u53cb\u4f1a\u89c9\u5f97\u5947\u602a\u4e86\uff0cA\u516c\u53f8\u4f7f\u7528\u7684\u662f192.168.1.0\/24\uff0cB\u516c\u53f8\u4f7f\u7528\u7684\u4e5f\u662f192.168.1.0\/24\uff0c\u90a3\u4e48\u5b83\u4eec\u53bb\u4e92\u8054\u7f51\u4e0a\u4e0d\u5c31\u51b2\u7a81\u4e86\u5417\uff1f\uff0c\u6ca1\u9519\uff0c\u76f8\u540c\u7684\u5730\u5740\u5982\u679c\u90fd\u51fa\u73b0\u5728\u4e92\u8054\u7f51\u4e0a\uff0c\u52bf\u5fc5\u5c31\u51b2\u7a81\u4e86\uff0c\u6240\u4ee5\u79c1\u7f51\u5730\u5740\u660e\u786e\u89c4\u5b9a\u53ea\u80fd\u5728\u5c40\u57df\u7f51\u5185\u4f7f\u7528\uff0c\u4e0d\u5141\u8bb8\u51fa\u73b0\u5728\u4e92\u8054\u7f51\u4e0a\uff0c\u901a\u5e38\u8fd0\u8425\u5546\u4f1a\u505a\u8bbf\u95ee\u7b56\u7565\uff0c\u5728\u63a5\u5165\u7528\u6237\u7684\u8bbe\u5907\u4e0a\u9762\u62d2\u7edd\u6389\u79c1\u7f51\u5730\u5740\u7684\u8fdb\u5165\u3002\u51b2\u7a81\u7684\u95ee\u9898\u89e3\u51b3\u4e86\uff0c\u90a3\u4f7f\u7528\u79c1\u7f51\u5730\u5740\u7684\u5c40\u57df\u7f51\u65e0\u6cd5\u8bbf\u95ee\u4e92\u8054\u7f51\u4e86\u5417\uff1f\u7b54\u6848\u80af\u5b9a\u662f\u53ef\u4ee5\u7684\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u6709\u6ca1\u6709\u7559\u610f\u8fc7\uff0c\u5bb6\u91cc\u4f7f\u7528\u7684\u4e00\u4f53\u732b\u3001\u6216\u8005\u8def\u7531\u5668\uff0c\u5206\u914d\u7684\u5730\u5740\u90fd\u662f192.168.0.0\/24\u6216\u8005192.168.1.0\/24\u5f00\u5934\u7684\uff0c\u4ece\u4e0a\u9762\u5217\u8868\u91cc\u9762\u5c31\u53ef\u4ee5\u770b\u5230\u4e0d\u7ba1\u662f192.168.0.0\u8fd8\u662f192.168.1.0\u90fd\u662f\u5c5e\u4e8eC\u7c7b\u7684\u79c1\u7f51\u5730\u5740\u8303\u56f4\uff0c\u4f46\u662f\u786e\u5b9e\u662f\u53ef\u4ee5\u4e0a\u7f51\u7684\uff0c\u7535\u8111\u6216\u8005\u624b\u673a\u4e0a\u9762\u5e76\u6ca1\u6709\u4f7f\u7528\u516c\u7f51\u5730\u5740\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u540e\u7eed\u8981\u8bb2\u89e3\u7684\u4e00\u4e2a\u6280\u672f\uff0c\u53eb\u505aNAT<\/span>\uff0c\u5b83\u7684\u529f\u80fd\u7b80\u5355\u4ecb\u7ecd\u5c31\u662f\u628a\u79c1\u7f51\u7f51\u6bb5<\/span>\u8f6c\u6362\u6210\u4e00\u4e2a\u516c\u7f51\u5730\u5740<\/span>\uff08\u53ef\u4e0a\u4e92\u8054\u7f51\u7684\u5730\u5740\uff09\u6765\u5b8c\u6210\u5bf9internet\u7684\u8bbf\u95ee\uff08\u8fd9\u4e2a\u6280\u672f\u540e\u7eed\u4f1a\u8be6\u7ec6\u8bb2\u89e3\uff0c\u8fd9\u91cc\u7b80\u5355\u63d0\u4e00\u4e0b\uff09<\/span><\/p>\n

    \uff085\uff09\u516c\u7f51\u5730\u5740\u7ba1\u7406\u673a\u6784<\/span><\/p>\n

    \u00a0\u79c1\u7f51IP\u5730\u5740\u90fd\u662f\u7531\u5bf9\u5e94\u573a\u666f\u7684IT\u4eba\u5458\u8fdb\u884c\u89c4\u5212\u5206\u914d\uff0c\u800c\u516c\u7f51\u5730\u5740\u9700\u8981\u4fdd\u8bc1\u552f\u4e00\u6027\uff0c\u5c31\u6709\u4e00\u4e2a\u4e13\u95e8\u7684\u7ba1\u7406\u7ec4\u7ec7\uff0c\u53eb\u505aICANN<\/span>\uff08\u4e92\u8054\u7f51\u540d\u79f0\u4e0e\u6570\u5b57\u5730\u5740\u5206\u914d\u673a\u6784\uff09\uff0c\u5b83\u4e0b\u9762\u6709\u4e00\u4e2a\u673a\u6784\u53eb\u505aIANA\uff0c\u4e3b\u8981\u8d1f\u8d23\u4e92\u8054\u7f51IP\u5730\u5740\u7684\u5206\u914d\u3002<\/span><\/p>\n

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

    \n

    \u5206\u914d\u7684\u65b9\u5f0f\u662f\u6309\u5dde\u7684\u65b9\u5f0f\u5c42\u5c42\u5206\u914d\uff0cAPNIC\u4e3b\u8981\u8d1f\u8d23\u7684\u662f\u4e9a\u592a\u5730\u533a\uff08\u4e2d\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u7b49\u56fd\u5bb6\uff09\uff0c\u6bcf\u4e2a\u56fd\u5bb6\u53c8\u6709\u81ea\u5df1\u4e13\u95e8\u7684\u673a\u6784\u8fdb\u884c\u7ba1\u7406\u5206\u914d\u7ed9\u8fd0\u8425\u5546\uff0c\u4e2d\u56fd\u5219\u662fCNNIC\u7684\u673a\u6784\u8fdb\u884c\u7ba1\u7406\u5206\u914d\u3002<\/span><\/p>\n

    \uff086\uff09IPV6<\/span><\/p>\n

    \u4e0a\u9762\u4ecb\u7ecd\u5230\u7684\u6280\u672f\u90fd\u53ea\u80fd\u7f13\u89e3IP\u5730\u5740\u7684\u67af\u7aed\uff0c\u65e9\u57282011\u5e74\u7684\u65f6\u5019IP\u5730\u5740\u5c31\u5df2\u7ecf\u88ab\u5206\u914d<\/span>\u5b8c\u6bd5\uff0c\u8fd0\u8425\u5546\u4e0e\u5bf9\u5e94\u7684\u7ba1\u7406\u673a\u6784\uff0c\u4e5f\u5728\u56de\u6536\u4e00\u4e9b\u5012\u95ed\u7684\u516c\u53f8\u8ddf\u7a7a\u95f2\u7684IP\u5730\u5740\uff0c\u4f46\u4e5f\u6cbb\u6807\u4e0d\u6cbb\u672c\uff0c\u8fdf\u65e9\u6709\u4e00\u5929\u662f\u4f1a\u7528\u5c3d\u7684\uff0c\u6240\u4ee5\u5728\u63d0\u51fa\u7f13\u89e3\u6280\u672f\u7684\u540c\u65f6\uff0c\u4e5f\u5728\u60f3\u7740\u89c4\u5212\u51fa\u4e00\u5957\u5168\u65b0\u7684\u5730\u5740\u4f53\u7cfb\uff0c\u90a3\u5c31\u662fIPV6\u3002<\/span><\/p>\n

    IPV6\u5728\u672c\u6b21\u8bfe\u7a0b\u4e0d\u4f1a\u6d89\u53ca\uff0c\u540e\u7eed\u4f1a\u6839\u636e\u60c5\u51b5\u6765\u5f00\u4e13\u9898\u8bfe\uff0c\u8fd9\u91cc\u5c31\u7b80\u5355\u4e86\u89e3\u4e0bIPV6\u7684\u529f\u80fd\u8ddf\u597d\u5904\u3002<\/span><\/p>\n

    1\u3001\u5de8\u5927\u7684\u5730\u5740\u7a7a\u95f4<\/span><\/p>\n

    IPV4\u7684\u5730\u5740\u4f4d\u6570\u662f32\u4f4d\uff0cIPV6\u5145\u5206\u7684\u8003\u8651\u5230\u4e86\u4ee5\u540e\u7684\u53d1\u5c55\uff0c\u91c7\u7528\u4e86128\u4f4d\uff0cIPV6\u51fa\u73b0\u7684\u65f6\u5019\u5c31\u6d41\u4f20\u7740\u8fd9\u6837\u4e00\u4e2a\u8bf4\u6cd5\uff1a\u5730\u7403\u4e0a\u7684\u6bcf\u7c92\u6c99\u5b50\u90fd\u53ef\u4ee5\u88ab\u5206\u914d\u5230\u4e00\u4e2a\u5730\u5740\u3002<\/span><\/p>\n

    2\u3001\u62a5\u6587\u7684\u6539\u8fdb<\/span><\/p>\n

    IPV6\u91c7\u7528\u4e86\u65b0\u7684\u534f\u8bae\u5934\u90e8\uff0c\u7b80\u5316\u4e86\u683c\u5f0f\uff0c\u8fd9\u6837\u5728\u6570\u636e\u5305\u5904\u7406\u8d77\u6765\u6548\u7387\u66f4\u9ad8\uff0c\u5e76\u4e14\u5f15\u5165\u4e86\u5b89\u5168\u673a\u5236\u3002<\/span><\/p>\n

    3\u3001\u5f15\u5165\u90bb\u5c45\u53d1\u73b0\u534f\u8bae<\/span><\/p>\n

    \u66ff\u4ee3\u4e86IPV4\u4e2d\u4f9d\u8d56\u7684ARP\u534f\u8bae\u3001DHCP\u534f\u8bae\u3002\uff08\u8fd92\u4e2a\u534f\u8bae\u9a6c\u4e0a\u5c31\u4f1a\u63a5\u89e6\u5230\u4e86\uff09<\/span><\/p>\n

    \u4ee5\u5b9e\u9645\u73af\u5883\u6765\u8bb2\u89e3\u89e3\u6790\u4e00\u4e9b\u56f0\u60d1\u7684\u5730\u65b9<\/span><\/p>\n

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

    \u00a0<\/span><\/p>\n

    \u4e0a\u9762\u62d3\u6251\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4f01\u4e1a\u7f51\u7684\u67b6\u6784\uff0c\u4e2d\u95f4\u7684\u8bbe\u5907\u73b0\u5728\u8fd8\u6ca1\u5b66\u4e60\u8def\u7531\u4ea4\u6362\u7684\u6280\u672f\uff0c\u53ef\u80fd\u770b\u4e0d\u61c2\uff0c\u8fd9\u4e2a\u6ca1\u5173\u7cfb\uff0c\u7b80\u5355\u7406\u89e3\u5c31\u662f\uff0c\u8fd9\u4e2a\u4f01\u4e1a\u7f51\u6709\u4e09\u4e2a\u5185\u7f51\uff0c\u4e00\u4e2a\u529e\u516c\u7f51\uff0c\u4e00\u4e2a\u76d1\u63a7\u7f51\uff0c\u4e00\u4e2a\u670d\u52a1\u5668\u7f51\uff0c\u529e\u516c\u7f51\u9700\u8981100\u4e2a\u7ec8\u7aef\uff0c\u76d1\u63a7\u7f51500\u4e2a\u7ec8\u7aef\uff0c\u670d\u52a1\u5668\u7f5110\u4e2a\u7ec8\u7aef\uff0c\u5ba2\u6237\u5e0c\u671b\u6bcf\u4e2a\u7f51\u72ec\u7acb\u4e00\u4e2a\u7f51\u6bb5\uff0c\u90a3\u6211\u4eec\u5728\u5b9e\u9645\u4e2d\u53bb\u89c4\u5212\u8fd9\u4e2a\u7f51\u6bb5\u7684\u65f6\u5019\u5e94\u8be5\u600e\u4e48\u53bb\u89c4\u5212\u5462\uff1f<\/span><\/p>\n

    \uff081\uff09\u7b2c\u4e00\u79cd\u89c4\u5212\u65b9\u6cd5\uff0c\u9700\u8981\u591a\u5c11\u5212\u5206\u591a\u5c11<\/span><\/p>\n

      \n
    • \u76d1\u63a7\u7f51500\u4e2a\u7ec8\u7aef\uff0c\u6309\u7167CIDR\u7684\u65b9\u6cd5\uff0c\u5411\u7f51\u7edc\u4f4d\u501f\u4f4d\uff0c2<\/span>n<\/span>-2\u2265500\uff0cN=9\uff0c32\u4f4d-9\u4f4d=23\u4f4d\uff0c\u5b50\u7f51\u63a9\u7801\u4e3a255.255.254.0\uff08\/23\uff09\uff0c\u9009\u7528192.168.0.0\/23\uff0c\u53ef\u7528\u5730\u5740192.168.0.1~192.168.1.254<\/span><\/span><\/li>\n
    • \u529e\u516c\u7f51\u7ec8\u7aef100\u4e2a\uff0c\u6309\u7167VLSM\u65b9\u6cd5\uff0c\u5411\u4e3b\u673a\u4f4d\u501f\u4f4d\uff0c2<\/span>n<\/span>-2\u2265100\uff0cN=7\uff0c32\u4f4d-7\u4f4d=25\u4f4d\uff0c\u5b50\u7f51\u63a9\u7801\u4e3a255.255.255.128\uff08\/25\uff09\uff0c\u9009\u7528192.168.2.0\/25\uff0c\u53ef\u7528\u5730\u5740\uff1a192.168.2.1~192.168.2.126<\/span><\/span><\/li>\n
    • \u670d\u52a1\u5668\u7f51\u7ec8\u7aef10\u4e2a\uff0c\u6309\u7167VLSM\u65b9\u6cd5\uff0c\u5411\u4e3b\u673a\u4f4d\u501f\u4f4d\uff0c2<\/span>n<\/span>-2\u226510\uff0cN=4\uff0c32\u4f4d-4\u4f4d=28\u4f4d\uff0c\u5b50\u7f51\u63a9\u7801\u4e3a255.255.255.240\uff08\/28\uff09\uff0c\u9009\u7528192.168.2.128\/28\uff0c\u53ef\u7528\u5730\u5740\uff1a192.168.2.129~142<\/span><\/span><\/li>\n<\/ul>\n

      \uff082\uff09\u7b2c\u4e8c\u79cd\u89c4\u5212\u65b9\u6cd5\uff0c\u9884\u7559\u7a7a\u95f4<\/span><\/p>\n

        \n
      • \u76d1\u63a7\u7f51500\u4e2a\u7ec8\u7aef\uff0c\u53ef\u4ee5\u7ed9\u4e881022\u4e2a\u5730\u5740\uff0c\u4f7f\u752810.0.0.0\/22\uff0c\u8303\u56f410.0.0.1~10.0.3.254<\/span><\/li>\n
      • \u529e\u516c\u7f51\u7ec8\u7aef100\u4e2a\uff0c\u7ed9\u4e88\u4e00\u4e2aC\u7c7b\u5730\u5740\/24\u4f4d\uff0c\u4f7f\u752810.0.4.0\/24\uff0c\u8303\u56f410.0.4.1~10.0.4.254<\/span><\/li>\n
      • \u670d\u52a1\u5668\u7f51\u7ec8\u7aef10\u4e2a\uff0c\u7ed9\u4e88\u4e00\u4e2aC\u7c7b\u5730\u5740\/24\u4e3a\uff0c\u4f7f\u752810.0.5.0\/24\uff0c\u8303\u56f410.0.5.1~10.0.5.254<\/span><\/li>\n<\/ul>\n

        \u8fd9\u79cd\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\u53ef\u80fd\u90fd\u4f1a\u7528\u7b2c\u4e00\u79cd \uff0c\u56e0\u4e3a\u4e0a\u9762\u4ecb\u7ecd\u7684\u65b9\u6cd5\u6216\u8005\u5728\u770b\u4e66\u7684\u77e5\u8bc6\u70b9\u7684\u65f6\u5019\u90fd\u662f\u8fd9\u6837\u4ecb\u7ecd\u7684\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u4e2d\u8981\u591a\u65b9\u9762\u8003\u8651<\/span><\/p>\n

          \n
        • \u5728\u5c40\u57df\u7f51\u4f7f\u7528\u7684\u662f\u79c1\u7f51\u5730\u5740\u8303\u56f4\uff0c\u7531IT\u7ba1\u7406\u8005\u6765\u81ea\u7528\u89c4\u5212\uff0c\u4f5c\u4e3aIT\u4eba\u5458\uff0c\u81ea\u7136\u8981\u8003\u8651\u957f\u8fdc\u70b9\uff0c\u76f8\u5bf9\u4e8e\u5e38\u89c1\u7684\u4f01\u4e1a\u7f51\u6765\u8bf4\uff0c\u79c1\u7f51\u5730\u5740\u76f8\u5f53\u4e8e\u514d\u8d39\u4f7f\u7528\uff0c\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u4e2d\u4e0d\u8981\u4f7f\u7528\u540c\u4e00\u4e2a\u76f8\u540c\u7684\u7f51\u6bb5\u5373\u53ef\uff0c\u6240\u4ee5\u901a\u5e38\u7684\u505a\u6cd5\u662f\u53ea\u9700\u8981100\u4e2a\u5730\u5740\u7684\u7ed9\u4e88\u4e00\u4e2a\u6807\u51c6C\u7c7b\uff0c\u9700\u8981400~500\u7684\u7ed9\u4e88\u4e00\u4e2a23\u4f4d\u6216\u800522\u4f4d\u7f51\u6bb5\uff0c\u800c10\u53f0\u670d\u52a1\u5668\u7684\u7f51\u6bb5\uff0c\u4e5f\u53ef\u4ee5\u7ed9\u4e88\u4e00\u4e2a\u6807\u51c6\u7684C\u3002<\/span><\/li>\n
        • \u7ed9\u4e88\u5145\u88d5\u7684\u5730\u5740\u7a7a\u95f4\u662f\u4e3a\u4e86\u6269\u5c55\u6027\uff0c\u6bd4\u5982\u529e\u516c\u7f51\u76ee\u524d100\u4e2a\u7ec8\u7aef\uff0c\u5206\u914d\u7684\u662f25\u4f4d\uff0c\u53ea\u6709126\u4e2a\u53ef\u7528\u5730\u5740\uff0c\u5047\u8bbe\u540e\u7eed\u589e\u52a0\u4e8650\u53f0\uff0c\u90a3\u662f\u4e0d\u662f\u8fd9\u4e2a\u7f51\u6bb5\u7684\u5730\u5740\u5c31\u4e0d\u591f\u7528\u4e86\uff0c\u57fa\u4e8e\u8fd9\u6837\u7684\u60c5\u51b5\uff0c\u901a\u5e38\u5c31\u4f1a\u7ed9\u4e88\u4e00\u4e2a\u53ef\u6269\u5c55\u7684\u7a7a\u95f4\u9884\u7559\u3002<\/span><\/li>\n
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        • \u5728\u5de5\u4f5c\u4ea4\u6d41\u4e2d\uff0c\u4f1a\u7ecf\u5e38\u542c\u5230C\u7c7b\u5730\u5740\u6216\u8005B\u7c7b\u5730\u5740\uff0c\u867d\u7136\u5206\u7c7b\u5730\u5740\u5df2\u7ecf\u4e0d\u518d\u4f7f\u7528\u4e86\uff0c\u4f46\u662f\u8fd9\u4e2a\u53eb\u6cd5\u4e00\u76f4\u5b58\u5728\uff0c\u5f53\u522b\u4eba\u63d0\u5230C\u7c7b\u5730\u5740\u7684\u65f6\u5019\u6307\u7684\u5c31\u662f\/24\u7684\u63a9\u7801\uff0cB\u7c7b\u5730\u5740\u6307\u7684\u662f\/16\u7684\u63a9\u7801\uff0c\u5b9e\u9645\u4e0a\u7684\u4f7f\u7528\u5c31\u5f88\u7075\u6d3b\uff0c10.0.0.0\/24\uff0c172.16.0.0\/24\uff0c\u53c8\u6216\u8005192.168.0.0\/16\u90fd\u662f\u53ef\u4ee5\u7684\u3002<\/span><\/li>\n
        • \u5730\u5740\u89c4\u5212\u7684\u65f6\u5019\u91c7\u7528\u8fde\u7eed\u7684\uff0c\u5bf9\u4e8e\u540e\u7eed\u5728\u4e09\u5c42\u8bbe\u5907\u4e0a\u9762\u53ef\u4ee5\u505a\u805a\u5408\u3002<\/span><\/li>\n
        • \u8fd9\u4e2a\u53ea\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u89c4\u5212\u65b9\u6cd5\uff0c\u5728\u540e\u7eed\u4e2d\uff0c\u4f1a\u7ee7\u7eed\u8bb2\u89e3\u5404\u79cd\u7ec4\u7f51\u7684\u7ed3\u6784\uff0c\u8981\u5b66\u4f1a\u7075\u6d3b\u8fd0\u7528\u5373\u53ef\u3002<\/span><\/li>\n<\/ul>\n

          \uff083\uff09\u53e6\u5916\u4e00\u4e9b\u7ecf\u9a8c\u4e4b\u8c08<\/span><\/strong><\/p>\n

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          \n

          1\u3001\u901f\u8bb0\u8868\u683c<\/span><\/p>\n

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

          \n

          \u5bf9\u4e8eIP\u5730\u5740\u89c4\u5212\u8bb0\u4f4f\u4e86VLSM\u4e0eCIDR\u7684\u7528\u9014\u4ee5\u53ca\u5212\u5206\u65b9\u5f0f\u540e\uff0c\u5728\u914d\u5408\u8fd9\u4e2a\u8868\u683c\uff0c\u80fd\u8fbe\u5230\u5f88\u597d\u7684\u6548\u679c\uff0c\u90a3\u8fd9\u4e2a\u8868\u683c\u6709\u4ec0\u4e48\u6709\u7528\u7684\u4fe1\u606f\u5462<\/span><\/p>\n

            \n
          • \u5b50\u7f51\u63a9\u7801\uff0c\u8868\u683c\u4ece\/8\u5f00\u59cb\u5230\/32\u90fd\u5217\u51fa\u6765\u4e86\uff0c\u4e0d\u9700\u8981\u90fd\u8bb0\u4f4f\uff0c\u9879\u76ee\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\/22~\/26\u4ee5\u53ca\/30\u4e0e\/32\uff0c\u8bb0\u4f4f\u8fd9\u51e0\u4e2a\u5e38\u7528\u7684\u5373\u53ef\uff0c\u5176\u4f59\u7684\u9047\u5230\u4e86\uff0c\u67e5\u4e0b\u6216\u8005\u6362\u7b97\u4e0b\u5c31\u53ef\u4ee5\u5f97\u5230\u4e86\u3002<\/span><\/li>\n
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          • \u591a\u4e2a\u5b50\u7f51\u5212\u5206\uff0c\u5982\u679c\u76f8\u540c\u4e3b\u673a\u6570\u91cf\u8981\u6c42\u7684\uff0c\u53ef\u4ee5\u53c2\u8003\u5b50\u7f51\u6570\u91cf\uff0c\u9700\u8981\u51e0\u4e2a\u7f51\u6bb5\uff0c\u5bf9\u5e94\u7684\u63a9\u7801\u8bbe\u7f6e\u591a\u5c11\u5373\u53ef\uff0c\u5982\u679c\u4e3b\u673a\u9700\u6c42\u4e0d\u4e00\u6837\uff0c\u8fd9\u4e2a\u53ea\u80fd\u5c31\u4f9d\u9760VLSM\u7b97\u6cd5\u4e86\uff0c\u4f46\u662f\u8fd9\u79cd\u73af\u5883\u901a\u5e38\u5f88\u5c11\u9047\u5230\u3002<\/span><\/li>\n<\/ul>\n

            2\u3001\u8ba1\u7b97\u5de5\u5177<\/span><\/p>\n

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            3\u3001\u8868\u8fbe\u683c\u5f0f<\/span><\/strong><\/p>\n

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            4\u3001\u5176\u4ed6\u7279\u6b8a\u5730\u5740<\/span><\/p>\n

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