{"id":3595,"date":"2021-07-31T16:16:34","date_gmt":"2021-07-31T08:16:34","guid":{"rendered":"http:\/\/123.57.164.21\/?p=3595"},"modified":"2021-07-31T16:27:18","modified_gmt":"2021-07-31T08:27:18","slug":"%e7%bd%91%e7%bb%9c%e4%b8%83%e5%b1%82%e5%8d%8f%e8%ae%ae%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=3595","title":{"rendered":"\u7f51\u7edc\u4e03\u5c42\u534f\u8bae\u5e94\u7528"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-52.png\" alt=\"\" class=\"wp-image-3637\" width=\"463\" height=\"337\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-52.png 992w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-52-300x218.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-52-768x559.png 768w, 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https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-30-768x300.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-30-830x325.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-30-230x90.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-30-350x137.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-30-480x188.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-30.png 1028w\" sizes=\"(max-width: 394px) 100vw, 394px\" \/><\/figure><\/div>\n\n\n\n<p>\u5982\u4f55\u80fd\u5927\u5bb6\u4e00\u8d77\u73a9\u800d\uff1f<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-31.png\" alt=\"\" class=\"wp-image-3598\" width=\"346\" height=\"220\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-31.png 738w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-31-300x191.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-31-230x146.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-31-350x223.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-31-480x306.png 480w\" sizes=\"(max-width: 346px) 100vw, 346px\" \/><\/figure><\/div>\n\n\n\n<p>\u7136\u800cinternet\u4e3a\u4f55\u7269\uff1f<\/p>\n\n\n\n<p>\u5176\u5b9e\u4e24\u53f0\u8ba1\u7b97\u673a\u4e4b\u95f4\u901a\u4fe1\u4e0e\u4e24\u4e2a\u4eba\u6253\u7535\u8bdd\u4e4b\u95f4\u901a\u4fe1\u7684\u539f\u7406\u662f\u4e00\u6837\u7684\uff08\u4e2d\u56fd\u6709\u5f88\u591a\u5730\u533a\uff0c\u4e0d\u540c\u7684\u5730\u533a\u6709\u4e0d\u540c\u7684\u65b9\u8a00\uff0c\u4e3a\u4e86\u5168\u4e2d\u56fd\u4eba\u90fd\u53ef\u4ee5\u542c\u61c2\uff0c\u5927\u5bb6\u7edf\u4e00\u8bb2\u666e\u901a\u8bdd\uff09<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-1024x361.png\" alt=\"\" class=\"wp-image-3600\" width=\"475\" height=\"167\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-1024x361.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-300x106.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-768x271.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-830x292.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-230x81.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-350x123.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32-480x169.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-32.png 1124w\" sizes=\"(max-width: 475px) 100vw, 475px\" \/><\/figure><\/div>\n\n\n\n<p>\u666e\u901a\u8bdd\u5c5e\u4e8e\u4e2d\u56fd\u56fd\u5185\u4eba\u4e0e\u4eba\u4e4b\u95f4\u901a\u4fe1\u7684\u6807\u51c6\uff0c\u90a3\u5982\u679c\u662f\u4e24\u4e2a\u56fd\u5bb6\u7684\u4eba\u4ea4\u6d41\u5462\uff1f<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33.png\" alt=\"\" class=\"wp-image-3601\" width=\"427\" height=\"232\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33-300x163.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33-768x419.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33-830x452.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33-230x125.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33-350x191.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-33-480x262.png 480w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure><\/div>\n\n\n\n<p>\u95ee\u9898\u662f\uff0c\u4f60\u4e0d\u53ef\u80fd\u8981\u6c42\u4e00\u4e2a\u4eba\uff0f\u8ba1\u7b97\u673a\u638c\u63e1\u5168\u4e16\u754c\u7684\u8bed\u8a00\uff0f\u6807\u51c6\uff0c\u4e8e\u662f\u6709\u4e86\u4e16\u754c\u7edf\u4e00\u7684\u901a\u4fe1\u6807\u51c6\uff1a\u82f1\u8bed<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-1024x748.png\" alt=\"\" class=\"wp-image-3602\" width=\"446\" height=\"325\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-1024x748.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-300x219.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-768x561.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-830x606.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-550x400.png 550w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-230x168.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-350x256.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34-480x351.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-34.png 1062w\" sizes=\"(max-width: 446px) 100vw, 446px\" \/><\/figure><\/div>\n\n\n\n<p>\u7ed3\u8bba\uff1a\u82f1\u8bed\u6210\u4e3a\u4e16\u754c\u4e0a\u6240\u6709\u4eba\u901a\u4fe1\u7684\u7edf\u4e00\u6807\u51c6\uff0c\u5982\u679c\u628a\u8ba1\u7b97\u673a\u770b\u6210\u5206\u5e03\u4e8e\u4e16\u754c\u5404\u5730\u7684\u4eba\uff0c\u90a3\u4e48\u8fde\u63a5\u4e24\u53f0\u8ba1\u7b97\u673a\u4e4b\u95f4\u7684internet\u5b9e\u9645\u4e0a\u5c31\u662f\u4e00\u7cfb\u5217\u7edf\u4e00\u7684\u6807\u51c6\uff0c\u8fd9\u4e9b\u6807\u51c6\u79f0\u4e4b\u4e3a\u4e92\u8054\u7f51\u534f\u8bae\uff0c\u4e92\u8054\u7f51\u7684\u672c\u8d28\u5c31\u662f\u4e00\u7cfb\u5217\u7684\u534f\u8bae\uff0c\u603b\u79f0\u4e3a\u2018\u4e92\u8054\u7f51\u534f\u8bae\u2019\uff08Internet Protocol Suite)\u3002<\/p>\n\n\n\n<p>\u4e92\u8054\u7f51\u534f\u8bae\u7684\u529f\u80fd\uff1a\u5b9a\u4e49\u8ba1\u7b97\u673a\u5982\u4f55\u63a5\u5165internet\uff0c\u4ee5\u53ca\u63a5\u5165internet\u7684\u8ba1\u7b97\u673a\u901a\u4fe1\u7684\u6807\u51c6\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2.2 osi\u4e03\u5c42\u534f\u8bae<\/h5>\n\n\n\n<p>\u4e92\u8054\u7f51\u534f\u8bae\u6309\u7167\u529f\u80fd\u4e0d\u540c\u5206\u4e3a<strong>osi\u4e03\u5c42<\/strong> \u6216<strong>tcp\/ip\u4e94\u5c42<\/strong>   \u6216<strong>tcp\/ip\u56db\u5c42<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-1024x775.png\" alt=\"\" class=\"wp-image-3640\" width=\"506\" height=\"382\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-1024x775.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-300x227.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-768x581.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-830x628.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-230x174.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-350x265.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53-480x363.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-53.png 1208w\" sizes=\"(max-width: 506px) 100vw, 506px\" \/><\/figure><\/div>\n\n\n\n<p>\u6bcf\u5c42\u8fd0\u884c\u5e38\u89c1\u7269\u7406\u8bbe\u5907<br><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-1024x297.png\" alt=\"\" class=\"wp-image-3606\" width=\"530\" height=\"153\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-1024x297.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-300x87.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-768x223.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-830x241.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-230x67.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-350x102.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36-480x139.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-36.png 1336w\" sizes=\"(max-width: 530px) 100vw, 530px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">2.3 tcp\/ip\u4e94\u5c42\u6a21\u578b\u8bb2\u89e3<\/h5>\n\n\n\n<p>\u6211\u4eec\u5c06\u5e94\u7528\u5c42\uff0c\u8868\u793a\u5c42\uff0c\u4f1a\u8bdd\u5c42\u5e76\u4f5c\u5e94\u7528\u5c42\uff0c\u4ecetcp\uff0fip\u4e94\u5c42\u534f\u8bae\u7684\u89d2\u5ea6\u6765\u9610\u8ff0\u6bcf\u5c42\u7684\u7531\u6765\u4e0e\u529f\u80fd\uff0c\u641e\u6e05\u695a\u4e86\u6bcf\u5c42\u7684\u4e3b\u8981\u534f\u8bae\uff0c\u5c31\u7406\u89e3\u4e86\u6574\u4e2a\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u539f\u7406\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u7528\u6237\u611f\u77e5\u5230\u7684\u53ea\u662f\u6700\u4e0a\u9762\u4e00\u5c42\u5e94\u7528\u5c42\uff0c\u81ea\u4e0a\u800c\u4e0b\u6bcf\u5c42\u90fd\u4f9d\u8d56\u4e8e\u4e0b\u4e00\u5c42\uff0c\u6240\u4ee5\u6211\u4eec\u4ece\u6700\u4e0b\u4e00\u5c42\u5f00\u59cb\u5207\u5165\uff0c\u6bd4\u8f83\u597d\u7406\u89e3\u6bcf\u5c42\u90fd\u8fd0\u884c\u7279\u5b9a\u7684\u534f\u8bae\uff0c\u8d8a\u5f80\u4e0a\u8d8a\u9760\u8fd1\u7528\u6237\uff0c\u8d8a\u5f80\u4e0b\u8d8a\u9760\u8fd1\u786c\u4ef6\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2.3.1 \u7269\u7406\u5c42<\/h5>\n\n\n\n<p>\u7269\u7406\u5c42\u7531\u6765\uff1a\u4e0a\u9762\u63d0\u5230\uff0c\u5b64\u7acb\u7684\u8ba1\u7b97\u673a\u4e4b\u95f4\u8981\u60f3\u4e00\u8d77\u73a9\uff0c\u5c31\u5fc5\u987b\u63a5\u5165internet\uff0c\u8a00\u5916\u4e4b\u610f\u5c31\u662f\u8ba1\u7b97\u673a\u4e4b\u95f4\u5fc5\u987b\u5b8c\u6210\u7ec4\u7f51<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-37.png\" alt=\"\" class=\"wp-image-3609\" width=\"379\" height=\"162\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-37.png 748w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-37-300x128.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-37-230x98.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-37-350x150.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-37-480x205.png 480w\" sizes=\"(max-width: 379px) 100vw, 379px\" \/><\/figure><\/div>\n\n\n\n<p>\u7269\u7406\u5c42\u529f\u80fd\uff1a\u4e3b\u8981\u662f\u57fa\u4e8e\u7535\u5668\u7279\u6027\u53d1\u9001\u9ad8\u4f4e\u7535\u538b(\u7535\u4fe1\u53f7)\uff0c\u9ad8\u7535\u538b\u5bf9\u5e94\u6570\u5b571\uff0c\u4f4e\u7535\u538b\u5bf9\u5e94\u6570\u5b570<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2.3.2 \u6570\u636e\u94fe\u8def\u5c42<\/h5>\n\n\n\n<p>\u6570\u636e\u94fe\u8def\u5c42\u7531\u6765\uff1a\u5355\u7eaf\u7684\u7535\u4fe1\u53f70\u548c1\u6ca1\u6709\u4efb\u4f55\u610f\u4e49\uff0c\u5fc5\u987b\u89c4\u5b9a\u7535\u4fe1\u53f7\u591a\u5c11\u4f4d\u4e00\u7ec4\uff0c\u6bcf\u7ec4\u4ec0\u4e48\u610f\u601d\u3002<\/p>\n\n\n\n<p>\u6570\u636e\u94fe\u8def\u5c42\u7684\u529f\u80fd\uff1a\u5b9a\u4e49\u4e86\u7535\u4fe1\u53f7\u7684\u5206\u7ec4\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p><em><strong>\u4ee5\u592a\u7f51\u534f\u8bae\uff1a<\/strong><\/em><\/p>\n\n\n\n<p>\u65e9\u671f\u7684\u65f6\u5019\u5404\u4e2a\u516c\u53f8\u90fd\u6709\u81ea\u5df1\u7684\u5206\u7ec4\u65b9\u5f0f\uff0c\u540e\u6765\u5f62\u6210\u4e86\u7edf\u4e00\u7684\u6807\u51c6\uff0c\u5373\u4ee5\u592a\u7f51\u534f\u8baeethernet\u3002<\/p>\n\n\n\n<p>ethernet\u89c4\u5b9a\uff1a<\/p>\n\n\n\n<ul><li>\u4e00\u7ec4\u7535\u4fe1\u53f7\u6784\u6210\u4e00\u4e2a\u6570\u636e\u5305\uff0c\u53eb\u505a\u2018\u5e27\u2019<\/li><li>\u6bcf\u4e00\u6570\u636e\u5e27\u5206\u6210\uff1a\u62a5\u5934head\u548c\u6570\u636edata\u4e24\u90e8\u5206<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-38.png\" alt=\"\" class=\"wp-image-3611\" width=\"484\" height=\"69\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-38.png 704w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-38-300x43.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-38-230x33.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-38-350x50.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-38-480x68.png 480w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/><\/figure><\/div>\n\n\n\n<p>head\u5305\u542b\uff1a(\u56fa\u5b9a18\u4e2a\u5b57\u8282)<\/p>\n\n\n\n<ul><li>\u53d1\u9001\u8005\uff0f\u6e90\u5730\u5740\uff0c6\u4e2a\u5b57\u8282<\/li><li>\u63a5\u6536\u8005\uff0f\u76ee\u6807\u5730\u5740\uff0c6\u4e2a\u5b57\u8282<\/li><li>\u6570\u636e\u7c7b\u578b\uff0c6\u4e2a\u5b57\u8282<\/li><\/ul>\n\n\n\n<p>data\u5305\u542b\uff1a(\u6700\u77ed46\u5b57\u8282\uff0c\u6700\u957f1500\u5b57\u8282)<\/p>\n\n\n\n<ul><li>\u6570\u636e\u5305\u7684\u5177\u4f53\u5185\u5bb9<\/li><\/ul>\n\n\n\n<p>head\u957f\u5ea6\uff0bdata\u957f\u5ea6\uff1d\u6700\u77ed64\u5b57\u8282\uff0c\u6700\u957f1518\u5b57\u8282\uff0c\u8d85\u8fc7\u6700\u5927\u9650\u5236\u5c31\u5206\u7247\u53d1\u9001\u3002<\/p>\n\n\n\n<p><em><strong>mac\u5730\u5740\uff1a<\/strong><\/em><\/p>\n\n\n\n<p>head\u4e2d\u5305\u542b\u7684\u6e90\u548c\u76ee\u6807\u5730\u5740\u7531\u6765\uff1aethernet\u89c4\u5b9a\u63a5\u5165internet\u7684\u8bbe\u5907\u90fd\u5fc5\u987b\u5177\u5907\u7f51\u5361\uff0c\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u7684\u5730\u5740\u4fbf\u662f\u6307\u7f51\u5361\u7684\u5730\u5740\uff0c\u5373mac\u5730\u5740\u3002<\/p>\n\n\n\n<p>mac\u5730\u5740\uff1a\u6bcf\u5757\u7f51\u5361\u51fa\u5382\u65f6\u90fd\u88ab\u70e7\u5236\u4e0a\u4e00\u4e2a\u4e16\u754c\u552f\u4e00\u7684mac\u5730\u5740\uff0c\u957f\u5ea6\u4e3a48\u4f4d2\u8fdb\u5236\uff0c\u901a\u5e38\u753112\u4f4d16\u8fdb\u5236\u6570\u8868\u793a\uff08\u524d\u516d\u4f4d\u662f\u5382\u5546\u7f16\u53f7\uff0c\u540e\u516d\u4f4d\u662f\u6d41\u6c34\u7ebf\u53f7\uff09<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-1024x168.png\" alt=\"\" class=\"wp-image-3613\" width=\"578\" height=\"94\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-1024x168.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-300x49.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-768x126.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-1536x252.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-830x136.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-230x38.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-350x57.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39-480x79.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-39.png 1856w\" sizes=\"(max-width: 578px) 100vw, 578px\" \/><\/figure><\/div>\n\n\n\n<p><strong><em>\u5e7f\u64ad\uff1a<\/em><\/strong><\/p>\n\n\n\n<p>\u6709\u4e86mac\u5730\u5740\uff0c\u540c\u4e00\u7f51\u7edc\u5185\u7684\u4e24\u53f0\u4e3b\u673a\u5c31\u53ef\u4ee5\u901a\u4fe1\u4e86\uff08\u4e00\u53f0\u4e3b\u673a\u901a\u8fc7arp\u534f\u8bae\u83b7\u53d6\u53e6\u5916\u4e00\u53f0\u4e3b\u673a\u7684mac\u5730\u5740\uff09<\/p>\n\n\n\n<p>ethernet\u91c7\u7528\u6700\u539f\u59cb\u7684\u65b9\u5f0f\uff0c\u5e7f\u64ad\u7684\u65b9\u5f0f\u8fdb\u884c\u901a\u4fe1\uff0c\u5373\u8ba1\u7b97\u673a\u901a\u4fe1\u57fa\u672c\u9760\u543c<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-40-1024x362.png\" alt=\"\" class=\"wp-image-3615\" width=\"460\" height=\"161\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-40-300x106.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-40-230x81.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-40-350x124.png 350w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-1024x680.png\" alt=\"\" class=\"wp-image-3616\" width=\"455\" height=\"301\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-1024x680.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-300x199.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-768x510.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-830x551.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-230x153.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-350x232.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41-480x319.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-41.png 1112w\" sizes=\"(max-width: 455px) 100vw, 455px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">2.3.3 \u7f51\u7edc\u5c42<\/h5>\n\n\n\n<p>\u7f51\u7edc\u5c42\u7531\u6765\uff1a\u6709\u4e86ethernet\u3001mac\u5730\u5740\u3001\u5e7f\u64ad\u7684\u53d1\u9001\u65b9\u5f0f\uff0c\u4e16\u754c\u4e0a\u7684\u8ba1\u7b97\u673a\u5c31\u53ef\u4ee5\u5f7c\u6b64\u901a\u4fe1\u4e86\uff0c\u95ee\u9898\u662f\u4e16\u754c\u8303\u56f4\u7684\u4e92\u8054\u7f51\u662f\u7531\u4e00\u4e2a\u4e2a\u5f7c\u6b64\u9694\u79bb\u7684\u5c0f\u7684\u5c40\u57df\u7f51\u7ec4\u6210\u7684\uff0c\u90a3\u4e48\u5982\u679c\u6240\u6709\u7684\u901a\u4fe1\u90fd\u91c7\u7528\u4ee5\u592a\u7f51\u7684\u5e7f\u64ad\u65b9\u5f0f\uff0c\u90a3\u4e48\u4e00\u53f0\u673a\u5668\u53d1\u9001\u7684\u5305\u5168\u4e16\u754c\u90fd\u4f1a\u6536\u5230\uff0c\u8fd9\u5c31\u4e0d\u4ec5\u4ec5\u662f\u6548\u7387\u4f4e\u7684\u95ee\u9898\u4e86\uff0c\u8fd9\u4f1a\u662f\u4e00\u79cd\u707e\u96be\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-1024x759.png\" alt=\"\" class=\"wp-image-3618\" width=\"443\" height=\"328\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-1024x759.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-300x222.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-768x570.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-830x616.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-230x171.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-350x260.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42-480x356.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-42.png 1378w\" sizes=\"(max-width: 443px) 100vw, 443px\" \/><\/figure><\/div>\n\n\n\n<p>\u4e0a\u56fe\u7ed3\u8bba\uff1a\u5fc5\u987b\u627e\u51fa\u4e00\u79cd\u65b9\u6cd5\u6765\u533a\u5206\u54ea\u4e9b\u8ba1\u7b97\u673a\u5c5e\u4e8e\u540c\u4e00\u5e7f\u64ad\u57df\uff0c\u54ea\u4e9b\u4e0d\u662f\uff0c\u5982\u679c\u662f\u5c31\u91c7\u7528\u5e7f\u64ad\u7684\u65b9\u5f0f\u53d1\u9001\uff0c\u5982\u679c\u4e0d\u662f\uff0c\u5c31\u91c7\u7528\u8def\u7531\u7684\u65b9\u5f0f\uff08\u5411\u4e0d\u540c\u5e7f\u64ad\u57df\uff0f\u5b50\u7f51\u5206\u53d1\u6570\u636e\u5305\uff09\uff0cmac\u5730\u5740\u662f\u65e0\u6cd5\u533a\u5206\u7684\uff0c\u5b83\u53ea\u8ddf\u5382\u5546\u6709\u5173\u3002<\/p>\n\n\n\n<p>\u7f51\u7edc\u5c42\u529f\u80fd\uff1a\u5f15\u5165\u4e00\u5957\u65b0\u7684\u5730\u5740\u7528\u6765\u533a\u5206\u4e0d\u540c\u7684\u5e7f\u64ad\u57df\uff0f\u5b50\u7f51\uff0c\u8fd9\u5957\u5730\u5740\u5373\u7f51\u7edc\u5730\u5740<\/p>\n\n\n\n<p><em><strong>IP\u534f\u8bae\uff1a<\/strong><\/em><\/p>\n\n\n\n<ul><li>\u89c4\u5b9a\u7f51\u7edc\u5730\u5740\u7684\u534f\u8bae\u53ebip\u534f\u8bae\uff0c\u5b83\u5b9a\u4e49\u7684\u5730\u5740\u79f0\u4e4b\u4e3aip\u5730\u5740\uff0c\u5e7f\u6cdb\u91c7\u7528\u7684v4\u7248\u672c\u5373ipv4\uff0c\u5b83\u89c4\u5b9a\u7f51\u7edc\u5730\u5740\u753132\u4f4d2\u8fdb\u5236\u8868\u793a<\/li><li>\u8303\u56f40.0.0.0-255.255.255.255<\/li><li>\u4e00\u4e2aip\u5730\u5740\u901a\u5e38\u5199\u6210\u56db\u6bb5\u5341\u8fdb\u5236\u6570\uff0c\u4f8b\uff1a172.16.10.1<\/li><\/ul>\n\n\n\n<p><strong><em>ip\u5730\u5740\u5206\u6210\u4e24\u90e8\u5206<\/em><\/strong>\uff1a<\/p>\n\n\n\n<ul><li>\u7f51\u7edc\u90e8\u5206\uff1a\u6807\u8bc6\u5b50\u7f51<\/li><li>\u4e3b\u673a\u90e8\u5206\uff1a\u6807\u8bc6\u4e3b\u673a<\/li><\/ul>\n\n\n\n<p>\u6ce8\u610f\uff1a\u5355\u7eaf\u7684ip\u5730\u5740\u6bb5\u53ea\u662f\u6807\u8bc6\u4e86ip\u5730\u5740\u7684\u79cd\u7c7b\uff0c\u4ece\u7f51\u7edc\u90e8\u5206\u6216\u4e3b\u673a\u90e8\u5206\u90fd\u65e0\u6cd5\u8fa8\u8bc6\u4e00\u4e2aip\u6240\u5904\u7684\u5b50\u7f51<\/p>\n\n\n\n<p>\u4f8b\uff1a172.16.10.1\u4e0e172.16.10.2\u5e76\u4e0d\u80fd\u786e\u5b9a\u4e8c\u8005\u5904\u4e8e\u540c\u4e00\u5b50\u7f51<\/p>\n\n\n\n<p><em><strong>\u5b50\u7f51\u63a9\u7801<\/strong><\/em>\uff1a<\/p>\n\n\n\n<p>\u6240\u8c13\u201d\u5b50\u7f51\u63a9\u7801\u201d\uff0c\u5c31\u662f\u8868\u793a\u5b50\u7f51\u7edc\u7279\u5f81\u7684\u4e00\u4e2a\u53c2\u6570\u3002\u5b83\u5728\u5f62\u5f0f\u4e0a\u7b49\u540c\u4e8eIP\u5730\u5740\uff0c\u4e5f\u662f\u4e00\u4e2a32\u4f4d\u4e8c\u8fdb\u5236\u6570\u5b57\uff0c\u5b83\u7684\u7f51\u7edc\u90e8\u5206\u5168\u90e8\u4e3a1\uff0c\u4e3b\u673a\u90e8\u5206\u5168\u90e8\u4e3a0\u3002\u6bd4\u5982\uff0cIP\u5730\u5740172.16.10.1\uff0c\u5982\u679c\u5df2\u77e5\u7f51\u7edc\u90e8\u5206\u662f\u524d24\u4f4d\uff0c\u4e3b\u673a\u90e8\u5206\u662f\u540e8\u4f4d\uff0c\u90a3\u4e48\u5b50\u7f51\u7edc\u63a9\u7801\u5c31\u662f11111111.11111111.11111111.00000000\uff0c\u5199\u6210\u5341\u8fdb\u5236\u5c31\u662f255.255.255.0\u3002<\/p>\n\n\n\n<p>\u77e5\u9053\u201d\u5b50\u7f51\u63a9\u7801\u201d\uff0c\u6211\u4eec\u5c31\u80fd\u5224\u65ad\uff0c\u4efb\u610f\u4e24\u4e2aIP\u5730\u5740\u662f\u5426\u5904\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u3002\u65b9\u6cd5\u662f\u5c06\u4e24\u4e2aIP\u5730\u5740\u4e0e\u5b50\u7f51\u63a9\u7801\u5206\u522b\u8fdb\u884cAND\u8fd0\u7b97\uff08\u4e24\u4e2a\u6570\u4f4d\u90fd\u4e3a1\uff0c\u8fd0\u7b97\u7ed3\u679c\u4e3a1\uff0c\u5426\u5219\u4e3a0\uff09\uff0c\u7136\u540e\u6bd4\u8f83\u7ed3\u679c\u662f\u5426\u76f8\u540c\uff0c\u5982\u679c\u662f\u7684\u8bdd\uff0c\u5c31\u8868\u660e\u5b83\u4eec\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u4e2d\uff0c\u5426\u5219\u5c31\u4e0d\u662f\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff0c\u5df2\u77e5IP\u5730\u5740172.16.10.1\u548c172.16.10.2\u7684\u5b50\u7f51\u63a9\u7801\u90fd\u662f255.255.255.0\uff0c\u8bf7\u95ee\u5b83\u4eec\u662f\u5426\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\uff1f\u4e24\u8005\u4e0e\u5b50\u7f51\u63a9\u7801\u5206\u522b\u8fdb\u884cAND\u8fd0\u7b97\uff0c<\/p>\n\n\n\n<p>172.16.10.1\uff1a10101100.00010000.00001010.000000001<\/p>\n\n\n\n<p>255255.255.255.0:11111111.11111111.11111111.00000000<\/p>\n\n\n\n<p>AND\u8fd0\u7b97\u5f97\u7f51\u7edc\u5730\u5740\u7ed3\u679c\uff1a10101100.00010000.00001010.000000001-&gt;172.16.10.0<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>172.16.10.2\uff1a10101100.00010000.00001010.000000010<\/p>\n\n\n\n<p>255255.255.255.0:11111111.11111111.11111111.00000000<\/p>\n\n\n\n<p>AND\u8fd0\u7b97\u5f97\u7f51\u7edc\u5730\u5740\u7ed3\u679c\uff1a10101100.00010000.00001010.000000001-&gt;172.16.10.0<\/p>\n\n\n\n<p>\u7ed3\u679c\u90fd\u662f172.16.10.0\uff0c\u56e0\u6b64\u5b83\u4eec\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u3002<\/p>\n\n\n\n<p>\u603b\u7ed3\u4e00\u4e0b\uff0cIP\u534f\u8bae\u7684\u4f5c\u7528\u4e3b\u8981\u6709\u4e24\u4e2a\uff0c\u4e00\u4e2a\u662f\u4e3a\u6bcf\u4e00\u53f0\u8ba1\u7b97\u673a\u5206\u914dIP\u5730\u5740\uff0c\u53e6\u4e00\u4e2a\u662f\u786e\u5b9a\u54ea\u4e9b\u5730\u5740\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><em><strong>ip\u6570\u636e\u5305<\/strong><\/em>\uff1a<\/p>\n\n\n\n<p>ip\u6570\u636e\u5305\u4e5f\u5206\u4e3ahead\u548cdata\u90e8\u5206\uff0c\u65e0\u987b\u4e3aip\u5305\u5b9a\u4e49\u5355\u72ec\u7684\u680f\u4f4d\uff0c\u76f4\u63a5\u653e\u5165\u4ee5\u592a\u7f51\u5305\u7684data\u90e8\u5206<\/p>\n\n\n\n<ul><li>head\uff1a\u957f\u5ea6\u4e3a20\u523060\u5b57\u8282<\/li><\/ul>\n\n\n\n<ul><li>data\uff1a\u6700\u957f\u4e3a65,515\u5b57\u8282\u3002<\/li><\/ul>\n\n\n\n<p>\u800c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u7684\u201d\u6570\u636e\u201d\u90e8\u5206\uff0c\u6700\u957f\u53ea\u67091500\u5b57\u8282\u3002\u56e0\u6b64\uff0c\u5982\u679cIP\u6570\u636e\u5305\u8d85\u8fc7\u4e861500\u5b57\u8282\uff0c\u5b83\u5c31\u9700\u8981\u5206\u5272\u6210\u51e0\u4e2a\u4ee5\u592a\u7f51\u6570\u636e\u5305\uff0c\u5206\u5f00\u53d1\u9001\u4e86\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-1024x98.png\" alt=\"\" class=\"wp-image-3620\" width=\"560\" height=\"53\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-1024x98.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-300x29.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-768x74.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-830x80.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-230x22.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-350x34.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43-480x46.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-43.png 1084w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/figure><\/div>\n\n\n\n<p>&nbsp;<em><strong>ARP\u534f\u8bae<\/strong><\/em>\uff1a<\/p>\n\n\n\n<p>arp\u534f\u8bae\u7531\u6765\uff1a\u8ba1\u7b97\u673a\u901a\u4fe1\u57fa\u672c\u9760\u543c\uff0c\u5373\u5e7f\u64ad\u7684\u65b9\u5f0f\uff0c\u6240\u6709\u4e0a\u5c42\u7684\u5305\u5230\u6700\u540e\u90fd\u8981\u5c01\u88c5\u4e0a\u4ee5\u592a\u7f51\u5934\uff0c\u7136\u540e\u901a\u8fc7\u4ee5\u592a\u7f51\u534f\u8bae\u53d1\u9001\uff0c\u5728\u8c08\u53ca\u4ee5\u592a\u7f51\u534f\u8bae\u65f6\u5019\uff0c\u6211\u95e8\u4e86\u89e3\u5230\u901a\u4fe1\u662f\u57fa\u4e8emac\u7684\u5e7f\u64ad\u65b9\u5f0f\u5b9e\u73b0\uff0c\u8ba1\u7b97\u673a\u5728\u53d1\u5305\u65f6\uff0c\u83b7\u53d6\u81ea\u8eab\u7684mac\u662f\u5bb9\u6613\u7684\uff0c\u5982\u4f55\u83b7\u53d6\u76ee\u6807\u4e3b\u673a\u7684mac\uff0c\u5c31\u9700\u8981\u901a\u8fc7arp\u534f\u8bae\u3002<\/p>\n\n\n\n<p>arp\u534f\u8bae\u529f\u80fd\uff1a\u5e7f\u64ad\u7684\u65b9\u5f0f\u53d1\u9001\u6570\u636e\u5305\uff0c\u83b7\u53d6\u76ee\u6807\u4e3b\u673a\u7684mac\u5730\u5740\u3002<\/p>\n\n\n\n<p>\u534f\u8bae\u5de5\u4f5c\u65b9\u5f0f\uff1a\u6bcf\u53f0\u4e3b\u673aip\u90fd\u662f\u5df2\u77e5\u7684<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a\u4e3b\u673a172.16.10.10\/24\u8bbf\u95ee172.16.10.11\/24<\/p>\n\n\n\n<p>\u4e00\uff1a\u9996\u5148\u901a\u8fc7ip\u5730\u5740\u548c\u5b50\u7f51\u63a9\u7801\u533a\u5206\u51fa\u81ea\u5df1\u6240\u5904\u7684\u5b50\u7f51<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-44.png\" alt=\"\" class=\"wp-image-3622\" width=\"363\" height=\"169\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-44.png 540w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-44-300x140.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-44-230x107.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-44-350x163.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-44-480x224.png 480w\" sizes=\"(max-width: 363px) 100vw, 363px\" \/><\/figure><\/div>\n\n\n\n<p>\u4e8c\uff1a\u5206\u6790172.16.10.10\/24\u4e0e172.16.10.11\/24\u5904\u4e8e\u540c\u4e00\u7f51\u7edc(\u5982\u679c\u4e0d\u662f\u540c\u4e00\u7f51\u7edc\uff0c\u90a3\u4e48\u4e0b\u8868\u4e2d\u76ee\u6807ip\u4e3a172.16.10.11,\u901a\u8fc7arp\u83b7\u53d6\u7684\u662f\u7f51\u5173\u7684mac)<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-1024x135.png\" alt=\"\" class=\"wp-image-3623\" width=\"504\" height=\"66\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-1024x135.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-300x40.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-768x102.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-830x110.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-230x30.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-350x46.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45-480x63.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-45.png 1240w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/figure><\/div>\n\n\n\n<p>\u4e09\uff1a\u8fd9\u4e2a\u5305\u4f1a\u4ee5\u5e7f\u64ad\u7684\u65b9\u5f0f\u5728\u53d1\u9001\u7aef\u6240\u5904\u7684\u81ea\u7f51\u5185\u4f20\u8f93\uff0c\u6240\u6709\u4e3b\u673a\u63a5\u6536\u540e\u62c6\u5f00\u5305\uff0c\u53d1\u73b0\u76ee\u6807ip\u4e3a\u81ea\u5df1\u7684\uff0c\u5c31\u54cd\u5e94\uff0c\u8fd4\u56de\u81ea\u5df1\u7684mac<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">2.3.4 \u4f20\u8f93\u5c42<\/h5>\n\n\n\n<p>\u4f20\u8f93\u5c42\u7684\u7531\u6765\uff1a\u7f51\u7edc\u5c42\u7684ip\u5e2e\u6211\u4eec\u533a\u5206\u5b50\u7f51\uff0c\u4ee5\u592a\u7f51\u5c42\u7684mac\u5e2e\u6211\u4eec\u627e\u5230\u4e3b\u673a\uff0c\u7136\u540e\u5927\u5bb6\u4f7f\u7528\u7684\u90fd\u662f\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f60\u7684\u7535\u8111\u4e0a\u53ef\u80fd\u540c\u65f6\u5f00\u542fqq\uff0c\u66b4\u98ce\u5f71\u97f3\uff0c\u7b49\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\uff0c<\/p>\n\n\n\n<p>\u90a3\u4e48\u6211\u4eec\u901a\u8fc7ip\u548cmac\u627e\u5230\u4e86\u4e00\u53f0\u7279\u5b9a\u7684\u4e3b\u673a\uff0c\u5982\u4f55\u6807\u8bc6\u8fd9\u53f0\u4e3b\u673a\u4e0a\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u7b54\u6848\u5c31\u662f\u7aef\u53e3\uff0c\u7aef\u53e3\u5373\u5e94\u7528\u7a0b\u5e8f\u4e0e\u7f51\u5361\u5173\u8054\u7684\u7f16\u53f7\u3002<\/p>\n\n\n\n<p>\u4f20\u8f93\u5c42\u529f\u80fd\uff1a\u5efa\u7acb\u7aef\u53e3\u5230\u7aef\u53e3\u7684\u901a\u4fe1<\/p>\n\n\n\n<p>\u8865\u5145\uff1a\u7aef\u53e3\u8303\u56f40-65535\uff0c0-1023\u4e3a\u7cfb\u7edf\u5360\u7528\u7aef\u53e3<\/p>\n\n\n\n<p><strong><em>tcp\u534f\u8bae\uff1a<\/em><\/strong><\/p>\n\n\n\n<p>\u53ef\u9760\u4f20\u8f93\uff0cTCP\u6570\u636e\u5305\u6ca1\u6709\u957f\u5ea6\u9650\u5236\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u65e0\u9650\u957f\uff0c\u4f46\u662f\u4e3a\u4e86\u4fdd\u8bc1\u7f51\u7edc\u7684\u6548\u7387\uff0c\u901a\u5e38TCP\u6570\u636e\u5305\u7684\u957f\u5ea6\u4e0d\u4f1a\u8d85\u8fc7IP\u6570\u636e\u5305\u7684\u957f\u5ea6\uff0c\u4ee5\u786e\u4fdd\u5355\u4e2aTCP\u6570\u636e\u5305\u4e0d\u5fc5\u518d\u5206\u5272\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-1024x91.png\" alt=\"\" class=\"wp-image-3625\" width=\"661\" height=\"58\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-1024x91.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-300x27.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-768x68.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-830x74.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-230x20.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-350x31.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46-480x43.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-46.png 1172w\" sizes=\"(max-width: 661px) 100vw, 661px\" \/><\/figure><\/div>\n\n\n\n<p><strong><em>udp\u534f\u8bae\uff1a<\/em><\/strong><\/p>\n\n\n\n<p>\u4e0d\u53ef\u9760\u4f20\u8f93\uff0c\u201d\u62a5\u5934\u201d\u90e8\u5206\u4e00\u5171\u53ea\u67098\u4e2a\u5b57\u8282\uff0c\u603b\u957f\u5ea6\u4e0d\u8d85\u8fc765,535\u5b57\u8282\uff0c\u6b63\u597d\u653e\u8fdb\u4e00\u4e2aIP\u6570\u636e\u5305\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-1024x79.png\" alt=\"\" class=\"wp-image-3626\" width=\"648\" height=\"49\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-1024x79.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-300x23.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-768x59.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-830x64.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-230x18.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-350x27.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47-480x37.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-47.png 1246w\" sizes=\"(max-width: 648px) 100vw, 648px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">2.3.5 \u5e94\u7528\u5c42<\/h5>\n\n\n\n<p>\u5e94\u7528\u5c42\u7531\u6765\uff1a\u7528\u6237\u4f7f\u7528\u7684\u90fd\u662f\u5e94\u7528\u7a0b\u5e8f\uff0c\u5747\u5de5\u4f5c\u4e8e\u5e94\u7528\u5c42\uff0c\u4e92\u8054\u7f51\u662f\u5f00\u53d1\u7684\uff0c\u5927\u5bb6\u90fd\u53ef\u4ee5\u5f00\u53d1\u81ea\u5df1\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u6570\u636e\u591a\u79cd\u591a\u6837\uff0c\u5fc5\u987b\u89c4\u5b9a\u597d\u6570\u636e\u7684\u7ec4\u7ec7\u5f62\u5f0f\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\u5c42\u529f\u80fd\uff1a\u89c4\u5b9a\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u683c\u5f0f\u3002<\/p>\n\n\n\n<p>\u4f8b\uff1aTCP\u534f\u8bae\u53ef\u4ee5\u4e3a\u5404\u79cd\u5404\u6837\u7684\u7a0b\u5e8f\u4f20\u9012\u6570\u636e\uff0c\u6bd4\u5982Email\u3001WWW\u3001FTP\u7b49\u7b49\u3002\u90a3\u4e48\uff0c\u5fc5\u987b\u6709\u4e0d\u540c\u534f\u8bae\u89c4\u5b9a\u7535\u5b50\u90ae\u4ef6\u3001\u7f51\u9875\u3001FTP\u6570\u636e\u7684\u683c\u5f0f\uff0c\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\u534f\u8bae\u5c31\u6784\u6210\u4e86\u201d\u5e94\u7528\u5c42\u201d\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-1024x678.png\" alt=\"\" class=\"wp-image-3628\" width=\"506\" height=\"335\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-1024x678.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-300x199.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-768x508.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-830x549.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-230x152.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-350x232.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48-480x318.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-48.png 1070w\" sizes=\"(max-width: 506px) 100vw, 506px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">2.3.6 socket<\/h5>\n\n\n\n<p>\u6211\u4eec\u77e5\u9053\u4e24\u4e2a\u8fdb\u7a0b\u5982\u679c\u9700\u8981\u8fdb\u884c\u901a\u8baf\u6700\u57fa\u672c\u7684\u4e00\u4e2a\u524d\u63d0\u80fd\u80fd\u591f\u552f\u4e00\u7684\u6807\u793a\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u5728\u672c\u5730\u8fdb\u7a0b\u901a\u8baf\u4e2d\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528PID\u6765\u552f\u4e00\u6807\u793a\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u4f46PID\u53ea\u5728\u672c\u5730\u552f\u4e00\uff0c\u7f51\u7edc\u4e2d\u7684\u4e24\u4e2a\u8fdb\u7a0bPID\u51b2\u7a81\u51e0\u7387\u5f88\u5927\uff0c\u8fd9\u65f6\u5019\u6211\u4eec\u9700\u8981\u53e6\u8f9f\u5b83\u5f84\u4e86\uff0c\u6211\u4eec\u77e5\u9053IP\u5c42\u7684ip\u5730\u5740\u53ef\u4ee5\u552f\u4e00\u6807\u793a\u4e3b\u673a\uff0c\u800cTCP\u5c42\u534f\u8bae\u548c\u7aef\u53e3\u53f7\u53ef\u4ee5\u552f\u4e00\u6807\u793a\u4e3b\u673a\u7684\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u8fd9\u6837\u6211\u4eec\u53ef\u4ee5\u5229\u7528ip\u5730\u5740\uff0b\u534f\u8bae\uff0b\u7aef\u53e3\u53f7\u552f\u4e00\u6807\u793a\u7f51\u7edc\u4e2d\u7684\u4e00\u4e2a\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<p><br>\u80fd\u591f\u552f\u4e00\u6807\u793a\u7f51\u7edc\u4e2d\u7684\u8fdb\u7a0b\u540e\uff0c\u5b83\u4eec\u5c31\u53ef\u4ee5\u5229\u7528socket\u8fdb\u884c\u901a\u4fe1\u4e86\uff0c\u4ec0\u4e48\u662fsocket\u5462\uff1f\u6211\u4eec\u7ecf\u5e38\u628asocket\u7ffb\u8bd1\u4e3a\u5957\u63a5\u5b57\uff0csocket\u662f\u5728\u5e94\u7528\u5c42\u548c\u4f20\u8f93\u5c42\u4e4b\u95f4\u7684\u4e00\u4e2a\u62bd\u8c61\u5c42\uff0c\u5b83\u628aTCP\/IP\u5c42\u590d\u6742\u7684\u64cd\u4f5c\u62bd\u8c61\u4e3a\u51e0\u4e2a\u7b80\u5355\u7684\u63a5\u53e3\u4f9b\u5e94\u7528\u5c42\u8c03\u7528\u5df2\u5b9e\u73b0\u8fdb\u7a0b\u5728\u7f51\u7edc\u4e2d\u901a\u4fe1\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-1024x878.png\" alt=\"\" class=\"wp-image-3630\" width=\"427\" height=\"366\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-1024x878.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-300x257.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-768x658.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-830x711.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-230x197.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-350x300.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49-480x411.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-49.png 1134w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure><\/div>\n\n\n\n<p>socket\u8d77\u6e90\u4e8eUNIX\uff0c\u5728Unix\u4e00\u5207\u7686\u6587\u4ef6\u54f2\u5b66\u7684\u601d\u60f3\u4e0b\uff0csocket\u662f\u4e00\u79cd&#8221;\u6253\u5f00\u2014\u8bfb\/\u5199\u2014\u5173\u95ed&#8221;\u6a21\u5f0f\u7684\u5b9e\u73b0\uff0c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5404\u81ea\u7ef4\u62a4\u4e00\u4e2a&#8221;\u6587\u4ef6&#8221;\uff0c\u5728\u5efa\u7acb\u8fde\u63a5\u6253\u5f00\u540e\uff0c\u53ef\u4ee5\u5411\u81ea\u5df1\u6587\u4ef6\u5199\u5165\u5185\u5bb9\u4f9b\u5bf9\u65b9\u8bfb\u53d6\u6216\u8005\u8bfb\u53d6\u5bf9\u65b9\u5185\u5bb9\uff0c\u901a\u8baf\u7ed3\u675f\u65f6\u5173\u95ed\u6587\u4ef6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09.\u7f51\u7edc\u901a\u4fe1\u5b9e\u73b0<\/h4>\n\n\n\n<p>\u60f3\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\uff0c\u6bcf\u53f0\u4e3b\u673a\u9700\u5177\u5907\u56db\u8981\u7d20\uff1a<\/p>\n\n\n\n<ul><li>\u672c\u673a\u7684IP\u5730\u5740<\/li><li>\u5b50\u7f51\u63a9\u7801<\/li><li>\u7f51\u5173\u7684IP\u5730\u5740<\/li><li>DNS\u7684IP\u5730\u5740<\/li><\/ul>\n\n\n\n<p>\u83b7\u53d6\u8fd9\u56db\u8981\u7d20\u5206\u4e24\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<p>1.\u9759\u6001\u83b7\u53d6\uff1a\u5373\u624b\u52a8\u914d\u7f6e<\/p>\n\n\n\n<p>2.\u52a8\u6001\u83b7\u53d6\uff1a\u901a\u8fc7dhcp\u83b7\u53d6<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-50.png\" alt=\"\" class=\"wp-image-3632\" width=\"514\" height=\"74\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-50.png 680w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-50-300x43.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-50-230x33.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-50-350x50.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-50-480x69.png 480w\" sizes=\"(max-width: 514px) 100vw, 514px\" \/><\/figure><\/div>\n\n\n\n<p>\uff081\uff09\u6700\u524d\u9762\u7684\u201d\u4ee5\u592a\u7f51\u6807\u5934\u201d\uff0c\u8bbe\u7f6e\u53d1\u51fa\u65b9\uff08\u672c\u673a\uff09\u7684MAC\u5730\u5740\u548c\u63a5\u6536\u65b9\uff08DHCP\u670d\u52a1\u5668\uff09\u7684MAC\u5730\u5740\u3002\u524d\u8005\u5c31\u662f\u672c\u673a\u7f51\u5361\u7684MAC\u5730\u5740\uff0c\u540e\u8005\u8fd9\u65f6\u4e0d\u77e5\u9053\uff0c\u5c31\u586b\u5165\u4e00\u4e2a\u5e7f\u64ad\u5730\u5740\uff1aFF-FF-FF-FF-FF-FF\u3002<\/p>\n\n\n\n<p>\uff082\uff09\u540e\u9762\u7684\u201dIP\u6807\u5934\u201d\uff0c\u8bbe\u7f6e\u53d1\u51fa\u65b9\u7684IP\u5730\u5740\u548c\u63a5\u6536\u65b9\u7684IP\u5730\u5740\u3002\u8fd9\u65f6\uff0c\u5bf9\u4e8e\u8fd9\u4e24\u8005\uff0c\u672c\u673a\u90fd\u4e0d\u77e5\u9053\u3002\u4e8e\u662f\uff0c\u53d1\u51fa\u65b9\u7684IP\u5730\u5740\u5c31\u8bbe\u4e3a0.0.0.0\uff0c\u63a5\u6536\u65b9\u7684IP\u5730\u5740\u8bbe\u4e3a255.255.255.255\u3002<\/p>\n\n\n\n<p>\uff083\uff09\u6700\u540e\u7684\u201dUDP\u6807\u5934\u201d\uff0c\u8bbe\u7f6e\u53d1\u51fa\u65b9\u7684\u7aef\u53e3\u548c\u63a5\u6536\u65b9\u7684\u7aef\u53e3\u3002\u8fd9\u4e00\u90e8\u5206\u662fDHCP\u534f\u8bae\u89c4\u5b9a\u597d\u7684\uff0c\u53d1\u51fa\u65b9\u662f68\u7aef\u53e3\uff0c\u63a5\u6536\u65b9\u662f67\u7aef\u53e3\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u6570\u636e\u5305\u6784\u9020\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u53d1\u51fa\u4e86\u3002\u4ee5\u592a\u7f51\u662f\u5e7f\u64ad\u53d1\u9001\uff0c\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u7684\u6bcf\u53f0\u8ba1\u7b97\u673a\u90fd\u6536\u5230\u4e86\u8fd9\u4e2a\u5305\u3002\u56e0\u4e3a\u63a5\u6536\u65b9\u7684MAC\u5730\u5740\u662fFF-FF-FF-FF-FF-FF\uff0c\u770b\u4e0d\u51fa\u662f\u53d1\u7ed9\u8c01\u7684\uff0c\u6240\u4ee5\u6bcf\u53f0\u6536\u5230\u8fd9\u4e2a\u5305\u7684\u8ba1\u7b97\u673a\uff0c\u8fd8\u5fc5\u987b\u5206\u6790\u8fd9\u4e2a\u5305\u7684IP\u5730\u5740\uff0c\u624d\u80fd\u786e\u5b9a\u662f\u4e0d\u662f\u53d1\u7ed9\u81ea\u5df1\u7684\u3002\u5f53\u770b\u5230\u53d1\u51fa\u65b9IP\u5730\u5740\u662f0.0.0.0\uff0c\u63a5\u6536\u65b9\u662f255.255.255.255\uff0c\u4e8e\u662fDHCP\u670d\u52a1\u5668\u77e5\u9053\u201d\u8fd9\u4e2a\u5305\u662f\u53d1\u7ed9\u6211\u7684\u201d\uff0c\u800c\u5176\u4ed6\u8ba1\u7b97\u673a\u5c31\u53ef\u4ee5\u4e22\u5f03\u8fd9\u4e2a\u5305\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0cDHCP\u670d\u52a1\u5668\u8bfb\u51fa\u8fd9\u4e2a\u5305\u7684\u6570\u636e\u5185\u5bb9\uff0c\u5206\u914d\u597dIP\u5730\u5740\uff0c\u53d1\u9001\u56de\u53bb\u4e00\u4e2a\u201dDHCP\u54cd\u5e94\u201d\u6570\u636e\u5305\u3002\u8fd9\u4e2a\u54cd\u5e94\u5305\u7684\u7ed3\u6784\u4e5f\u662f\u7c7b\u4f3c\u7684\uff0c\u4ee5\u592a\u7f51\u6807\u5934\u7684MAC\u5730\u5740\u662f\u53cc\u65b9\u7684\u7f51\u5361\u5730\u5740\uff0cIP\u6807\u5934\u7684IP\u5730\u5740\u662fDHCP\u670d\u52a1\u5668\u7684IP\u5730\u5740\uff08\u53d1\u51fa\u65b9\uff09\u548c255.255.255.255\uff08\u63a5\u6536\u65b9\uff09\uff0cUDP\u6807\u5934\u7684\u7aef\u53e3\u662f67\uff08\u53d1\u51fa\u65b9\uff09\u548c68\uff08\u63a5\u6536\u65b9\uff09\uff0c\u5206\u914d\u7ed9\u8bf7\u6c42\u7aef\u7684IP\u5730\u5740\u548c\u672c\u7f51\u7edc\u7684\u5177\u4f53\u53c2\u6570\u5219\u5305\u542b\u5728Data\u90e8\u5206\u3002<\/p>\n\n\n\n<p>\u65b0\u52a0\u5165\u7684\u8ba1\u7b97\u673a\u6536\u5230\u8fd9\u4e2a\u54cd\u5e94\u5305\uff0c\u4e8e\u662f\u5c31\u77e5\u9053\u4e86\u81ea\u5df1\u7684IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u7f51\u5173\u5730\u5740\u3001DNS\u670d\u52a1\u5668\u7b49\u7b49\u53c2\u6570<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db.\u7f51\u7edc\u901a\u4fe1\u6d41\u7a0b<\/h4>\n\n\n\n<p><strong><em>1.\u672c\u673a\u83b7\u53d6<\/em><\/strong><\/p>\n\n\n\n<ul><li>\u672c\u673a\u7684IP\u5730\u5740\uff1a192.168.1.100<\/li><li>\u5b50\u7f51\u63a9\u7801\uff1a255.255.255.0<\/li><li>\u7f51\u5173\u7684IP\u5730\u5740\uff1a192.168.1.1<\/li><li>DNS\u7684IP\u5730\u5740\uff1a8.8.8.8<\/li><\/ul>\n\n\n\n<p><strong><em>2.\u6253\u5f00\u6d4f\u89c8\u5668\uff0c\u60f3\u8981\u8bbf\u95eeGoogle\uff0c\u5728\u5730\u5740\u680f\u8f93\u5165\u4e86\u7f51\u5740\uff1a<a>www.google.com\u3002<\/a><\/em><\/strong><\/p>\n\n\n\n<p><strong><em>3.dns\u534f\u8bae(\u57fa\u4e8eudp\u534f\u8bae)<\/em><\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-1024x815.png\" alt=\"\" class=\"wp-image-3633\" width=\"688\" height=\"547\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-1024x815.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-300x239.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-768x611.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-1536x1222.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-830x660.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-230x183.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-350x278.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51-480x382.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/07\/\u56fe\u7247-51.png 1750w\" sizes=\"(max-width: 688px) 100vw, 688px\" \/><\/figure><\/div>\n\n\n\n<p><strong><em>13\u53f0\u6839dns\uff1a<\/em><\/strong><\/p>\n\n\n\n<p>A.root-servers.net198.41.0.4\u7f8e\u56fd<br>B.root-servers.net192.228.79.201\u7f8e\u56fd\uff08\u53e6\u652f\u6301<a rel=\"noreferrer noopener\" href=\"https:\/\/www.baidu.com\/s?wd=IPv6&amp;tn=44039180_cpr&amp;fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1d9ryR4nhnsn1b3ujfYPAfk0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3ErH0YPW6snH0\" target=\"_blank\">IPv6<\/a>\uff09<br>C.root-servers.net192.33.4.12\u6cd5\u56fd<br>D.root-servers.net128.8.10.90\u7f8e\u56fd<br>E.root-servers.net192.203.230.10\u7f8e\u56fd<br>F.root-servers.net192.5.5.241\u7f8e\u56fd\uff08\u53e6\u652f\u6301<a rel=\"noreferrer noopener\" href=\"https:\/\/www.baidu.com\/s?wd=IPv6&amp;tn=44039180_cpr&amp;fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1d9ryR4nhnsn1b3ujfYPAfk0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3ErH0YPW6snH0\" target=\"_blank\">IPv6<\/a>\uff09<br>G.root-servers.net192.112.36.4\u7f8e\u56fd<br>H.root-servers.net128.63.2.53\u7f8e\u56fd\uff08\u53e6\u652f\u6301<a rel=\"noreferrer noopener\" href=\"https:\/\/www.baidu.com\/s?wd=IPv6&amp;tn=44039180_cpr&amp;fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1d9ryR4nhnsn1b3ujfYPAfk0ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6KdThsqpZwYTjCEQLGCpyw9Uz4Bmy-bIi4WUvYETgN-TLwGUv3ErH0YPW6snH0\" target=\"_blank\">IPv6<\/a>\uff09<br>I.root-servers.net192.36.148.17\u745e\u5178<br>J.root-servers.net192.58.128.30\u7f8e\u56fd<br>K.root-servers.net193.0.14.129\u82f1\u56fd\uff08\u53e6\u652f\u6301IPv6\uff09<br>L.root-servers.net198.32.64.12\u7f8e\u56fd<br>M.root-servers.net202.12.27.33\u65e5\u672c\uff08\u53e6\u652f\u6301IPv6\uff09<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u9876\u7ea7\u57df\u540d\uff1a\u4ee5.com,.net,.org,.cn\u7b49\u7b49\u5c5e\u4e8e\u56fd\u9645\u9876\u7ea7\u57df\u540d\uff0c\u6839\u636e\u76ee\u524d\u7684\u56fd\u9645\u4e92\u8054\u7f51\u57df\u540d\u4f53\u7cfb\uff0c\u56fd\u9645\u9876\u7ea7\u57df\u540d\u5206\u4e3a\u4e24\u7c7b\uff1a\u7c7b\u522b\u9876\u7ea7\u57df\u540d(gTLD)\u548c\u5730\u7406\u9876\u7ea7\u57df\u540d(ccTLD)\u4e24\u79cd\u3002\u7c7b\u522b\u9876\u7ea7\u57df\u540d\u662f\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;\u4ee5&#8221;COM&#8221;\u3001&#8221;NET&#8221;\u3001&#8221;ORG&#8221;\u3001&#8221;BIZ&#8221;\u3001&#8221;INFO&#8221;\u7b49\u7ed3\u5c3e\u7684\u57df\u540d\uff0c\u5747\u7531\u56fd\u5916\u516c\u53f8\u8d1f\u8d23\u7ba1\u7406\u3002\u5730\u7406\u9876\u7ea7\u57df\u540d\u662f\u4ee5\u56fd\u5bb6\u6216\u5730\u533a\u4ee3\u7801\u4e3a\u7ed3\u5c3e\u7684\u57df\u540d\uff0c\u5982&#8221;CN&#8221;\u4ee3\u8868\u4e2d\u56fd\uff0c&#8221;UK&#8221;\u4ee3\u8868\u82f1\u56fd\u3002\u5730\u7406\u9876\u7ea7\u57df\u540d\u4e00\u822c\u7531\u5404\u4e2a\u56fd\u5bb6\u6216\u5730\u533a\u8d1f\u8d23\u7ba1\u7406\u3002<\/p>\n\n\n\n<p>\u4e8c\u7ea7\u57df\u540d\uff1a\u4e8c\u7ea7\u57df\u540d\u662f\u4ee5\u9876\u7ea7\u57df\u540d\u4e3a\u57fa\u7840\u7684\u5730\u7406\u57df\u540d\uff0c\u6bd4\u55bb\u4e2d\u56fd\u7684\u4e8c\u7ea7\u57df\u6709\uff0c.com.cn,.net.cn,.org.cn,.gd.cn\u7b49.\u5b50\u57df\u540d\u662f\u5176\u7236\u57df\u540d\u7684\u5b50\u57df\u540d\uff0c\u6bd4\u55bb\u7236\u57df\u540d\u662fabc.com,\u5b50\u57df\u540d\u5c31\u662fwww.abc.com\u6216\u8005*.abc.com.<br>\u4e00\u822c\u6765\u8bf4\uff0c\u4e8c\u7ea7\u57df\u540d\u662f\u57df\u540d\u7684\u4e00\u6761\u8bb0\u5f55\uff0c\u6bd4\u5982alidiedie.com\u662f\u4e00\u4e2a\u57df\u540d\uff0cwww.alidiedie.com\u662f\u5176\u4e2d\u6bd4\u8f83\u5e38\u7528\u7684\u8bb0\u5f55\uff0c\u4e00\u822c\u9ed8\u8ba4\u662f\u7528\u8fd9\u4e2a\uff0c\u4f46\u662f\u7c7b\u4f3c*.alidiedie.com\u7684\u57df\u540d\u5168\u90e8\u79f0\u4f5c\u662falidiedie.com\u7684\u4e8c\u7ea7<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>4.HTTP\u90e8\u5206\u7684\u5185\u5bb9\uff0c\u7c7b\u4f3c\u4e8e\u4e0b\u9762\u8fd9\u6837\uff1a<\/em><\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">GET \/ HTTP\/1.1\nHost: www.google.com\nConnection: keep-alive\nUser-Agent: Mozilla\/5.0 (Windows NT 6.1) \u2026\u2026\nAccept: text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8\nAccept-Encoding: gzip,deflate,sdch\nAccept-Language: zh-CN,zh;q=0.8\nAccept-Charset: GBK,utf-8;q=0.7,*;q=0.3\nCookie: \u2026 \u2026<\/pre>\n\n\n\n<p>\u6211\u4eec\u5047\u5b9a\u8fd9\u4e2a\u90e8\u5206\u7684\u957f\u5ea6\u4e3a4960\u5b57\u8282\uff0c\u5b83\u4f1a\u88ab\u5d4c\u5728TCP\u6570\u636e\u5305\u4e4b\u4e2d\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>5 TCP\u534f\u8bae<\/em><\/strong><\/p>\n\n\n\n<p>TCP\u6570\u636e\u5305\u9700\u8981\u8bbe\u7f6e\u7aef\u53e3\uff0c\u63a5\u6536\u65b9\uff08Google\uff09\u7684HTTP\u7aef\u53e3\u9ed8\u8ba4\u662f80\uff0c\u53d1\u9001\u65b9\uff08\u672c\u673a\uff09\u7684\u7aef\u53e3\u662f\u4e00\u4e2a\u968f\u673a\u751f\u6210\u76841024-65535\u4e4b\u95f4\u7684\u6574\u6570\uff0c\u5047\u5b9a\u4e3a51775\u3002<\/p>\n\n\n\n<p>TCP\u6570\u636e\u5305\u7684\u6807\u5934\u957f\u5ea6\u4e3a20\u5b57\u8282\uff0c\u52a0\u4e0a\u5d4c\u5165HTTP\u7684\u6570\u636e\u5305\uff0c\u603b\u957f\u5ea6\u53d8\u4e3a4980\u5b57\u8282\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>6 IP\u534f\u8bae<\/em><\/strong><\/p>\n\n\n\n<p>\u7136\u540e\uff0cTCP\u6570\u636e\u5305\u518d\u5d4c\u5165IP\u6570\u636e\u5305\u3002IP\u6570\u636e\u5305\u9700\u8981\u8bbe\u7f6e\u53cc\u65b9\u7684IP\u5730\u5740\uff0c\u8fd9\u662f\u5df2\u77e5\u7684\uff0c\u53d1\u9001\u65b9\u662f192.168.1.100\uff08\u672c\u673a\uff09\uff0c\u63a5\u6536\u65b9\u662f172.194.72.105\uff08Google\uff09\u3002<\/p>\n\n\n\n<p>IP\u6570\u636e\u5305\u7684\u6807\u5934\u957f\u5ea6\u4e3a20\u5b57\u8282\uff0c\u52a0\u4e0a\u5d4c\u5165\u7684TCP\u6570\u636e\u5305\uff0c\u603b\u957f\u5ea6\u53d8\u4e3a5000\u5b57\u8282\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>7 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