{"id":3575,"date":"2012-06-12T14:19:23","date_gmt":"2012-06-12T06:19:23","guid":{"rendered":"https:\/\/www.icocean.com\/wp\/?p=3575"},"modified":"2012-06-12T14:27:24","modified_gmt":"2012-06-12T06:27:24","slug":"%e4%ba%92%e8%81%94%e7%bd%91%e5%8d%8f%e8%ae%ae%e5%85%a5%e9%97%a8%ef%bc%88%e4%b8%80%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.icocean.com\/blog\/?p=3575","title":{"rendered":"\u4e92\u8054\u7f51\u534f\u8bae\u5165\u95e8\uff08\u4e00\uff09"},"content":{"rendered":"<p>\u4f5c\u8005\uff1a \u962e\u4e00\u5cf0 \u65e5\u671f\uff1a 2012\u5e745\u670831\u65e5<\/p>\n<div>\n<p>\u6211\u4eec\u6bcf\u5929\u4f7f\u7528\u4e92\u8054\u7f51\uff0c\u4f60\u662f\u5426\u60f3\u8fc7\uff0c\u5b83\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f<\/p>\n<\/div>\n<p>\u5168\u4e16\u754c\u51e0\u5341\u4ebf\u53f0\u7535\u8111\uff0c\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4e24\u4e24\u901a\u4fe1\u3002\u4e0a\u6d77\u7684\u67d0\u4e00\u5757\u7f51\u5361\u9001\u51fa\u4fe1\u53f7\uff0c\u6d1b\u6749\u77f6\u7684\u53e6\u4e00\u5757\u7f51\u5361\u5c45\u7136\u5c31\u6536\u5230\u4e86\uff0c\u4e24\u8005\u5b9e\u9645\u4e0a\u6839\u672c\u4e0d\u77e5\u9053\u5bf9\u65b9\u7684\u7269\u7406\u4f4d\u7f6e\uff0c\u4f60\u4e0d\u89c9\u5f97\u8fd9\u662f\u5f88\u795e\u5947\u7684\u4e8b\u60c5\u5417\uff1f<\/p>\n<p>\u4e92\u8054\u7f51\u7684\u6838\u5fc3\u662f\u4e00\u7cfb\u5217\u534f\u8bae\uff0c\u603b\u79f0\u4e3a&#8221;\u4e92\u8054\u7f51\u534f\u8bae&#8221;\uff08Internet Protocol Suite\uff09\u3002\u5b83\u4eec\u5bf9\u7535\u8111\u5982\u4f55\u8fde\u63a5\u548c\u7ec4\u7f51\uff0c\u505a\u51fa\u4e86\u8be6\u5c3d\u7684\u89c4\u5b9a\u3002\u7406\u89e3\u4e86\u8fd9\u4e9b\u534f\u8bae\uff0c\u5c31\u7406\u89e3\u4e86\u4e92\u8054\u7f51\u7684\u539f\u7406\u3002<\/p>\n<p>\u4e0b\u9762\u5c31\u662f\u6211\u7684\u5b66\u4e60\u7b14\u8bb0\u3002\u56e0\u4e3a\u8fd9\u4e9b\u534f\u8bae\u5b9e\u5728\u592a\u590d\u6742\u3001\u592a\u5e9e\u5927\uff0c\u6211\u60f3\u6574\u7406\u4e00\u4e2a\u7b80\u6d01\u7684\u6846\u67b6\uff0c\u5e2e\u52a9\u81ea\u5df1\u4ece\u603b\u4f53\u4e0a\u628a\u63e1\u5b83\u4eec\u3002\u4e3a\u4e86\u4fdd\u8bc1\u7b80\u5355\u6613\u61c2\uff0c\u6211\u505a\u4e86\u5927\u91cf\u7684\u7b80\u5316\uff0c\u6709\u4e9b\u5730\u65b9\u5e76\u4e0d\u5168\u9762\u548c\u7cbe\u786e\uff0c\u4f46\u662f\u5e94\u8be5\u80fd\u591f\u8bf4\u6e05\u695a\u4e92\u8054\u7f51\u7684\u539f\u7406\u3002<br \/>\n<!--nextpage--><br \/>\n<strong>\u4e92\u8054\u7f51\u534f\u8bae\u5165\u95e8<\/strong><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/061924avv.jpg\" alt=\"\" \/><\/p>\n<p><strong>\u4e00\u3001\u6982\u8ff0<\/strong><\/p>\n<p><strong>1.1 \u4e94\u5c42\u6a21\u578b<\/strong><\/p>\n<p>\u4e92\u8054\u7f51\u7684\u5b9e\u73b0\uff0c\u5206\u6210\u597d\u51e0\u5c42\u3002\u6bcf\u4e00\u5c42\u90fd\u6709\u81ea\u5df1\u7684\u529f\u80fd\uff0c\u5c31\u50cf\u5efa\u7b51\u7269\u4e00\u6837\uff0c\u6bcf\u4e00\u5c42\u90fd\u9760\u4e0b\u4e00\u5c42\u652f\u6301\u3002<\/p>\n<p>\u7528\u6237\u63a5\u89e6\u5230\u7684\uff0c\u53ea\u662f\u6700\u4e0a\u9762\u7684\u4e00\u5c42\uff0c\u6839\u672c\u6ca1\u6709\u611f\u89c9\u5230\u4e0b\u9762\u7684\u5c42\u3002\u8981\u7406\u89e3\u4e92\u8054\u7f51\uff0c\u5fc5\u987b\u4ece\u6700\u4e0b\u5c42\u5f00\u59cb\uff0c\u81ea\u4e0b\u800c\u4e0a\u7406\u89e3\u6bcf\u4e00\u5c42\u7684\u529f\u80fd\u3002<\/p>\n<p>\u5982\u4f55\u5206\u5c42\u6709\u4e0d\u540c\u7684\u6a21\u578b\uff0c\u6709\u7684\u6a21\u578b\u5206\u4e03\u5c42\uff0c\u6709\u7684\u5206\u56db\u5c42\u3002\u6211\u89c9\u5f97\uff0c\u628a\u4e92\u8054\u7f51\u5206\u6210\u4e94\u5c42\uff0c\u6bd4\u8f83\u5bb9\u6613\u89e3\u91ca\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/061924wuO.png\" alt=\"\" \/><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6700\u5e95\u4e0b\u7684\u4e00\u5c42\u53eb\u505a&#8221;\u5b9e\u4f53\u5c42&#8221;\uff08Physical Layer\uff09\uff0c\u6700\u4e0a\u9762\u7684\u4e00\u5c42\u53eb\u505a&#8221;\u5e94\u7528\u5c42&#8221;\uff08Application Layer\uff09\uff0c\u4e2d\u95f4\u7684\u4e09\u5c42\uff08\u81ea\u4e0b\u800c\u4e0a\uff09\u5206\u522b\u662f&#8221;\u94fe\u63a5\u5c42&#8221;\uff08Link Layer\uff09\u3001&#8221;\u7f51\u7edc\u5c42&#8221;\uff08Network Layer\uff09\u548c&#8221;\u4f20\u8f93\u5c42&#8221;\uff08Transport Layer\uff09\u3002\u8d8a\u4e0b\u9762\u7684\u5c42\uff0c\u8d8a\u9760\u8fd1\u786c\u4ef6\uff1b\u8d8a\u4e0a\u9762\u7684\u5c42\uff0c\u8d8a\u9760\u8fd1\u7528\u6237\u3002<\/p>\n<p>\u5b83\u4eec\u53eb\u4ec0\u4e48\u540d\u5b57\uff0c\u5176\u5b9e\u5e76\u4e0d\u91cd\u8981\u3002\u53ea\u9700\u8981\u77e5\u9053\uff0c\u4e92\u8054\u7f51\u5206\u6210\u82e5\u5e72\u5c42\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p><strong>1.2 \u5c42\u4e0e\u534f\u8bae<\/strong><\/p>\n<p>\u6bcf\u4e00\u5c42\u90fd\u662f\u4e3a\u4e86\u5b8c\u6210\u4e00\u79cd\u529f\u80fd\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\uff0c\u5c31\u9700\u8981\u5927\u5bb6\u90fd\u9075\u5b88\u5171\u540c\u7684\u89c4\u5219\u3002<\/p>\n<p>\u5927\u5bb6\u90fd\u9075\u5b88\u7684\u89c4\u5219\uff0c\u5c31\u53eb\u505a&#8221;\u534f\u8bae&#8221;\uff08protocol\uff09\u3002<\/p>\n<p>\u4e92\u8054\u7f51\u7684\u6bcf\u4e00\u5c42\uff0c\u90fd\u5b9a\u4e49\u4e86\u5f88\u591a\u534f\u8bae\u3002\u8fd9\u4e9b\u534f\u8bae\u7684\u603b\u79f0\uff0c\u5c31\u53eb\u505a&#8221;\u4e92\u8054\u7f51\u534f\u8bae&#8221;\uff08Internet Protocol Suite\uff09\u3002\u5b83\u4eec\u662f\u4e92\u8054\u7f51\u7684\u6838\u5fc3\uff0c\u4e0b\u9762\u4ecb\u7ecd\u6bcf\u4e00\u5c42\u7684\u529f\u80fd\uff0c\u4e3b\u8981\u5c31\u662f\u4ecb\u7ecd\u6bcf\u4e00\u5c42\u7684\u4e3b\u8981\u534f\u8bae\u3002<br \/>\n<!--nextpage--><br \/>\n<strong>\u4e8c\u3001\u5b9e\u4f53\u5c42<\/strong><\/p>\n<p>\u6211\u4eec\u4ece\u6700\u5e95\u4e0b\u7684\u4e00\u5c42\u5f00\u59cb\u3002<\/p>\n<p>\u7535\u8111\u8981\u7ec4\u7f51\uff0c\u7b2c\u4e00\u4ef6\u4e8b\u8981\u5e72\u4ec0\u4e48\uff1f\u5f53\u7136\u662f\u5148\u628a\u7535\u8111\u8fde\u8d77\u6765\uff0c\u53ef\u4ee5\u7528\u5149\u7f06\u3001\u7535\u7f06\u3001\u53cc\u7ede\u7ebf\u3001\u65e0\u7ebf\u7535\u6ce2\u7b49\u65b9\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062046OBP.png\" alt=\"\" \/><\/p>\n<p><strong>\u8fd9\u5c31\u53eb\u505a&#8221;\u5b9e\u4f53\u5c42&#8221;\uff0c\u5b83\u5c31\u662f\u628a\u7535\u8111\u8fde\u63a5\u8d77\u6765\u7684\u7269\u7406\u624b\u6bb5\u3002\u5b83\u4e3b\u8981\u89c4\u5b9a\u4e86\u7f51\u7edc\u7684\u4e00\u4e9b\u7535\u6c14\u7279\u6027\uff0c\u4f5c\u7528\u662f\u8d1f\u8d23\u4f20\u90010\u548c1\u7684\u7535\u4fe1\u53f7\u3002<\/strong><br \/>\n<!--nextpage--><br \/>\n<strong>\u4e09\u3001\u94fe\u63a5\u5c42<\/strong><\/p>\n<p><strong>3.1 \u5b9a\u4e49<\/strong><\/p>\n<p>\u5355\u7eaf\u76840\u548c1\u6ca1\u6709\u4efb\u4f55\u610f\u4e49\uff0c\u5fc5\u987b\u89c4\u5b9a\u89e3\u8bfb\u65b9\u5f0f\uff1a\u591a\u5c11\u4e2a\u7535\u4fe1\u53f7\u7b97\u4e00\u7ec4\uff1f\u6bcf\u4e2a\u4fe1\u53f7\u4f4d\u6709\u4f55\u610f\u4e49\uff1f<\/p>\n<p><strong>\u8fd9\u5c31\u662f&#8221;\u94fe\u63a5\u5c42&#8221;\u7684\u529f\u80fd\uff0c\u5b83\u5728&#8221;\u5b9e\u4f53\u5c42&#8221;\u7684\u4e0a\u65b9\uff0c\u786e\u5b9a\u4e860\u548c1\u7684\u5206\u7ec4\u65b9\u5f0f\u3002<\/strong><\/p>\n<p><strong>3.2 \u4ee5\u592a\u7f51\u534f\u8bae<\/strong><\/p>\n<p>\u65e9\u671f\u7684\u65f6\u5019\uff0c\u6bcf\u5bb6\u516c\u53f8\u90fd\u6709\u81ea\u5df1\u7684\u7535\u4fe1\u53f7\u5206\u7ec4\u65b9\u5f0f\u3002\u9010\u6e10\u5730\uff0c\u4e00\u79cd\u53eb\u505a<a href=\"http:\/\/zh.wikipedia.org\/wiki\/%E4%BB%A5%E5%A4%AA%E7%BD%91\" target=\"_blank\">&#8220;\u4ee5\u592a\u7f51&#8221;<\/a>\uff08Ethernet\uff09\u7684\u534f\u8bae\uff0c\u5360\u636e\u4e86\u4e3b\u5bfc\u5730\u4f4d\u3002<\/p>\n<p>\u4ee5\u592a\u7f51\u89c4\u5b9a\uff0c\u4e00\u7ec4\u7535\u4fe1\u53f7\u6784\u6210\u4e00\u4e2a\u6570\u636e\u5305\uff0c\u53eb\u505a&#8221;\u5e27&#8221;\uff08Frame\uff09\u3002\u6bcf\u4e00\u5e27\u5206\u6210\u4e24\u4e2a\u90e8\u5206\uff1a\u6807\u5934\uff08Head\uff09\u548c\u6570\u636e\uff08Data\uff09\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062133Dn4.png\" alt=\"\" \/><\/p>\n<p>&#8220;\u6807\u5934&#8221;\u5305\u542b\u6570\u636e\u5305\u7684\u4e00\u4e9b\u8bf4\u660e\u9879\uff0c\u6bd4\u5982\u53d1\u9001\u8005\u3001\u63a5\u53d7\u8005\u3001\u6570\u636e\u7c7b\u578b\u7b49\u7b49\uff1b&#8221;\u6570\u636e&#8221;\u5219\u662f\u6570\u636e\u5305\u7684\u5177\u4f53\u5185\u5bb9\u3002<\/p>\n<p>&#8220;\u6807\u5934&#8221;\u7684\u957f\u5ea6\uff0c\u56fa\u5b9a\u4e3a18\u5b57\u8282\u3002&#8221;\u6570\u636e&#8221;\u7684\u957f\u5ea6\uff0c\u6700\u77ed\u4e3a46\u5b57\u8282\uff0c\u6700\u957f\u4e3a1500\u5b57\u8282\u3002\u56e0\u6b64\uff0c\u6574\u4e2a&#8221;\u5e27&#8221;\u6700\u77ed\u4e3a64\u5b57\u8282\uff0c\u6700\u957f\u4e3a1518\u5b57\u8282\u3002\u5982\u679c\u6570\u636e\u5f88\u957f\uff0c\u5c31\u5fc5\u987b\u5206\u5272\u6210\u591a\u4e2a\u5e27\u8fdb\u884c\u53d1\u9001\u3002<\/p>\n<p><strong>3.3 MAC\u5730\u5740<\/strong><\/p>\n<p>\u4e0a\u9762\u63d0\u5230\uff0c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u7684&#8221;\u6807\u5934&#8221;\uff0c\u5305\u542b\u4e86\u53d1\u9001\u8005\u548c\u63a5\u53d7\u8005\u7684\u4fe1\u606f\u3002\u90a3\u4e48\uff0c\u53d1\u9001\u8005\u548c\u63a5\u53d7\u8005\u662f\u5982\u4f55\u6807\u8bc6\u5462\uff1f<\/p>\n<p>\u4ee5\u592a\u7f51\u89c4\u5b9a\uff0c\u8fde\u5165\u7f51\u7edc\u7684\u6240\u6709\u8bbe\u5907\uff0c\u90fd\u5fc5\u987b\u5177\u6709&#8221;\u7f51\u5361&#8221;\u63a5\u53e3\u3002\u6570\u636e\u5305\u5fc5\u987b\u662f\u4ece\u4e00\u5757\u7f51\u5361\uff0c\u4f20\u9001\u5230\u53e6\u4e00\u5757\u7f51\u5361\u3002\u7f51\u5361\u7684\u5730\u5740\uff0c\u5c31\u662f\u6570\u636e\u5305\u7684\u53d1\u9001\u5730\u5740\u548c\u63a5\u6536\u5730\u5740\uff0c\u8fd9\u53eb\u505aMAC\u5730\u5740\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062133JPW.jpg\" alt=\"\" \/><\/p>\n<p>\u6bcf\u5757\u7f51\u5361\u51fa\u5382\u7684\u65f6\u5019\uff0c\u90fd\u6709\u4e00\u4e2a\u5168\u4e16\u754c\u72ec\u4e00\u65e0\u4e8c\u7684MAC\u5730\u5740\uff0c\u957f\u5ea6\u662f48\u4e2a\u4e8c\u8fdb\u5236\u4f4d\uff0c\u901a\u5e38\u752812\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u8868\u793a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062133H2Z.png\" alt=\"\" \/><\/p>\n<p>\u524d6\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u662f\u5382\u5546\u7f16\u53f7\uff0c\u540e6\u4e2a\u662f\u8be5\u5382\u5546\u7684\u7f51\u5361\u6d41\u6c34\u53f7\u3002\u6709\u4e86MAC\u5730\u5740\uff0c\u5c31\u53ef\u4ee5\u5b9a\u4f4d\u7f51\u5361\u548c\u6570\u636e\u5305\u7684\u8def\u5f84\u4e86\u3002<\/p>\n<p><strong>3.4 \u5e7f\u64ad<\/strong><\/p>\n<p>\u5b9a\u4e49\u5730\u5740\u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u540e\u9762\u8fd8\u6709\u66f4\u591a\u7684\u6b65\u9aa4\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4e00\u5757\u7f51\u5361\u600e\u4e48\u4f1a\u77e5\u9053\u53e6\u4e00\u5757\u7f51\u5361\u7684MAC\u5730\u5740\uff1f<\/p>\n<p>\u56de\u7b54\u662f\u6709\u4e00\u79cdARP\u534f\u8bae\uff0c\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u8fd9\u4e2a\u7559\u5230\u540e\u9762\u4ecb\u7ecd\uff0c\u8fd9\u91cc\u53ea\u9700\u8981\u77e5\u9053\uff0c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u5fc5\u987b\u77e5\u9053\u63a5\u6536\u65b9\u7684MAC\u5730\u5740\uff0c\u7136\u540e\u624d\u80fd\u53d1\u9001\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u5c31\u7b97\u6709\u4e86MAC\u5730\u5740\uff0c\u7cfb\u7edf\u600e\u6837\u624d\u80fd\u628a\u6570\u636e\u5305\u51c6\u786e\u9001\u5230\u63a5\u6536\u65b9\uff1f<\/p>\n<p>\u56de\u7b54\u662f\u4ee5\u592a\u7f51\u91c7\u7528\u4e86\u4e00\u79cd\u5f88&#8221;\u539f\u59cb&#8221;\u7684\u65b9\u5f0f\uff0c\u5b83\u4e0d\u662f\u628a\u6570\u636e\u5305\u51c6\u786e\u9001\u5230\u63a5\u6536\u65b9\uff0c\u800c\u662f\u5411\u672c\u7f51\u7edc\u5185\u6240\u6709\u8ba1\u7b97\u673a\u53d1\u9001\uff0c\u8ba9\u6bcf\u53f0\u8ba1\u7b97\u673a\u81ea\u5df1\u5224\u65ad\uff0c\u662f\u5426\u4e3a\u63a5\u6536\u65b9\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062133zSz.png\" alt=\"\" \/><\/p>\n<p>\u4e0a\u56fe\u4e2d\uff0c1\u53f7\u8ba1\u7b97\u673a\u54112\u53f7\u8ba1\u7b97\u673a\u53d1\u9001\u4e00\u4e2a\u6570\u636e\u5305\uff0c\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u76843\u53f7\u30014\u53f7\u30015\u53f7\u8ba1\u7b97\u673a\u90fd\u4f1a\u6536\u5230\u8fd9\u4e2a\u5305\u3002\u5b83\u4eec\u8bfb\u53d6\u8fd9\u4e2a\u5305\u7684&#8221;\u6807\u5934&#8221;\uff0c\u627e\u5230\u63a5\u6536\u65b9\u7684 MAC\u5730\u5740\uff0c\u7136\u540e\u4e0e\u81ea\u8eab\u7684MAC\u5730\u5740\u76f8\u6bd4\u8f83\uff0c\u5982\u679c\u4e24\u8005\u76f8\u540c\uff0c\u5c31\u63a5\u53d7\u8fd9\u4e2a\u5305\uff0c\u505a\u8fdb\u4e00\u6b65\u5904\u7406\uff0c\u5426\u5219\u5c31\u4e22\u5f03\u8fd9\u4e2a\u5305\u3002\u8fd9\u79cd\u53d1\u9001\u65b9\u5f0f\u5c31\u53eb\u505a&#8221;\u5e7f\u64ad&#8221; 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decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062304VT1.png\" alt=\"\" \/><\/p>\n<p>\u56e0\u6b64\uff0c\u5fc5\u987b\u627e\u5230\u4e00\u79cd\u65b9\u6cd5\uff0c\u80fd\u591f\u533a\u5206\u54ea\u4e9bMAC\u5730\u5740\u5c5e\u4e8e\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\uff0c\u54ea\u4e9b\u4e0d\u662f\u3002\u5982\u679c\u662f\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\uff0c\u5c31\u91c7\u7528\u5e7f\u64ad\u65b9\u5f0f\u53d1\u9001\uff0c\u5426\u5219\u5c31\u91c7\u7528&#8221;\u8def\u7531&#8221;\u65b9\u5f0f\u53d1 \u9001\u3002\uff08&#8221;\u8def\u7531&#8221;\u7684\u610f\u601d\uff0c\u5c31\u662f\u6307\u5982\u4f55\u5411\u4e0d\u540c\u7684\u5b50\u7f51\u7edc\u5206\u53d1\u6570\u636e\u5305\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u4e3b\u9898\uff0c\u672c\u6587\u4e0d\u6d89\u53ca\u3002\uff09\u9057\u61be\u7684\u662f\uff0cMAC\u5730\u5740\u672c\u8eab\u65e0\u6cd5\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u5b83\u53ea\u4e0e\u5382\u5546\u6709 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\/><\/p>\n<p>\u4e60\u60ef\u4e0a\uff0c\u6211\u4eec\u7528\u5206\u6210\u56db\u6bb5\u7684\u5341\u8fdb\u5236\u6570\u8868\u793aIP\u5730\u5740\uff0c\u4ece0.0.0.0\u4e00\u76f4\u5230255.255.255.255\u3002<\/p>\n<p>\u4e92\u8054\u7f51\u4e0a\u7684\u6bcf\u4e00\u53f0\u8ba1\u7b97\u673a\uff0c\u90fd\u4f1a\u5206\u914d\u5230\u4e00\u4e2aIP\u5730\u5740\u3002\u8fd9\u4e2a\u5730\u5740\u5206\u6210\u4e24\u4e2a\u90e8\u5206\uff0c\u524d\u4e00\u90e8\u5206\u4ee3\u8868\u7f51\u7edc\uff0c\u540e\u4e00\u90e8\u5206\u4ee3\u8868\u4e3b\u673a\u3002\u6bd4\u5982\uff0cIP\u5730\u5740 172.16.254.1\uff0c\u8fd9\u662f\u4e00\u4e2a32\u4f4d\u7684\u5730\u5740\uff0c\u5047\u5b9a\u5b83\u7684\u7f51\u7edc\u90e8\u5206\u662f\u524d24\u4f4d\uff08172.16.254\uff09\uff0c\u90a3\u4e48\u4e3b\u673a\u90e8\u5206\u5c31\u662f\u540e8\u4f4d\uff08\u6700\u540e\u7684\u90a3\u4e2a1\uff09\u3002\u5904\u4e8e 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mask\uff09\u3002<\/p>\n<p>\u6240\u8c13&#8221;\u5b50\u7f51\u63a9\u7801&#8221;\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\u4e3a 0\u3002\u6bd4\u5982\uff0cIP\u5730\u5740172.16.254.1\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\u662f 11111111.11111111.11111111.00000000\uff0c\u5199\u6210\u5341\u8fdb\u5236\u5c31\u662f255.255.255.0\u3002<\/p>\n<p>\u77e5\u9053&#8221;\u5b50\u7f51\u63a9\u7801&#8221;\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<p>\u6bd4\u5982\uff0c\u5df2\u77e5IP\u5730\u5740172.16.254.1\u548c172.16.254.233\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\u7ed3\u679c\u90fd\u662f172.16.254.0\uff0c\u56e0\u6b64\u5b83\u4eec\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u3002<\/p>\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<p><strong>4.3 IP\u6570\u636e\u5305<\/strong><\/p>\n<p>\u6839\u636eIP\u534f\u8bae\u53d1\u9001\u7684\u6570\u636e\uff0c\u5c31\u53eb\u505aIP\u6570\u636e\u5305\u3002\u4e0d\u96be\u60f3\u8c61\uff0c\u5176\u4e2d\u5fc5\u5b9a\u5305\u62ecIP\u5730\u5740\u4fe1\u606f\u3002<\/p>\n<p>\u4f46\u662f\u524d\u9762\u8bf4\u8fc7\uff0c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u53ea\u5305\u542bMAC\u5730\u5740\uff0c\u5e76\u6ca1\u6709IP\u5730\u5740\u7684\u680f\u4f4d\u3002\u90a3\u4e48\u662f\u5426\u9700\u8981\u4fee\u6539\u6570\u636e\u5b9a\u4e49\uff0c\u518d\u6dfb\u52a0\u4e00\u4e2a\u680f\u4f4d\u5462\uff1f<\/p>\n<p>\u56de\u7b54\u662f\u4e0d\u9700\u8981\uff0c\u6211\u4eec\u53ef\u4ee5\u628aIP\u6570\u636e\u5305\u76f4\u63a5\u653e\u8fdb\u4ee5\u592a\u7f51\u6570\u636e\u5305\u7684&#8221;\u6570\u636e&#8221;\u90e8\u5206\uff0c\u56e0\u6b64\u5b8c\u5168\u4e0d\u7528\u4fee\u6539\u4ee5\u592a\u7f51\u7684\u89c4\u683c\u3002\u8fd9\u5c31\u662f\u4e92\u8054\u7f51\u5206\u5c42\u7ed3\u6784\u7684\u597d\u5904\uff1a\u4e0a\u5c42\u7684\u53d8\u52a8\u5b8c\u5168\u4e0d\u6d89\u53ca\u4e0b\u5c42\u7684\u7ed3\u6784\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0cIP\u6570\u636e\u5305\u4e5f\u5206\u4e3a&#8221;\u6807\u5934&#8221;\u548c&#8221;\u6570\u636e&#8221;\u4e24\u4e2a\u90e8\u5206\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062304ZOf.png\" alt=\"\" \/><\/p>\n<p>&#8220;\u6807\u5934&#8221;\u90e8\u5206\u4e3b\u8981\u5305\u62ec\u7248\u672c\u3001\u957f\u5ea6\u3001IP\u5730\u5740\u7b49\u4fe1\u606f\uff0c&#8221;\u6570\u636e&#8221;\u90e8\u5206\u5219\u662fIP\u6570\u636e\u5305\u7684\u5177\u4f53\u5185\u5bb9\u3002\u5b83\u653e\u8fdb\u4ee5\u592a\u7f51\u6570\u636e\u5305\u540e\uff0c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u5c31\u53d8\u6210\u4e86\u4e0b\u9762\u8fd9\u6837\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/062304Iwc.png\" alt=\"\" \/><\/p>\n<p>IP\u6570\u636e\u5305\u7684&#8221;\u6807\u5934&#8221;\u90e8\u5206\u7684\u957f\u5ea6\u4e3a20\u523060\u5b57\u8282\uff0c\u6574\u4e2a\u6570\u636e\u5305\u7684\u603b\u957f\u5ea6\u6700\u5927\u4e3a65,535\u5b57\u8282\u3002\u56e0\u6b64\uff0c\u7406\u8bba\u4e0a\uff0c\u4e00\u4e2aIP\u6570\u636e\u5305\u7684&#8221;\u6570\u636e&#8221;\u90e8\u5206\uff0c\u6700\u957f \u4e3a65,515\u5b57\u8282\u3002\u524d\u9762\u8bf4\u8fc7\uff0c\u4ee5\u592a\u7f51\u6570\u636e\u5305\u7684&#8221;\u6570\u636e&#8221;\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<p><strong>4.4 ARP\u534f\u8bae<\/strong><\/p>\n<p>\u5173\u4e8e&#8221;\u7f51\u7edc\u5c42&#8221;\uff0c\u8fd8\u6709\u6700\u540e\u4e00\u70b9\u9700\u8981\u8bf4\u660e\u3002<\/p>\n<p>\u56e0\u4e3aIP\u6570\u636e\u5305\u662f\u653e\u5728\u4ee5\u592a\u7f51\u6570\u636e\u5305\u91cc\u53d1\u9001\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u5fc5\u987b\u540c\u65f6\u77e5\u9053\u4e24\u4e2a\u5730\u5740\uff0c\u4e00\u4e2a\u662f\u5bf9\u65b9\u7684MAC\u5730\u5740\uff0c\u53e6\u4e00\u4e2a\u662f\u5bf9\u65b9\u7684IP\u5730\u5740\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5bf9\u65b9\u7684IP\u5730\u5740\u662f\u5df2\u77e5\u7684\uff08\u540e\u6587\u4f1a\u89e3\u91ca\uff09\uff0c\u4f46\u662f\u6211\u4eec\u4e0d\u77e5\u9053\u5b83\u7684MAC\u5730\u5740\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u9700\u8981\u4e00\u79cd\u673a\u5236\uff0c\u80fd\u591f\u4eceIP\u5730\u5740\u5f97\u5230MAC\u5730\u5740\u3002<\/p>\n<p>\u8fd9\u91cc\u53c8\u53ef\u4ee5\u5206\u6210\u4e24\u79cd\u60c5\u51b5\u3002\u7b2c\u4e00\u79cd\u60c5\u51b5\uff0c\u5982\u679c\u4e24\u53f0\u4e3b\u673a\u4e0d\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\uff0c\u90a3\u4e48\u4e8b\u5b9e\u4e0a\u6ca1\u6709\u529e\u6cd5\u5f97\u5230\u5bf9\u65b9\u7684MAC\u5730\u5740\uff0c\u53ea\u80fd\u628a\u6570\u636e\u5305\u4f20\u9001\u5230\u4e24\u4e2a\u5b50\u7f51\u7edc\u8fde\u63a5\u5904\u7684&#8221;\u7f51\u5173&#8221;\uff08gateway\uff09\uff0c\u8ba9\u7f51\u5173\u53bb\u5904\u7406\u3002<\/p>\n<p>\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff0c\u5982\u679c\u4e24\u53f0\u4e3b\u673a\u5728\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u7528ARP\u534f\u8bae\uff0c\u5f97\u5230\u5bf9\u65b9\u7684MAC\u5730\u5740\u3002ARP\u534f\u8bae\u4e5f\u662f\u53d1\u51fa\u4e00\u4e2a\u6570\u636e\u5305\uff08\u5305\u542b\u5728\u4ee5\u592a\u7f51\u6570\u636e\u5305 \u4e2d\uff09\uff0c\u5176\u4e2d\u5305\u542b\u5b83\u6240\u8981\u67e5\u8be2\u4e3b\u673a\u7684IP\u5730\u5740\uff0c\u5728\u5bf9\u65b9\u7684MAC\u5730\u5740\u8fd9\u4e00\u680f\uff0c\u586b\u7684\u662fFF:FF:FF:FF:FF:FF\uff0c\u8868\u793a\u8fd9\u662f\u4e00\u4e2a&#8221;\u5e7f\u64ad&#8221;\u5730\u5740\u3002\u5b83\u6240\u5728\u5b50\u7f51 \u7edc\u7684\u6bcf\u4e00\u53f0\u4e3b\u673a\uff0c\u90fd\u4f1a\u6536\u5230\u8fd9\u4e2a\u6570\u636e\u5305\uff0c\u4ece\u4e2d\u53d6\u51faIP\u5730\u5740\uff0c\u4e0e\u81ea\u8eab\u7684IP\u5730\u5740\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4e24\u8005\u76f8\u540c\uff0c\u90fd\u505a\u51fa\u56de\u590d\uff0c\u5411\u5bf9\u65b9\u62a5\u544a\u81ea\u5df1\u7684MAC\u5730\u5740\uff0c\u5426\u5219\u5c31\u4e22\u5f03 \u8fd9\u4e2a\u5305\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u6709\u4e86ARP\u534f\u8bae\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5f97\u5230\u540c\u4e00\u4e2a\u5b50\u7f51\u7edc\u5185\u7684\u4e3b\u673aMAC\u5730\u5740\uff0c\u53ef\u4ee5\u628a\u6570\u636e\u5305\u53d1\u9001\u5230\u4efb\u610f\u4e00\u53f0\u4e3b\u673a\u4e4b\u4e0a\u4e86\u3002<br \/>\n<!--nextpage--><br \/>\n<strong>\u4e94\u3001\u4f20\u8f93\u5c42<\/strong><\/p>\n<p><strong>5.1 \u4f20\u8f93\u5c42\u7684\u7531\u6765<\/strong><\/p>\n<p>\u6709\u4e86MAC\u5730\u5740\u548cIP\u5730\u5740\uff0c\u6211\u4eec\u5df2\u7ecf\u53ef\u4ee5\u5728\u4e92\u8054\u7f51\u4e0a\u4efb\u610f\u4e24\u53f0\u4e3b\u673a\u4e0a\u5efa\u7acb\u901a\u4fe1\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u7684\u95ee\u9898\u662f\uff0c\u540c\u4e00\u53f0\u4e3b\u673a\u4e0a\u6709\u8bb8\u591a\u7a0b\u5e8f\u90fd\u9700\u8981\u7528\u5230\u7f51\u7edc\uff0c\u6bd4\u5982\uff0c\u4f60\u4e00\u8fb9\u6d4f\u89c8\u7f51\u9875\uff0c\u4e00\u8fb9\u4e0e\u670b\u53cb\u5728\u7ebf\u804a\u5929\u3002\u5f53\u4e00\u4e2a\u6570\u636e\u5305\u4ece\u4e92\u8054\u7f51\u4e0a\u53d1\u6765\u7684\u65f6\u5019\uff0c\u4f60\u600e\u4e48\u77e5\u9053\uff0c\u5b83\u662f\u8868\u793a\u7f51\u9875\u7684\u5185\u5bb9\uff0c\u8fd8\u662f\u8868\u793a\u5728\u7ebf\u804a\u5929\u7684\u5185\u5bb9\uff1f<\/p>\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u4e00\u4e2a\u53c2\u6570\uff0c\u8868\u793a\u8fd9\u4e2a\u6570\u636e\u5305\u5230\u5e95\u4f9b\u54ea\u4e2a\u7a0b\u5e8f\uff08\u8fdb\u7a0b\uff09\u4f7f\u7528\u3002\u8fd9\u4e2a\u53c2\u6570\u5c31\u53eb\u505a&#8221;\u7aef\u53e3&#8221;\uff08port\uff09\uff0c\u5b83\u5176\u5b9e\u662f\u6bcf\u4e00\u4e2a\u4f7f\u7528\u7f51\u5361\u7684\u7a0b\u5e8f\u7684\u7f16\u53f7\u3002\u6bcf\u4e2a\u6570\u636e\u5305\u90fd\u53d1\u5230\u4e3b\u673a\u7684\u7279\u5b9a\u7aef\u53e3\uff0c\u6240\u4ee5\u4e0d\u540c\u7684\u7a0b\u5e8f\u5c31\u80fd\u53d6\u5230\u81ea\u5df1\u6240\u9700\u8981\u7684\u6570\u636e\u3002<\/p>\n<p>&#8220;\u7aef\u53e3&#8221;\u662f0\u523065535\u4e4b\u95f4\u7684\u4e00\u4e2a\u6574\u6570\uff0c\u6b63\u597d16\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u30020\u52301023\u7684\u7aef\u53e3\u88ab\u7cfb\u7edf\u5360\u7528\uff0c\u7528\u6237\u53ea\u80fd\u9009\u7528\u5927\u4e8e1023\u7684\u7aef\u53e3\u3002\u4e0d\u7ba1\u662f\u6d4f\u89c8\u7f51\u9875\u8fd8\u662f\u5728\u7ebf\u804a\u5929\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u968f\u673a\u9009\u7528\u4e00\u4e2a\u7aef\u53e3\uff0c\u7136\u540e\u4e0e\u670d\u52a1\u5668\u7684\u76f8\u5e94\u7aef\u53e3\u8054\u7cfb\u3002<\/p>\n<p><strong>&#8220;\u4f20\u8f93\u5c42&#8221;\u7684\u529f\u80fd\uff0c\u5c31\u662f\u5efa\u7acb&#8221;\u7aef\u53e3\u5230\u7aef\u53e3&#8221;\u7684\u901a\u4fe1\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c&#8221;\u7f51\u7edc\u5c42&#8221;\u7684\u529f\u80fd\u662f\u5efa\u7acb&#8221;\u4e3b\u673a\u5230\u4e3b\u673a&#8221;\u7684\u901a\u4fe1\u3002\u53ea\u8981\u786e\u5b9a\u4e3b\u673a\u548c\u7aef\u53e3\uff0c\u6211\u4eec\u5c31\u80fd\u5b9e\u73b0\u7a0b\u5e8f\u4e4b\u95f4\u7684\u4ea4\u6d41\u3002<\/strong>\u56e0\u6b64\uff0cUnix\u7cfb\u7edf\u5c31\u628a\u4e3b\u673a+\u7aef\u53e3\uff0c\u53eb\u505a&#8221;\u5957\u63a5\u5b57&#8221;\uff08socket\uff09\u3002\u6709\u4e86\u5b83\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e86\u3002<\/p>\n<p><strong>5.2 UDP\u534f\u8bae<\/strong><\/p>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5fc5\u987b\u5728\u6570\u636e\u5305\u4e2d\u52a0\u5165\u7aef\u53e3\u4fe1\u606f\uff0c\u8fd9\u5c31\u9700\u8981\u65b0\u7684\u534f\u8bae\u3002\u6700\u7b80\u5355\u7684\u5b9e\u73b0\u53eb\u505aUDP\u534f\u8bae\uff0c\u5b83\u7684\u683c\u5f0f\u51e0\u4e4e\u5c31\u662f\u5728\u6570\u636e\u524d\u9762\uff0c\u52a0\u4e0a\u7aef\u53e3\u53f7\u3002<\/p>\n<p>UDP\u6570\u636e\u5305\uff0c\u4e5f\u662f\u7531&#8221;\u6807\u5934&#8221;\u548c&#8221;\u6570\u636e&#8221;\u4e24\u90e8\u5206\u7ec4\u6210\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/0623556np.png\" alt=\"\" \/><\/p>\n<p>&#8220;\u6807\u5934&#8221;\u90e8\u5206\u4e3b\u8981\u5b9a\u4e49\u4e86\u53d1\u51fa\u7aef\u53e3\u548c\u63a5\u6536\u7aef\u53e3\uff0c&#8221;\u6570\u636e&#8221;\u90e8\u5206\u5c31\u662f\u5177\u4f53\u7684\u5185\u5bb9\u3002\u7136\u540e\uff0c\u628a\u6574\u4e2aUDP\u6570\u636e\u5305\u653e\u5165IP\u6570\u636e\u5305\u7684&#8221;\u6570\u636e&#8221;\u90e8\u5206\uff0c\u800c\u524d\u9762\u8bf4\u8fc7\uff0cIP\u6570\u636e\u5305\u53c8\u662f\u653e\u5728\u4ee5\u592a\u7f51\u6570\u636e\u5305\u4e4b\u4e2d\u7684\uff0c\u6240\u4ee5\u6574\u4e2a\u4ee5\u592a\u7f51\u6570\u636e\u5305\u73b0\u5728\u53d8\u6210\u4e86\u4e0b\u9762\u8fd9\u6837\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/0623555UR.png\" alt=\"\" \/><\/p>\n<p>UDP\u6570\u636e\u5305\u975e\u5e38\u7b80\u5355\uff0c&#8221;\u6807\u5934&#8221;\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<p><strong>5.3 TCP\u534f\u8bae<\/strong><\/p>\n<p>UDP\u534f\u8bae\u7684\u4f18\u70b9\u662f\u6bd4\u8f83\u7b80\u5355\uff0c\u5bb9\u6613\u5b9e\u73b0\uff0c\u4f46\u662f\u7f3a\u70b9\u662f\u53ef\u9760\u6027\u8f83\u5dee\uff0c\u4e00\u65e6\u6570\u636e\u5305\u53d1\u51fa\uff0c\u65e0\u6cd5\u77e5\u9053\u5bf9\u65b9\u662f\u5426\u6536\u5230\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u63d0\u9ad8\u7f51\u7edc\u53ef\u9760\u6027\uff0cTCP\u534f\u8bae\u5c31\u8bde\u751f\u4e86\u3002\u8fd9\u4e2a\u534f\u8bae\u975e\u5e38\u590d\u6742\uff0c\u4f46\u53ef\u4ee5\u8fd1\u4f3c\u8ba4\u4e3a\uff0c\u5b83\u5c31\u662f\u6709\u786e\u8ba4\u673a\u5236\u7684UDP\u534f\u8bae\uff0c\u6bcf\u53d1\u51fa\u4e00\u4e2a\u6570\u636e\u5305\u90fd\u8981\u6c42\u786e\u8ba4\u3002\u5982\u679c\u6709\u4e00\u4e2a\u6570\u636e\u5305\u9057\u5931\uff0c\u5c31\u6536\u4e0d\u5230\u786e\u8ba4\uff0c\u53d1\u51fa\u65b9\u5c31\u77e5\u9053\u6709\u5fc5\u8981\u91cd\u53d1\u8fd9\u4e2a\u6570\u636e\u5305\u4e86\u3002<\/p>\n<p>\u56e0\u6b64\uff0cTCP\u534f\u8bae\u80fd\u591f\u786e\u4fdd\u6570\u636e\u4e0d\u4f1a\u9057\u5931\u3002\u5b83\u7684\u7f3a\u70b9\u662f\u8fc7\u7a0b\u590d\u6742\u3001\u5b9e\u73b0\u56f0\u96be\u3001\u6d88\u8017\u8f83\u591a\u7684\u8d44\u6e90\u3002<\/p>\n<p>TCP\u6570\u636e\u5305\u548cUDP\u6570\u636e\u5305\u4e00\u6837\uff0c\u90fd\u662f\u5185\u5d4c\u5728IP\u6570\u636e\u5305\u7684&#8221;\u6570\u636e&#8221;\u90e8\u5206\u3002TCP\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<br \/>\n<!--nextpage--><br \/>\n<strong>\u516d\u3001\u5e94\u7528\u5c42<\/strong><\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u6536\u5230&#8221;\u4f20\u8f93\u5c42&#8221;\u7684\u6570\u636e\uff0c\u63a5\u4e0b\u6765\u5c31\u8981\u8fdb\u884c\u89e3\u8bfb\u3002\u7531\u4e8e\u4e92\u8054\u7f51\u662f\u5f00\u653e\u67b6\u6784\uff0c\u6570\u636e\u6765\u6e90\u4e94\u82b1\u516b\u95e8\uff0c\u5fc5\u987b\u4e8b\u5148\u89c4\u5b9a\u597d\u683c\u5f0f\uff0c\u5426\u5219\u6839\u672c\u65e0\u6cd5\u89e3\u8bfb\u3002<\/p>\n<p><strong>&#8220;\u5e94\u7528\u5c42&#8221;\u7684\u4f5c\u7528\uff0c\u5c31\u662f\u89c4\u5b9a\u5e94\u7528\u7a0b\u5e8f\u7684\u6570\u636e\u683c\u5f0f\u3002<\/strong><\/p>\n<p>\u4e3e\u4f8b\u6765\u8bf4\uff0cTCP\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&#8221;\u5e94\u7528\u5c42&#8221;\u3002<\/p>\n<p>\u8fd9\u662f\u6700\u9ad8\u7684\u4e00\u5c42\uff0c\u76f4\u63a5\u9762\u5bf9\u7528\u6237\u3002\u5b83\u7684\u6570\u636e\u5c31\u653e\u5728TCP\u6570\u636e\u5305\u7684&#8221;\u6570\u636e&#8221;\u90e8\u5206\u3002\u56e0\u6b64\uff0c\u73b0\u5728\u7684\u4ee5\u592a\u7f51\u7684\u6570\u636e\u5305\u5c31\u53d8\u6210\u4e0b\u9762\u8fd9\u6837\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.icocean.com\/blog\/wp-content\/uploads\/auto_save_image\/2012\/06\/0624575qk.png\" alt=\"\" \/><\/p>\n<p>\u81f3\u6b64\uff0c\u6574\u4e2a\u4e92\u8054\u7f51\u7684\u4e94\u5c42\u7ed3\u6784\uff0c\u81ea\u4e0b\u800c\u4e0a\u5168\u90e8\u8bb2\u5b8c\u4e86\u3002\u8fd9\u662f\u4ece\u7cfb\u7edf\u7684\u89d2\u5ea6\uff0c\u89e3\u91ca\u4e92\u8054\u7f51\u662f\u5982\u4f55\u6784\u6210\u7684\u3002<a href=\"http:\/\/www.ruanyifeng.com\/blog\/2012\/06\/internet_protocol_suite_part_ii.html\" target=\"_blank\">\u4e0b\u4e00\u7bc7<\/a>\uff0c\u6211\u53cd\u8fc7\u6765\uff0c\u4ece\u7528\u6237\u7684\u89d2\u5ea6\uff0c\u81ea\u4e0a\u800c\u4e0b\u770b\u770b\u8fd9\u4e2a\u7ed3\u6784\u662f\u5982\u4f55\u53d1\u6325\u4f5c\u7528\uff0c\u5b8c\u6210\u4e00\u6b21\u7f51\u7edc\u6570\u636e\u4ea4\u6362\u7684\u3002<\/p>\n<p>\u7248\u6743\u58f0\u660e\uff1a\u81ea\u7531\u8f6c\u8f7d-\u975e\u5546\u7528-\u975e\u884d\u751f-\u4fdd\u6301\u7f72\u540d | Creative Commons BY-NC-ND 3.0<br \/>\n\u539f\u6587\u7f51\u5740\uff1ahttp:\/\/www.ruanyifeng.com\/blog\/2012\/05\/internet_protocol_suite_part_i.html<br \/>\n\u6700\u540e\u4fee\u6539\u65f6\u95f4\uff1a2012\u5e746\u670812\u65e5 09:46<\/p>\n<nav class=\"page-links\"><strong>\u9875\u9762\uff1a<\/strong> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575\" class=\"post-page-numbers\"><span class=\"page-num\">1<\/span><\/a> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575&#038;page=2\" class=\"post-page-numbers\"><span class=\"page-num\">2<\/span><\/a> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575&#038;page=3\" class=\"post-page-numbers\"><span class=\"page-num\">3<\/span><\/a> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575&#038;page=4\" class=\"post-page-numbers\"><span class=\"page-num\">4<\/span><\/a> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575&#038;page=5\" class=\"post-page-numbers\"><span class=\"page-num\">5<\/span><\/a> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575&#038;page=6\" class=\"post-page-numbers\"><span class=\"page-num\">6<\/span><\/a> <a href=\"https:\/\/www.icocean.com\/blog\/?p=3575&#038;page=7\" class=\"post-page-numbers\"><span class=\"page-num\">7<\/span><\/a><\/nav>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u8005\uff1a \u962e\u4e00\u5cf0 \u65e5\u671f\uff1a 2012\u5e745\u670831\u65e5 \u6211\u4eec\u6bcf\u5929\u4f7f\u7528\u4e92\u8054\u7f51\uff0c\u4f60\u662f\u5426\u60f3\u8fc7\uff0c\u5b83\u662f\u5982\u4f55\u5b9e\u73b0\u7684\uff1f \u5168\u4e16\u754c\u51e0\u5341\u4ebf\u53f0 <a href='https:\/\/www.icocean.com\/blog\/?p=3575' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3575","post","type-post","status-publish","format-standard","hentry","category-4","category-4-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3575"}],"version-history":[{"count":8,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3575\/revisions"}],"predecessor-version":[{"id":3597,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/3575\/revisions\/3597"}],"wp:attachment":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}