{"id":663,"date":"2022-12-28T22:55:51","date_gmt":"2022-12-28T14:55:51","guid":{"rendered":"http:\/\/www.spiceandwolf.com.cn\/?p=663"},"modified":"2023-02-26T11:31:59","modified_gmt":"2023-02-26T03:31:59","slug":"network-layer","status":"publish","type":"post","link":"http:\/\/www.spiceandwolf.com.cn\/index.php\/network-layer\/","title":{"rendered":"\u7f51\u7edc\u5c42"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7f51\u7edc\u5c42\u6982\u8ff0<\/h2>\n\n\n\n<p>\u524d\u4e00\u7ae0\u4e2d\uff0c\u6211\u4eec\u4e86\u89e3\u5230\u8fd0\u8f93\u5c42\u5b9e\u73b0\u4e86\u8fdb\u7a0b\u548c\u8fdb\u7a0b\u95f4\u7684\u76f8\u4e92\u901a\u4fe1\uff0c\u8fd0\u8f93\u5c42\u7684\u901a\u8baf\u5219\u662f\u4f9d\u8d56\u4e8e\u7f51\u7edc\u5c42\uff0c\u800c\u7f51\u7edc\u5c42\u5219\u63d0\u4f9b\u4e86\u4e3b\u673a\u5230\u4e3b\u673a\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"603\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-3-1024x603.png\" alt=\"\" class=\"wp-image-678\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-3-1024x603.png 1024w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-3-300x177.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-3-768x452.png 768w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-3.png 1483w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u7f51\u7edc\u5c42<\/figcaption><\/figure>\n\n\n\n<p>\u5982\u4f55\u5b9e\u73b0\u4e3b\u673a\u5230\u4e3b\u673a\u95f4\u7684\u901a\u4fe1\u5462\uff1f\u8fd9\u6d89\u53ca\u5230\u7f51\u7edc\u5c42\u7684\u4e24\u5927\u4e3b\u8981\u529f\u80fd\uff1a\u8f6c\u53d1\u548c\u8def\u7531\u9009\u62e9\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u7f51\u7edc\u5c42\u5206\u4e3a\u6570\u636e\u5e73\u9762\u548c\u63a7\u5236\u5e73\u9762\uff0c\u5176\u4e2d\u6570\u636e\u5e73\u9762\u7684\u4e3b\u8981\u529f\u80fd\u4e3a\u8f6c\u53d1\uff0c\u5373\u7f51\u7edc\u5c42\u4e2d\u6bcf\u53f0\u8def\u7531\u5668\u7684\u529f\u80fd\uff0c\u8be5\u6570\u636e\u5e73\u9762\u529f\u80fd\u51b3\u5b9a\u5230\u8fbe\u8def\u7531\u5668\u8f93\u5165\u94fe\u8def\u4e4b\u4e00\u7684\u6570\u636e\u62a5\u5982\u4f55\u8f6c\u53d1\u5230\u8be5\u8def\u7531\u5668\u7684\u8f93\u51fa\u94fe\u8def\u4e4b\u4e00\u3002\u800c\u63a7\u5236\u5e73\u9762\u5219\u662f\u63a7\u5236\u6570\u636e\u62a5\u6cbf\u7740\u4ece\u6e90\u4e3b\u673a\u5230\u76ee\u7684\u4e3b\u673a\u7684\u7aef\u5230\u7aef\u8def\u5f84\u4e2d\u8def\u7531\u5668\u4e4b\u95f4\u7684\u8def\u7531\u65b9\u5f0f\uff0c\u5373\u8def\u7531\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u6700\u540e\uff0c\u7f51\u7edc\u5c42\u4ec5\u63d0\u4f9b\u4e00\u79cd\u670d\u52a1\uff0c\u5373\u5c3d\u529b\u800c\u4e3a\u670d\u52a1\uff0c\u56e0\u662f\u5c3d\u529b\u800c\u4e3a\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u8ba4\u4e3a\u5176\u662f\u6839\u672c\u65e0\u670d\u52a1\u7684\u59d4\u5a49\u8bf4\u6cd5\uff0c\u5373\u5b83\u4e0d\u4fdd\u8bc1\u6309\u5e8f\u53d1\u9001\uff0c\u4e5f\u4e0d\u4fdd\u8bc1\u53ef\u9760\u670d\u52a1\uff0c\u65e2\u4e0d\u4fdd\u8bc1\u7aef\u5230\u7aef\u65f6\u5ef6\uff0c\u53c8\u4e0d\u4fdd\u8bc1\u6700\u5c0f\u5e26\u5bbd\u7b49\u7b49\u3002\u5373\u4fbf\u5982\u6b64\uff0c\u7f51\u7edc\u5c42\u4e5f\u662f\u73b0\u4eca\u7f51\u7edc\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u8db3\u591f\u597d\u7684\u7f51\u7edc\u670d\u52a1\u3002<\/p>\n\n\n\n<h2 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class=\"wp-block-heading\">\u8def\u7531\u5668\u5de5\u4f5c\u539f\u7406<\/h3>\n\n\n\n<p>\u4e0b\u56fe\u663e\u793a\u4e86\u901a\u7528\u8def\u7531\u5668\u4f53\u7cfb\u7ed3\u6784\u7684\u603b\u4f53\u89c6\u56fe\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e00\u53f0\u8def\u7531\u5668\u76844\u5404\u7ec4\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f93\u5165\u7aef\u53e3\u3002\u8f93\u5165\u7aef\u53e3\u6267\u884c\u51e0\u9879\u91cd\u8981\u529f\u80fd\u3002\u5b83\u5728\u8def\u7531\u5668\u4e2d\u6267\u884c\u7ec8\u7ed3\u5165\u7269\u7406\u94fe\u8def\u7684\u7269\u7406\u5c42\u529f\u80fd\uff0c\u8fd9\u663e\u793a\u5728\u56fe\u4e2d\u8f93\u5165\u7aef\u53e3\u90e8\u5206\u6700\u5de6\u4fa7\u7684\u65b9\u6846\u4e0e\u8f93\u5165\u7aef\u53e3\u90e8\u5206\u6700\u53f3\u4fa7\u7684\u65b9\u6846\u4e2d\u3002\u5b83\u8fd8\u8981\u4e0e\u4f4d\u4e8e\u5165\u94fe\u8def\u8fdc\u7aef\u7684\u6570\u636e\u94fe\u8def\u5c42\u4ea4\u4e92\u6765\u6267\u884c\u6570\u636e\u94fe\u8def\u5c42\u529f\u80fd\uff0c\u8fd9\u663e\u793a\u5728\u8f93\u5165\u4e0e\u8f93\u51fa\u7aef\u53e3\u90e8\u5206\u4e2d\u95f4\u7684\u65b9\u6846\u4e2d\u3002\u66f4\u4e3a\u91cd\u8981\u7684\u662f\uff0c\u5728\u8f93\u5165\u7aef\u53e3\u8fd8\u8981\u6267\u884c\u67e5\u627e\u529f\u80fd\uff0c\u8fd9\u663e\u793a\u5728\u8f93\u5165\u7aef\u53e3\u6700\u53f3\u4fa7\u7684\u65b9\u6846\u4e2d\u3002\u6b63\u662f\u5728\u8fd9\u91cc\uff0c\u901a\u8fc7\u67e5\u8be2\u8f6c\u53d1\u8868\u51b3\u5b9a\u8def\u7531\u5668\u7684\u8f93\u51fa\u7aef\u53e3\uff0c\u5230\u8fbe\u7684\u5206\u7ec4\u901a\u8fc7\u8def\u7531\u5668\u7684\u4ea4\u6362\u7ed3\u6784\u8f6c\u53d1\u5230\u8f93\u51fa\u7aef\u53e3\u3002<\/li>\n\n\n\n<li>\u4ea4\u6362\u7ed3\u6784\u3002\u4ea4\u6362\u7ed3\u6784\u5c06\u8def\u7531\u5668\u7684\u8f93\u5165\u7aef\u53e3\u8fde\u63a5\u5230\u5b83\u7684\u8f93\u51fa\u7aef\u53e3\u3002<\/li>\n\n\n\n<li>\u8f93\u51fa\u7aef\u53e3\u3002\u8f93\u51fa\u7aef\u53e3\u5b58\u50a8\u4ece\u4ea4\u6362\u7ed3\u6784\u63a5\u6536\u7684\u5206\u7ec4\uff0c\u5e76\u901a\u8fc7\u6267\u884c\u5fc5\u8981\u7684\u94fe\u8def\u5c42\u548c\u7269\u7406\u5c42\u529f\u80fd\u5728\u8f93\u51fa\u94fe\u8def\u4e0a\u4f20\u8f93\u8fd9\u4e9b\u5206\u7ec4\u3002<\/li>\n\n\n\n<li>\u8def\u7531\u9009\u62e9\u5904\u7406\u5668\u3002\u8def\u7531\u9009\u62e9\u5904\u7406\u5668\u6267\u884c\u63a7\u5236\u5e73\u9762\u529f\u80fd\u3002\u5728\u4f20\u7edf\u7684\u8def\u7531\u5668\u4e2d\uff0c\u5b83\u6267\u884c\u8def\u7531\u9009\u62e9\u534f\u8bae\uff0c\u7ef4\u62a4\u8def\u7531\u9009\u62e9\u8868\u4e0e\u5173\u8054\u94fe\u8def\u8f6c\u6001\u4fe1\u606f\uff0c\u5e76\u4e3a\u8be5\u8def\u7531\u5668\u8ba1\u7b97\u8f6c\u53d1\u8868\u3002\u5728SDN\u8def\u7531\u5668\u4e2d\uff0c\u8def\u7531\u9009\u62e9\u5904\u7406\u5668\u8d1f\u8d23\u4e0e\u8fdc\u7a0b\u63a7\u5236\u5668\u901a\u4fe1\uff0c\u76ee\u7684\u662f\u63a5\u6536\u7531\u8fdc\u7a0b\u63a7\u5236\u5668\u8ba1\u7b97\u7684\u8f6c\u53d1\u8868\u9879\uff0c\u5e76\u5728\u8be5\u8def\u7531\u5668\u7684\u8f93\u5165\u7aef\u53e3\u5b89\u88c5\u8fd9\u4e9b\u8868\u9879\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"402\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-4-1024x402.png\" alt=\"\" class=\"wp-image-679\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-4-1024x402.png 1024w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-4-300x118.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-4-768x301.png 768w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-4.png 1395w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u8def\u7531\u5668\u4f53\u7cfb\u673a\u6784<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u5165\u7aef\u53e3\u5904\u7406<\/h4>\n\n\n\n<p>\u5728\u8f93\u5165\u63a5\u53e3\u4e2d\u6570\u636e\u62a5\u53ef\u80fd\u4f1a\u6709\u4ee5\u4e0b\u64cd\u4f5c\uff0c\u67e5\u627e\u3001\u963b\u585e\u3001\u6392\u961f\u548c\u8c03\u5ea6\u3002\u5176\u4e2d\u6700\u91cd\u8981\u7684\u5f53\u5c5e\u67e5\u627e\u529f\u80fd\uff0c\u800c\u6700\u7b80\u5355\u7684\u67e5\u627e\u65b9\u5f0f\u4e3a\u4e3a\u57fa\u4e8e\u6700\u957f\u524d\u7f00\u5339\u914d\u89c4\u5219\u8fdb\u884c\u67e5\u627e\uff0c\u5e76\u8f6c\u53d1\u3002<\/p>\n\n\n\n<p>\u8f93\u5165\u7aef\u53e3\u4e2d\u4f1a\u63a5\u6536\u7269\u7406\u5c42\u6570\u636e\uff0c\u5e76\u5c06\u7269\u7406\u5c42\u94fe\u8def\u5c42\u5e27\u8fdb\u884c\u62c6\u5c01\uff0c\u83b7\u5f97\u7f51\u7edc\u5c42\u6570\u636e\u62a5\uff0c\u7136\u540e\u4f7f\u7528\u8f6c\u53d1\u8868\u6765\u67e5\u627e\u8f93\u51fa\u7aef\u53e3\uff0c\u5982\u679c\u4ea4\u6362\u7ed3\u6784\u6b63\u5728\u4f7f\u7528\uff0c\u5219\u4e00\u4e2a\u5206\u7ec4\u53ef\u80fd\u4f1a\u5728\u8fdb\u5165\u4ea4\u6362\u63a5\u53e3\u524d\u88ab\u6682\u65f6\u963b\u585e\u3002\u56e0\u6b64\uff0c\u4e00\u4e2a\u88ab\u963b\u585e\u7684\u5206\u7ec4\u5fc5\u987b\u8981\u5728\u8f93\u5165\u7aef\u53e3\u5904\u6392\u961f\uff0c\u5e76\u7b49\u5f85\u7a0d\u540e\u88ab\u8c03\u5ea6\u4ee5\u901a\u8fc7\u4ea4\u6362\u7ed3\u6784\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"243\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-8-1024x243.png\" alt=\"\" class=\"wp-image-684\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-8-1024x243.png 1024w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-8-300x71.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-8-768x182.png 768w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-8.png 1176w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u8f93\u5165\u7aef\u53e3\u5904\u7406<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u4ea4\u6362\u7ed3\u6784\u8f6c\u53d1<\/h4>\n\n\n\n<p>\u4ea4\u6362\u7ed3\u6784\u7684\u4e3b\u8981\u4efb\u52a1\u4e3a\u8f6c\u53d1\uff0c\u5373\u5c06\u5206\u7ec4\u4ece\u4e00\u4e2a\u8f93\u5165\u7aef\u53e3\u4ea4\u6362\uff08\u8f6c\u53d1\uff09\u5230\u4e00\u4e2a\u8f93\u51fa\u7aef\u53e3\u4e2d\u3002\u800c\u4ea4\u6362\u65b9\u5f0f\u6709\u591a\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7ecf\u5185\u5b58\u4ea4\u6362\u3002<\/li>\n\n\n\n<li>\u7ecf\u603b\u7ebf\u4ea4\u6362\u3002<\/li>\n\n\n\n<li>\u7ecf\u4e92\u8054\u7f51\u7edc\u4ea4\u6362\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u8f93\u51fa\u7aef\u53e3\u5904\u7406<\/h4>\n\n\n\n<p>\u8f93\u51fa\u7aef\u53e3\u53d6\u51fa\u5df2\u7ecf\u5b58\u653e\u5728\u8f93\u51fa\u7aef\u53e3\u5185\u5b58\u4e2d\u7684\u5206\u7ec4\u5e76\u5c06\u5176\u53d1\u9001\u5230\u8f93\u51fa\u94fe\u8def\u4e0a\u3002\u8fd9\u5305\u62ec\u9009\u62e9\u548c\u53d6\u51fa\u6392\u961f\u7684\u5206\u7ec4\u8fdb\u884c\u4f20\u8f93\uff0c\u6267\u884c\u6240\u9700\u7684\u94fe\u8def\u5c42\u548c\u7269\u7406\u5c42\u4f20\u8f93\u529f\u80fd\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"233\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-7-1024x233.png\" alt=\"\" class=\"wp-image-683\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-7-1024x233.png 1024w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-7-300x68.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-7-768x175.png 768w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-7.png 1185w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u8f93\u51fa\u7aef\u53e3\u5904\u7406<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u6392\u961f\u53ca\u4e22\u5305<\/h4>\n\n\n\n<p>\u6392\u961f\u7684\u60c5\u51b5\u4f1a\u5728\u8f93\u5165\u7aef\u53e3\u6216\u8f93\u51fa\u7aef\u53e3\u4e2d\u51fa\u73b0\uff0c\u5f53\u4ea4\u6362\u7ed3\u6784\u4e0d\u80fd\u4ee5\u8db3\u591f\u5feb\u7684\u901f\u5ea6\u5c06\u5206\u7ec4\u4ece\u8f93\u5165\u7aef\u53e3\u4ea4\u6362\u5230\u8f93\u51fa\u7aef\u53e3\u65f6\uff0c\u8f93\u5165\u7aef\u53e3\u4e2d\u5c31\u4f1a\u51fa\u73b0\u6392\u961f\uff0c\u76f8\u5bf9\u7684\uff0c\u5f53\u8f93\u51fa\u7aef\u53e3\u4e0d\u80fd\u5df2\u8db3\u591f\u5feb\u7684\u901f\u5ea6\u5c06\u5206\u7ec4\u4f20\u8f93\u5230\u94fe\u8def\u4e2d\u65f6\uff0c\u8f93\u51fa\u7aef\u53e3\u4e2d\u4e5f\u53ef\u80fd\u51fa\u73b0\u6392\u961f\u7684\u73b0\u8c61\u3002\u66f4\u8fdb\u4e00\u6b65\u5730\uff0c\u5f53\u8f93\u5165\u7aef\u53e3\u6216\u8f93\u51fa\u7aef\u53e3\u4e2d\u7684\u7f13\u5b58\u7a7a\u95f4\u88ab\u5360\u6ee1\uff0c\u5e76\u4e14\u5f53\u65e0\u5185\u5b58\u53ef\u7528\u4e8e\u5b58\u50a8\u5230\u8fbe\u7684\u5206\u7ec4\u65f6\u5c06\u4f1a\u51fa\u73b0<strong><em>\u4e22\u5305<\/em><\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f51\u9645\u534f\u8bae<\/h3>\n\n\n\n<p>\u4e0a\u4e00\u8282\u4e2d\u6211\u4eec\u77e5\u9053\u4e86\u8def\u7531\u5668\u7684\u8fd0\u884c\u539f\u7406\uff0c\u4f46\u662f\u7f51\u7edc\u5c42\u63d0\u4f9b\u7684\u4e3b\u673a\u95f4\u7684\u901a\u8baf\u4e3b\u8981\u662f\u5728\u7f51\u9645\u534f\u8bae\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u7684\uff0c\u4e3a\u6b64\u6211\u4eec\u9700\u8981\u6df1\u5165\u4e86\u89e3IP\u534f\u8bae\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IPv4<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">IPv4\u6570\u636e\u62a5\u683c\u5f0f<\/h5>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"674\" height=\"426\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-1.png\" alt=\"\" class=\"wp-image-673\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-1.png 674w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-1-300x190.png 300w\" sizes=\"auto, (max-width: 674px) 100vw, 674px\" \/><figcaption class=\"wp-element-caption\">iPv4\u6570\u636e\u62a5\u683c\u5f0f<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">IPv4\u7f16\u5740<\/h5>\n\n\n\n<p>\u6211\u4eec\u5148\u7b80\u8ff0\u4e00\u4e0b\u4e3b\u673a\u4e0e\u8def\u7531\u5668\u8fde\u5165\u7f51\u7edc\u7684\u65b9\u6cd5\u3002\u4e00\u53f0\u4e3b\u673a\u901a\u5e38\u53ea\u6709\u4e00\u6761\u94fe\u8def\u8fde\u63a5\u5230\u7f51\u7edc\uff1b\u5f53\u4e3b\u673a\u4e2d\u7684IP\u60f3\u8981\u53d1\u9001\u4e00\u4e2a\u6570\u636e\u62a5\u65f6\uff0c\u5b83\u5c31\u5728\u8be5\u94fe\u8def\u4e0a\u53d1\u9001\u3002\u4e3b\u673a\u4e0e\u7269\u7406\u94fe\u8def\u4e4b\u95f4\u7684\u8fb9\u754c\u53eb\u4f5c\u63a5\u53e3\u3002\u73b0\u5728\u8003\u8651\u4e00\u53f0\u8def\u7531\u5668\u53ca\u5176\u63a5\u53e3\u3002\u56e0\u4e3a\u8def\u7531\u5668\u7684\u4efb\u52a1\u65f6\u4ece\u94fe\u8def\u4e0a\u63a5\u6536\u6570\u636e\u62a5\u5e76\u4ece\u67d0\u4e9b\u5176\u4ed6\u94fe\u8def\u8f6c\u53d1\u51fa\u53bb\uff0c\u8def\u7531\u5668\u5fc5\u987b\u62e5\u6709\u4e24\u6761\u6216\u66f4\u591a\u6761\u94fe\u8def\u4e0e\u5b83\u8fde\u63a5\u3002\u8def\u7531\u5668\u4e0e\u5b83\u7684\u4efb\u610f\u4e00\u6761\u94fe\u8def\u4e4b\u95f4\u7684\u8fb9\u754c\u4e5f\u53eb\u63a5\u53e3\u3002\u4e00\u53f0\u8def\u7531\u5668\u56e0\u6b64\u6709\u591a\u4e2a\u63a5\u53e3\uff0c\u6bcf\u4e2a\u63a5\u53e3\u6709\u5176\u94fe\u8def\u3002\u56e0\u4e3a\u6bcf\u53f0\u4e3b\u673a\u4e0e\u8def\u7531\u5668\u90fd\u80fd\u53d1\u9001\u548c\u63a5\u6536IP\u6570\u636e\u62a5\uff0cIP\u8981\u6c42\u6bcf\u53f0\u4e3b\u673a\u548c\u8def\u7531\u5668\u63a5\u53e3\u62e5\u6709\u81ea\u5df1\u7684IP\u5730\u5740\u3002\u56e0\u6b64\uff0c\u4ece\u6280\u672f\u4e0a\u8bb2\uff0c\u4e00\u4e2aIP\u5730\u5740\u4e0e\u4e00\u4e2a\u63a5\u53e3\u76f8\u5173\u8054\uff0c\u800c\u4e0d\u662f\u4e0e\u5305\u62ec\u8be5\u63a5\u53e3\u7684\u4e3b\u673a\u6216\u8def\u7531\u5668\u76f8\u5173\u8054\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"907\" height=\"815\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-10.png\" alt=\"\" class=\"wp-image-686\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-10.png 907w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-10-300x270.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-10-768x690.png 768w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><figcaption class=\"wp-element-caption\">3\u53f0\u8def\u7531\u5668\u4e92\u80546\u4e2a\u5b50\u7f51<\/figcaption><\/figure>\n\n\n\n<p>\u6bcf\u4e2aIP\u5730\u5740\u957f\u5ea6\u4e3a32\u6bd4\u7279\u3002<\/p>\n\n\n\n<p>\u5728\u5168\u7403\u56e0\u7279\u7f51\u4e2d\u7684\u6bcf\u53f0\u4e3b\u673a\u548c\u8def\u7531\u5668\u4e0a\u7684\u6bcf\u4e2a\u63a5\u53e3\uff0c\u90fd\u5fc5\u987b\u6709\u4e00\u4e2a\u5168\u7403\u552f\u4e00\u7684IP\u5730\u5740\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u5730\u5740\u4e0d\u80fd\u968f\u610f\u5730\u81ea\u7531\u9009\u62e9\u3002\u4e00\u4e2a\u63a5\u53e3\u7684IP\u5730\u5740\u7684\u4e00\u90e8\u5206\u9700\u8981\u7531\u5176\u8fde\u63a5\u7684\u5b50\u7f51\u6765\u51b3\u5b9a\u3002\u5b50\u7f51\u7684\u8303\u56f4\u53ef\u5927\u53ef\u5c0f\uff0c\u4e00\u822c\u662f\u57fa\u4e8e\u7ec4\u7ec7\u673a\u6784\u8fdb\u884c\u5212\u5206\u7684\uff0c\u800c\u7ec4\u7ec7\u673a\u6784\u53c8\u5b58\u5728\u590d\u6742\u7684\u5d4c\u5957\uff08\u9644\u5c5e\uff09\u5173\u7cfb\uff0c\u56e0\u6b64\u6784\u6210\u4e86\u73b0\u5728\u590d\u6742\u7684\u7f51\u7edc\u7ed3\u6784\u3002<\/p>\n\n\n\n<p>IPv4\u4e00\u5171\u67092^32\u4e2a\u5730\u5740\uff0c\u5b58\u5728\u4e13\u95e8\u7684\u7ec4\u7ec7\u5c06\u8fd9\u4e9b\u5730\u5740\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u56fd\u5bb6\u3001\u7ec4\u7ec7\u6216\u673a\u6784\uff0c\u4e00\u79cd\u76f4\u63a5\u7684\u5212\u5206\u65b9\u6cd5\u4e3a\u5b50\u7f51\u5212\u5206\uff0c\u800c\u4e00\u79cd\u65b9\u4fbf\u7684\u8868\u793a\u65b9\u6cd5\u4e3a\u5b50\u7f51\u63a9\u7801\uff0c\u5373\u901a\u8fc7\u6307\u5b9a\u7f51\u7edc\u5730\u5740\u548c\u4f4d\u6570n\u6765\u786e\u5b9a\u7f51\u7edc\u8303\u56f4\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">DHCP<\/h5>\n\n\n\n<p>\u5728\u4e86\u89e3\u7f51\u7edc\u5982\u4f55\u7f16\u5740\u540e\uff0c\u6211\u4eec\u518d\u770b\u770b\u7ec4\u7ec7\u662f\u5982\u4f55\u4e3a\u5176\u8bbe\u5907\u5206\u914d\u5730\u5740\u5757\u7684\u3002\u9996\u5148\u7cfb\u7edf\u7ba1\u7406\u5458\u53ef\u4ee5\u624b\u52a8\u7ed9\u7528\u6237\u5206\u914d\u5730\u5740\uff0c\u4f46\u662f\u6211\u4eec\u77e5\u9053\u6709\u66f4\u7ba1\u7406\u5458\u53cb\u597d\u7684\u65b9\u5f0f\u5206\u914d\u7f51\u7edc\u5730\u5740\uff0c\u5373\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8baeDHCP\u3002DHCP\u5141\u8bb8\u4e3b\u673a\u81ea\u52a8\u83b7\u53d6\u7f51\u7edc\u5730\u5740\uff0c\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u56db\u6b65\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DHCP\u670d\u52a1\u5668\u53d1\u73b0\u3002\u4e00\u53f0\u5148\u5230\u8fbe\u7684\u4e3b\u673a\u7684\u9996\u8981\u4efb\u52a1\u662f\u627e\u5230\u4e00\u4e2aDHCP\u670d\u52a1\u5668\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5e7f\u64ad\u53d1\u9001DHCP\u53d1\u73b0\u62a5\u6587\u6765\u5b8c\u6210\u3002<\/li>\n\n\n\n<li>DHCP\u670d\u52a1\u5668\u63d0\u4f9b\u3002DHCP\u670d\u52a1\u5668\u6536\u5230\u4e00\u4e2aDHCP\u53d1\u73b0\u62a5\u6587\u65f6\uff0c\u7528DHCP\u63d0\u4f9b\u62a5\u6587\u5411\u5ba2\u6237\u4f5c\u51fa\u76f8\u5e94\uff0c\u8be5\u62a5\u6587\u5411\u8be5\u5b50\u7f51\u7684\u6240\u6709\u8282\u70b9\u5e7f\u64ad\u3002<\/li>\n\n\n\n<li>DHCP\u8bf7\u6c42\u3002\u65b0\u5230\u8fbe\u7684\u5ba2\u6237\u4ece\u4e00\u4e2a\u6216\u591a\u4e2a\u670d\u52a1\u5668\u63d0\u4f9b\u4e2d\u9009\u62e9\u4e00\u4e2a\uff0c\u5e76\u5411\u9009\u4e2d\u7684\u670d\u52a1\u5668\u63d0\u4f9b\u7528DHCP\u8bf7\u6c42\u62a5\u6587\u8fdb\u884c\u54cd\u5e94\uff0c\u56de\u663e\u914d\u7f6e\u7684\u53c2\u6570\u3002<\/li>\n\n\n\n<li>DHCP ACK\u3002\u670d\u52a1\u5668\u7528DHCP ACK\u62a5\u6587\u5bf9DHCP\u8bf7\u6c42\u62a5\u6587\u8fdb\u884c\u54cd\u5e94\uff0c\u8bc1\u5b9e\u6240\u8981\u6c42\u7684\u7684\u53c2\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"885\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-11.png\" alt=\"\" class=\"wp-image-687\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-11.png 562w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-11-191x300.png 191w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" \/><figcaption class=\"wp-element-caption\">DHCP\u5ba2\u6237-\u670d\u52a1\u5668\u4ea4\u4e92<\/figcaption><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">NAT<\/h5>\n\n\n\n<p>\u6211\u4eec\u9700\u8981\u8ba4\u8bc6\u5230\uff0c\u56e0\u4e3aIPv4\u5730\u5740\u7684\u8d8a\u6765\u8d8a\u7a00\u7f3a\uff0c\u7f51\u7edc\u7684\u540e\u7eed\u4f7f\u7528\u8005\u4e00\u822c\u4e0d\u9700\u8981\u6216\u4e0d\u88ab\u5141\u8bb8\u76f4\u63a5\u4f7f\u7528IPv4\u5730\u5740\uff0c\u6bd4\u5982\u5bb6\u5ead\u7f51\u7edc\u548c\u6821\u56ed\u7f51\u7edc\uff0c\u5e78\u8fd0\u7684\u662f\uff0c\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u6ee1\u8db3\u4e86\u6211\u4eec\u8fd9\u4e2a\u8981\u6c42\uff1a\u5b83\u80fd\u5c06\u5bf9\u5355\u4e00IP\u5730\u5740\u7684\u8bf7\u6c42\u6620\u5c04\u4e3a\u5bf9\u4e13\u7528\u7f51\u7edc\u5185\u7684\u4e0d\u540cIP\u5730\u5740\u7684\u8bf7\u6c42\uff0c\u4ece\u800c\u5728\u5b9e\u73b0\u4e86\u4e00\u4e2aLAN\uff08\u5b9e\u73b0\u4e86LAN\u4e2d\u591a\u53f0\u8bbe\u5907\u7684\u4e92\u8054\uff09\u7684\u540c\u65f6\uff0c\u5bf9\u4e8e\u5916\u90e8\u7f51\u7edc\u6765\u8bf4\u770b\u8d77\u6765\u53c8\u53ea\u662f\u5177\u6709\u5355\u4e00IP\u5730\u5740\u7684\u5355\u4e00\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>NAT\u57fa\u672c\u4e0a\u662f\u5c06\u5355\u4e00\u5730\u5740+\u7aef\u53e3\u53f7\u7684\u7ec4\u5408\u6620\u5c04\u4e3a\u4e13\u7528\u7f51\u7edc\uff08\u5185\u7f51LAN\uff09\u7684IP\u5730\u5740+\u7aef\u53e3\u53f7\u7684\u7ec4\u5408\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IPv6<\/h4>\n\n\n\n<p>\u968f\u7740\u7f51\u7edc\u7684\u53d1\u5c55\uff0cIPv4\u5730\u5740\u8d8a\u6765\u8d8a\u5403\u7d27\uff0c\u867d\u7136\u6709\u50cfNAT\u8fd9\u6837\u7684\u6280\u672f\u7f13\u89e3\u4e86IP\u5730\u5740\u7684\u8017\u5c3d\uff0c\u4f46\u786e\u53ea\u662f\u5ef6\u7f13\u4e86\u7ed3\u679c\u7684\u5230\u6765\u3002\u6240\u4ee5IPv6\u5e94\u8fd0\u800c\u751f\uff0c\u5176\u6700\u4e3b\u8981\u7684\u7279\u70b9\u662f\u7ba1\u591f\uff0c\u751a\u81f3\u5730\u7403\u4e0a\u7684\u6bcf\u4e2a\u7802\u783e\u90fd\u53ef\u4ee5\u7528IP\u5730\u5740\u8fdb\u884c\u5bfb\u5740\u4e86\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">IPv6\u6570\u636e\u62a5\u7ed3\u6784<\/h5>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"413\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-2.png\" alt=\"\" class=\"wp-image-676\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-2.png 767w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-2-300x162.png 300w\" sizes=\"auto, (max-width: 767px) 100vw, 767px\" \/><figcaption class=\"wp-element-caption\">IPv6\u6570\u636e\u62a5\u683c\u5f0f<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u901a\u7528\u8f6c\u53d1\u548cSDN<\/h3>\n\n\n\n<p>\u901a\u7528\u8f6c\u53d1\u4f20\u7edf\u4e0a\u4ec5\u4ec5\u57fa\u4e8e\u5206\u7ec4\u7684\u76ee\u7684\u5730\u5740\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u57fa\u4e8e\u76ee\u7684\u5730\u8f6c\u53d1\u7684\u7279\u5f81\u603b\u7ed3\u4e3a\u4e24\u4e2a\u6b65\u9aa4\uff1a\u67e5\u627e\u76ee\u7684IP\u5730\u5740\uff0c\u7136\u540e\u5c06\u5206\u7ec4\u53d1\u9001\u5230\u6709\u7279\u5b9a\u8f93\u51fa\u7aef\u53e3\u7684\u4ea4\u6362\u7ed3\u6784\u3002\u800c\u6211\u4eec\u73b0\u5728\u8003\u8651\u4e00\u79cd\u66f4\u4e3a\u4e00\u822c\u6027\u3001\u7efc\u5408\u6027\u7684\u884c\u4e3a\u8303\u5f0f\uff0c\u5b83\u662f\u57fa\u4e8e\u4e0d\u540c\u5c42\u6b21\u7684\u4e0d\u540c\u5b57\u6bb5\u8fdb\u884c\u5339\u914d\u5e76\u6267\u884c\u76f8\u5e94\u52a8\u4f5c\u7684\uff0c\u8fd9\u5c31\u662f\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc\uff08Software-Defined Networking, SDN\uff09\u7684\u672c\u8d28\u3002SDN\u7684\u5339\u914d\u548c\u52a8\u4f5c\u66f4\u4e3a\u4e00\u822c\u5316\uff1a<\/p>\n\n\n\n<p>OpenFlow\u662f\u4e00\u4e2a\u5f97\u5230\u9ad8\u5ea6\u8ba4\u53ef\u548c\u6210\u529f\u7684\u6807\u51c6\uff0c\u4ed6\u5df2\u7ecf\u6210\u4e3a\u5339\u914d\u52a0\u52a8\u4f5c\u8f6c\u53d1\u62bd\u8c61\u3001\u63a7\u5236\u5668\u4ee5\u53ca\u66f4\u4e3a\u4e00\u822c\u7684SDN\u9769\u547d\u7b49\u6982\u5ff5\u7684\u5148\u9a71\u3002\u6211\u4eec\u5c06\u4e3b\u8981\u8003\u8651OpenFlow1.0\uff0c\u8be5\u6807\u51c6\u4ee5\u7279\u522b\u6e05\u6670\u548c\u7b80\u660e\u7684\u65b9\u5f0f\u5f15\u5165\u4e86\u5173\u952e\u7684SDN\u62bd\u8c61\u548c\u529f\u80fd\u3002\u5339\u914d\u52a0\u52a8\u4f5c\u8f6c\u53d1\u8868\u5728OpenFlow\u4e2d\u79f0\u4e3a\u6d41\u8868\uff0c\u5b83\u7684\u6bcf\u4e2a\u8868\u9879\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9996\u90e8\u5b57\u6bb5\u503c\u7684\u96c6\u5408\uff0c\u5982\u5206\u7ec4\u5c06\u4e0e\u4e4b\u5339\u914d\u3002<\/li>\n\n\n\n<li>\u8ba1\u6570\u5668\u96c6\u5408\u3002<\/li>\n\n\n\n<li>\u5f53\u5206\u7ec4\u5339\u914d\u6d41\u8868\u9879\u65f6\u6240\u91c7\u53d6\u7684\u52a8\u4f5c\u96c6\u5408\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u63a7\u5236\u5e73\u9762<\/h2>\n\n\n\n<p>\u63a7\u5236\u5e73\u9762\u4f5c\u4e3a\u4e00\u79cd\u7f51\u7edc\u8303\u56f4\u7684\u903b\u8f91\uff0c\u4e0d\u4ec5\u63a7\u5236\u6cbf\u7740\u4ece\u6e90\u4e3b\u673a\u5230\u76ee\u7684\u4e3b\u673a\u7684\u7aef\u5230\u7aef\u8def\u5f84\u95f4\u7684\u8def\u7531\u5668\u5982\u4f55\u8f6c\u53d1\u6570\u636e\u62a5\uff0c\u800c\u4e14\u63a7\u5236\u7f51\u7edc\u5c42\u7ec4\u4ef6\u548c\u670d\u52a1\u5982\u4f55\u914d\u7f6e\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n<p>\u4f20\u7edf\u4e0a\uff0c\u63a7\u5236\u5e73\u9762\u529f\u80fd\u4e0e\u6570\u636e\u5e73\u9762\u7684\u8f6c\u53d1\u529f\u80fd\u5728\u4e00\u8d77\u5b9e\u73b0\uff0c\u5728\u8def\u7531\u5668\u4e2d\u4f5c\u4e3a\u7edf\u4e00\u7684\u6574\u4f53\u3002\u800c\u8f6f\u4ef6\u5b9a\u4e49\u7f51\u7edc\uff08SDN\uff09\u5728\u6570\u636e\u5e73\u9762\u548c\u63a7\u5236\u5e73\u9762\u4e4b\u95f4\u505a\u4e86\u660e\u786e\u5206\u5272\uff0c\u5728\u4e00\u53f0\u5206\u79bb\u7684\u201c\u63a7\u5236\u5668\u201d\u670d\u52a1\u4e2d\u5fc3\u5b9e\u73b0\u4e86\u63a7\u5236\u5e73\u9762\u529f\u80fd\uff0c\u8be5\u63a7\u5236\u5668\u670d\u52a1\u4e8e\u5b83\u6240\u63a7\u5236\u7684\u8def\u7531\u5668\u7684\u8f6c\u53d1\u7ec4\u4ef6\u5b8c\u5168\u5206\u5f00\u5e76\u8fdc\u79bb\u3002<\/p>\n\n\n\n<p>\u8f6c\u53d1\u8868\uff08\u5728\u57fa\u4e8e\u76ee\u7684\u5730\u8f6c\u53d1\u7684\u573a\u666f\u4e2d\uff09\u548c\u6d41\u8868\uff08\u5728\u901a\u7528\u8f6c\u53d1\u7684\u573a\u666f\u4e2d\uff09\u662f\u94fe\u63a5\u7f51\u7edc\u5c42\u7684\u6570\u636e\u5e73\u9762\u548c\u63a7\u5236\u5e73\u9762\u7684\u9996\u8981\u8981\u7d20\u3002<\/p>\n\n\n\n<p>\u5173\u4e8e\u8f6c\u53d1\u8868\u548c\u6d41\u8868\u662f\u5982\u4f55\u8ba1\u7b97\u3001\u7ef4\u62a4\u548c\u5b89\u88c5\u7684\uff0c\u8fd9\u91cc\u6709\u4e24\u79cd\u65b9\u5f0f:<\/p>\n\n\n\n<ul 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class=\"wp-block-heading\">\u8def\u7531\u9009\u62e9\u7b97\u6cd5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96c6\u4e2d\u5f0f\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u3002\u7528\u5b8c\u6574\u7684\u3001\u5168\u5c40\u6027\u7684\u7f51\u7edc\u77e5\u8bc6\u8ba1\u7b97\u51fa\u4ece\u6e90\u5230\u76ee\u7684\u5730\u4e4b\u95f4\u7684\u6700\u4f4e\u5f00\u9500\u8def\u5f84\u3002\u94fe\u8def\u72b6\u6001\u7b97\u6cd5\u5c31\u662f\u96c6\u4e2d\u5f0f\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u3002<\/li>\n\n\n\n<li>\u5206\u6563\u5f0f\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u3002\u8def\u7531\u5668\u4ee5\u8fed\u4ee3\u3001\u5206\u5e03\u5f0f\u7684\u65b9\u5f0f\u8ba1\u7b97\u51fa\u6700\u4f4e\u5f00\u9500\u8def\u5f84\u3002\u6ca1\u6709\u8282\u70b9\u62e5\u6709\u5173\u4e8e\u6240\u6709\u7f51\u7edc\u94fe\u8def\u5f00\u9500\u7684\u5b8c\u6574\u4fe1\u606f\u3002\u5178\u578b\u7684\u5206\u6563\u5f0f\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u6709\u8ddd\u79bb\u5411\u91cf\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u524d\u9762\u7684\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u4e2d\uff0c\u6211\u4eec\u628a\u7f51\u7edc\u770b\u4f5c\u662f\u8def\u7531\u5668\u4e92\u8054\u7684\u96c6\u5408\u3002\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u6765\u4f7f\u7528\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u662f\u4e0d\u53ef\u884c\u7684\u4e3b\u8981\u6709\u4e24\u4e2a\u539f\u56e0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u89c4\u6a21\u3002\u968f\u7740\u7ec8\u7aef\u3001\u8fb9\u7f18\u7f51\u7edc\u548c\u6838\u5fc3\u7f51\u7edc\u7684\u6269\u5c55\uff0c\u4e0e\u7f51\u7edc\u4e2d\u6240\u6709\u7684\u8def\u7531\u5668\u4ea4\u4e92\u4fe1\u606f\u7684\u590d\u6742\u5ea6\u6210\u6570\u91cf\u7ea7\u589e\u52a0\uff0c\u6d89\u53ca\u7f51\u7edc\u4e2d\u6240\u6709\u8def\u7531\u5668\u7684\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u5c06\u4e0d\u53ef\u884c\u3002<\/li>\n\n\n\n<li>\u7ba1\u7406\u81ea\u6cbb\u3002\u800c\u4ece\u524d\u9762\u7ae0\u8282\u4e2d\u6211\u4eec\u4e86\u89e3\u5230\uff0c\u7f51\u7edc\u5176\u5b9e\u662f\u7531\u8bb8\u591a\u5927\u5927\u5c0f\u5c0f\u7684ISP\u6784\u6210\u7684\uff0c\u800c\u6bcf\u4e2aISP\u90fd\u5e0c\u671b\u6309\u81ea\u5df1\u7684\u610f\u613f\u8fd0\u884c\u8def\u7531\u5668\uff0c\u5e76\u5bf9\u5916\u90e8\u9690\u85cf\u81ea\u5df1\u7f51\u7edc\u7684\u5185\u90e8\u7ec4\u7ec7\u9762\u8c8c\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u95ee\u9898\u90fd\u80fd\u901a\u8fc7\u5c06\u8def\u7531\u5668\u7ec4\u7ec7\u8fdb\u81ea\u6cbb\u7cfb\u7edf\uff08Autonomous System, AS\uff09\u6765\u89e3\u51b3\uff0c\u6bcf\u4e2aAS\u901a\u5e38\u7531\u4e00\u7ec4\u51fa\u5728\u76f8\u540c\u7ba1\u7406\u63a7\u5236\u4e0b\u7684\u8def\u7531\u5668\u7ec4\u6210\u3002<\/p>\n\n\n\n<p>\u5728\u4e00\u4e2a\u81ea\u6cbb\u7cfb\u7edf\u5185\u8fd0\u884c\u7684\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u53eb\u4f5c\u81ea\u6cbb\u7cfb\u7edf\u5185\u90e8\u8def\u7531\u9009\u62e9\u534f\u8bae\u3002\u800c\u5f00\u653e\u6700\u77ed\u8def\u5f84\u4f18\u5148\uff08OSPF\uff09\u5c31\u662f\u5185\u90e8\u8def\u7531\u9009\u62e9\u534f\u8bae\uff0c\u5176\u4e5f\u662f\u4e00\u79cd\u94fe\u8def\u72b6\u6001\u7b97\u6cd5\u3002<\/p>\n\n\n\n<p>\u800c\u6709\u81ea\u6cbb\u7cfb\u7edf\u5185\u90e8\u8def\u7531\u9009\u62e9\u534f\u8bae\uff0c\u5f53\u7136\u4e5f\u5c31\u6709\u81ea\u6cbb\u7cfb\u7edf\u95f4\u8def\u7531\u9009\u62e9\u534f\u8bae\u3002\u8fb9\u754c\u7f51\u5173\u534f\u8bae\uff08Border Gateway Prototocol\uff0cBGP\uff09\u5c31\u662f\u81ea\u6cbb\u7cfb\u7edf\u95f4\u8def\u7531\u9009\u62e9\u534f\u8bae\uff0c\u5176\u4e5f\u662f\u6240\u6709\u56e0\u7279\u7f51\u4e2d\u6700\u91cd\u8981\u7684\u534f\u8bae\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SDN\u63a7\u5236\u5e73\u9762<\/h3>\n\n\n\n<p>SDN\u4f53\u7cfb\u7ed3\u6784\u5177\u67094\u4e2a\u5173\u952e\u7279\u5f81\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u4e8e\u6d41\u7684\u8f6c\u53d1\u3002SDN\u63a7\u5236\u7684\u4ea4\u6362\u673a\u7684\u6124\u6012\u7ec4\u8f6c\u53d1\u5de5\u4f5c\uff0c\u80fd\u591f\u57fa\u4e8e\u8fd0\u8f93\u5c42\u3001\u7f51\u7edc\u5c42\u6216\u94fe\u8def\u5c42\u9996\u90e8\u4e2d\u4efb\u610f\u6570\u91cf\u7684\u9996\u90e8\u5b57\u6bb5\u503c\u8fdb\u884c\u3002\u5206\u7ec4\u8f6c\u53d1\u89c4\u5219\u88ab\u7cbe\u786e\u89c4\u5b9a\u5728\u4ea4\u6362\u673a\u7684\u6d41\u8868\u4e2d\uff1bSDN\u63a7\u5236\u5e73\u9762\u7684\u5de5\u4f5c\u662f\u8ba1\u7b97\u3001\u7ba1\u7406\u548c\u5b89\u88c5\u6240\u6709\u7f51\u7edc\u4ea4\u6362\u673a\u4e2d\u7684\u6d41\u8868\u9879\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u5e73\u9762\u4e0e\u63a7\u5236\u5e73\u9762\u5206\u79bb\u3002\u6570\u636e\u5e73\u9762\u7531\u7f51\u7edc\u4ea4\u6362\u673a\u81ea\u79f0\uff0c\u4ea4\u6362\u673a\u662f\u76f8\u5bf9\u7b80\u5355\u7684\u8bbe\u5907\uff0c\u8be5\u8bbe\u5907\u5728\u4ed6\u4eec\u7684\u6d41\u8868\u4e2d\u6267\u884c\u201c\u5339\u914d\u52a0\u52a8\u4f5c\u201d\u7684\u89c4\u5219\u3002\u63a7\u5236\u5e73\u9762\u7531\u670d\u52a1\u5668\u4ee5\u53ca\u51b3\u5b9a\u548c\u7ba1\u7406\u4ea4\u6362\u673a\u6d41\u8868\u7684\u8f6f\u4ef6\u7ec4\u6210\u3002<\/li>\n\n\n\n<li>\u7f51\u7edc\u63a7\u5236\u529f\u80fd\uff1a\u4f4d\u4e8e\u6570\u636e\u5e73\u9762\u4ea4\u6362\u673a\u5916\u90e8\u3002\u5982\u56fe\u6240\u793a\uff0c\u63a7\u5236\u5e73\u9762\u81ea\u8eab\u7531\u4e24\u4e2a\u7ec4\u4ef6\u7ec4\u6210\uff1a\u4e00\u4e2aSDN\u63a7\u5236\u5668\uff08\u6216\u7f51\u7edc\u64cd\u4f5c\u7cfb\u7edf\uff09\uff0c\u4ee5\u53ca\u82e5\u5e72\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\u3002\u63a7\u5236\u5668\u9b4f\u65ed\u51c6\u786e\u7684\u7f51\u7edc\u72b6\u6001\u4fe1\u606f\u5e76\u63d0\u4f9b\u64cd\u4f5c\u65b9\u6cd5\uff0c\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u80fd\u591f\u4ef6\u4e8b\u3001\u7f16\u7a0b\u548c\u63a7\u5236\u4e0b\u9762\u7684\u7f51\u7edc\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>\u53ef\u7f16\u7a0b\u7684\u7f51\u7edc\u3002\u901a\u8fc7\u8fd0\u884c\u5728\u63a7\u5236\u5e73\u9762\u4e2d\u7684\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u53ef\u7f16\u7a0b\u5f0f\u7684\u5b9e\u73b0\u7f51\u7edc\u7684\u63a7\u5236\uff0c\u4f8b\u5982\u8d1f\u8f7d\u5747\u8861\uff0c\u6d41\u91cf\u63a7\u5236\u3001\u8bbf\u95ee\u63a7\u5236\u3001\u9632\u706b\u5899\u7b49\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1016\" height=\"839\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-12.png\" alt=\"\" class=\"wp-image-692\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-12.png 1016w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-12-300x248.png 300w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-12-768x634.png 768w\" sizes=\"auto, (max-width: 1016px) 100vw, 1016px\" \/><figcaption class=\"wp-element-caption\">SDN\u4f53\u7cfb\u7ed3\u6784\u7684\u7ec4\u4ef6\uff1aSDN\u63a7\u5236\u7684\u4ea4\u6362\u673a\u3001SDN\u63a7\u5236\u5668\u548c\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">SDN\u63a7\u5236\u5e73\u9762\uff1aSDN\u63a7\u5236\u5668\u548cSDN\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f<\/h4>\n\n\n\n<p>\u57fa\u4e8e\u7f51\u7edc\u5c42\u7684\u57fa\u672c\u5212\u5206\uff0c\u6211\u4eec\u53ef\u4ee5SDN\u4f53\u7cfb\u7ed3\u6784\u5206\u4e3a\u6570\u636e\u5e73\u9762\u4e0e\u63a7\u5236\u5e73\u9762\uff0c\u800cSDN\u4f53\u7cfb\u7ed3\u6784\u7684\u63a7\u5236\u5e73\u9762\u6709\u80fd\u5206\u4e3aSDN\u63a7\u5236\u5668\u548cSDN\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\u3002\u800c\u968f\u7740SDN\u63a7\u5236\u5668\u7684\u53d1\u5c55\uff0cSDN\u63a7\u5236\u5668\u6f14\u8fdb\u51fa\u4e86\u4e00\u4e2a\u901a\u7528\u7684SDN\u63a7\u5236\u5668\u5206\u5c42\u89c6\u56fe\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002\u81ea\u5e95\u5411\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u5927\u4f53\u5206\u4e3a\u4e09\u4e2a\u5c42\u6b21\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"604\" height=\"713\" src=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-17.png\" alt=\"\" class=\"wp-image-698\" srcset=\"http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-17.png 604w, http:\/\/www.spiceandwolf.com.cn\/wp-content\/uploads\/2022\/12\/image-17-254x300.png 254w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><figcaption class=\"wp-element-caption\">SDN\u63a7\u5236\u5668\u7684\u7ec4\u4ef6<\/figcaption><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u901a\u4fe1\u5c42\uff1a\u8d1f\u8d23SDN\u63a7\u5236\u5668\u548c\u53d7\u63a7\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u663e\u7136SDN\u63a7\u5236\u5668\u548c\u53d7\u63a7\u7f51\u7edc\u8bbe\u5907\uff08\u5982\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u7b49\uff09\u8fdb\u884c\u4ea4\u4e92\uff0c\u9700\u8981\u4e00\u4e2a\u534f\u8bae\u6765\u7edf\u4e00\u5b83\u4eec\u4e4b\u95f4\u7684\u4fe1\u606f\u4ea4\u4e92\u65b9\u5f0f\uff0c\u800c\u8fd9\u4e2a\u534f\u8bae\u5219\u6784\u6210\u4e86\u63a7\u5236\u5668\u4f53\u7cfb\u7ed3\u6784\u7684\u6700\u5e95\u5c42\uff0c\u4f5c\u4e3aSDN\u63a7\u5236\u5668\u548c\u8bbe\u5907\u95f4\u7684\u901a\u4fe1\u63a5\u53e3\u3002OpenFlow\u5c31\u662f\u4e00\u4e2a\u63d0\u4f9b\u8fd9\u79cd\u4ea4\u4e92\u529f\u80fd\u7684\u7279\u5b9a\u534f\u8bae\u3002<\/li>\n\n\n\n<li>\u7f51\u7edc\u8303\u56f4\u72b6\u6001\u7ba1\u7406\u5c42\u3002\u7528\u4e8e\u7ef4\u62a4\u53d7\u63a7\u8bbe\u5907\u7684\u6d41\u8868\uff0c\u8fd9\u4e9b\u6d41\u8868\u4e2d\u7684\u4fe1\u606f\u5219\u8868\u73b0\u4e3a\u7f51\u7edc\u8303\u56f4\u7684\u4e00\u79cd\u663e\u5f0f\u72b6\u6001\u3002<\/li>\n\n\n\n<li>\u4e0e\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\u5c42\u7684\u63a5\u53e3\u3002\u5b9a\u4e49\u4e86\u7f51\u7edc\u63a7\u5236\u5e94\u7528\u7a0b\u5e8f\u548c\u63a7\u5236\u5668\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u63d0\u4f9b\u4e0d\u540c\u7c7b\u578b\u7684API\uff0c\u6211\u4eec\u5c06\u770b\u5230\u4e24\u79cd\u6d41\u884cSDN\u63a7\u5236\u5668\u4f7f\u7528REST\u8bf7\u6c42\u54cd\u5e94\u63a5\u53e3\u4e0e\u4ed6\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">ICMP:\u56e0\u7279\u7f51\u63a7\u5236\u62a5\u6587\u534f\u8bae<\/h3>\n\n\n\n<p>\u56e0\u7279\u7f51\u63a7\u5236\u62a5\u6587\u534f\u8bae\uff08ICMP\uff09\uff0c\u88ab\u4e3b\u673a\u548c\u8def\u7531\u5668\u7528\u6765\u5f7c\u6b64\u6c9f\u901a\u7f51\u7edc\u5c42\u7684\u4fe1\u606f\u3002\u5178\u578b\u7684ICMP\u5e94\u7528\u5305\u62ecping\u7a0b\u5e8f\u548ctraceroute\u7a0b\u5e8f\u7b49\u3002<\/p>\n\n\n\n<h3 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