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<\/p>\n\n\n\n
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IPv4\u662f\u7db2\u969b\u7db2\u8def\u5354\u5b9a\u7684\u7b2c\u56db\u7248\uff0c\u4e5f\u662f\u8fc4\u4eca\u70ba\u6b62\u61c9\u7528\u6700\u5ee3\u6cdb\u7684\u7db2\u8def\u5354\u5b9a\u3002\u5b83\u662f\u4e00\u7a2e\u7121\u9023\u63a5\u7684\u7db2\u8def\u5c64\u5354\u8b70\uff0c\u8ca0\u8cac\u5728\u7db2\u8def\u4e2d\u5be6\u73fe\u8cc7\u6599\u7684\u8def\u7531\u548c\u50b3\u8f38\u3002 IPv4\u4f7f\u752832\u4f4d\u5740\u7a7a\u9593\uff0c\u7406\u8ad6\u4e0a\u53ef\u4ee5\u63d0\u4f9b\u7d0443\u5104\u500b\u552f\u4e00\u7684IP\u4f4d\u5740\uff0c\u652f\u6490\u8457\u73fe\u4ee3\u7db2\u8def\u8a2d\u5099\u7684\u4e92\u806f\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
IPv4\u5728\u7db2\u8def\u901a\u8a0a\u4e2d\u7684\u4f5c\u7528<\/p>\n\n\n\n
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IPv4\u4f4d\u5740\u683c\u5f0f\u548c\u985e\u5225<\/p>\n\n\n\n
IPv4\u4f4d\u5740\u7531\u56db\u500b\u4f4d\u5143\u7d44\u7d44\u6210\uff0c\u4ee5\u9ede\u5206\u5341\u9032\u4f4d\u8868\u793a\u3002\u4f8b\u5982\uff0c192.168.1.1\u4fbf\u662f\u4e00\u500b\u5178\u578b\u7684IPv4\u4f4d\u5740\u3002\u9019\u4e9b\u4f4d\u5740\u5206\u70ba\u4e0d\u540c\u7684\u985e\u5225\uff0c\u5305\u62ecA\u985e\u3001B\u985e\u3001C\u985e\u3001D\u985e\u548cE\u985e\uff0c\u4e0d\u540c\u985e\u5225\u7684\u4f4d\u5740\u9069\u7528\u65bc\u4e0d\u540c\u7684\u7db2\u8def\u9700\u6c42\u3002 A\u985e\u4f4d\u5740\u9069\u5408\u5927\u578b\u7db2\u7d61\uff0cB\u985e\u9069\u7528\u65bc\u4e2d\u578b\u7db2\u7d61\uff0cC\u985e\u5e38\u7528\u65bc\u5c0f\u578b\u7db2\u7d61\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
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\u7db2\u8def\u4f4d\u5740\u8f49\u63db\uff08NAT\uff09\uff1aNAT\u5141\u8a31\u5167\u90e8\u7db2\u8def\u4f7f\u7528\u79c1\u6709IP\u4f4d\u5740\uff0c\u4e26\u900f\u904e\u516c\u7528IPv4\u4f4d\u5740\u8207\u5916\u7db2\u8def\u901a\u8a0a\u3002 NAT\u8a2d\u5099\u5728\u5916\u90e8\u8cc7\u6599\u56de\u50b3\u6642\uff0c\u5c07\u8cc7\u6599\u91cd\u65b0\u5c0d\u61c9\u81f3\u6b63\u78ba\u7684\u5167\u90e8\u8a2d\u5099\uff0c\u4f7f\u591a\u500b\u5167\u90e8\u8a2d\u5099\u5171\u7528\u4e00\u500b\u516c\u5171IP\u4f4d\u5740\uff0c\u5f9e\u800c\u7bc0\u7701\u4f4d\u5740\u8cc7\u6e90\u3002<\/p>\n\n\n\n
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<\/p>\n\n\n\n
IPv4\u7684\u672a\u4f86\u8207IPv6\u7684\u5230\u4f86<\/p>\n\n\n\n
\u5118\u7ba1\u9019\u4e9b\u63aa\u65bd\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7de9\u89e3\u4e86IPv4\u4f4d\u5740\u77ed\u7f3a\u7684\u554f\u984c\uff0c\u4f46\u4f4d\u5740\u8cc7\u6e90\u4ecd\u7136\u6709\u9650\u3002\u70ba\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0cIPv6\u61c9\u904b\u800c\u751f\u3002 IPv6\u4f7f\u7528128\u4f4d\u5143\u4f4d\u5740\u7a7a\u9593\uff0c\u7406\u8ad6\u4e0a\u80fd\u5920\u63d0\u4f9b\u8fd1\u4e4e\u7121\u9650\u7684IP\u4f4d\u5740\u3002\u7136\u800c\uff0cIPv4\u4ecd\u5728\u5ee3\u6cdb\u4f7f\u7528\uff0cIPv6\u7684\u5168\u9762\u66ff\u4ee3\u5c1a\u9700\u6642\u65e5\u3002<\/p>\n\n\n\n
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IPv4\u7684\u61c9\u7528\u8207\u5b89\u5168\u6311\u6230<\/p>\n\n\n\n
IPv4\u5ee3\u6cdb\u652f\u63f4\u5404\u7a2e\u7db2\u8def\u61c9\u7528\u548c\u670d\u52d9\uff0c\u5f9e\u7db2\u9801\u700f\u89bd\u3001\u96fb\u5b50\u90f5\u4ef6\u5230\u7dda\u4e0a\u8996\u8a0a\u6703\u8b70\u548c\u7db2\u8def\u904a\u6232\uff0c\u5747\u4f9d\u8cf4IPv4\u7684\u57fa\u790e\u8a2d\u65bd\u3002\u7136\u800c\uff0c\u7531\u65bc\u6b77\u53f2\u5c40\u9650\u6027\uff0cIPv4\u5728\u5b89\u5168\u6027\u65b9\u9762\u5b58\u5728\u4e0d\u8db3\u3002\u4f8b\u5982\uff0cIPv4\u6c92\u6709\u5167\u5efa\u5f37\u5927\u7684\u52a0\u5bc6\u6a5f\u5236\uff0c\u8cc7\u6599\u5728\u50b3\u8f38\u4e2d\u5bb9\u6613\u906d\u5230\u7aca\u807d\u548c\u7ac4\u6539\u3002\u70ba\u5f4c\u88dc\u9019\u4e00\u4e0d\u8db3\uff0cIPsec\uff08Internet Protocol Security\uff09\u7b49\u5b89\u5168\u5354\u5b9a\u88ab\u5f15\u5165\uff0c\u4ee5\u589e\u5f37IPv4\u7db2\u8def\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u7e3d\u7d50<\/p>\n\n\n\n
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