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class=\"wp-block-paragraph\">\u7f51\u7edc\u5f53\u4e2d\u7684\u8def\u7531\u5668\u662f\u201c\u8ba4\u8bc6\u8def\u7684\u201d\uff0c\u5b83\u4eec\u5c06\u81ea\u5df1\u7684\u201c\u8ba4\u8def\u7ecf\u9a8c\u201d\u90fd\u8bb0\u5f55\u5230\u8def\u7531\u8868\u5f53\u4e2d\uff0c\u56e0\u6b64\u8def\u7531\u5668\u53ef\u4ee5\u901a\u8fc7\u67e5\u8def\u7531\u8868\u627e\u5230\u53bb\u7279\u5b9a\u70b9\u7684\u6700\u77ed\u8def\u5f84\u3002\u56e0\u6b64\u6570\u636e\u5728\u8def\u7531\u65f6\uff0c\u4f1a\u4e0d\u65ad\u901a\u8fc7\u8def\u7531\u5668\u6765\u8fdb\u884c\u8def\u5f84\u9009\u62e9\uff0c\u4ee5\u6b64\u6765\u4e00\u6b65\u6b65\u9760\u8fd1\u76ee\u6807\u7f51\u7edc\u6216\u76ee\u6807\u4e3b\u673a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/16ca94d37e7f4121a68811d085af4808.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/16ca94d37e7f4121a68811d085af4808.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4e3b\u673a\u548c\u8def\u7531\u5668<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u673a\uff1a\u914d\u6709IP\u5730\u5740\uff0c\u4f46\u662f\u4e0d\u8fdb\u884c\u8def\u7531\u63a7\u5236\u7684\u8bbe\u5907\u3002\u4f46\u5b9e\u9645\u73b0\u5728\u51e0\u4e4e\u4e0d\u5b58\u5728\u4e0d\u8fdb\u884c\u8def\u7531\u63a7\u5236\u7684\u8bbe\u5907\u4e86\uff0c\u5c31\u8fde\u4f60\u7684\u7b14\u8bb0\u672c\u4e5f\u4f1a\u8fdb\u884c\u8def\u7531\u63a7\u5236\u3002<\/li>\n\n\n\n<li>\u8def\u7531\u5668\uff1a\u65e2\u914d\u6709IP\u5730\u5740\uff0c\u53c8\u80fd\u8fdb\u884c\u8def\u7531\u63a7\u5236\u3002\u5b9e\u9645\u73b0\u5728\u4e3b\u6d41\u7684\u8def\u7531\u5668\u5df2\u7ecf\u4e0d\u4ec5\u4ec5\u5177\u6709\u8def\u7531\u7684\u529f\u80fd\u4e86\uff0c\u5b83\u751a\u81f3\u5177\u5907\u67d0\u4e9b\u5e94\u7528\u5c42\u7684\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u8282\u70b9\uff1a\u4e3b\u673a\u548c\u8def\u7531\u5668\u7684\u7edf\u79f0\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">IP\u534f\u8bae\u683c\u5f0f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u534f\u8bae\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/cb78e7a4a25a4b75a9e2aa1ec04c9ea8.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/cb78e7a4a25a4b75a9e2aa1ec04c9ea8.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>4\u4f4d\u7248\u672c\u53f7\uff08version\uff09\uff1a\u6307\u5b9aIP\u534f\u8bae\u7684\u7248\u672c\uff08IPv4\/IPv6\uff09\uff0c\u5bf9\u4e8eIPv4\u6765\u8bf4\uff0c\u5c31\u662f4\u3002<\/li>\n\n\n\n<li>4\u4f4d\u9996\u90e8\u957f\u5ea6\uff08header length\uff09\uff1a\u8868\u793aIP\u62a5\u5934\u7684\u957f\u5ea6\uff0c\u4ee54\u5b57\u8282\u4e3a\u5355\u4f4d\u3002<\/li>\n\n\n\n<li>8\u4f4d\u670d\u52a1\u7c7b\u578b\uff08Type Of Service\uff09\uff1a3\u4f4d\u4f18\u5148\u6743\u5b57\u6bb5\uff08\u5df2\u7ecf\u5f03\u7528\uff09\uff0c4\u4f4dTOS\u5b57\u6bb5\uff0c\u548c1\u4f4d\u4fdd\u7559\u5b57\u6bb5\uff08\u5fc5\u987b\u7f6e\u4e3a0\uff09\u30024\u4f4dTOS\u5206\u522b\u8868\u793a\uff1a\u6700\u5c0f\u5ef6\u65f6\uff0c\u6700\u5927\u541e\u5410\u91cf\uff0c\u6700\u9ad8\u53ef\u9760\u6027\uff0c\u6700\u5c0f\u6210\u672c\u3002\u8fd9\u56db\u8005\u76f8\u4e92\u51b2\u7a81\uff0c\u53ea\u80fd\u9009\u62e9\u4e00\u4e2a\u3002\u6bd4\u5982\u5bf9\u4e8essh\/telnet\u8fd9\u6837\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u6700\u5c0f\u5ef6\u65f6\u6bd4\u8f83\u91cd\u8981\uff0c\u800c\u5bf9\u4e8eftp\u8fd9\u6837\u7684\u7a0b\u5e8f\uff0c\u6700\u5927\u541e\u5410\u91cf\u6bd4\u8f83\u91cd\u8981\u3002<\/li>\n\n\n\n<li>16\u4f4d\u603b\u957f\u5ea6\uff08total length\uff09\uff1aIP\u62a5\u6587\uff08IP\u62a5\u5934+\u6709\u6548\u8f7d\u8377\uff09\u7684\u603b\u957f\u5ea6\uff0c\u7528\u4e8e\u5c06\u5404\u4e2aIP\u62a5\u6587\u8fdb\u884c\u5206\u79bb\u3002<\/li>\n\n\n\n<li>16\u4f4d\u6807\u8bc6\uff08id\uff09\uff1a\u552f\u4e00\u7684\u6807\u8bc6\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\uff0c\u5982\u679c\u6570\u636e\u5728IP\u5c42\u8fdb\u884c\u4e86\u5206\u7247\uff0c\u90a3\u4e48\u6bcf\u4e00\u4e2a\u5206\u7247\u5bf9\u5e94\u7684id\u90fd\u662f\u76f8\u540c\u7684\u3002<\/li>\n\n\n\n<li>3\u4f4d\u6807\u5fd7\u5b57\u6bb5\uff1a\u7b2c\u4e00\u4f4d\u4fdd\u7559\uff0c\u8868\u793a\u6682\u65f6\u6ca1\u6709\u89c4\u5b9a\u8be5\u5b57\u6bb5\u7684\u610f\u4e49\u3002\u7b2c\u4e8c\u4f4d\u8868\u793a\u7981\u6b62\u5206\u7247\uff0c\u8868\u793a\u5982\u679c\u62a5\u6587\u957f\u5ea6\u8d85\u8fc7MTU\uff0cIP\u6a21\u5757\u5c31\u4f1a\u4e22\u5f03\u8be5\u62a5\u6587\u3002\u7b2c\u4e09\u4f4d\u8868\u793a\u201c\u66f4\u591a\u5206\u7247\u201d\uff0c\u5982\u679c\u62a5\u6587\u6ca1\u6709\u8fdb\u884c\u5206\u7247\uff0c\u5219\u8be5\u5b57\u6bb5\u8bbe\u7f6e\u4e3a0\uff0c\u5982\u679c\u62a5\u6587\u8fdb\u884c\u4e86\u5206\u7247\uff0c\u5219\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u5206\u7247\u62a5\u6587\u8bbe\u7f6e\u4e3a0\u4ee5\u5916\uff0c\u5176\u4f59\u5206\u7247\u62a5\u6587\u5747\u8bbe\u7f6e\u4e3a1\u3002<\/li>\n\n\n\n<li>13\u4f4d\u7247\u504f\u79fb\uff08framegament offset\uff09\uff1a\u5206\u7247\u76f8\u5bf9\u4e8e\u539f\u59cb\u6570\u636e\u5f00\u59cb\u5904\u7684\u504f\u79fb\uff0c\u8868\u793a\u5f53\u524d\u5206\u7247\u5728\u539f\u6570\u636e\u4e2d\u7684\u504f\u79fb\u4f4d\u7f6e\uff0c\u5b9e\u9645\u504f\u79fb\u7684\u5b57\u8282\u6570\u662f\u8fd9\u4e2a\u503c\u00d78\u5f97\u5230\u7684\u3002\u56e0\u6b64\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u62a5\u6587\u4e4b\u5916\uff0c\u5176\u4ed6\u62a5\u6587\u7684\u957f\u5ea6\u5fc5\u987b\u662f8\u7684\u6574\u6570\u500d\uff0c\u5426\u5219\u62a5\u6587\u5c31\u4e0d\u8fde\u7eed\u4e86\u3002<\/li>\n\n\n\n<li>8\u4f4d\u751f\u5b58\u65f6\u95f4\uff08Time To Live\uff0cTTL\uff09\uff1a\u6570\u636e\u62a5\u5230\u8fbe\u76ee\u7684\u5730\u7684\u6700\u5927\u62a5\u6587\u8df3\u6570\uff0c\u4e00\u822c\u662f64\uff0c\u6bcf\u7ecf\u8fc7\u4e00\u4e2a\u8def\u7531\uff0cTTL -= 1\uff0c\u4e00\u76f4\u51cf\u52300\u8fd8\u6ca1\u5230\u8fbe\uff0c\u90a3\u4e48\u5c31\u4e22\u5f03\u4e86\uff0c\u8fd9\u4e2a\u5b57\u6bb5\u4e3b\u8981\u662f\u7528\u6765\u9632\u6b62\u51fa\u73b0\u8def\u7531\u5faa\u73af\u3002<\/li>\n\n\n\n<li>8\u4f4d\u534f\u8bae\uff1a\u8868\u793a\u4e0a\u5c42\u534f\u8bae\u7684\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>16\u4f4d\u9996\u90e8\u68c0\u9a8c\u548c\uff1a\u4f7f\u7528CRC\u8fdb\u884c\u6821\u9a8c\uff0c\u6765\u9274\u522b\u6570\u636e\u62a5\u7684\u9996\u90e8\u662f\u5426\u635f\u574f\uff0c\u4f46\u4e0d\u68c0\u9a8c\u6570\u636e\u90e8\u5206\u3002<\/li>\n\n\n\n<li>32\u4f4d\u6e90IP\u5730\u5740\u548c32\u4f4d\u76ee\u7684IP\u5730\u5740\uff1a\u8868\u793a\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u6240\u5bf9\u5e94\u7684IP\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u9009\u9879\u5b57\u6bb5\uff1a\u4e0d\u5b9a\u957f\uff0c\u6700\u591a40\u5b57\u8282\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u62a5\u5934\u5728\u5185\u6838\u5f53\u4e2d\u672c\u8d28\u5c31\u662f\u4e00\u4e2a\u4f4d\u6bb5\u7c7b\u578b\uff0c\u7ed9\u6570\u636e\u5c01\u88c5IP\u62a5\u5934\u65f6\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u7528\u8be5\u4f4d\u6bb5\u7c7b\u578b\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\uff0c\u7136\u540e\u586b\u5145IP\u62a5\u5934\u5f53\u4e2d\u7684\u5404\u4e2a\u5c5e\u6027\u5b57\u6bb5\uff0c\u6700\u540e\u5c06\u8fd9\u4e2aIP\u62a5\u5934\u62f7\u8d1d\u5230\u6570\u636e\u7684\u9996\u90e8\uff0c\u81f3\u6b64\u4fbf\u5b8c\u6210\u4e86IP\u62a5\u5934\u7684\u5c01\u88c5\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">IP\u5982\u4f55\u5c06\u62a5\u5934\u4e0e\u6709\u6548\u8f7d\u8377\u8fdb\u884c\u5206\u79bb\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u5206\u79bb\u62a5\u5934\u4e0e\u6709\u6548\u8f7d\u8377\u7684\u65b9\u6cd5\u4e0eTCP\u662f\u4e00\u6a21\u4e00\u6837\u7684\uff0c\u5f53IP\u4ece\u5e95\u5c42\u83b7\u53d6\u5230\u4e00\u4e2a\u62a5\u6587\u540e\uff0c\u867d\u7136IP\u4e0d\u77e5\u9053\u62a5\u5934\u7684\u5177\u4f53\u957f\u5ea6\uff0c\u4f46IP\u62a5\u6587\u7684\u524d20\u4e2a\u5b57\u8282\u662fIP\u7684\u57fa\u672c\u62a5\u5934\uff0c\u5e76\u4e14\u8fd920\u5b57\u8282\u5f53\u4e2d\u6db5\u76d64\u4f4d\u9996\u90e8\u957f\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64IP\u662f\u8fd9\u6837\u5206\u79bb\u62a5\u5934\u4e0e\u6709\u6548\u8f7d\u8377\u7684\uff1a<\/p>\n\n\n\n<ul 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class=\"wp-block-paragraph\">IP\u5c31\u662f\u901a\u8fc7\u8fd9\u79cd\u201c\u5b9a\u957f\u62a5\u5934+\u81ea\u63cf\u8ff0\u5b57\u6bb5\u201d\u7684\u65b9\u5f0f\u8fdb\u884c\u62a5\u5934\u548c\u6709\u6548\u8f7d\u8377\u7684\u5206\u79bb\u7684\u3002\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cIP\u62a5\u5934\u5f53\u4e2d\u76844\u4f4d\u9996\u90e8\u957f\u5ea6\u63cf\u8ff0\u7684\u57fa\u672c\u5355\u4f4d\u4e0eTCP\u62a5\u5934\u5f53\u4e2d\u76844\u4f4d\u9996\u90e8\u957f\u5ea6\u4e00\u6837\uff0c\u90fd\u662f\u4ee54\u5b57\u8282\u4e3a\u5355\u4f4d\u8fdb\u884c\u63cf\u8ff0\u7684\uff0c\u8fd9\u4e5f\u6070\u597d\u662f\u62a5\u6587\u7684\u5bbd\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\u4f4d\u4e8c\u8fdb\u5236\u7684\u53d6\u503c\u8303\u56f40000~1111\uff0c\u56e0\u6b64IP\u62a5\u5934\u7684\u6700\u5927\u957f\u5ea6\u4e3a15\u00d74=60\uff0c\u56e0\u4e3a\u57fa\u672c\u62a5\u5934\u7684\u957f\u5ea6\u662f20\u5b57\u8282\uff0c\u6240\u4ee5IP\u62a5\u5934\u4e2d\u9009\u9879\u5b57\u6bb5\u7684\u957f\u5ea6\u6700\u591a\u662f40\u5b57\u8282\u3002\u5982\u679cIP\u62a5\u5934\u4e2d\u4e0d\u643a\u5e26\u9009\u9879\u5b57\u6bb5\uff0c\u90a3\u4e48IP\u62a5\u5934\u7684\u957f\u5ea6\u5c31\u662f20\u5b57\u8282\uff0c\u6b64\u65f6\u62a5\u5934\u5f53\u4e2d\u76844\u4f4d\u9996\u90e8\u957f\u5ea6\u5b57\u6bb5\u6240\u586b\u7684\u503c\u5c31\u662f20\u00f74=5\uff0c\u53730101\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">IP\u5982\u4f55\u51b3\u5b9a\u5c06\u6709\u6548\u8f7d\u8377\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u7684\u54ea\u4e00\u4e2a\u534f\u8bae\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u57fa\u4e8eIP\u534f\u8bae\u7684\u4f20\u8f93\u5c42\u534f\u8bae\u4e0d\u6b62\u4e00\u79cd\uff0c\u56e0\u6b64\u5f53IP\u4ece\u5e95\u5c42\u83b7\u53d6\u5230\u4e00\u4e2a\u62a5\u6587\u5e76\u5bf9\u5176\u8fdb\u884c\u89e3\u5305\u540e\uff0cIP\u9700\u8981\u77e5\u9053\u5e94\u8be5\u5c06\u5206\u79bb\u540e\u5f97\u5230\u7684\u6709\u6548\u8f7d\u8377\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u7684\u54ea\u4e00\u4e2a\u534f\u8bae\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728IP\u62a5\u5934\u5f53\u4e2d\u6709\u4e00\u4e2a\u5b57\u6bb5\u53eb\u505a8\u4f4d\u534f\u8bae\uff0c\u8be5\u5b57\u6bb5\u8868\u793a\u7684\u5c31\u662f\u4e0a\u5c42\u534f\u8bae\u7684\u7c7b\u578b\uff0cIP\u5c31\u662f\u6839\u636e\u8be5\u5b57\u6bb5\u5224\u5b9a\u5e94\u8be5\u5c06\u5206\u79bb\u51fa\u6765\u7684\u6709\u6548\u8f7d\u8377\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u7684\u54ea\u4e00\u4e2a\u534f\u8bae\u7684\u3002\u8be5\u5b57\u6bb5\u662f\u53d1\u9001\u65b9\u7684IP\u5c42\u4ece\u4e0a\u5c42\u4f20\u8f93\u5c42\u83b7\u53d6\u5230\u6570\u636e\u540e\u586b\u5145\u7684\uff0c\u6bd4\u5982\u662f\u4e0a\u5c42TCP\u4ea4\u7ed9IP\u5c42\u7684\u6570\u636e\uff0c\u90a3\u4e48\u8be5\u6570\u636e\u5728\u5c01\u88c5IP\u62a5\u5934\u65f6\u76848\u4f4d\u534f\u8bae\u586b\u5145\u7684\u5c31\u662fTCP\u5bf9\u5e94\u7684\u7f16\u53f7\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">32\u4f4d\u6e90IP\u5730\u5740\u548c32\u4f4d\u76ee\u7684IP\u5730\u5740<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u62a5\u5934\u5f53\u4e2d\u768432\u4f4d\u6e90IP\u5730\u5740\u548c32\u4f4d\u76ee\u7684IP\u5730\u5740\uff0c\u5206\u522b\u4ee3\u8868\u7684\u5c31\u662f\u8be5\u62a5\u6587\u7684\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u5bf9\u5e94\u7684IP\u5730\u5740\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-paragraph\"><strong>\u7406\u89e3socket\u7f16\u7a0b\uff1a<\/strong><\/p>\n\n\n\n<ul 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class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">8\u4f4d\u751f\u5b58\u65f6\u95f4<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u62a5\u6587\u5728\u7f51\u7edc\u4f20\u8f93\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u56e0\u4e3a\u67d0\u4e9b\u539f\u56e0\u5bfc\u81f4\u62a5\u6587\u65e0\u6cd5\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\uff0c\u6bd4\u5982\u62a5\u6587\u5728\u8def\u7531\u65f6\u51fa\u73b0\u4e86\u73af\u8def\u8def\u7531\u7684\u60c5\u51b5\uff0c\u6216\u8005\u76ee\u6807\u4e3b\u673a\u5df2\u7ecf\u5f02\u5e38\u79bb\u7ebf\u4e86\uff0c\u6b64\u65f6\u8fd9\u4e2a\u62a5\u6587\u5c31\u6210\u4e86\u4e00\u4e2a\u5e9f\u5f03\u7684\u6e38\u79bb\u62a5\u6587\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u907f\u514d\u7f51\u7edc\u5f53\u4e2d\u51fa\u73b0\u5927\u91cf\u7684\u6e38\u79bb\u62a5\u6587\uff0c\u4e8e\u662f\u5728IP\u7684\u62a5\u5934\u5f53\u4e2d\u5c31\u51fa\u73b0\u4e86\u4e00\u4e2a\u5b57\u6bb5\uff0c\u53eb\u505a8\u4f4d\u751f\u5b58\u65f6\u95f4\uff08Time To Live\uff0cTTL\uff09\u30028\u4f4d\u751f\u5b58\u65f6\u95f4\u4ee3\u8868\u7684\u662f\u62a5\u6587\u5230\u8fbe\u76ee\u7684\u5730\u7684\u6700\u5927\u62a5\u6587\u8df3\u6570\uff0c\u6bcf\u5f53\u62a5\u6587\u7ecf\u8fc7\u4e00\u6b21\u8def\u7531\uff0c\u8fd9\u91cc\u7684\u751f\u5b58\u65f6\u95f4\u5c31\u4f1a\u51cf\u4e00\uff0c\u5f53\u751f\u5b58\u65f6\u95f4\u51cf\u4e3a0\u65f6\u8be5\u62a5\u6587\u5c31\u4f1a\u88ab\u81ea\u52a8\u4e22\u5f03\uff0c\u6b64\u65f6\u8fd9\u4e2a\u62a5\u6587\u5c31\u4f1a\u5728\u7f51\u7edc\u4e2d\u6d88\u6563\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u7247\u4e0e\u7ec4\u88c5<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6570\u636e\u94fe\u8def\u5c42\u89e3\u51b3\u7684\u95ee\u9898<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u80fd\u591f\u5c06\u6570\u636e\u8de8\u7f51\u7edc\u4ece\u4e00\u53f0\u4e3b\u673a\u9001\u5230\u53e6\u4e00\u53f0\u4e3b\u673a\uff0c\u800c\u6570\u636e\u5728\u8fdb\u884c\u8de8\u7f51\u7edc\u4f20\u9001\u65f6\uff0c\u9700\u8981\u7ecf\u8fc7\u4e00\u4e2a\u4e2a\u7684\u8def\u7531\u5668\u8fdb\u884c\u8def\u7531\u8f6c\u53d1\uff0c\u6700\u7ec8\u624d\u80fd\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\u8981\u5c06\u6570\u636e\u4ece\u4e3b\u673aB\u8de8\u7f51\u7edc\u4f20\u9001\u5230\u4e3b\u673aC\uff0c\u90a3\u4e48\u4e3b\u673aB\u9700\u8981\u5148\u5c06\u6570\u636e\u4ea4\u7ed9\u8def\u7531\u5668F\uff0c\u8def\u7531\u5668F\u518d\u5c06\u6570\u636e\u4ea4\u7ed9\u8def\u7531\u5668G\uff0c\u2026\uff0c\u6700\u7ec8\u7531\u8def\u7531\u5668D\u5c06\u6570\u636e\u4ea4\u7ed9\u4e3b\u673aC\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/16ca94d37e7f4121a68811d085af4808-168430632020912.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/16ca94d37e7f4121a68811d085af4808-168430632020912.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64IP\u8fdb\u884c\u6570\u636e\u8de8\u7f51\u7edc\u4f20\u9001\u7684\u524d\u63d0\u662f\uff0c\u9700\u8981\u5148\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u8282\u70b9\u4f20\u9001\u5230\u548c\u81ea\u5df1\u76f8\u8fde\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9\uff0c\u8fd9\u4e2a\u95ee\u9898\u5b9e\u9645\u5c31\u662f\u7531IP\u4e4b\u4e0b\u7684\u6570\u636e\u94fe\u8def\u5c42\u89e3\u51b3\u7684\uff0c\u5176\u4e2d\u6570\u636e\u94fe\u8def\u5c42\u6700\u5178\u578b\u7684\u4ee3\u8868\u534f\u8bae\u5c31\u662fMAC\u5e27\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u4e24\u4e2a\u8282\u70b9\u76f4\u63a5\u76f8\u8fde\u4e5f\u5c31\u610f\u5473\u7740\u8fd9\u4e24\u4e2a\u8282\u70b9\u662f\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u5f53\u4e2d\u7684\uff0c\u56e0\u6b64\u8981\u8ba8\u8bba\u4e24\u4e2a\u76f8\u90bb\u8282\u70b9\u7684\u6570\u636e\u4f20\u9001\u65f6\uff0c\u5b9e\u9645\u8ba8\u8bba\u7684\u5c31\u662f\u5c40\u57df\u7f51\u901a\u4fe1\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6700\u5927\u4f20\u8f93\u5355\u5143 MTU<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">MAC\u5e27\u4f5c\u4e3a\u6570\u636e\u94fe\u8def\u5c42\u7684\u534f\u8bae\uff0c\u5b83\u4f1a\u5c06IP\u4f20\u4e0b\u6765\u7684\u6570\u636e\u5c01\u88c5\u6210\u6570\u636e\u5e27\uff0c\u7136\u540e\u53d1\u9001\u5230\u7f51\u7edc\u5f53\u4e2d\u3002\u4f46MAC\u5e27\u643a\u5e26\u7684\u6709\u6548\u8f7d\u8377\u7684\u6700\u5927\u957f\u5ea6\u662f\u6709\u9650\u5236\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4IP\u4ea4\u7ed9MAC\u5e27\u7684\u62a5\u6587\u4e0d\u80fd\u8d85\u8fc7\u67d0\u4e2a\u503c\uff0c\u8fd9\u4e2a\u503c\u5c31\u53eb\u505a\u6700\u5927\u4f20\u8f93\u5355\u5143\uff08Maximum Transmission Unit\uff0cMTU\uff09\uff0c\u8fd9\u4e2a\u503c\u7684\u5927\u5c0f\u4e00\u822c\u662f1500\u5b57\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Linux\u4e0b\u4f7f\u7528<code>ifconfig<\/code>\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5bf9\u5e94\u7684MTU\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/f354ae9fbb1246b2ba361ef8b0db6d69.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/f354ae9fbb1246b2ba361ef8b0db6d69.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8eMAC\u5e27\u65e0\u6cd5\u53d1\u9001\u5927\u4e8e1500\u5b57\u8282\u7684\u6570\u636e\uff0c\u56e0\u6b64IP\u5c42\u5411\u4e0b\u4ea4\u4ed8\u7684\u6570\u636e\u7684\u957f\u5ea6\u4e0d\u80fd\u8d85\u8fc71500\u5b57\u8282\uff0c\u8fd9\u91cc\u6240\u8bf4\u7684\u6570\u636e\u5305\u62ecIP\u7684\u62a5\u5934\u548cIP\u7684\u6709\u6548\u8f7d\u8377\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5206\u7247\u4e0e\u7ec4\u88c5<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679cIP\u5c42\u8981\u4f20\u9001\u7684\u6570\u636e\u8d85\u8fc7\u4e861500\u5b57\u8282\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u5148\u5728IP\u5c42\u5bf9\u8be5\u6570\u636e\u8fdb\u884c\u5206\u7247\uff0c\u7136\u540e\u518d\u5c06\u5206\u7247\u540e\u7684\u6570\u636e\u4ea4\u7ed9\u4e0b\u5c42MAC\u5e27\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/26951bd6cee8488181ab4b56c56d342a.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/26951bd6cee8488181ab4b56c56d342a.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u53d1\u9001\u6570\u636e\u65f6\u5728IP\u5c42\u8fdb\u884c\u4e86\u5206\u7247\uff0c\u90a3\u4e48\u5f53\u8fd9\u4e9b\u5206\u7247\u6570\u636e\u5230\u8fbe\u5bf9\u7aef\u4e3b\u673a\u7684IP\u5c42\u540e\u5c31\u9700\u8981\u5148\u8fdb\u884c\u7ec4\u88c5\uff0c\u7136\u540e\u518d\u5c06\u7ec4\u88c5\u597d\u7684\u6570\u636e\u4ea4\u4ed8\u7ed9\u4e0a\u5c42\u4f20\u8f93\u5c42\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/4c080dea345342ffbdc2e90384e512b7.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/4c080dea345342ffbdc2e90384e512b7.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u7684\u5206\u7247\u4e0d\u662f\u7ecf\u5e38\u9700\u8981\u505a\u7684\uff0c\u5b9e\u9645\u5728\u7f51\u7edc\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u4e0d\u5206\u7247\u624d\u662f\u5e38\u6001\uff0c\u56e0\u4e3a\u6570\u636e\u5206\u7247\u4f1a\u5b58\u5728\u4e00\u4e9b\u6f5c\u5728\u7684\u95ee\u9898\uff0c\u6bd4\u5982\u5206\u7247\u53ef\u80fd\u4f1a\u589e\u52a0\u4e22\u5305\u7684\u6982\u7387\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u7684\u5206\u7247\u548c\u7ec4\u88c5\u53d1\u751f\u5728IP\u5c42\uff0c\u4e0d\u4ec5\u6e90\u7aef\u4e3b\u673a\u53ef\u80fd\u4f1a\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7247\uff0c\u6570\u636e\u5728\u8def\u7531\u8fc7\u7a0b\u4e2d\u7684\u8def\u7531\u5668\u4e5f\u53ef\u80fd\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7247\u3002\u56e0\u4e3a\u4e0d\u540c\u7f51\u7edc\u7684MTU\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u5982\u679c\u4f20\u8f93\u8def\u5f84\u4e0a\u7684\u67d0\u4e2a\u7f51\u7edc\u7684MTU\u6bd4\u6e90\u7aef\u7f51\u7edc\u7684MTU\u5c0f\uff0c\u90a3\u4e48\u8def\u7531\u5668\u5c31\u53ef\u80fd\u5bf9IP\u6570\u636e\u62a5\u518d\u6b21\u8fdb\u884c\u5206\u7247\u3002<\/li>\n\n\n\n<li>\u5206\u7247\u6570\u636e\u7684\u7ec4\u88c5\u53ea\u4f1a\u53d1\u751f\u5728\u76ee\u7684\u7aef\u7684IP\u5c42\u3002<\/li>\n\n\n\n<li>\u5728\u5206\u7247\u7684\u6570\u636e\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u5206\u7247\u5728IP\u5c42\u90fd\u4f1a\u88ab\u6dfb\u52a0\u4e0a\u5bf9\u5e94\u7684IP\u62a5\u5934\uff0c\u800c\u4f20\u8f93\u5c42\u6dfb\u52a0\u7684\u62a5\u5934\u53ea\u4f1a\u51fa\u73b0\u5728\u7b2c\u4e00\u4e2a\u5206\u7247\u4e2d\uff0c\u56e0\u6b64\u7f51\u7edc\u4e2d\u4f20\u8f93\u7684\u6570\u636e\u5305\u53ef\u80fd\u6ca1\u6709\u4f20\u8f93\u5c42\u7684\u62a5\u5934\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6570\u636e\u7684\u5206\u7247\u548c\u7ec4\u88c5\u90fd\u662f\u7531IP\u5c42\u5b8c\u6210\u7684<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u7684\u5206\u7247\u548c\u7ec4\u88c5\u90fd\u662f\u5728IP\u5c42\u5b8c\u6210\u7684\uff0c\u4e0a\u5c42\u7684\u4f20\u8f93\u5c42\u548c\u4e0b\u5c42\u7684\u94fe\u8def\u5c42\u5e76\u4e0d\u5173\u5fc3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f20\u8f93\u5c42\u53ea\u8d1f\u8d23\u4e3a\u6570\u636e\u4f20\u9001\u63d0\u4f9b\u53ef\u9760\u6027\u4fdd\u8bc1\uff0c\u6bd4\u5982\u5f53\u6570\u636e\u4f20\u9001\u5931\u8d25\u540e\uff0c\u4f20\u8f93\u5c42\u7684TCP\u534f\u8bae\u53ef\u4ee5\u7ec4\u7ec7\u8fdb\u884c\u6570\u636e\u91cd\u4f20\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53TCP\u5c06\u5f85\u53d1\u9001\u7684\u6570\u636e\u4ea4\u7ed9IP\u540e\uff0cTCP\u5e76\u4e0d\u5173\u5fc3\u8be5\u6570\u636e\u662f\u5426\u4f1a\u5728IP\u5c42\u8fdb\u884c\u5206\u7247\uff0c\u5373TCP\u5e76\u4e0d\u5173\u5fc3\u6570\u636e\u5177\u4f53\u7684\u53d1\u9001\u8fc7\u7a0b\u3002<\/li>\n\n\n\n<li>\u5f53TCP\u4eceIP\u83b7\u53d6\u5230\u6570\u636e\u540e\uff0cTCP\u4e5f\u4e0d\u5173\u5fc3\u8be5\u6570\u636e\u662f\u5426\u5728IP\u5c42\u7ecf\u8fc7\u4e86\u7ec4\u88c5\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u94fe\u8def\u5c42\u7684MAC\u5e27\u53ea\u8d1f\u8d23\uff0c\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u8282\u70b9\u4f20\u9001\u5230\u548c\u81ea\u5df1\u76f8\u8fde\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53IP\u5c06\u5f85\u53d1\u9001\u7684\u6570\u636e\u4ea4\u7ed9MAC\u5e27\u540e\uff0cMAC\u5e27\u5e76\u4e0d\u77e5\u9053\u8be5\u6570\u636e\u662fIP\u7ecf\u8fc7\u5206\u7247\u540e\u7684\u67d0\u4e2a\u5206\u7247\u6570\u636e\uff0c\u8fd8\u662f\u4e00\u4e2a\u6ca1\u6709\u7ecf\u8fc7\u5206\u7247\u7684\u6570\u636e\uff0cMAC\u5e27\u53ea\u77e5\u9053\u5b83\u4e00\u6b21\u6700\u591a\u53ea\u80fd\u53d1\u9001MTU\u5927\u5c0f\u7684\u6570\u636e\uff0c\u5982\u679cIP\u4ea4\u7ed9MAC\u5e27\u5927\u4e8eMTU\u5b57\u8282\u7684\u6570\u636e\uff0c\u90a3MAC\u5e27\u5c31\u65e0\u6cd5\u8fdb\u884c\u53d1\u9001\u3002<\/li>\n\n\n\n<li>\u5f53MAC\u5e27\u4ece\u7f51\u7edc\u4e2d\u83b7\u53d6\u5230\u6570\u636e\u540e\uff0cMAC\u5e27\u4e5f\u4e0d\u5173\u5fc3\u8fd9\u4e2a\u6570\u636e\u662f\u5426\u9700\u8981\u8fdb\u884c\u7ec4\u88c5\uff0cMAC\u5e27\u53ea\u9700\u8981\u5c06\u8be5\u6570\u636e\u7684MAC\u5e27\u62a5\u5934\u53bb\u6389\u540e\u76f4\u63a5\u4e0a\u4ea4\u7ed9\u4e0a\u5c42IP\u5c31\u884c\u4e86\uff0c\u800c\u81f3\u4e8e\u8be5\u6570\u636e\u7684\u7ec4\u88c5\u95ee\u9898\u5219\u662fIP\u9700\u8981\u89e3\u51b3\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u6570\u636e\u7684\u5206\u7247\u548c\u7ec4\u88c5\u5b8c\u5168\u662f\u7531IP\u534f\u8bae\u81ea\u5df1\u5b8c\u6210\u7684\uff0c\u4f20\u8f93\u5c42\u548c\u94fe\u8def\u5c42\u4e0d\u5fc5\u5173\u5fc3\u4e5f\u4e0d\u9700\u8981\u5173\u5fc3\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5206\u7247\u7684\u8fc7\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbeIP\u5c42\u8981\u53d1\u90014500\u5b57\u8282\u7684\u6570\u636e\uff0c\u7531\u4e8e\u8be5\u6570\u636e\u8d85\u8fc7\u4e86MAC\u5e27\u89c4\u5b9a\u7684MTU\uff0c\u56e0\u6b64IP\u9700\u8981\u5148\u5c06\u8be5\u6570\u636e\u8fdb\u884c\u5206\u7247\uff0c\u7136\u540e\u518d\u5c06\u4e00\u4e2a\u4e2a\u7684\u5206\u7247\u4ea4\u7ed9MAC\u5e27\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u62a5\u5934\u5982\u679c\u4e0d\u643a\u5e26\u9009\u9879\u5b57\u6bb5\uff0c\u90a3\u4e48\u5176\u5927\u5c0f\u5c31\u662f20\u5b57\u8282\uff0c\u5047\u8bbeIP\u5c42\u6dfb\u52a0\u7684IP\u62a5\u5934\u7684\u957f\u5ea6\u5c31\u662f20\u5b57\u8282\uff0c\u5e76\u6309\u4e0b\u5217\u65b9\u5f0f\u5c06\u6570\u636e\u5206\u7247\u540e\u5f62\u6210\u4e86\u56db\u4e2a\u5206\u7247\u62a5\u6587\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u5206\u7247\u62a5\u6587<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u603b\u5b57\u8282\u6570<\/th><th class=\"has-text-align-center\" data-align=\"center\">IP\u62a5\u5934\u5b57\u8282\u6570<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6570\u636e\u5b57\u8282\u6570<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">1500<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">1480<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1500<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">1480<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">1500<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">1480<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">80<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">60<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5206\u7247\u540e\u7684\u6bcf\u4e00\u4e2a\u5206\u7247\u6570\u636e\u90fd\u9700\u8981\u5c01\u88c5\u4e0a\u5bf9\u5e94\u7684IP\u62a5\u5934\uff0c\u56e0\u6b644500\u5b57\u8282\u7684\u6570\u636e\u81f3\u5c11\u9700\u8981\u5206\u4e3a\u56db\u4e2a\u5206\u7247\u62a5\u6587\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u7247\u62a5\u6587\u5230\u8fbe\u5bf9\u65b9\u7684IP\u5c42\u540e\u9700\u8981\u88ab\u91cd\u65b0\u7ec4\u88c5\u8d77\u6765\uff0c\u56e0\u6b64IP\u5c42\u5728\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u7247\u65f6\u9700\u8981\u8bb0\u5f55\u5206\u7247\u7684\u4fe1\u606f\uff0c\u800cIP\u62a5\u5934\u5f53\u4e2d\u768416\u4f4d\u6807\u8bc6\u30013\u4f4d\u6807\u5fd7\u548c13\u4f4d\u7247\u504f\u79fb\u5b9e\u9645\u5c31\u662f\u4e0e\u6570\u636e\u5206\u7247\u76f8\u5173\u7684\u5b57\u6bb5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>16\u4f4d\u6807\u8bc6\uff1a\u552f\u4e00\u6807\u8bc6\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\uff0c\u5982\u679c\u6570\u636e\u5728IP\u5c42\u8fdb\u884c\u4e86\u5206\u7247\uff0c\u90a3\u4e48\u6bcf\u4e00\u4e2a\u5206\u7247\u62a5\u6587\u768416\u4f4d\u6807\u8bc6\u662f\u76f8\u540c\u7684\u3002<\/li>\n\n\n\n<li>3\u4f4d\u6807\u5fd7\uff1a\u7b2c\u4e00\u4f4d\u4fdd\u7559\uff0c\u8868\u793a\u6682\u65f6\u6ca1\u6709\u89c4\u5b9a\u8be5\u5b57\u6bb5\u7684\u610f\u4e49\u3002\u7b2c\u4e8c\u4f4d\u8868\u793a\u7981\u6b62\u5206\u7247\uff0c\u8868\u793a\u5982\u679c\u62a5\u6587\u957f\u5ea6\u8d85\u8fc7MTU\uff0cIP\u6a21\u5757\u5c31\u4f1a\u4e22\u5f03\u8be5\u62a5\u6587\u3002\u7b2c\u4e09\u4f4d\u8868\u793a\u201c\u66f4\u591a\u5206\u7247\u201d\uff0c\u5982\u679c\u62a5\u6587\u6ca1\u6709\u8fdb\u884c\u5206\u7247\uff0c\u5219\u8be5\u5b57\u6bb5\u8bbe\u7f6e\u4e3a0\uff0c\u5982\u679c\u62a5\u6587\u8fdb\u884c\u4e86\u5206\u7247\uff0c\u5219\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u5206\u7247\u62a5\u6587\u8bbe\u7f6e\u4e3a0\u4ee5\u5916\uff0c\u5176\u4f59\u5206\u7247\u62a5\u6587\u5747\u8bbe\u7f6e\u4e3a1\u3002<\/li>\n\n\n\n<li>13\u4f4d\u7247\u504f\u79fb\uff1a\u5206\u7247\u76f8\u5bf9\u4e8e\u539f\u59cb\u6570\u636e\u5f00\u59cb\u5904\u7684\u504f\u79fb\uff0c\u8868\u793a\u5f53\u524d\u5206\u7247\u5728\u539f\u6570\u636e\u4e2d\u7684\u504f\u79fb\u4f4d\u7f6e\uff0c\u5b9e\u9645\u504f\u79fb\u7684\u5b57\u8282\u6570\u662f\u8fd9\u4e2a\u503c\u00d78\u5f97\u5230\u7684\u3002\u56e0\u6b64\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u62a5\u6587\u4e4b\u5916\uff0c\u5176\u4ed6\u62a5\u6587\u7684\u957f\u5ea6\u5fc5\u987b\u662f8\u7684\u6574\u6570\u500d\uff0c\u5426\u5219\u62a5\u6587\u5c31\u4e0d\u8fde\u7eed\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u4e0a\u8ff0\u56db\u4e2a\u5206\u7247\u62a5\u6587\u5bf9\u5e94\u768416\u4f4d\u6807\u8bc6\u90fd\u662f\u4e00\u6837\u7684\uff0c\u5047\u8bbe\u56db\u4e2a\u5206\u7247\u62a5\u6587\u768416\u4f4d\u6807\u8bc6\u90fd\u662f123\uff0c\u5219\u8fd9\u56db\u4e2a\u62a5\u6587\u5bf9\u5e94\u768416\u4f4d\u6807\u8bc6\u30013\u4f4d\u6807\u5fd7\u4e2d\u7684\u201c\u66f4\u591a\u5206\u7247\u201d\u548c13\u4f4d\u7247\u504f\u79fb\u5206\u522b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u5206\u7247\u62a5\u6587<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u603b\u5b57\u8282\u6570<\/th><th class=\"has-text-align-center\" data-align=\"center\">IP\u62a5\u5934\u5b57\u8282\u6570<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6570\u636e\u5b57\u8282\u6570<\/th><th class=\"has-text-align-center\" data-align=\"center\">16\u4f4d\u6807\u8bc6<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u201c\u66f4\u591a\u5206\u7247\u201d<\/th><th class=\"has-text-align-center\" data-align=\"center\">13\u4f4d\u7247\u504f\u79fb<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">1500<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">1480<\/td><td class=\"has-text-align-center\" data-align=\"center\">123<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1500<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">1480<\/td><td class=\"has-text-align-center\" data-align=\"center\">123<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">185<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">1500<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">1480<\/td><td class=\"has-text-align-center\" data-align=\"center\">123<\/td><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">370<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">80<\/td><td class=\"has-text-align-center\" data-align=\"center\">20<\/td><td class=\"has-text-align-center\" data-align=\"center\">60<\/td><td class=\"has-text-align-center\" data-align=\"center\">123<\/td><td class=\"has-text-align-center\" data-align=\"center\">0<\/td><td class=\"has-text-align-center\" data-align=\"center\">555<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c13\u4f4d\u7247\u504f\u79fb\u5f53\u4e2d\u8bb0\u5f55\u7684\u5b57\u8282\u6570\u662f\u5f53\u524d\u5206\u7247\u5728\u539f\u6570\u636e\u5f00\u59cb\u5904\u7684\u504f\u79fb\u5b57\u8282\u6570\u7684\u503c\u00f78\u5f97\u5230\u7684\uff0c\u6bd4\u5982\u5206\u7247\u62a5\u65872\u5728\u539f\u59cb\u6570\u636e\u5f00\u59cb\u5904\u7684\u504f\u79fb\u5b57\u8282\u6570\u662f1480\uff0c\u5176\u5bf9\u5e94\u768413\u4f4d\u7247\u504f\u79fb\u7684\u503c\u5c31\u662f1480\u00f78=185\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/50afd2738bb44c1c820beb44a9768981.png'><img class=\"lazyload 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class=\"wp-block-paragraph\">MAC\u5e27\u4ea4\u7ed9IP\u5c42\u7684\u6570\u636e\u53ef\u80fd\u6765\u81ea\u4e16\u754c\u5404\u5730\uff0c\u8fd9\u4e9b\u6570\u636e\u53ef\u80fd\u662f\u7ecf\u8fc7\u5206\u7247\u540e\u53d1\u9001\u7684\uff0c\u4e5f\u53ef\u80fd\u662f\u6ca1\u6709\u7ecf\u8fc7\u5206\u7247\u76f4\u63a5\u53d1\u9001\u7684\uff0c\u56e0\u6b64IP\u5fc5\u987b\u8981\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u6765\u533a\u5206\u6536\u5230\u7684\u5404\u4e2a\u6570\u636e\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u53ea\u8981\u5206\u7247\u62a5\u6587\u5f53\u4e2d\u7684\u67d0\u4e00\u4e2a\u51fa\u73b0\u4e86\u4e22\u5305\uff0c\u6b64\u65f6\u4f20\u8f93\u5c42\u90fd\u9700\u8981\u5c06\u6570\u636e\u6574\u4f53\u8fdb\u884c\u91cd\u4f20\uff0c\u56e0\u4e3a\u4f20\u8f93\u5c42\u5e76\u4e0d\u77e5\u9053\u5e95\u5c42IP\u5bf9\u6570\u636e\u8fdb\u884c\u4e86\u5206\u7247\uff0c\u5f53\u4f20\u8f93\u5c42\u53d1\u9001\u51fa\u53bb\u7684\u6570\u636e\u5f97\u4e0d\u5230\u5e94\u7b54\u65f6\u4f20\u8f93\u5c42\u5c31\u53ea\u80fd\u5c06\u6570\u636e\u6574\u4f53\u8fdb\u884c\u91cd\u4f20\uff0c\u56e0\u6b64\u6570\u636e\u5728\u53d1\u9001\u65f6\u4e0d\u5efa\u8bae\u8fdb\u884c\u5206\u7247\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5982\u4f55\u5c3d\u53ef\u80fd\u907f\u514d\u5206\u7247\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u6570\u636e\u5206\u7247\u7684\u6839\u672c\u539f\u56e0\u5728\u4e8e\u4f20\u8f93\u5c42\u4e00\u6b21\u5411\u4e0b\u4ea4\u4ed8\u7684\u6570\u636e\u592a\u591a\u4e86\uff0c\u5bfc\u81f4IP\u65e0\u6cd5\u76f4\u63a5\u5c06\u6570\u636e\u5411\u4e0b\u4ea4\u7ed9MAC\u5e27\uff0c\u5982\u679c\u4f20\u8f93\u5c42\u63a7\u5236\u597d\u4e00\u6b21\u4ea4\u7ed9IP\u7684\u6570\u636e\u91cf\u4e0d\u8981\u592a\u5927\uff0c\u90a3\u4e48\u6570\u636e\u5728IP\u5c42\u81ea\u7136\u4e5f\u5c31\u4e0d\u9700\u8981\u8fdb\u884c\u5206\u7247\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56e0\u6b64TCP\u4f5c\u4e3a\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff0c\u5b83\u9700\u8981\u63a7\u5236\u4e00\u6b21\u5411\u4e0b\u4ea4\u4ed8\u6570\u636e\u4e0d\u80fd\u8d85\u8fc7\u67d0\u4e00\u9608\u503c\uff0c\u8fd9\u4e2a\u9608\u503c\u5c31\u53eb\u505aMSS\uff08Maximum Segment Size\uff0c\u6700\u5927\u62a5\u6587\u6bb5\u957f\u5ea6\uff09\u3002<\/li>\n\n\n\n<li>\u901a\u4fe1\u53cc\u65b9\u5728\u5efa\u7acbTCP\u8fde\u63a5\u65f6\uff0c\u9664\u4e86\u9700\u8981\u534f\u5546\u81ea\u8eab\u7a97\u53e3\u5927\u5c0f\u7b49\u6982\u5ff5\u4e4b\u5916\uff0c\u8fd8\u4f1a\u534f\u5546\u540e\u7eed\u901a\u4fe1\u65f6\u6bcf\u4e00\u4e2a\u62a5\u6587\u6bb5\u6240\u80fd\u627f\u8f7d\u7684\u6700\u5927\u62a5\u6587\u6bb5\u957f\u5ea6MSS\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">MAC\u5e27\u7684\u6709\u6548\u8f7d\u8377\u6700\u5927\u4e3aMTU\uff0cTCP\u7684\u6709\u6548\u8f7d\u8377\u6700\u5927\u4e3aMSS\uff0c\u7531\u4e8eTCP\u548cIP\u5e38\u89c4\u60c5\u51b5\u4e0b\u62a5\u5934\u7684\u957f\u5ea6\u90fd\u662f20\u5b57\u8282\uff0c\u56e0\u6b64\u4e00\u822c\u60c5\u51b5\u4e0b MSS = MTU &#8211; 20 &#8211; 20\uff0c\u800cMTU\u7684\u503c\u4e00\u822c\u662f1500\u5b57\u8282\uff0c\u56e0\u6b64MSS\u7684\u503c\u4e00\u822c\u5c31\u662f1460\u5b57\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u4e00\u822c\u5efa\u8baeTCP\u5c06\u53d1\u9001\u7684\u6570\u636e\u63a7\u5236\u57281460\u5b57\u8282\u4ee5\u5185\uff0c\u6b64\u65f6\u5c31\u80fd\u591f\u964d\u4f4e\u6570\u636e\u5206\u7247\u7684\u53ef\u80fd\u6027\u3002\u4e4b\u6240\u4ee5\u8bf4\u662f\u964d\u4f4e\u6570\u636e\u5206\u7247\u7684\u53ef\u80fd\u6027\uff0c\u662f\u56e0\u4e3a\u6bcf\u4e2a\u7f51\u7edc\u7684\u94fe\u8def\u5c42\u5bf9\u5e94\u7684MTU\u53ef\u80fd\u662f\u4e0d\u540c\u7684\uff0c\u5982\u679c\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u8fdb\u5165\u5230\u4e86\u4e00\u4e2aMTU\u8f83\u5c0f\u7684\u7f51\u7edc\uff0c\u90a3\u4e48\u8be5\u6570\u636e\u4ecd\u7136\u53ef\u80fd\u9700\u8981\u5728\u8def\u7531\u5668\u4e2d\u8fdb\u884c\u5206\u7247\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f51\u6bb5\u5212\u5206<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">IP\u5730\u5740\u7684\u6784\u6210<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u5730\u5740\u7531\u7f51\u7edc\u53f7\u548c\u4e3b\u673a\u53f7\u4e24\u90e8\u5206\u6784\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f51\u7edc\u53f7\uff1a\u4fdd\u8bc1\u76f8\u4e92\u8fde\u63a5\u7684\u4e24\u4e2a\u7f51\u6bb5\u5177\u6709\u4e0d\u540c\u7684\u6807\u8bc6\u3002<\/li>\n\n\n\n<li>\u4e3b\u673a\u53f7\uff1a\u540c\u4e00\u7f51\u6bb5\u5185\uff0c\u4e3b\u673a\u4e4b\u95f4\u5177\u6709\u76f8\u540c\u7684\u7f51\u7edc\u53f7\uff0c\u4f46\u662f\u5fc5\u987b\u6709\u4e0d\u540c\u7684\u4e3b\u673a\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u5728IP\u5730\u5740\u7684\u540e\u9762\u52a0\u4e00\u4e2a\/\uff0c\u5e76\u5728\/\u540e\u9762\u52a0\u4e0a\u4e00\u4e2a\u6570\u5b57\uff0c\u8fd9\u5c31\u8868\u793a\u4ece\u6570\u5230\u7b2c\u51e0\u4f4d\u4e3a\u6b62\u5c5e\u4e8e\u7f51\u7edc\u6807\u8bc6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff0c\u4e0b\u56fe\u4e2d\u8def\u7531\u5668\u8fde\u63a5\u4e86\u4e24\u4e2a\u7f51\u6bb5\u3002\u5bf9\u4e8e\u7f51\u7edc\u6807\u8bc6\u6765\u8bb2\uff0c\u540c\u4e00\u7f51\u6bb5\u5185\u4e3b\u673a\u7684\u7f51\u7edc\u6807\u8bc6\u662f\u76f8\u540c\u7684\uff0c\u4e0d\u540c\u7f51\u6bb5\u5185\u4e3b\u673a\u7684\u7f51\u7edc\u6807\u8bc6\u662f\u4e0d\u540c\u7684\u3002\u800c\u5bf9\u4e8e\u4e3b\u673a\u6807\u8bc6\u6765\u8bb2\uff0c\u540c\u4e00\u7f51\u6bb5\u5185\u4e3b\u673a\u7684\u4e3b\u673a\u6807\u8bc6\u662f\u4e0d\u540c\u7684\uff0c\u4e0d\u540c\u7f51\u6bb5\u5185\u4e3b\u673a\u7684\u4e3b\u673a\u6807\u8bc6\u662f\u53ef\u4ee5\u76f8\u540c\u7684\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/15f6674881194687a007a9c6d3dd1606.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/15f6674881194687a007a9c6d3dd1606.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7684\u5b50\u7f51\u5176\u5b9e\u5c31\u662f\u628a\u7f51\u7edc\u53f7\u76f8\u540c\u7684\u4e3b\u673a\u653e\u5230\u4e00\u8d77\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5728\u5b50\u7f51\u4e2d\u65b0\u589e\u4e00\u53f0\u4e3b\u673a\uff0c\u5219\u8fd9\u53f0\u4e3b\u673a\u7684\u7f51\u7edc\u53f7\u548c\u8fd9\u4e2a\u5b50\u7f51\u7684\u7f51\u7edc\u53f7\u4e00\u81f4\uff0c\u4f46\u662f\u4e3b\u673a\u53f7\u5fc5\u987b\u4e0d\u80fd\u548c\u5b50\u7f51\u4e2d\u7684\u5176\u4ed6\u4e3b\u673a\u91cd\u590d\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">DHCP\u534f\u8bae<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u624b\u52a8\u7ba1\u7406IP\u5730\u5740\u662f\u4e00\u4e2a\u975e\u5e38\u9ebb\u70e6\u7684\u4e8b\u60c5\uff0c\u5f53\u5b50\u7f51\u4e2d\u65b0\u589e\u4e3b\u673a\u65f6\u9700\u8981\u7ed9\u5176\u5206\u914d\u4e00\u4e2aIP\u5730\u5740\uff0c\u5f53\u5b50\u7f51\u5f53\u4e2d\u6709\u4e3b\u673a\u65ad\u5f00\u7f51\u7edc\u65f6\u53c8\u9700\u8981\u5c06\u5176IP\u5730\u5740\u8fdb\u884c\u56de\u6536\uff0c\u4fbf\u4e8e\u5206\u914d\u7ed9\u540e\u7eed\u65b0\u589e\u7684\u4e3b\u673a\u4f7f\u7528\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u56e0\u6b64\u5bf9\u4e8eIP\u5730\u5740\u7684\u5206\u914d\u548c\u56de\u6536\u4e00\u822c\u4e0d\u4f1a\u624b\u52a8\u8fdb\u884c\uff0c\u800c\u662f\u91c7\u7528DHCP\uff08Dynamic Host Configuration Protocol\uff0c\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae\uff09\u6280\u672f\u3002<\/li>\n\n\n\n<li>DHCP\u901a\u5e38\u88ab\u5e94\u7528\u5728\u5927\u578b\u7684\u5c40\u57df\u7f51\u73af\u5883\u4e2d\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u5c31\u662f\u96c6\u4e2d\u5730\u5740\u7ba1\u7406\u3001\u5206\u914dIP\u5730\u5740\uff0c\u4f7f\u7f51\u7edc\u73af\u5883\u4e2d\u7684\u4e3b\u673a\u52a8\u6001\u83b7\u5f97IP\u5730\u5740\u3001Gateway\u5730\u5740\u3001DNS\u670d\u52a1\u5668\u5730\u5740\u7b49\u4fe1\u606f\uff0c\u5e76\u80fd\u591f\u63d0\u5347\u5730\u5740\u7684\u4f7f\u7528\u7387\u3002<\/li>\n\n\n\n<li>DHCP\u662f\u4e00\u4e2a\u57fa\u4e8eUDP\u7684\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u4e00\u822c\u7684\u8def\u7531\u5668\u90fd\u5e26\u6709DHCP\u529f\u80fd\uff0c\u56e0\u6b64\u8def\u7531\u5668\u4e5f\u53ef\u4ee5\u770b\u4f5c\u4e00\u4e2aDHCP\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6211\u4eec\u8fde\u63a5WiFi\u65f6\u9700\u8981\u8f93\u5165\u5bc6\u7801\uff0c\u672c\u8d28\u5c31\u662f\u56e0\u4e3a\u8def\u7531\u5668\u9700\u8981\u9a8c\u8bc1\u4f60\u7684\u8d26\u53f7\u548c\u5bc6\u7801\uff0c\u5982\u679c\u9a8c\u8bc1\u901a\u8fc7\uff0c\u90a3\u4e48\u8def\u7531\u5668\u5c31\u4f1a\u7ed9\u4f60\u52a8\u6001\u5206\u914d\u4e86\u4e00\u4e2aIP\u5730\u5740\uff0c\u7136\u540e\u4f60\u5c31\u53ef\u4ee5\u57fa\u4e8e\u8fd9\u4e2aIP\u5730\u5740\u8fdb\u884c\u5404\u79cd\u4e0a\u7f51\u52a8\u4f5c\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5148\u627e\u76ee\u6807\u7f51\u7edc\uff0c\u518d\u627e\u76ee\u6807\u4e3b\u673a<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53IP\u8981\u5c06\u6570\u636e\u8de8\u7f51\u7edc\u4ece\u4e00\u53f0\u4e3b\u673a\u53d1\u9001\u5230\u53e6\u4e00\u53f0\u4e3b\u673a\u65f6\uff0c\u5176\u5b9e\u4e0d\u662f\u76f4\u63a5\u5c06\u6570\u636e\u53d1\u9001\u5230\u4e86\u76ee\u6807\u4e3b\u673a\uff0c\u800c\u662f\u5148\u5c06\u6570\u636e\u53d1\u9001\u5230\u76ee\u6807\u4e3b\u673a\u6240\u5728\u7684\u7f51\u7edc\uff0c\u7136\u540e\u518d\u5c06\u6570\u636e\u53d1\u9001\u5230\u76ee\u6807\u4e3b\u673a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u6570\u636e\u5728\u8def\u7531\u65f6\u7684\u7b2c\u4e00\u76ee\u7684\u5e76\u4e0d\u662f\u627e\u5230\u76ee\u6807\u4e3b\u673a\uff0c\u800c\u662f\u627e\u5230\u76ee\u6807\u7f51\u7edc\u6240\u5728\u7684\u7f51\u7edc\uff0c\u7136\u540e\u518d\u5728\u76ee\u6807\u7f51\u7edc\u5f53\u4e2d\u627e\u5230\u76ee\u6807\u4e3b\u673a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u8def\u7531\u65f6\u4e4b\u6240\u4ee5\u4e0d\u4e00\u5f00\u59cb\u5c31\u4ee5\u627e\u76ee\u6807\u4e3b\u673a\u4e3a\u76ee\u7684\uff0c\u56e0\u4e3a\u8fd9\u6837\u6548\u7387\u592a\u4f4e\u4e86\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u627e\u4e3b\u673a\u7684\u8fc7\u7a0b\u672c\u8d28\u662f\u6392\u9664\u7684\u8fc7\u7a0b\uff0c\u5982\u679c\u4e00\u5f00\u59cb\u5c31\u4ee5\u627e\u76ee\u6807\u4e3b\u673a\u4e3a\u76ee\u7684\uff0c\u90a3\u4e48\u5728\u67e5\u627e\u7684\u8fc7\u7a0b\u4e2d\u4e00\u6b21\u53ea\u80fd\u6392\u9664\u4e00\u4e2a\u4e3b\u673a\u3002<\/li>\n\n\n\n<li>\u800c\u5982\u679c\u4e00\u5f00\u59cb\u5148\u4ee5\u627e\u76ee\u6807\u7f51\u7edc\u4e3a\u76ee\u7684\uff0c\u90a3\u4e48\u5728\u67e5\u627e\u8fc7\u7a0b\u4e2d\u5c31\u80fd\u4e00\u6b21\u6392\u9664\u5927\u91cf\u548c\u76ee\u6807\u4e3b\u673a\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\u7684\u4e3b\u673a\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u68c0\u7d22\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u4e3a\u4e86\u63d0\u9ad8\u6570\u636e\u8def\u7531\u7684\u6548\u7387\uff0c\u6211\u4eec\u5bf9\u7f51\u7edc\u8fdb\u884c\u4e86\u7f51\u6bb5\u5212\u5206\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u7f51\u6bb5\u5212\u5206<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fc7\u53bb\u66fe\u7ecf\u63d0\u51fa\u4e00\u79cd\u5212\u5206\u7f51\u7edc\u53f7\u548c\u4e3b\u673a\u53f7\u7684\u65b9\u6848\uff0c\u5c31\u662f\u628a\u6240\u6709IP\u5730\u5740\u5206\u4e3a\u4e94\u7c7b\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/c42911687f3f48c49acf8068f2911b8c.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/c42911687f3f48c49acf8068f2911b8c.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5404\u7c7bIP\u5730\u5740\u7684\u53d6\u503c\u8303\u56f4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A\u7c7b\uff1a0.0.0.0\u5230127.255.255.255\u3002<\/li>\n\n\n\n<li>B\u7c7b\uff1a128.0.0.0\u5230191.255.255.255\u3002<\/li>\n\n\n\n<li>C\u7c7b\uff1a192.0.0.0\u5230223.255.255.255\u3002<\/li>\n\n\n\n<li>D\u7c7b\uff1a224.0.0.0\u5230239.255.255.255\u3002<\/li>\n\n\n\n<li>E\u7c7b\uff1a240.0.0.0\u5230247.255.255.255\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u8981\u5224\u65ad\u4e00\u4e2aIP\u5730\u5740\u662f\u5c5e\u4e8e\u54ea\u4e00\u7c7b\u65f6\uff0c\u53ea\u9700\u8981\u904d\u5386IP\u5730\u5740\u7684\u524d\u4e94\u4e2a\u6bd4\u7279\u4f4d\uff0c\u7b2c\u51e0\u4e2a\u6bd4\u7279\u4f4d\u6700\u5148\u51fa\u73b00\u503c\uff0c\u90a3\u4e48\u8fd9\u4e2aIP\u5730\u5740\u5bf9\u5e94\u5c31\u5c5e\u4e8eA\u3001B\u3001C\u3001D\u3001E\u7c7b\u5730\u5740\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5b50\u7f51\u5212\u5206<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u968f\u7740\u7f51\u7edc\u7684\u98de\u901f\u53d1\u5c55\uff0c\u8fd9\u79cd\u5212\u5206\u65b9\u6848\u7684\u5c40\u9650\u6027\u5f88\u5feb\u5c31\u663e\u73b0\u51fa\u6765\u4e86\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bd4\u5982\u4e00\u4e9b\u5b66\u6821\u3001\u516c\u53f8\u3001\u5b9e\u9a8c\u5ba4\u7b49\u7ec4\u7ec7\u60f3\u8981\u7533\u8bf7\u81ea\u5df1\u7684\u5c40\u57df\u7f51\uff0c\u7531\u4e8eA\u7c7b\u5730\u5740\u7684\u7f51\u7edc\u53f7\u53ea\u53607\u4e2a\u6bd4\u7279\u4f4d\uff0c\u56e0\u6b64A\u7c7b\u5730\u5740\u53ef\u7533\u8bf7\u7684\u7f51\u7edc\u53ea\u6709 2^7\u4e2a\uff0c\u4e8e\u662f\u5927\u591a\u6570\u7ec4\u7ec7\u90fd\u9009\u62e9\u7533\u8bf7B\u7c7b\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u7531\u4e8eB\u7c7b\u5730\u5740\u7684\u4e3b\u673a\u53f7\u536016\u4e2a\u6bd4\u7279\u4f4d\uff0c\u56e0\u6b64\u7406\u8bba\u4e0a\u4e00\u4e2aB\u7c7b\u7f51\u7edc\u5f53\u4e2d\u5141\u8bb8\u670965536\u53f0\u4e3b\u673a\u3002<\/li>\n\n\n\n<li>\u4f46\u5b9e\u9645\u7f51\u7edc\u67b6\u8bbe\u4e2d\uff0c\u4e00\u822c\u4e0d\u4f1a\u5b58\u5728\u4e00\u4e2a\u5c40\u57df\u7f51\u5f53\u4e2d\u6709\u8fd9\u4e48\u591a\u4e3b\u673a\u7684\u60c5\u51b5\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u5927\u91cf\u7684IP\u5730\u5740\u5b9e\u9645\u90fd\u88ab\u6d6a\u8d39\u6389\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u4e8e\u662f\u53c8\u63d0\u51fa\u4e86\u65b0\u7684\u5212\u5206\u65b9\u6848\uff0c\u79f0\u4e3aCIDR\uff08Classless Interdomain Routing\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u539f\u6709\u7684\u4e94\u7c7b\u7f51\u7edc\u7684\u57fa\u7840\u4e0a\u7ee7\u7eed\u8fdb\u884c\u5b50\u7f51\u5212\u5206\uff0c\u8fd9\u4e5f\u5c31\u610f\u5473\u7740\u9700\u8981\u501f\u7528\u4e3b\u673a\u53f7\u5f53\u4e2d\u7684\u82e5\u5e72\u4f4d\u6765\u5145\u5f53\u7f51\u7edc\u53f7\uff0c\u6b64\u65f6\u4e3a\u4e86\u533a\u5206IP\u5730\u5740\u4e2d\u7684\u7f51\u7edc\u53f7\u548c\u4e3b\u673a\u53f7\uff0c\u4e8e\u662f\u5f15\u5165\u4e86\u5b50\u7f51\u63a9\u7801\uff08subnet mask\uff09\u7684\u6982\u5ff5\u3002<\/li>\n\n\n\n<li>\u6bcf\u4e00\u4e2a\u5b50\u7f51\u90fd\u6709\u81ea\u5df1\u7684\u5b50\u7f51\u63a9\u7801\uff0c\u5b50\u7f51\u63a9\u7801\u5b9e\u9645\u5c31\u662f\u4e00\u4e2a32\u4f4d\u7684\u6b63\u6574\u6570\uff0c\u901a\u5e38\u7528\u4e00\u4e32\u201c0\u201d\u6765\u7ed3\u5c3e\u3002<\/li>\n\n\n\n<li>\u5c06IP\u5730\u5740\u4e0e\u5f53\u524d\u7f51\u7edc\u7684\u5b50\u7f51\u63a9\u7801\u8fdb\u884c\u201c\u6309\u4f4d\u4e0e\u201d\u64cd\u4f5c\uff0c\u5c31\u80fd\u591f\u5f97\u5230\u5f53\u524d\u6240\u5728\u7f51\u7edc\u7684\u7f51\u7edc\u53f7\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u4e00\u4e2a\u7f51\u7edc\u5c31\u88ab\u66f4\u7ec6\u7c92\u5ea6\u7684\u5212\u5206\u6210\u4e86\u4e00\u4e2a\u4e2a\u66f4\u5c0f\u7684\u5b50\u7f51\uff0c\u901a\u8fc7\u4e0d\u65ad\u7684\u5b50\u7f51\u5212\u5206\uff0c\u5b50\u7f51\u4e2dIP\u5730\u5740\u5bf9\u5e94\u7684\u4e3b\u673a\u53f7\u5c31\u8d8a\u6765\u8d8a\u77ed\uff0c\u56e0\u6b64\u5b50\u7f51\u5f53\u4e2d\u53ef\u7528IP\u5730\u5740\u7684\u4e2a\u6570\u4e5f\u5c31\u8d8a\u6765\u8d8a\u5c11\uff0c\u8fd9\u4e5f\u5c31\u907f\u514d\u4e86IP\u5730\u5740\u88ab\u5927\u91cf\u6d6a\u8d39\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5b50\u7f51\u5212\u5206\u4e0d\u662f\u53ea\u80fd\u8fdb\u884c\u4e00\u6b21\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5212\u5206\u51fa\u6765\u7684\u5b50\u7f51\u7684\u57fa\u7840\u4e0a\u7ee7\u7eed\u8fdb\u884c\u5b50\u7f51\u5212\u5206\u3002<\/p>\n\n\n\n<p 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class=\"wp-block-heading\">\u7279\u6b8a\u7684IP\u5730\u5740<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e76\u4e0d\u662f\u6240\u6709\u7684IP\u5730\u5740\u90fd\u80fd\u591f\u4f5c\u4e3a\u4e3b\u673a\u7684IP\u5730\u5740\uff0c\u6709\u4e9bIP\u5730\u5740\u672c\u8eab\u5c31\u662f\u5177\u6709\u7279\u6b8a\u7528\u9014\u7684\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06IP\u5730\u5740\u4e2d\u7684\u4e3b\u673a\u5730\u5740\u5168\u90e8\u8bbe\u4e3a0\uff0c\u5c31\u6210\u4e3a\u4e86\u7f51\u7edc\u53f7\uff0c\u4ee3\u8868\u8fd9\u4e2a\u5c40\u57df\u7f51\u3002<\/li>\n\n\n\n<li>\u5c06IP\u5730\u5740\u4e2d\u7684\u4e3b\u673a\u5730\u5740\u5168\u90e8\u8bbe\u4e3a1\uff0c\u5c31\u6210\u4e3a\u4e86\u5e7f\u64ad\u5730\u5740\uff0c\u7528\u4e8e\u7ed9\u540c\u4e00\u4e2a\u94fe\u8def\u4e2d\u76f8\u4e92\u8fde\u63a5\u7684\u6240\u6709\u4e3b\u673a\u53d1\u9001\u6570\u636e\u5305\u3002<\/li>\n\n\n\n<li>127.*\u7684IP\u5730\u5740\u7528\u4e8e\u672c\u673a\u73af\u56de\uff08loop 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class=\"wp-block-paragraph\">loopback\u8bbe\u5907\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/7022cc71ac6441999b15e6b3fc751ee0.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/7022cc71ac6441999b15e6b3fc751ee0.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">IP\u5730\u5740\u7684\u6570\u91cf\u9650\u5236<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">IP\u5730\u5740\u6570\u91cf\u4e0d\u8db3\u95ee\u9898<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u77e5\u9053\uff0cIP\u5730\u5740\uff08IPv4\uff09\u662f\u4e00\u4e2a4\u5b57\u828232\u4f4d\u7684\u6b63\u6574\u6570\uff0c\u56e0\u6b64\u4e00\u5171\u67092^32\u4e2aIP\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u5c06\u8fd143\u4ebf\u4e2aIP\u5730\u5740\u3002\u4f46TCP\/IP\u534f\u8bae\u89c4\u5b9a\uff0c\u6bcf\u4e2a\u4e3b\u673a\u90fd\u9700\u8981\u6709\u4e00\u4e2aIP\u5730\u5740\u3002<\/p>\n\n\n\n<ul 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class=\"wp-block-list\">\n<li>\u52a8\u6001\u5206\u914dIP\u5730\u5740\uff1a\u53ea\u7ed9\u63a5\u5165\u7f51\u7edc\u7684\u8bbe\u5907\u5206\u914dIP\u5730\u5740\uff0c\u56e0\u6b64\u540c\u4e00\u4e2aMAC\u5730\u5740\u7684\u8bbe\u5907\uff0c\u6bcf\u6b21\u63a5\u5165\u4e92\u8054\u7f51\u4e2d\uff0c\u5f97\u5230\u7684IP\u5730\u5740\u4e0d\u4e00\u5b9a\u662f\u76f8\u540c\u7684\uff0c\u907f\u514d\u4e86IP\u5730\u5740\u5f3a\u7ed1\u5b9a\u4e8e\u67d0\u4e00\u53f0\u8bbe\u5907\u3002<\/li>\n\n\n\n<li>NAT\u6280\u672f\uff1a\u80fd\u591f\u8ba9\u4e0d\u540c\u5c40\u57df\u7f51\u5f53\u4e2d\u540c\u65f6\u5b58\u5728\u4e24\u4e2a\u76f8\u540c\u7684IP\u5730\u5740\uff0cNAT\u6280\u672f\u4e0d\u4ec5\u80fd\u89e3\u51b3IP\u5730\u5740\u4e0d\u8db3\u7684\u95ee\u9898\uff0c\u800c\u4e14\u8fd8\u80fd\u591f\u6709\u6548\u5730\u907f\u514d\u6765\u81ea\u7f51\u7edc\u5916\u90e8\u7684\u653b\u51fb\uff0c\u9690\u85cf\u5e76\u4fdd\u62a4\u7f51\u7edc\u5185\u90e8\u7684\u8ba1\u7b97\u673a\u3002<\/li>\n\n\n\n<li>IPv6\uff1aIPv6\u752816\u5b57\u8282128\u4f4d\u6765\u8868\u793a\u4e00\u4e2aIP\u5730\u5740\uff0c\u80fd\u591f\u5927\u5927\u7f13\u89e3IP\u5730\u5740\u4e0d\u8db3\u7684\u95ee\u9898\u3002\u4f46IPv6\u5e76\u4e0d\u662fIPv4\u7684\u7b80\u5355\u5347\u7ea7\u7248\uff0c\u5b83\u4eec\u662f\u4e92\u4e0d\u76f8\u5e72\u7684\u4e24\u4e2a\u534f\u8bae\uff0c\u5f7c\u6b64\u5e76\u4e0d\u517c\u5bb9\uff0c\u56e0\u6b64\u76ee\u524dIPv6\u8fd8\u6ca1\u6709\u666e\u53ca\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u79c1\u7f51IP\u5730\u5740\u548c\u516c\u7f51IP\u5730\u5740<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u79c1\u7f51IP\u5730\u5740\u7684\u79cd\u7c7b<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e00\u4e2a\u7ec4\u7ec7\u5185\u90e8\u7ec4\u5efa\u5c40\u57df\u7f51\uff0cIP\u5730\u5740\u53ea\u7528\u4e8e\u5c40\u57df\u7f51\u5185\u7684\u901a\u4fe1\uff0c\u800c\u4e0d\u76f4\u63a5\u8fde\u5230Internet\u4e0a\uff0c\u7406\u8bba\u4e0a\u4f7f\u7528\u4efb\u610f\u7684IP\u5730\u5740\u90fd\u53ef\u4ee5\uff0c\u4f46\u662fRFC 1918\u89c4\u5b9a\u4e86\u7528\u4e8e\u7ec4\u5efa\u5c40\u57df\u7f51\u7684\u79c1\u6709IP\u5730\u5740\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>10.*\uff0c\u524d8\u4f4d\u662f\u7f51\u7edc\u53f7\uff0c\u517116,777,216\u4e2a\u5730\u5740\u3002<\/li>\n\n\n\n<li>172.16.<em>\u5230172.31.<\/em>\uff0c\u524d12\u4f4d\u662f\u7f51\u7edc\u53f7\uff0c\u51711,048,576\u4e2a\u5730\u5740\u3002<\/li>\n\n\n\n<li>192.168.*\uff0c\u524d16\u4f4d\u662f\u7f51\u7edc\u53f7\uff0c\u517165,536\u4e2a\u5730\u5740\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5305\u542b\u5728\u8fd9\u4e2a\u8303\u56f4\u4e2d\u7684\uff0c\u90fd\u79f0\u4e3a\u79c1\u7f51IP\uff0c\u5176\u4f59\u7684\u5219\u79f0\u4e3a\u516c\u7f51IP\uff08\u6216\u5168\u5c40IP\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u8fde\u63a5\u4e91\u670d\u52a1\u5668\u65f6\uff0c\u8fde\u63a5\u7684\u8fd9\u4e2aIP\u5730\u5740\u5c31\u662f\u4e91\u670d\u52a1\u5668\u7684\u516c\u7f51IP\u5730\u5740\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/f9f39804490046b887fd2ad338641768.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/f9f39804490046b887fd2ad338641768.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>ifconfig<\/code>\u547d\u4ee4\u6765\u67e5\u770b\u6211\u4eec\u8fd9\u53f0\u673a\u5668\u7684\u79c1\u7f51IP\uff0c\u5176\u4e2d\u7f51\u7edc\u63a5\u53e3lo\uff08loop\uff09\u4ee3\u8868\u7684\u662f\u672c\u5730\u73af\u56de\uff0c\u800ceth0\u4ee3\u8868\u7684\u5c31\u662f\u6211\u8fd9\u53f0\u673a\u5668\u7684\u7f51\u7edc\u63a5\u53e3\uff0c\u53ef\u4ee5\u770b\u5230\u6211\u7684\u79c1\u7f51IP\u5730\u5740\u662f172.21.0.15\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/39502351f8d4460692b5c5e3eaa07f0f.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/39502351f8d4460692b5c5e3eaa07f0f.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u91cc\u8fde\u63a5\u4e91\u670d\u52a1\u5668\u65f6\u7684IP\u5730\u574049.232.66.206\uff0c\u662f\u4e91\u670d\u52a1\u5668\u7684\u516c\u7f51IP\uff0c\u7531\u4e8e\u6211\u4f7f\u7528\u7684\u662f\u817e\u8baf\u4e91\uff0c\u56e0\u6b64\u8fd9\u91cc\u7684172.21.0.15\u662f\u6211\u8fd9\u4e2a\u4e91\u670d\u52a1\u5668\u5728\u817e\u8baf\u5185\u90e8\u7684\u79c1\u7f51IP\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2aIP\u6b63\u597d\u5728\u7b2c\u4e8c\u79cd\u79c1\u7f51IP\u8303\u56f4\u5185\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c\u6253\u5f00Windows\u5f53\u4e2d\u7684cmd\u7a97\u53e3\uff0c\u901a\u8fc7<code>ipconfig<\/code>\u547d\u4ee4\u53ef\u4ee5\u770b\u5230\u5927\u91cf\u4ee5192.168\u5f00\u5934\u7684\u79c1\u7f51IP\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/24da1d53a86c432d88f8d218d9b87133.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/24da1d53a86c432d88f8d218d9b87133.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u4e3a\u4ec0\u4e48\u8981\u7ed9\u8fd0\u8425\u5546\u4ea4\u94b1\uff1f<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u4eab\u53d7\u7684\u662f\u4e92\u8054\u7f51\u516c\u53f8\u63d0\u4f9b\u670d\u52a1\uff0c\u4f46\u4e3a\u4ec0\u4e48\u9700\u8981\u5411\u8fd0\u8425\u5546\u4ea4\u94b1\u5462\uff1f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9e\u9645\u7f51\u7edc\u901a\u4fe1\u7684\u57fa\u7840\u8bbe\u65bd\u90fd\u662f\u8fd0\u8425\u5546\u642d\u5efa\u7684\uff0c\u6211\u4eec\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u6570\u636e\u5e76\u4e0d\u662f\u76f4\u63a5\u53d1\u9001\u5230\u4e86\u5bf9\u5e94\u7684\u670d\u52a1\u5668\uff0c\u800c\u662f\u9700\u8981\u7ecf\u8fc7\u8fd0\u8425\u5546\u5efa\u8bbe\u7684\u5404\u79cd\u57fa\u7ad9\u4ee5\u53ca\u5404\u79cd\u8def\u7531\u5668\uff0c\u6700\u7ec8\u6570\u636e\u624d\u80fd\u5230\u8fbe\u5bf9\u5e94\u7684\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li>\u56e0\u4e3a\u8fd0\u8425\u5546\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u901a\u4fe1\u7684\u57fa\u7840\u8bbe\u65bd\uff0c\u6240\u4ee5\u6211\u4eec\u4ea4\u7f51\u8d39\u5b9e\u9645\u5c31\u76f8\u5f53\u4e8e\u8d2d\u4e70\u5165\u7f51\u8bb8\u53ef\u4e00\u6837\u3002<\/li>\n\n\n\n<li>\u6ca1\u6709\u8fd0\u8425\u5546\u63d0\u4f9b\u7684\u8fd9\u4e9b\u57fa\u7840\u8bbe\u65bd\uff0c\u5c31\u4e0d\u4f1a\u8bde\u751f\u6240\u8c13\u7684\u4e92\u8054\u7f51\u516c\u53f8\uff0c\u56e0\u4e3a\u4e92\u8054\u7f51\u516c\u53f8\u662f\u8bde\u751f\u5728\u7f51\u7edc\u901a\u4fe1\u57fa\u7840\u4e4b\u4e0a\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u7528\u6237\u4e0a\u7f51\u7684\u6570\u636e\u9996\u5148\u5fc5\u987b\u7ecf\u8fc7\u8fd0\u8425\u5546\u7684\u76f8\u5173\u7f51\u7edc\u8bbe\u5907\uff0c\u7136\u540e\u624d\u80fd\u53d1\u9001\u5230\u4e92\u8054\u7f51\u516c\u53f8\u5bf9\u5e94\u7684\u670d\u52a1\u5668\u3002\u56e0\u6b64\u6240\u8c13\u7684\u7f51\u6bb5\u5212\u5206\u3001\u5b50\u7f51\u5212\u5206\u7b49\u5de5\u4f5c\u5b9e\u9645\u90fd\u662f\u8fd0\u8425\u5546\u505a\u7684\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6570\u636e\u662f\u5982\u4f55\u53d1\u9001\u5230\u670d\u52a1\u5668\u7684<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u5668\u662f\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u7f51\u7edc\u7684\u786c\u4ef6\u8bbe\u5907\uff0c\u5728\u8def\u7531\u5668\u4e0a\u6709\u4e24\u79cd\u7f51\u7edc\u63a5\u53e3\uff0c\u5206\u522b\u662fLAN\u53e3\u548cWAN\u53e3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LAN\u53e3\uff08Local Area Network\uff09\uff1a\u8868\u793a\u8fde\u63a5\u672c\u5730\u7f51\u7edc\u7684\u7aef\u53e3\uff0c\u4e3b\u8981\u4e0e\u5bb6\u5ead\u7f51\u7edc\u4e2d\u7684\u4ea4\u6362\u673a\u3001\u96c6\u7ebf\u5668\u6216PC\u76f8\u8fde\u3002<\/li>\n\n\n\n<li>WAN\u53e3\uff08Wide Area Network\uff09\uff1a\u8868\u793a\u8fde\u63a5\u5e7f\u57df\u7f51\u7684\u7aef\u53e3\uff0c\u4e00\u822c\u6307\u4e92\u8054\u7f51\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5c06LAN\u53e3\u7684IP\u5730\u5740\u53eb\u505aLAN\u53e3IP\uff0c\u4e5f\u53eb\u505a\u5b50\u7f51IP\uff0c\u5c06WAN\u53e3\u7684IP\u5730\u5740\u53eb\u505aWAN\u53e3IP\uff0c\u4e5f\u53eb\u505a\u5916\u7f51IP\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u4f7f\u7528\u7684\u7535\u8111\u3001\u5bb6\u7528\u8def\u7531\u5668\u3001\u8fd0\u8425\u5546\u8def\u7531\u5668\u3001\u5e7f\u57df\u7f51\u4ee5\u53ca\u6211\u4eec\u8981\u8bbf\u95ee\u7684\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5173\u7cfb\u5927\u81f4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/997dc9f37de846cf92b09cb142a9fd2d.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/997dc9f37de846cf92b09cb142a9fd2d.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7684\u8def\u7531\u5668\uff0c\u5b50\u7f51IP\u5176\u5b9e\u90fd\u662f\u4e00\u6837\u7684\uff08\u901a\u5e38\u90fd\u662f192.168.1.1\uff09\uff0c\u5b50\u7f51\u5185\u7684\u4e3b\u673aIP\u5730\u5740\u4e0d\u80fd\u91cd\u590d\uff0c\u4f46\u662f\u5b50\u7f51\u4e4b\u95f4\u7684IP\u5730\u5740\u5c31\u53ef\u4ee5\u91cd\u590d\u4e86\u3002<\/li>\n\n\n\n<li>\u6bcf\u4e00\u4e2a\u5bb6\u7528\u8def\u7531\u5668\uff0c\u5176\u5b9e\u53c8\u4f5c\u4e3a\u8fd0\u8425\u5546\u8def\u7531\u5668\u7684\u5b50\u7f51\u4e2d\u7684\u4e00\u4e2a\u8282\u70b9\uff0c\u8fd9\u6837\u7684\u8fd0\u8425\u5546\u8def\u7531\u5668\u53ef\u80fd\u4f1a\u6709\u5f88\u591a\u7ea7\uff0c\u6700\u5916\u5c42\u7684\u8fd0\u8425\u5546\u8def\u7531\u5668\u7684WAN\u53e3IP\u5c31\u662f\u4e00\u4e2a\u516c\u7f51IP\u4e86\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5e0c\u671b\u6211\u4eec\u81ea\u5df1\u5b9e\u73b0\u7684\u670d\u52a1\u5668\u7a0b\u5e8f\uff0c\u80fd\u591f\u5728\u516c\u7f51\u4e0a\u88ab\u8bbf\u95ee\u5230\uff0c\u5c31\u9700\u8981\u628a\u7a0b\u5e8f\u90e8\u7f72\u5728\u4e00\u53f0\u5177\u6709\u5916\u7f51IP\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u8fd9\u6837\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u963f\u91cc\u4e91\/\u817e\u8baf\u4e91\u4e0a\u8fdb\u884c\u8d2d\u4e70\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u79c1\u7f51IP\u4e0d\u80fd\u51fa\u73b0\u5728\u516c\u7f51\u5f53\u4e2d\uff0c\u56e0\u6b64\u5b50\u7f51\u5185\u7684\u4e3b\u673a\u5728\u548c\u5916\u7f51\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u8def\u7531\u5668\u4f1a\u4e0d\u65ad\u5c06\u6570\u636e\u5305IP\u9996\u90e8\u4e2d\u7684\u6e90IP\u5730\u5740\u66ff\u6362\u6210\u8def\u7531\u5668\u7684WAN\u53e3IP\uff0c\u8fd9\u6837\u9010\u7ea7\u66ff\u6362\uff0c\u6700\u7ec8\u6570\u636e\u5305\u4e2d\u7684\u6e90IP\u5730\u5740\u6210\u4e3a\u4e86\u4e00\u4e2a\u516c\u7f51IP\uff0c\u8fd9\u79cd\u6280\u672f\u6210\u4e3aNAT\uff08Network Address Translation\uff0c\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4e3a\u4ec0\u4e48\u79c1\u7f51IP\u4e0d\u80fd\u51fa\u73b0\u5728\u516c\u7f51\u5f53\u4e2d\uff1f<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7684\u5c40\u57df\u7f51\u4e2d\u4e3b\u673a\u7684IP\u5730\u5740\u53ef\u80fd\u662f\u76f8\u540c\u7684\uff0c\u6240\u4ee5\u79c1\u7f51IP\u65e0\u6cd5\u552f\u4e00\u6807\u8bc6\u4e00\u53f0\u4e3b\u673a\uff0c\u56e0\u6b64\u4e0d\u80fd\u8ba9\u79c1\u7f51IP\u51fa\u73b0\u5728\u516c\u7f51\u4e0a\uff0c\u56e0\u4e3aIP\u5730\u5740\u8981\u80fd\u552f\u4e00\u6807\u8bc6\u516c\u7f51\u4e0a\u7684\u4e00\u53f0\u4e3b\u673a\u3002<\/li>\n\n\n\n<li>\u4f46\u7531\u4e8eIP\u5730\u5740\u4e0d\u8db3\u7684\u539f\u56e0\uff0c\u6211\u4eec\u4e0d\u80fd\u8ba9\u4e3b\u673a\u76f4\u63a5\u4f7f\u7528\u516c\u7f51IP\u800c\u8ba9\u4e3b\u673a\u4f7f\u7528\u79c1\u7f51IP\uff0c\u56e0\u4e3a\u79c1\u7f51IP\u53ef\u4ee5\u91cd\u590d\u4e5f\u5c31\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u5c40\u57df\u7f51\u4f7f\u7528\u76f8\u540c\u7684IP\u5730\u5740\uff0c\u7f13\u89e3\u4e86IP\u7684\u4e0d\u8db3\u3002<\/li>\n\n\n\n<li>\u6b64\u5916\uff0c\u6211\u4eec\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\u516c\u7f51IP\u8fd8\u6709\u4e00\u4e2a\u539f\u56e0\u5c31\u662f\uff0c\u56e0\u4e3a\u6211\u4eec\u7684\u6570\u636e\u5305\u5fc5\u987b\u8981\u7ecf\u8fc7\u8fd0\u8425\u5546\u7684\u8def\u7531\u5668\uff0c\u5982\u679c\u6211\u4eec\u53d1\u9001\u7684\u6570\u636e\u76f4\u63a5\u5230\u4e86\u516c\u7f51\uff0c\u90a3\u4e5f\u5c31\u610f\u5473\u7740\u6211\u4eec\u518d\u4e5f\u4e0d\u7528\u4ea4\u7f51\u8d39\u4e86\uff0c\u8fd9\u662f\u4e0d\u73b0\u5b9e\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u4e24\u4e2a\u5c40\u57df\u7f51\u5f53\u4e2d\u7684\u4e3b\u673a\u4e0d\u80fd\u4e0d\u8de8\u516c\u7f51\u8fdb\u884c\u901a\u4fe1<\/p>\n<\/blockquote>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e24\u4e2a\u5c40\u57df\u7f51\u5f53\u4e2d\u7684\u4e3b\u673a\u7406\u8bba\u4e0a\u662f\u4e0d\u80fd\u4e0d\u8de8\u516c\u7f51\u8fdb\u884c\u901a\u4fe1\u7684\uff0c\u56e0\u4e3a\u4e00\u4e2a\u4e3b\u673a\u8981\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u53e6\u4e00\u53f0\u4e3b\u673a\u7684\u524d\u63d0\u662f\u5f97\u5148\u77e5\u9053\u53e6\u4e00\u53f0\u4e3b\u673a\u7684IP\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u5373\u4fbf\u73b0\u5728\u8fd9\u4e2a\u4e3b\u673a\u77e5\u9053\u4e86\u53e6\u4e00\u53f0\u4e3b\u673a\u7684IP\u5730\u5740\uff0c\u4f46\u6709\u53ef\u80fd\u8fd9\u4e24\u53f0\u4e3b\u673a\u7684IP\u5730\u5740\u662f\u4e00\u6837\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684IP\u5730\u5740\u90fd\u662f\u79c1\u7f51IP\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u5f53\u8fd9\u4e00\u53f0\u4e3b\u673a\u53d1\u9001\u6570\u636e\u65f6\u5c06\u76ee\u7684IP\u5730\u5740\u586b\u6210\u548c\u81ea\u5df1\u76f8\u540c\u7684IP\u5730\u5740\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c31\u4f1a\u8ba4\u4e3a\u8fd9\u4e2a\u6570\u636e\u5c31\u662f\u8981\u53d1\u7ed9\u81ea\u5df1\u7684\uff0c\u800c\u4e0d\u4f1a\u5411\u5916\u8fdb\u884c\u53d1\u9001\u4e86\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u6570\u636e\u8981\u4ece\u4e00\u4e2a\u5c40\u57df\u7f51\u53d1\u9001\u5230\u53e6\u4e00\u4e2a\u5c40\u57df\u7f51\uff0c\u5982\u679c\u4e0d\u7ecf\u8fc7\u516c\u7f51\u662f\u57fa\u672c\u4e0a\u4e0d\u53ef\u80fd\u7684\u3002\u6211\u4eec\u5728\u548c\u522b\u4eba\u804a\u5929\u7684\u65f6\u5019\uff0c\u4e5f\u4e0d\u662f\u76f4\u63a5\u5c06\u6570\u636e\u4ece\u4e00\u4e2a\u5c40\u57df\u7f51\u76f4\u63a5\u53d1\u9001\u5230\u4e86\u53e6\u4e00\u4e2a\u5c40\u57df\u7f51\uff0c\u800c\u662f\u5148\u5c06\u6570\u636e\u7ecf\u8fc7\u516c\u7f51\u53d1\u9001\u5230\u4e86\u670d\u52a1\u5668\uff0c\u7136\u540e\u518d\u7531\u670d\u52a1\u5668\u5c06\u6570\u636e\u7ecf\u8fc7\u516c\u7f51\u8f6c\u53d1\u5230\u4e86\u53e6\u4e00\u4e2a\u5c40\u57df\u7f51\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5b9e\u9645\u786e\u5b9e\u5b58\u5728\u4e00\u4e9b\u6280\u672f\u80fd\u591f\u4f7f\u6570\u636e\u5305\u5728\u53d1\u9001\u8fc7\u7a0b\u4e2d\u4e0d\u8fdb\u884c\u516c\u7f51IP\u7684\u66ff\u6362\uff0c\u800c\u5c06\u6570\u636e\u6b63\u786e\u9001\u5230\u76ee\u6807\u4e3b\u673a\uff0c\u8fd9\u79cd\u6280\u672f\u53eb\u505a\u5185\u7f51\u7a7f\u900f\uff0c\u4e5f\u53eb\u505aNAT\u7a7f\u900f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8def\u7531<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6570\u636e\u201c\u95ee\u8def\u201d\u7684\u8fc7\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5728\u8def\u7531\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5b9e\u9645\u5c31\u662f\u4e00\u8df3\u4e00\u8df3\uff08Hop by Hop\uff09\u201c\u95ee\u8def\u201d\u7684\u8fc7\u7a0b\u3002\u6240\u8c13\u201c\u4e00\u8df3\u201d\u5c31\u662f\u6570\u636e\u94fe\u8def\u5c42\u4e2d\u7684\u4e00\u4e2a\u533a\u95f4\uff0c\u5177\u4f53\u5728\u4ee5\u592a\u7f51\u4e2d\u6307\u4ece\u6e90MAC\u5730\u5740\u5230\u76ee\u7684MAC\u5730\u5740\u4e4b\u95f4\u7684\u5e27\u4f20\u8f93\u533a\u95f4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/544d4039601b44b593e51138cbc03dae.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/544d4039601b44b593e51138cbc03dae.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u6570\u636e\u5305\u7684\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4f1a\u9047\u5230\u5f88\u591a\u8def\u7531\u5668\uff0c\u8fd9\u4e9b\u8def\u7531\u5668\u4f1a\u5e2e\u52a9\u6570\u636e\u5305\u8fdb\u884c\u8def\u7531\u8f6c\u53d1\uff0c\u6bcf\u5f53\u6570\u636e\u5305\u9047\u5230\u4e00\u4e2a\u8def\u7531\u5668\u540e\uff0c\u5bf9\u5e94\u8def\u7531\u5668\u90fd\u4f1a\u67e5\u770b\u8be5\u6570\u636e\u7684\u76ee\u7684IP\u5730\u5740\uff0c\u5e76\u544a\u77e5\u8be5\u6570\u636e\u4e0b\u4e00\u8df3\u5e94\u8be5\u5f80\u54ea\u8df3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u5668\u7684\u67e5\u627e\u7ed3\u679c\u53ef\u80fd\u6709\u4ee5\u4e0b\u4e09\u79cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8def\u7531\u5668\u7ecf\u8fc7\u8def\u7531\u8868\u67e5\u8be2\u540e\uff0c\u5f97\u77e5\u8be5\u6570\u636e\u4e0b\u4e00\u8df3\u5e94\u8be5\u8df3\u5230\u54ea\u4e00\u4e2a\u5b50\u7f51\u3002<\/li>\n\n\n\n<li>\u8def\u7531\u5668\u7ecf\u8fc7\u8def\u7531\u8868\u67e5\u8be2\u540e\uff0c\u6ca1\u6709\u53d1\u73b0\u5339\u914d\u7684\u5b50\u7f51\uff0c\u6b64\u65f6\u8def\u7531\u5668\u4f1a\u5c06\u8be5\u6570\u636e\u8f6c\u53d1\u7ed9\u9ed8\u8ba4\u8def\u7531\u3002<\/li>\n\n\n\n<li>\u8def\u7531\u5668\u7ecf\u8fc7\u8def\u7531\u8868\u67e5\u8be2\u540e\uff0c\u5f97\u77e5\u8be5\u6570\u636e\u7684\u76ee\u6807\u7f51\u7edc\u5c31\u662f\u5f53\u524d\u6240\u5728\u7684\u7f51\u7edc\uff0c\u6b64\u65f6\u8def\u7531\u5668\u5c31\u4f1a\u5c06\u8be5\u6570\u636e\u8f6c\u7ed9\u5f53\u524d\u7f51\u7edc\u4e2d\u5bf9\u5e94\u7684\u4e3b\u673a\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u8def\u7531\u8868\u67e5\u8be2\u7684\u5177\u4f53\u8fc7\u7a0b<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u8def\u7531\u5668\u5185\u90e8\u4f1a\u7ef4\u62a4\u4e00\u4e2a\u8def\u7531\u8868\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>route<\/code>\u547d\u4ee4\u67e5\u770b\u4e91\u670d\u52a1\u5668\u4e0a\u5bf9\u5e94\u7684\u8def\u7531\u8868\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/cdn.codergodv.xyz\/1c7d1bb6d2f844339ded271b49827997.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" data-original=\"https:\/\/cdn.codergodv.xyz\/1c7d1bb6d2f844339ded271b49827997.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"img\"\/><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Dstination<\/code>\u4ee3\u8868\u7684\u662f\u76ee\u7684\u7f51\u7edc\u5730\u5740\u3002<\/li>\n\n\n\n<li><code>Gateway<\/code>\u4ee3\u8868\u7684\u662f\u4e0b\u4e00\u8df3\u5730\u5740\u3002<\/li>\n\n\n\n<li><code>Genmask<\/code>\u4ee3\u8868\u7684\u662f\u5b50\u7f51\u63a9\u7801\u3002<\/li>\n\n\n\n<li><code>Flags<\/code>\u4e2d\uff0cU\u6807\u5fd7\u8868\u793a\u6b64\u6761\u76ee\u6709\u6548\uff08\u53ef\u4ee5\u7981\u7528\u67d0\u4e9b\u6761\u76ee\uff09G\u6807\u5fd7\u8868\u793a\u6b64\u6761\u76ee\u7684\u4e0b\u4e00\u8df3\u5730\u5740\u662f\u67d0\u4e2a\u8def\u7531\u5668\u7684\u5730\u5740\uff0c\u6ca1\u6709G\u6807\u5fd7\u7684\u6761\u76ee\u8868\u793a\u76ee\u7684\u7f51\u7edc\u5730\u5740\u662f\u4e0e\u672c\u673a\u63a5\u53e3\u76f4\u63a5\u76f8\u8fde\u7684\u7f51\u7edc\uff0c\u4e0d\u5fc5\u7ecf\u8def\u7531\u5668\u8f6c\u53d1\u3002<\/li>\n\n\n\n<li><code>Iface<\/code>\u4ee3\u8868\u7684\u662f\u53d1\u9001\u63a5\u53e3\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53IP\u6570\u636e\u5305\u5230\u8fbe\u8def\u7531\u5668\u65f6\uff0c\u8def\u7531\u5668\u5c31\u4f1a\u7528\u8be5\u6570\u636e\u7684\u76ee\u7684IP\u5730\u5740\uff0c\u4f9d\u6b21\u4e0e\u8def\u7531\u8868\u4e2d\u7684\u5b50\u7f51\u63a9\u7801 Genmask\u8fdb\u884c\u201c\u6309\u4f4d\u4e0e\u201d\u64cd\u4f5c\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u4e0e\u5b50\u7f51\u63a9\u7801\u5bf9\u5e94\u7684\u76ee\u7684\u7f51\u7edc\u5730\u5740Destination\u8fdb\u884c\u6bd4\u5bf9\uff0c\u5982\u679c\u5339\u914d\u5219\u8bf4\u660e\u8be5\u6570\u636e\u5305\u4e0b\u4e00\u8df3\u5c31\u5e94\u8be5\u8df3\u53bb\u8fd9\u4e2a\u5b50\u7f51\uff0c\u6b64\u65f6\u5c31\u4f1a\u5c06\u8be5\u6570\u636e\u5305\u901a\u8fc7\u5bf9\u5e94\u7684\u53d1\u9001\u63a5\u53e3Iface\u53d1\u51fa\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5c06\u8be5\u6570\u636e\u5305\u7684\u76ee\u7684IP\u5730\u5740\u4e0e\u5b50\u7f51\u63a9\u7801\u8fdb\u884c\u201c\u6309\u4f4d\u4e0e\u201d\u540e\uff0c\u6ca1\u6709\u627e\u5230\u5339\u914d\u7684\u76ee\u7684\u7f51\u7edc\u5730\u5740\uff0c\u6b64\u65f6\u8def\u7531\u5668\u5c31\u4f1a\u5c06\u8fd9\u4e2a\u6570\u636e\u5305\u53d1\u9001\u5230\u9ed8\u8ba4\u8def\u7531\uff0c\u4e5f\u5c31\u662f\u8def\u7531\u8868\u4e2d\u76ee\u6807\u7f51\u7edc\u5730\u5740\u4e2d\u7684default\u3002\u53ef\u4ee5\u770b\u5230\u9ed8\u8ba4\u8def\u7531\u5bf9\u5e94\u7684Flags\u662fUG\uff0c\u5b9e\u9645\u5c31\u662f\u5c06\u8be5\u6570\u636e\u8f6c\u7ed9\u4e86\u53e6\u4e00\u53f0\u8def\u7531\u5668\uff0c\u8ba9\u8be5\u6570\u636e\u5728\u53e6\u4e00\u53f0\u8def\u7531\u5668\u7ee7\u7eed\u8fdb\u884c\u8def\u7531\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u636e\u5305\u4e0d\u65ad\u7ecf\u8fc7\u8def\u7531\u5668\u8def\u7531\u540e\uff0c\u6700\u7ec8\u5c31\u80fd\u5230\u8fbe\u76ee\u6807\u4e3b\u673a\u6240\u5728\u7684\u76ee\u6807\u7f51\u7edc\uff0c\u6b64\u65f6\u5c31\u4e0d\u518d\u6839\u636e\u8be5\u6570\u636e\u5305\u76ee\u7684IP\u5730\u5740\u5f53\u4e2d\u7684\u7f51\u7edc\u53f7\u8fdb\u884c\u8def\u7531\u4e86\uff0c\u800c\u662f\u6839\u636e\u76ee\u7684IP\u5730\u5740\u5f53\u4e2d\u7684\u4e3b\u673a\u53f7\u8fdb\u884c\u8def\u7531\uff0c\u6700\u7ec8\u6839\u636e\u8be5\u6570\u636e\u5305\u5bf9\u5e94\u7684\u4e3b\u673a\u53f7\u5c31\u80fd\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u76ee\u6807\u4e3b\u673a\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8def\u7531\u8868\u751f\u6210\u7b97\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u53ef\u5206\u4e3a\u9759\u6001\u8def\u7531\u548c\u52a8\u6001\u8def\u7531\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9759\u6001\u8def\u7531\uff1a\u662f\u6307\u7531\u7f51\u7edc\u7ba1\u7406\u5458\u624b\u5de5\u914d\u7f6e\u8def\u7531\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>\u52a8\u6001\u8def\u7531\uff1a\u662f\u6307\u8def\u7531\u5668\u80fd\u591f\u901a\u8fc7\u7b97\u6cd5\u81ea\u52a8\u5efa\u7acb\u81ea\u5df1\u7684\u8def\u7531\u8868\uff0c\u5e76\u4e14\u80fd\u591f\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u8868\u76f8\u5173\u751f\u6210\u7b97\u6cd5\uff1a\u8ddd\u79bb\u5411\u91cf\u7b97\u6cd5\u3001LS\u7b97\u6cd5\u3001Dijkstra\u7b97\u6cd5\u7b49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>IP\u534f\u8bae IP\u534f\u8bae\u5168\u79f0\u4e3a\u201c\u7f51\u9645\u4e92\u8fde\u534f\u8bae\uff08Internet Protocol\uff09\u201d\uff0cIP\u534f\u8bae\u662fTCP\/IP\u4f53\u7cfb\u4e2d\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,7],"tags":[45],"class_list":["post-181","post","type-post","status-publish","format-standard","hentry","category-learn","category-network","tag-ip"],"_links":{"self":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=181"}],"version-history":[{"count":1,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/181\/revisions"}],"predecessor-version":[{"id":182,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/posts\/181\/revisions\/182"}],"wp:attachment":[{"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codergodv.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}