{"id":6785,"date":"2022-03-03T14:24:34","date_gmt":"2022-03-03T22:24:34","guid":{"rendered":"https:\/\/www.xh86.me\/?p=6785"},"modified":"2022-03-03T14:24:34","modified_gmt":"2022-03-03T22:24:34","slug":"36%e5%bc%a0%e5%9b%be%e8%af%a6%e8%a7%a3%e7%bd%91%e7%bb%9c%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=6785","title":{"rendered":"36\u5f20\u56fe\u8be6\u89e3\u7f51\u7edc\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"
\n
\n
\n
\n
<\/section>\n<\/section>\n<\/section>\n<\/section>\n
\n
<\/div>
\u524d\u8a00<\/figcaption><\/figure>\n

\u7f51\u7edc\u534f\u8bae<\/span><\/h3>\n

\u6211\u4eec\u7528\u624b\u673a\u8fde\u63a5\u4e0a\u7f51\u7684\u65f6\u5019\uff0c\u4f1a\u7528\u5230\u8bb8\u591a\u7f51\u7edc\u534f\u8bae\u3002\u4ece\u624b\u673a\u8fde\u63a5 WiFi \u5f00\u59cb\uff0c\u4f7f\u7528\u7684\u662f 802.11<\/strong> \uff08\u5373 WLAN \uff09\u534f\u8bae\uff0c\u901a\u8fc7 WLAN \u63a5\u5165\u7f51\u7edc\uff1b\u624b\u673a\u81ea\u52a8\u83b7\u53d6\u7f51\u7edc\u914d\u7f6e\uff0c\u4f7f\u7528\u7684\u662f DHCP<\/strong> \u534f\u8bae\uff0c\u83b7\u53d6\u914d\u7f6e\u540e\u624b\u673a\u624d\u80fd\u6b63\u5e38\u901a\u4fe1\u3002\u8fd9\u65f6\u624b\u673a\u5df2\u7ecf\u8fde\u5165\u5c40\u57df\u7f51<\/strong>\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5c40\u57df\u7f51\u5185\u7684\u8bbe\u5907\u548c\u8d44\u6e90\uff0c\u4f46\u8fd8\u4e0d\u80fd\u4f7f\u7528\u4e92\u8054\u7f51\u5e94\u7528\uff0c\u4f8b\u5982\uff1a\u5fae\u4fe1\u3001\u6296\u97f3\u7b49\u3002\u60f3\u8981\u8bbf\u95ee\u4e92\u8054\u7f51<\/strong>\uff0c\u8fd8\u9700\u8981\u5728\u624b\u673a\u7684\u4e0a\u8054\u7f51\u7edc\u8bbe\u5907\u4e0a\u5b9e\u73b0\u76f8\u5173\u534f\u8bae\uff0c\u5373\u5728\u65e0\u7ebf\u8def\u7531\u5668\u4e0a\u914d\u7f6e NAT<\/strong>\u3001 PPPOE<\/strong> \u7b49\u529f\u80fd\uff0c\u518d\u901a\u8fc7\u8fd0\u8425\u5546\u63d0\u4f9b\u7684\u4e92\u8054\u7f51\u7ebf\u8def\u628a\u5c40\u57df\u7f51\u63a5\u5165\u5230\u4e92\u8054\u7f51\u4e2d\uff0c\u624b\u673a\u5c31\u53ef\u4ee5\u4e0a\u7f51\u73a9\u5fae\u4fe1\u3001\u5237\u6296\u97f3\u4e86\u3002<\/p>\n

<\/div>
\u7f51\u7edc\u534f\u8bae\u793a\u610f\u56fe<\/figcaption><\/figure>\n
\n

\u5c40\u57df\u7f51<\/strong> \uff1a\u5c0f\u8303\u56f4\u5185\u7684\u79c1\u6709\u7f51\u7edc\uff0c\u4e00\u4e2a\u5bb6\u5ead\u5185\u7684\u7f51\u7edc\u3001\u4e00\u4e2a\u516c\u53f8\u5185\u7684\u7f51\u7edc\u3001\u4e00\u4e2a\u6821\u56ed\u5185\u7684\u7f51\u7edc\u90fd\u5c5e\u4e8e\u5c40\u57df\u7f51\u3002<\/p>\n

\u5e7f\u57df\u7f51<\/strong>\uff1a\u628a\u4e0d\u540c\u5730\u57df\u7684\u5c40\u57df\u7f51\u4e92\u76f8\u8fde\u63a5\u8d77\u6765\u7684\u7f51\u7edc\u3002\u8fd0\u8425\u5546\u642d\u5efa\u5e7f\u57df\u7f51\u5b9e\u73b0\u8de8\u533a\u57df\u7684\u7f51\u7edc\u4e92\u8fde\u3002<\/p>\n

\u4e92\u8054\u7f51<\/strong>\uff1a\u4e92\u8054\u5168\u4e16\u754c\u7684\u7f51\u7edc\u3002\u4e92\u8054\u7f51\u662f\u4e00\u4e2a\u5f00\u653e\u3001\u4e92\u8054\u7684\u7f51\u7edc\uff0c\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u4e2a\u4eba\u548c\u4efb\u4f55\u673a\u6784\uff0c\u63a5\u5165\u4e92\u8054\u7f51\u540e\u53ef\u4ee5\u548c\u4e92\u8054\u7f51\u7684\u4efb\u4f55\u4e00\u53f0\u4e3b\u673a\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<\/blockquote>\n

\u7b80\u5355\u6765\u8bf4\uff0c\u5c31\u662f\u624b\u673a\u3001\u65e0\u7ebf\u8def\u7531\u5668\u7b49\u8bbe\u5907\u901a\u8fc7\u591a\u79cd\u7f51\u7edc\u534f\u8bae<\/strong>\u5b9e\u73b0\u901a\u4fe1\u3002\u7f51\u7edc\u534f\u8bae\u5c31\u662f\u4e3a\u4e86\u901a\u4fe1\u5404\u65b9\u80fd\u591f\u4e92\u76f8\u4ea4\u6d41\u800c\u5b9a\u4e49\u7684\u6807\u51c6\u6216\u89c4\u5219\uff0c\u8bbe\u5907\u53ea\u8981\u9075\u5faa\u76f8\u540c\u7684\u7f51\u7edc\u534f\u8bae\u5c31\u80fd\u591f\u5b9e\u73b0\u901a\u4fe1\u3002\u90a3\u7f51\u7edc\u534f\u8bae\u53c8\u662f\u8c01\u89c4\u5b9a\u7684\u5462\uff1fISO \u5236\u5b9a\u4e86\u4e00\u4e2a\u56fd\u9645\u6807\u51c6 OSI<\/strong> \uff0c \u5176\u4e2d\u7684 OSI \u53c2\u8003\u6a21\u578b<\/strong>\u5e38\u88ab\u7528\u4e8e\u7f51\u7edc\u534f\u8bae\u7684\u5236\u5b9a\u3002<\/p>\n

<\/div>
OSI \u53c2\u8003\u6a21\u578b\u56fe<\/figcaption><\/figure>\n

OSI \u53c2\u8003\u6a21\u578b<\/span><\/h3>\n

OSI \u53c2\u8003\u6a21\u578b\u5c06\u7f51\u7edc\u534f\u8bae\u63d0\u4f9b\u7684\u670d\u52a1\u5206\u6210 7<\/strong> \u5c42\uff0c\u5e76\u5b9a\u4e49\u6bcf\u4e00\u5c42\u7684\u670d\u52a1<\/strong>\u5185\u5bb9\uff0c\u5b9e\u73b0\u6bcf\u4e00\u5c42\u670d\u52a1\u7684\u662f\u534f\u8bae<\/strong>\uff0c\u534f\u8bae\u7684\u5177\u4f53\u5185\u5bb9\u662f\u89c4\u5219<\/strong>\u3002\u4e0a\u4e0b\u5c42\u4e4b\u95f4\u901a\u8fc7\u63a5\u53e3<\/strong>\u8fdb\u884c\u4ea4\u4e92\uff0c\u540c\u4e00\u5c42\u4e4b\u95f4\u901a\u8fc7\u534f\u8bae<\/strong>\u8fdb\u884c\u4ea4\u4e92\u3002OSI \u53c2\u8003\u6a21\u578b\u53ea\u5bf9\u5404\u5c42\u7684\u670d\u52a1\u505a\u4e86\u7c97\u7565\u7684\u754c\u5b9a\uff0c\u5e76\u6ca1\u6709\u5bf9\u534f\u8bae\u8fdb\u884c\u8be6\u7ec6\u7684\u5b9a\u4e49\uff0c\u4f46\u662f\u8bb8\u591a\u534f\u8bae\u90fd\u5bf9\u5e94\u4e86 7 \u4e2a\u5206\u5c42\u7684\u67d0\u4e00\u5c42\u3002\u6240\u4ee5\u8981\u4e86\u89e3\u7f51\u7edc\uff0c\u9996\u5148\u8981\u4e86\u89e3 OSI \u53c2\u8003\u6a21\u578b\u3002<\/p>\n

<\/div>
OSI \u53c2\u8003\u6a21\u578b\u5206\u5c42\u529f\u80fd<\/figcaption><\/figure>\n

\u5e94\u7528\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 7<\/strong> \u5c42\uff08\u6700\u9ad8\u5c42\uff09\u3002\u5e94\u7528\u7a0b\u5e8f\u548c\u7f51\u7edc\u4e4b\u95f4\u7684\u63a5\u53e3\uff0c\u76f4\u63a5\u5411\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u3002\u5e94\u7528\u5c42\u534f\u8bae\u6709\u7535\u5b50\u90ae\u4ef6\u3001\u8fdc\u7a0b\u767b\u5f55\u7b49\u534f\u8bae\u3002<\/p>\n

<\/div>
\u5e94\u7528\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

\u8868\u793a\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 6<\/strong> \u5c42\u3002\u8d1f\u8d23\u6570\u636e\u683c\u5f0f\u7684\u4e92\u76f8\u8f6c\u6362\uff0c\u5982\u7f16\u7801\u3001\u6570\u636e\u683c\u5f0f\u8f6c\u6362\u548c\u52a0\u5bc6\u89e3\u5bc6\u7b49\u3002\u4fdd\u8bc1\u4e00\u4e2a\u7cfb\u7edf\u5e94\u7528\u5c42\u53d1\u51fa\u7684\u4fe1\u606f\u53ef\u88ab\u53e6\u4e00\u7cfb\u7edf\u7684\u5e94\u7528\u5c42\u8bfb\u51fa\u3002<\/p>\n

<\/div>
\u8868\u793a\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

\u4f1a\u8bdd\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 5<\/strong> \u5c42\u3002\u4e3b\u8981\u662f\u7ba1\u7406\u548c\u534f\u8c03\u4e0d\u540c\u4e3b\u673a\u4e0a\u5404\u79cd\u8fdb\u7a0b\u4e4b\u95f4\u7684\u901a\u4fe1\uff08\u5bf9\u8bdd\uff09\uff0c\u5373\u8d1f\u8d23\u5efa\u7acb\u3001\u7ba1\u7406\u548c\u7ec8\u6b62\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u7684\u4f1a\u8bdd\u3002<\/p>\n

<\/div>
\u4f1a\u8bdd\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

\u4f20\u8f93\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 4<\/strong> \u5c42\u3002\u4e3a\u4e0a\u5c42\u534f\u8bae\u63d0\u4f9b\u901a\u4fe1\u4e3b\u673a\u95f4\u7684\u53ef\u9760\u548c\u900f\u660e\u7684\u6570\u636e\u4f20\u8f93\u670d\u52a1\uff0c\u5305\u62ec\u5904\u7406\u5dee\u9519\u63a7\u5236\u548c\u6d41\u91cf\u63a7\u5236\u7b49\u95ee\u9898\u3002\u53ea\u5728\u901a\u4fe1\u4e3b\u673a\u4e0a\u5904\u7406\uff0c\u4e0d\u9700\u8981\u5728\u8def\u7531\u5668\u4e0a\u5904\u7406\u3002<\/p>\n

<\/div>
\u4f20\u8f93\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

\u7f51\u7edc\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 3<\/strong> \u5c42\u3002\u5728\u7f51\u7edc\u4e0a\u5c06\u6570\u636e\u4f20\u8f93\u5230\u76ee\u7684\u5730\u5740\uff0c\u4e3b\u8981\u8d1f\u8d23\u5bfb\u5740\u548c\u8def\u7531\u9009\u62e9\u3002<\/p>\n

<\/div>
\u7f51\u7edc\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

\u6570\u636e\u94fe\u8def\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 2 \u5c42\u3002\u8d1f\u8d23\u7269\u7406\u5c42\u9762\u4e0a\u4e24\u4e2a\u4e92\u8fde\u4e3b\u673a\u95f4\u7684\u901a\u4fe1\u4f20\u8f93\uff0c\u5c06\u7531 0 \u3001 1 \u7ec4\u6210\u7684\u6bd4\u7279\u6d41\u5212\u5206\u6210\u6570\u636e\u5e27\u4f20\u8f93\u7ed9\u5bf9\u7aef\uff0c\u5373\u6570\u636e\u5e27\u7684\u751f\u6210\u4e0e\u63a5\u6536\u3002\u901a\u4fe1\u4f20\u8f93\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7\u7269\u7406\u7684\u4f20\u8f93\u4ecb\u8d28\u5b9e\u73b0\u7684\u3002\u6570\u636e\u94fe\u8def\u5c42\u7684\u4f5c\u7528\u5c31\u662f\u5728\u8fd9\u4e9b\u901a\u8fc7\u4f20\u8f93\u4ecb\u8d28\u4e92\u8fde\u7684\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u5904\u7406\u3002<\/p>\n

\u7f51\u7edc\u5c42\u4e0e\u6570\u636e\u94fe\u8def\u5c42\u90fd\u662f\u57fa\u4e8e\u76ee\u6807\u5730\u5740\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u63a5\u6536\u7aef\u7684\uff0c\u4f46\u662f\u7f51\u7edc\u5c42\u8d1f\u8d23\u5c06\u6574\u4e2a\u6570\u636e\u53d1\u9001\u7ed9\u6700\u7ec8\u76ee\u6807\u5730\u5740\uff0c \u800c\u6570\u636e\u94fe\u8def\u5c42\u5219\u53ea\u8d1f\u8d23\u53d1\u9001\u4e00\u4e2a\u5206\u6bb5\u5185\u7684\u6570\u636e\u3002<\/p>\n

<\/div>
\u6570\u636e\u94fe\u8def\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

\u7269\u7406\u5c42<\/span><\/h4>\n

OSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c 1<\/strong> \u5c42\uff08\u6700\u5e95\u5c42\uff09\u3002\u8d1f\u8d23\u903b\u8f91\u4fe1\u53f7\uff08\u6bd4\u7279\u6d41\uff09\u4e0e\u7269\u7406\u4fe1\u53f7\uff08\u7535\u4fe1\u53f7\u3001\u5149\u4fe1\u53f7\uff09\u4e4b\u95f4\u7684\u4e92\u76f8\u8f6c\u6362\uff0c\u901a\u8fc7\u4f20\u8f93\u4ecb\u8d28\u4e3a\u6570\u636e\u94fe\u8def\u5c42\u63d0\u4f9b\u7269\u7406\u8fde\u63a5\u3002<\/p>\n

<\/div>
\u7269\u7406\u5c42\u793a\u4f8b\u56fe<\/figcaption><\/figure>\n

TCP\/IP \u53c2\u8003\u6a21\u578b<\/span><\/h3>\n

\u7531\u4e8e OSI \u53c2\u8003\u6a21\u578b\u628a\u670d\u52a1\u5212\u5f97\u8fc7\u4e8e\u7410\u788e\uff0c\u5148\u5b9a\u4e49\u53c2\u8003\u6a21\u578b\u518d\u5b9a\u4e49\u534f\u8bae\uff0c\u6709\u70b9\u7406\u60f3\u5316\u3002TCP\/IP \u6a21\u578b\u5219\u6b63\u597d\u76f8\u53cd\uff0c\u901a\u8fc7\u5df2\u6709\u7684\u534f\u8bae\u5f52\u7eb3\u603b\u7ed3\u51fa\u6765\u7684\u6a21\u578b\uff0c\u6210\u4e3a\u4e1a\u754c\u7684\u5b9e\u9645\u7f51\u7edc\u534f\u8bae\u6807\u51c6\u3002<\/p>\n

TCP\/IP \u662f\u6709\u7531 IETF \u5efa\u8bae\u3001\u63a8\u8fdb\u5176\u6807\u51c6\u5316\u7684\u4e00\u79cd\u534f\u8bae\uff0c\u662f IP \u3001 TCP \u3001 HTTP \u7b49\u534f\u8bae\u7684\u96c6\u5408\u3002TCP\/IP \u662f\u4e3a\u4f7f\u7528\u4e92\u8054\u7f51\u800c\u5f00\u53d1\u5236\u5b9a\u7684\u534f\u8bae\u65cf\uff0c\u6240\u4ee5\u4e92\u8054\u7f51\u7684\u534f\u8bae\u5c31\u662f TCP\/IP \u3002<\/p>\n

\u5148\u4ecb\u7ecd\u4e0b TCP\/IP \u4e0e OSI \u5206\u5c42\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u4ee5\u53ca TCP\/IP \u6bcf\u5c42\u7684\u4e3b\u8981\u534f\u8bae\u3002<\/p>\n

<\/div><\/figure>\n

\u7f51\u7edc\u63a5\u5165\u5c42<\/span><\/h4>\n

TCP\/IP \u662f\u4ee5 OSI \u53c2\u8003\u6a21\u578b\u7684\u7269\u7406\u5c42\u548c\u6570\u636e\u94fe\u8def\u5c42\u7684\u529f\u80fd\u662f\u900f\u660e\u7684\u4e3a\u524d\u63d0\u5236\u5b9a\u7684\uff0c\u5e76\u672a\u5bf9\u8fd9\u4e24\u5c42\u8fdb\u884c\u5b9a\u4e49\uff0c\u6240\u4ee5\u53ef\u4ee5\u628a\u7269\u7406\u5c42\u548c\u6570\u636e\u94fe\u8def\u5c42\u5408\u5e76\u79f0\u4e3a\u7f51\u7edc\u63a5\u5165\u5c42<\/strong>\u3002\u7f51\u7edc\u63a5\u5165\u5c42\u662f\u5bf9\u7f51\u7edc\u4ecb\u8d28\u7684\u7ba1\u7406\uff0c\u5b9a\u4e49\u5982\u4f55\u4f7f\u7528\u7f51\u7edc\u6765\u4f20\u9001\u6570\u636e\u3002\u4f46\u662f\u5728\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u8fd9\u4e24\u5c42\u8d77\u5230\u7684\u4f5c\u7528\u4e0d\u4e00\u6837\uff0c\u6240\u4ee5\u4e5f\u6709\u628a\u7269\u7406\u5c42\u548c\u6570\u636e\u94fe\u8def\u5c42\u5206\u522b\u79f0\u4e3a\u786c\u4ef6<\/strong>\u3001\u7f51\u7edc\u63a5\u53e3\u5c42<\/strong>\u3002TCP\/IP \u5206\u4e3a\u56db\u5c42\u6216\u8005\u4e94\u5c42\u90fd\u53ef\u4ee5\uff0c\u53ea\u8981\u80fd\u7406\u89e3\u5176\u4e2d\u7684\u539f\u7406\u5373\u53ef\u3002<\/p>\n

\u8bbe\u5907\u4e4b\u95f4\u901a\u8fc7\u7269\u7406\u7684\u4f20\u8f93\u4ecb\u8d28\u4e92\u8fde\uff0c \u800c\u4e92\u8fde\u7684\u8bbe\u5907\u4e4b\u95f4\u4f7f\u7528 MAC \u5730\u5740<\/strong>\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002\u91c7\u7528 MAC \u5730\u5740\uff0c\u76ee\u7684\u662f\u4e3a\u4e86\u8bc6\u522b\u8fde\u63a5\u5230\u540c\u4e00\u4e2a\u4f20\u8f93\u4ecb\u8d28\u4e0a\u7684\u8bbe\u5907\u3002<\/p>\n

\u7f51\u7edc\u5c42<\/span><\/h4>\n

\u76f8\u5f53\u4e8e OSI \u6a21\u578b\u4e2d\u7684\u7b2c 3 \u5c42\u7f51\u7edc\u5c42\uff0c\u4f7f\u7528 IP \u534f\u8bae<\/strong>\u3002IP \u534f\u8bae\u57fa\u4e8e IP \u5730\u5740<\/strong>\u8f6c\u53d1\u5206\u5305\u6570\u636e\uff0c\u4f5c\u7528\u662f\u5c06\u6570\u636e\u5305\u4ece\u6e90\u5730\u5740\u53d1\u9001\u5230\u76ee\u7684\u5730\u5740\u3002<\/p>\n

TCP\/IP \u5206\u5c42\u4e2d\u7684\u7f51\u7edc\u5c42\u4e0e\u4f20\u8f93\u5c42\u7684\u529f\u80fd\u901a\u5e38\u7531\u64cd\u4f5c\u7cfb\u7edf<\/strong>\u63d0\u4f9b\u3002\u00a0\u8def\u7531\u5668\u5c31\u662f\u901a\u8fc7\u7f51\u7edc\u5c42\u5b9e\u73b0\u8f6c\u53d1\u6570\u636e\u5305<\/strong>\u7684\u529f\u80fd\u3002<\/p>\n

<\/div>
\u7f51\u7edc\u5c42<\/figcaption><\/figure>\n

\u7f51\u7edc\u4f20\u8f93\u4e2d\uff0c\u6bcf\u4e2a\u8282\u70b9\u4f1a\u6839\u636e\u6570\u636e\u7684\u5730\u5740\u4fe1\u606f\uff0c\u6765\u5224\u65ad\u8be5\u62a5\u6587\u5e94\u8be5\u7531\u54ea\u4e2a\u7f51\u5361\u53d1\u9001\u51fa\u53bb\u3002\u5404\u4e2a\u5730\u5740\u4f1a\u53c2\u8003\u4e00\u4e2a\u53d1\u51fa\u63a5\u53e3\u5217\u8868\uff0c MAC \u5bfb\u5740\u4e2d\u6240\u53c2\u8003\u7684\u8fd9\u5f20\u8868\u53eb\u505a MAC \u5730\u5740\u8f6c\u53d1\u8868<\/strong>\uff0c\u800c IP \u5bfb\u5740\u4e2d\u6240\u53c2\u8003\u7684\u53eb\u505a\u8def\u7531\u63a7\u5236\u8868<\/strong>\u3002MAC \u5730\u5740\u8f6c\u53d1\u8868\u6839\u636e\u81ea\u5b66\u81ea\u52a8\u751f\u6210\u3002\u8def\u7531\u63a7\u5236\u8868\u5219\u6839\u636e\u8def\u7531\u534f\u8bae\u81ea\u52a8\u751f\u6210\u3002MAC \u5730\u5740\u8f6c\u53d1\u8868\u4e2d\u6240\u8bb0\u5f55\u7684\u662f\u5b9e\u9645\u7684 MAC \u5730\u5740\u672c\u8eab\uff0c\u800c\u8def\u7531\u8868\u4e2d\u8bb0\u5f55\u7684 IP \u5730\u5740\u5219\u662f\u96c6\u4e2d\u4e86\u4e4b\u540e\u7684\u7f51\u7edc\u53f7\uff08\u5373\u7f51\u7edc\u53f7\u4e0e\u5b50\u7f51\u63a9\u7801\uff09\u3002<\/p>\n

    \n
  • \n

    IP<\/strong><\/p>\n

    IP \u662f\u8de8\u8d8a\u7f51\u7edc\u4f20\u9001\u6570\u636e\u5305\uff0c\u4f7f\u7528 IP \u5730\u5740\u4f5c\u4e3a\u4e3b\u673a\u7684\u6807\u8bc6\uff0c\u4f7f\u6574\u4e2a\u4e92\u8054\u7f51\u90fd\u80fd\u6536\u5230\u6570\u636e\u7684\u534f\u8bae\u3002IP \u534f\u8bae\u72ec\u7acb\u4e8e\u5e95\u5c42\u4ecb\u8d28\uff0c\u5b9e\u73b0\u4ece\u6e90\u5230\u76ee\u7684\u7684\u6570\u636e\u8f6c\u53d1\u3002IP \u534f\u8bae\u4e0d\u5177\u6709\u91cd\u53d1\u673a\u5236\uff0c\u5c5e\u4e8e\u975e\u53ef\u9760\u6027\u4f20\u8f93\u534f\u8bae\u3002<\/p>\n<\/li>\n

  • \n

    ICMP<\/strong><\/p>\n

    \u7528\u4e8e\u5728 IP \u4e3b\u673a\u3001\u8def\u7531\u5668\u4e4b\u95f4\u4f20\u9012\u63a7\u5236\u6d88\u606f\uff0c\u7528\u6765\u8bca\u65ad\u7f51\u7edc\u7684\u5065\u5eb7\u72b6\u51b5\u3002<\/p>\n<\/li>\n

  • \n

    ARP<\/strong><\/p>\n

    \u4ece\u6570\u636e\u5305\u7684 IP \u5730\u5740\u4e2d\u89e3\u6790\u51fa MAC \u5730\u5740\u7684\u4e00\u79cd\u534f\u8bae\u3002<\/p>\n<\/li>\n<\/ul>\n

    \u4f20\u8f93\u5c42<\/span><\/h4>\n

    \u76f8\u5f53\u4e8e OSI \u6a21\u578b\u4e2d\u7684\u7b2c 4 \u5c42\u4f20\u8f93\u5c42\uff0c\u4e3b\u8981\u529f\u80fd\u5c31\u662f\u8ba9\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u4e92\u76f8\u901a\u4fe1\uff0c\u901a\u8fc7\u7aef\u53e3\u53f7<\/strong>\u8bc6\u522b\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u7528\u7684\u534f\u8bae\u6709\u9762\u5411\u8fde\u63a5\u7684 TCP<\/strong> \u534f\u8bae\u548c\u9762\u5411\u65e0\u8fde\u63a5\u7684 UDP<\/strong> \u534f\u8bae\u3002<\/p>\n

    \u9762\u5411\u8fde\u63a5<\/strong>\u662f\u5728\u53d1\u9001\u6570\u636e\u4e4b\u524d\uff0c \u5728\u6536\u53d1\u4e3b\u673a\u4e4b\u95f4\u8fde\u63a5\u4e00\u6761\u903b\u8f91\u901a\u4fe1\u94fe\u8def\u3002\u597d\u6bd4\u5e73\u5e38\u6253\u7535\u8bdd\uff0c\u8f93\u5165\u5b8c\u5bf9\u65b9\u7535\u8bdd\u53f7\u7801\u62e8\u51fa\u4e4b\u540e\uff0c\u53ea\u6709\u5bf9\u65b9\u63a5\u901a\u7535\u8bdd\u624d\u80fd\u771f\u6b63\u901a\u8bdd\uff0c\u901a\u8bdd\u7ed3\u675f\u540e\u5c06\u7535\u8bdd\u673a\u6263\u4e0a\u5c31\u5982\u540c\u5207\u65ad\u7535\u6e90\u3002<\/p>\n

    \u9762\u5411\u65e0\u8fde\u63a5<\/strong>\u4e0d\u8981\u6c42\u5efa\u7acb\u548c\u65ad\u5f00\u8fde\u63a5\u3002\u53d1\u9001\u7aef\u53ef\u4e8e\u4efb\u4f55\u65f6\u5019\u81ea\u7531\u53d1\u9001\u6570\u636e\u3002\u5982\u540c\u53bb\u5bc4\u4fe1\uff0c\u4e0d\u9700\u8981\u786e\u8ba4\u6536\u4ef6\u4eba\u4fe1\u606f\u662f\u5426\u771f\u5b9e\u5b58\u5728\uff0c\u4e5f\u4e0d\u9700\u8981\u786e\u8ba4\u6536\u4ef6\u4eba\u662f\u5426\u80fd\u6536\u5230\u4fe1\u4ef6\uff0c\u53ea\u8981\u6709\u4e2a\u5bc4\u4ef6\u5730\u5740\u5c31\u53ef\u4ee5\u5bc4\u4fe1\u4e86\u3002<\/p>\n

    <\/div>
    \u4f20\u8f93\u5c42<\/figcaption><\/figure>\n
      \n
    • \n

      TCP<\/strong><\/p>\n

      TCP \u662f\u4e00\u79cd\u9762\u5411\u6709\u8fde\u63a5\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u80fd\u591f\u5bf9\u81ea\u5df1\u63d0\u4f9b\u7684\u8fde\u63a5\u5b9e\u65bd\u63a7\u5236\u3002\u9002\u7528\u4e8e\u8981\u6c42\u53ef\u9760\u4f20\u8f93<\/strong>\u7684\u5e94\u7528\uff0c\u4f8b\u5982\u6587\u4ef6\u4f20\u8f93\u3002<\/p>\n<\/li>\n

    • \n

      UDP<\/strong><\/p>\n

      UDP \u662f\u4e00\u79cd\u9762\u5411\u65e0\u8fde\u63a5\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u4e0d\u4f1a\u5bf9\u81ea\u5df1\u63d0\u4f9b\u7684\u8fde\u63a5\u5b9e\u65bd\u63a7\u5236\u3002\u9002\u7528\u4e8e\u5b9e\u65f6<\/strong>\u5e94\u7528\uff0c\u4f8b\u5982\uff1aIP\u7535\u8bdd\u3001\u89c6\u9891\u4f1a\u8bae\u3001\u76f4\u64ad\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n

      \u5e94\u7528\u5c42<\/span><\/h4>\n

      \u76f8\u5f53\u4e8e OSI \u6a21\u578b\u4e2d\u7684\u7b2c 5 – 7 \u5c42\u7684\u96c6\u5408\uff0c\u4e0d\u4ec5\u8981\u5b9e\u73b0 OSI \u6a21\u578b\u5e94\u7528\u5c42\u7684\u529f\u80fd\uff0c\u8fd8\u8981\u5b9e\u73b0\u4f1a\u8bdd\u5c42\u548c\u8868\u793a\u5c42\u7684\u529f\u80fd\u3002HTTP \u3001 POP3 \u3001 TELNET \u3001 SSH \u3001 FTP \u3001 SNMP\u90fd\u662f\u5e94\u7528\u5c42\u534f\u8bae\u3002<\/p>\n

      TCP\/IP \u5e94\u7528\u7684\u67b6\u6784\u7edd\u5927\u591a\u6570\u5c5e\u4e8e\u5ba2\u6237\u7aef\/\u670d\u52a1\u7aef<\/strong>\u6a21\u578b\u3002\u63d0\u4f9b\u670d\u52a1\u7684\u7a0b\u5e8f\u53eb\u670d\u52a1\u7aef\uff0c \u63a5\u53d7\u670d\u52a1\u7684\u7a0b\u5e8f\u53eb\u5ba2\u6237\u7aef\u3002\u5ba2\u6237\u7aef\u53ef\u4ee5\u968f\u65f6\u53d1\u9001\u8bf7\u6c42\u7ed9\u670d\u52a1\u7aef\u3002<\/p>\n

      <\/div>
      \u5e94\u7528\u5c42<\/figcaption><\/figure>\n
        \n
      • \n

        HTTP<\/strong><\/p>\n

        \u662f WWW \u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5e94\u7528\u5c42\u901a\u4fe1\u534f\u8bae\uff0c\u6240\u4f20\u8f93\u6570\u636e\u7684\u4e3b\u8981\u683c\u5f0f\u662f HTML \u3002HTTP \u5b9a\u4e49\u9ad8\u7ea7\u547d\u4ee4\u6216\u8005\u65b9\u6cd5\u4f9b\u6d4f\u89c8\u5668\u7528\u6765\u4e0eWeb\u670d\u52a1\u5668\u901a\u4fe1\u3002<\/p>\n<\/li>\n

      • \n

        POP3<\/strong><\/p>\n

        \u7b80\u5355\u90ae\u4ef6\u4f20\u8f93\u534f\u8bae\uff0c\u90ae\u4ef6\u5ba2\u6237\u7aef\u548c\u90ae\u4ef6\u670d\u52a1\u5668\u4f7f\u7528\u3002<\/p>\n<\/li>\n

      • \n

        TELNET \u548c SSH<\/strong><\/p>\n

        \u8fdc\u7a0b\u7ec8\u7aef\u534f\u8bae\uff0c\u7528\u4e8e\u8fdc\u7a0b\u7ba1\u7406\u7f51\u7edc\u8bbe\u5907\u3002TELNET \u662f\u660e\u6587\u4f20\u8f93\uff0c SSH \u662f\u52a0\u5bc6\u4f20\u8f93\u3002<\/p>\n<\/li>\n

      • \n

        SNMP<\/strong><\/p>\n

        \u7b80\u5355\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff0c\u7528\u4e8e\u7f51\u7ba1\u8f6f\u4ef6\u8fdb\u884c\u7f51\u7edc\u8bbe\u5907\u7684\u76d1\u63a7\u548c\u7ba1\u7406\u3002<\/p>\n<\/li>\n<\/ul>\n

        \u5c01\u88c5\u4e0e\u89e3\u5c01\u88c5<\/span><\/h4>\n

        \u901a\u5e38\uff0c\u4e3a\u534f\u8bae\u63d0\u4f9b\u7684\u4fe1\u606f\u4e3a\u5305\u5934\u90e8<\/strong>\uff0c\u6240\u8981\u53d1\u9001\u7684\u5185\u5bb9\u4e3a\u6570\u636e<\/strong>\u3002\u6bcf\u4e2a\u5206\u5c42\u4e2d\uff0c\u90fd\u4f1a\u5bf9\u6240\u53d1\u9001\u7684\u6570\u636e\u9644\u52a0\u4e00\u4e2a\u5934\u90e8\uff0c\u5728\u8fd9\u4e2a\u5934\u90e8\u4e2d\u5305\u542b\u4e86\u8be5\u5c42\u5fc5\u8981\u7684\u4fe1\u606f\uff0c \u5982\u53d1\u9001\u7684\u76ee\u6807\u5730\u5740\u4ee5\u53ca\u534f\u8bae\u76f8\u5173\u4fe1\u606f\u3002\u5728\u4e0b\u4e00\u5c42\u7684\u89d2\u5ea6\u770b\uff0c\u4ece\u4e0a\u4e00\u5206\u5c42\u6536\u5230\u7684\u5305\u5168\u90e8\u90fd\u88ab\u8ba4\u4e3a\u662f\u672c\u5c42\u7684\u6570\u636e\u3002<\/p>\n

        \u6570\u636e\u53d1\u9001\u524d\uff0c\u6309\u7167\u53c2\u8003\u6a21\u578b\u4ece\u4e0a\u5230\u4e0b\uff0c\u5728\u6570\u636e\u7ecf\u8fc7\u6bcf\u4e00\u5c42\u65f6\uff0c\u6dfb\u52a0\u534f\u8bae\u62a5\u6587\u5934\u90e8\u4fe1\u606f\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u53eb\u5c01\u88c5<\/strong>\u3002<\/p>\n

        <\/div>
        \u5c01\u88c5<\/figcaption><\/figure>\n

        \u6570\u636e\u63a5\u6536\u540e\uff0c\u6309\u7167\u53c2\u8003\u6a21\u578b\u4ece\u4e0b\u5230\u4e0a\uff0c\u5728\u6570\u636e\u7ecf\u8fc7\u6bcf\u4e00\u5c42\u65f6\uff0c\u53bb\u6389\u534f\u8bae\u5934\u90e8\u4fe1\u606f\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u53eb\u89e3\u5c01\u88c5<\/strong>\u3002<\/p>\n

        <\/div>
        \u89e3\u5c01\u88c5<\/figcaption><\/figure>\n

        \u7ecf\u8fc7\u4f20\u8f93\u5c42\u534f\u8bae\u5c01\u88c5\u540e\u7684\u6570\u636e\u79f0\u4e3a\u6bb5<\/strong>\uff0c\u7ecf\u8fc7\u7f51\u7edc\u5c42\u534f\u8bae\u5c01\u88c5\u540e\u7684\u6570\u636e\u79f0\u4e3a\u5305<\/strong>\uff0c\u7ecf\u8fc7\u6570\u636e\u94fe\u8def\u5c42\u534f\u8bae\u5c01\u88c5\u540e\u7684\u6570\u636e\u79f0\u4e3a\u5e27<\/strong>\uff0c\u7269\u7406\u5c42\u4f20\u8f93\u7684\u6570\u636e\u4e3a\u6bd4\u7279<\/strong>\u3002<\/p>\n

        TCP\/IP \u901a\u4fe1\u4e2d\u4f7f\u7528 MAC \u5730\u5740\u3001 IP \u5730\u5740\u3001\u7aef\u53e3\u53f7\u7b49\u4fe1\u606f\u4f5c\u4e3a\u5730\u5740\u6807\u8bc6<\/strong>\u3002\u751a\u81f3\u5728\u5e94\u7528\u5c42\u4e2d\uff0c\u53ef\u4ee5\u5c06\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u4f5c\u4e3a\u7f51\u7edc\u901a\u4fe1\u7684\u5730\u5740\u3002<\/p>\n

        \u5b9e\u9645\u6570\u636e\u4f20\u8f93\u4e3e\u4f8b<\/span><\/h4>\n

        \u5b9e\u9645\u751f\u6d3b\u4e2d\uff0c\u4e92\u8054\u7f51\u662f\u4f7f\u7528\u7684 TCP\/IP \u534f\u8bae\u8fdb\u884c\u7f51\u7edc\u8fde\u63a5\u7684\u3002\u6211\u4eec\u4ee5\u8bbf\u95ee\u7f51\u7ad9<\/strong>\u4e3a\u4f8b\uff0c\u770b\u770b\u7f51\u7edc\u662f\u5982\u4f55\u8fdb\u884c\u901a\u4fe1\u7684\u3002<\/p>\n

        <\/div>
        \u6570\u636e\u4f20\u8f93\u4e3e\u4f8b<\/figcaption><\/figure>\n
        \u53d1\u9001\u6570\u636e\u5305<\/span><\/h5>\n

        \u8bbf\u95ee HTTP \u7f51\u7ad9\u9875\u9762\u65f6\uff0c\u6253\u5f00\u6d4f\u89c8\u5668\uff0c\u8f93\u5165\u7f51\u5740\uff0c\u6572\u4e0b\u56de\u8f66\u952e\u5c31\u5f00\u59cb\u8fdb\u884c TCP\/IP \u901a\u4fe1\u4e86\u3002<\/p>\n

        \u5e94\u7528\u7a0b\u5e8f\u5904\u7406<\/strong><\/p>\n

        <\/div>
        \u5e94\u7528\u5c42<\/figcaption><\/figure>\n

        \u9996\u5148\uff0c\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f1a\u8fdb\u884c HTML \u683c\u5f0f\u7f16\u7801<\/strong>\u5904\u7406\uff0c\u76f8\u5f53\u4e8e OSI \u7684\u8868\u793a\u5c42\u529f\u80fd\u3002\u7f16\u7801\u8f6c\u5316\u540e\uff0c\u4e0d\u4e00\u5b9a\u4f1a\u9a6c\u4e0a\u53d1\u9001\u51fa\u53bb\uff0c\u76f8\u5f53\u4e8e\u4f1a\u8bdd\u5c42\u7684\u529f\u80fd\u3002\u5728\u8bf7\u6c42\u53d1\u9001\u7684\u90a3\u4e00\u523b\uff0c\u5efa\u7acb TCP \u8fde\u63a5\uff0c\u7136\u540e\u5728 TCP \u8fde\u63a5\u4e0a\u53d1\u9001\u6570\u636e\u3002\u63a5\u4e0b\u6765\u5c31\u662f\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u4e0b\u4e00\u5c42\u7684 TCP \u8fdb\u884c\u5904\u7406\u3002<\/p>\n

        TCP \u6a21\u5757\u5904\u7406<\/strong><\/p>\n

        <\/div>
        \u4f20\u8f93\u5c42<\/figcaption><\/figure>\n

        TCP \u4f1a\u5c06\u5e94\u7528\u5c42\u53d1\u6765\u7684\u6570\u636e\u987a\u5229\u7684\u53d1\u9001\u81f3\u76ee\u7684\u5730\u3002\u5b9e\u73b0\u53ef\u9760\u4f20\u8f93\u7684\u529f\u80fd\uff0c\u9700\u8981\u7ed9\u6570\u636e\u5c01\u88c5 TCP \u5934\u90e8\u4fe1\u606f\u3002TCP \u5934\u90e8\u4fe1\u606f\u5305\u62ec\u6e90\u7aef\u53e3\u53f7\u548c\u76ee\u7684\u7aef\u53e3\u53f7\uff08\u8bc6\u522b\u4e3b\u673a\u4e0a\u5e94\u7528\uff09\u3001\u5e8f\u53f7\uff08\u786e\u8ba4\u54ea\u90e8\u5206\u662f\u6570\u636e\uff09\u4ee5\u53ca\u6821\u9a8c\u548c\uff08\u5224\u65ad\u6570\u636e\u662f\u5426\u88ab\u635f\u574f\uff09\u3002\u968f\u540e\u5c01\u88c5<\/strong>\u4e86 TCP \u5934\u90e8\u4fe1\u606f\u7684\u6bb5\u518d\u53d1\u9001\u7ed9 IP \u3002<\/p>\n

        IP \u00a0\u6a21\u5757\u5904\u7406<\/strong><\/p>\n

        <\/div>
        \u7f51\u7edc\u5c42<\/figcaption><\/figure>\n

        IP \u5c06 TCP \u4f20\u8fc7\u6765\u7684\u6570\u636e\u6bb5\u5f53\u505a\u81ea\u5df1\u7684\u6570\u636e\uff0c\u5e76\u5c01\u88c5 IP \u5934\u90e8\u4fe1\u606f\u3002IP \u5934\u90e8\u4fe1\u606f\u4e2d\u5305\u542b\u76ee\u7684 IP \u5730\u5740\u548c\u6e90 IP \u5730\u5740\uff0c\u4ee5\u53ca\u4e0a\u5c42\u534f\u8bae\u7c7b\u578b\u4fe1\u606f\u3002<\/p>\n

        IP \u5305\u751f\u6210\u540e\uff0c\u6839\u636e\u4e3b\u673a\u8def\u7531\u8868<\/strong>\u8fdb\u884c\u6570\u636e\u53d1\u9001\u3002<\/p>\n

        \u7f51\u7edc\u63a5\u53e3\u5904\u7406<\/strong><\/p>\n

        <\/div>
        \u7269\u7406\u5c42<\/figcaption><\/figure>\n

        \u7f51\u7edc\u63a5\u53e3\u5bf9\u4f20\u8fc7\u6765\u7684 IP \u5305\u5c01\u88c5\u4e0a\u4ee5\u592a\u7f51\u5934\u90e8\u4fe1\u606f\u5e76\u8fdb\u884c\u53d1\u9001\u5904\u7406\u3002\u4ee5\u592a\u7f51\u5934\u90e8\u4fe1\u606f\u5305\u542b\u76ee\u7684 MAC \u5730\u5740\u3001\u6e90 MAC \u5730\u5740\uff0c\u4ee5\u53ca\u4e0a\u5c42\u534f\u8bae\u7c7b\u578b\u4fe1\u606f\u3002\u7136\u540e\u5c06\u4ee5\u592a\u7f51\u6570\u636e\u5e27<\/strong>\u901a\u8fc7\u7269\u7406\u5c42\u4f20\u8f93\u7ed9\u63a5\u6536\u7aef\u3002\u53d1\u9001\u5904\u7406\u4e2d\u7684 FCS \u7531\u786c\u4ef6\u8ba1\u7b97\uff0c \u6dfb\u52a0\u5230\u5305\u7684\u6700\u540e\u3002\u8bbe\u7f6e FCS \u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5224\u65ad\u6570\u636e\u5305\u662f\u5426\u7531\u4e8e\u566a\u58f0\u800c\u88ab\u7834\u574f\u3002<\/p>\n

        \u63a5\u6536\u6570\u636e\u5305<\/span><\/h5>\n

        \u5305\u7684\u63a5\u6536\u6d41\u7a0b\u662f\u53d1\u9001\u6d41\u7a0b\u7684\u53cd\u5411<\/strong>\u8fc7\u7a0b\u3002<\/p>\n

        \u7f51\u7edc\u63a5\u53e3\u5904\u7406<\/strong><\/p>\n

        \u6536\u5230\u4ee5\u592a\u7f51\u5305\u540e\uff0c\u9996\u5148\u67e5\u770b\u5934\u90e8\u4fe1\u606f\u7684\u76ee\u7684 MAC \u5730\u5740\u662f\u5426\u662f\u53d1\u7ed9\u81ea\u5df1\u7684\u5305\u3002\u5982\u679c\u4e0d\u662f\u53d1\u9001\u7ed9\u81ea\u5df1\u7684\u5305\u5c31\u4e22\u5f03\u3002\u5982\u679c\u662f\u53d1\u9001\u7ed9\u81ea\u5df1\u7684\u5305\uff0c\u67e5\u770b\u4e0a\u5c42\u534f\u8bae\u7c7b\u578b\u662f IP \u5305\uff0c\u4ee5\u592a\u7f51\u5e27\u89e3\u5c01\u88c5<\/strong>\u6210 IP \u5305\uff0c\u4f20\u7ed9 IP \u6a21\u5757\u8fdb\u884c\u5904\u7406\u3002\u5982\u679c\u662f\u65e0\u6cd5\u8bc6\u522b\u7684\u534f\u8bae\u7c7b\u578b\uff0c\u5219\u4e22\u5f03\u6570\u636e\u3002<\/p>\n

        <\/div>
        \u7f51\u53e3\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        IP \u00a0\u6a21\u5757\u5904\u7406<\/strong><\/p>\n

        \u6536\u5230 IP \u5305\u540e\uff0c\u8fdb\u884c\u7c7b\u4f3c\u5904\u7406\u3002\u6839\u636e\u5934\u90e8\u4fe1\u606f\u7684\u76ee\u7684 IP \u5730\u5740\u5224\u65ad\u662f\u5426\u662f\u53d1\u9001\u7ed9\u81ea\u5df1\u5305\uff0c\u5982\u679c\u662f\u53d1\u9001\u7ed9\u81ea\u5df1\u7684\u5305\uff0c\u5219\u67e5\u770b\u4e0a\u4e00\u5c42\u7684\u534f\u8bae\u7c7b\u578b\u3002\u4e0a\u4e00\u5c42\u534f\u8bae\u662f TCP \uff0c\u5c31\u628a IP \u5305\u89e3\u5c01\u88c5\u53d1\u9001\u7ed9 TCP \u534f\u8bae\u5904\u7406\u3002<\/p>\n

        <\/div>
        IP\u6a21\u5757\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        \u5047\u5982\u6709\u8def\u7531\u5668\uff0c\u4e14\u63a5\u6536\u7aef\u4e0d\u662f\u81ea\u5df1\u7684\u5730\u5740\uff0c\u90a3\u4e48\u6839\u636e\u8def\u7531\u63a7\u5236\u8868\u8f6c\u53d1\u6570\u636e\u3002<\/p>\n

        <\/div>
        \u8def\u7531\u5668\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        TCP \u6a21\u5757\u5904\u7406<\/strong><\/p>\n

        \u6536\u5230 TCP \u6bb5\u540e\uff0c\u9996\u5148\u67e5\u770b\u6821\u9a8c\u548c\uff0c\u5224\u65ad\u6570\u636e\u662f\u5426\u88ab\u7834\u574f\u3002\u7136\u540e\u68c0\u67e5\u662f\u5426\u6309\u7167\u5e8f\u53f7\u63a5\u6536\u6570\u636e\u3002\u6700\u540e\u68c0\u67e5\u7aef\u53e3\u53f7\uff0c\u786e\u5b9a\u5177\u4f53\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

        <\/div>
        TCP\u6a21\u5757\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        \u6570\u636e\u63a5\u6536\u5b8c\u6bd5\u540e\uff0c\u53d1\u9001\u4e00\u4e2a \u201c \u786e\u8ba4\u56de\u6267<\/strong> \u201d \u7ed9\u53d1\u9001\u7aef\u3002\u5982\u679c\u8fd9\u4e2a\u56de\u6267\u4fe1\u606f\u672a\u80fd\u8fbe\u5230\u53d1\u9001\u7aef\uff0c\u90a3\u4e48\u53d1\u9001\u7aef\u4f1a\u8ba4\u4e3a\u63a5\u6536\u7aef\u6ca1\u6709\u63a5\u6536\u5230\u6570\u636e\u800c\u4e00\u76f4\u53cd\u590d\u53d1\u9001\u3002<\/p>\n

        \u6570\u636e\u88ab\u5b8c\u6574\u63a5\u6536\u540e\uff0c\u4f1a\u628a TCP \u6bb5\u89e3\u5c01\u88c5\u53d1\u9001\u7ed9\u7531\u7aef\u53e3\u53f7\u8bc6\u522b\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

        \u5e94\u7528\u7a0b\u5e8f\u5904\u7406<\/strong><\/p>\n

        \u5e94\u7528\u7a0b\u5e8f\u6536\u5230\u6570\u636e\u540e\uff0c\u901a\u8fc7\u89e3\u6790\u6570\u636e\u5185\u5bb9\u83b7\u77e5\u53d1\u9001\u7aef\u8bf7\u6c42\u7684\u7f51\u9875\u5185\u5bb9\uff0c\u7136\u540e\u6309\u7167 HTTP \u534f\u8bae\u8fdb\u884c\u540e\u7eed\u6570\u636e\u4ea4\u4e92\u3002<\/p>\n

        \u7f51\u7edc\u6784\u6210<\/span><\/h3>\n
        <\/div>
        \u7f51\u7edc\u6784\u6210\u8981\u7d20<\/figcaption><\/figure>\n

        \u642d\u5efa\u4e00\u5957\u7f51\u7edc\u6d89\u53ca\u5404\u79cd\u7ebf\u7f06\u548c\u7f51\u7edc\u8bbe\u5907\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u89c1\u7684\u786c\u4ef6\u8bbe\u5907<\/strong>\u3002\u786c\u4ef6\u8bbe\u5907\u6240\u8bf4\u7684\u5c42\u6570\u662f\u53c2\u7167\u7684 OSI \u53c2\u8003\u6a21\u578b\uff0c\u800c\u4e0d\u662f TCP\/IP \u6a21\u578b\u3002<\/p>\n

        <\/div>
        \u4e3b\u8981\u8bbe\u5907\u53ca\u4f5c\u7528\u8868<\/figcaption><\/figure>\n

        \u901a\u4fe1\u4ecb\u8d28\u4e0e\u6570\u636e\u94fe\u8def<\/span><\/h4>\n

        \u8bbe\u5907\u4e4b\u95f4\u901a\u8fc7\u7ebf\u7f06\u8fdb\u884c\u8fde\u63a5\u3002\u6709\u7ebf\u7ebf\u7f06\u6709\u53cc\u7ede\u7ebf\u3001\u5149\u7ea4\u3001\u4e32\u53e3\u7ebf\u7b49\u3002\u6839\u636e\u6570\u636e\u94fe\u8def\u4e0d\u540c\u9009\u62e9\u5bf9\u5e94\u7684\u7ebf\u7f06\u3002\u4f20\u8f93\u4ecb\u8d28\u8fd8\u53ef\u4ee5\u88ab\u5206\u4e3a\u7535\u6ce2\u3001\u5fae\u6ce2\u7b49\u4e0d\u540c\u7c7b\u578b\u7684\u7535\u78c1\u6ce2\u3002<\/p>\n

        \u4f20\u8f93\u901f\u7387<\/strong>\uff1a\u5355\u4f4d\u4e3a bps<\/code> \uff0c\u662f\u6307\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u6570\u636e\u91cf\u6709\u591a\u5c11\u3002\u53c8\u79f0\u4f5c\u5e26\u5bbd\uff0c\u5e26\u5bbd\u8d8a\u5927\u7f51\u7edc\u4f20\u8f93\u80fd\u529b\u5c31\u8d8a\u5f3a\u3002<\/p>\n

        \u541e\u5410\u91cf<\/strong>\uff1a\u5355\u4f4d\u4e3a bps<\/code> \uff0c\u4e3b\u673a\u4e4b\u95f4\u5b9e\u9645\u7684\u4f20\u8f93\u901f\u7387\u3002\u541e\u5410\u91cf\u8fd9\u4e2a\u8bcd\u4e0d\u4ec5\u8861\u91cf\u5e26\u5bbd\uff0c \u540c\u65f6\u4e5f\u8861\u91cf\u4e3b\u673a\u7684 CPU \u5904\u7406\u80fd\u529b\u3001 \u7f51\u7edc\u7684\u62e5\u5835\u7a0b\u5ea6\u3001 \u62a5\u6587\u4e2d\u6570\u636e\u5b57\u6bb5\u7684\u5360\u6709\u4efd\u989d\u7b49\u4fe1\u606f\u3002<\/p>\n

        \u7f51\u5361<\/span><\/h4>\n

        \u4efb\u4e00\u4e3b\u673a\u8fde\u63a5\u7f51\u7edc\u65f6\uff0c\u5fc5\u987b\u8981\u4f7f\u7528\u7f51\u5361\u3002\u53ef\u4ee5\u662f\u6709\u7ebf\u7f51\u5361\uff0c\u7528\u6765\u8fde\u63a5\u6709\u7ebf\u7f51\u7edc\uff0c\u4e5f\u53ef\u4ee5\u662f\u65e0\u7ebf\u7f51\u5361\u8fde\u63a5 WiFi \u7f51\u7edc\u3002\u6bcf\u5757\u7f51\u5361\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684 MAC \u5730\u5740<\/strong>\uff0c\u4e5f\u53eb\u505a\u786c\u4ef6\u5730\u5740\u6216\u7269\u7406\u5730\u5740\u3002<\/p>\n

        <\/div>
        \u7f51\u5361<\/figcaption><\/figure>\n

        \u4e8c\u5c42\u4ea4\u6362\u673a<\/span><\/h4>\n
        <\/div>
        \u4e8c\u5c42\u4ea4\u6362\u673a<\/figcaption><\/figure>\n

        \u4e8c\u5c42\u4ea4\u6362\u673a\u4f4d\u4e8e OSI \u6a21\u578b\u7684\u7b2c 2 \u5c42\uff08\u6570\u636e\u94fe\u8def\u5c42\uff09\u3002\u5b83\u80fd\u591f\u8bc6\u522b\u6570\u636e\u94fe\u8def\u5c42\u4e2d\u7684\u6570\u636e\u5e27\uff0c\u5e76\u5c06\u5e27\u8f6c\u53d1\u7ed9\u76f8\u8fde\u7684\u53e6\u4e00\u4e2a\u6570\u636e\u94fe\u8def\u3002<\/p>\n

        \u6570\u636e\u5e27\u4e2d\u6709\u4e00\u4e2a\u6570\u636e\u4f4d\u53eb\u505a FCS<\/strong> \uff0c\u7528\u4ee5\u6821\u9a8c\u6570\u636e\u662f\u5426\u6b63\u786e\u9001\u8fbe\u76ee\u7684\u5730\u3002\u4e8c\u5c42\u4ea4\u6362\u673a\u901a\u8fc7\u68c0\u67e5\u8fd9\u4e2a\u503c\uff0c\u5c06\u635f\u574f\u7684\u6570\u636e\u4e22\u5f03\u3002<\/p>\n

        \u4e8c\u5c42\u4ea4\u6362\u673a\u6839\u636e MAC \u5730\u5740\u81ea\u5b66\u673a\u5236<\/strong>\u5224\u65ad\u662f\u5426\u9700\u8981\u8f6c\u53d1\u6570\u636e\u5e27\u3002<\/p>\n

        \u8def\u7531\u5668 \/ \u4e09\u5c42\u4ea4\u6362\u673a<\/span><\/h4>\n
        <\/div>
        \u8def\u7531\u5668<\/figcaption><\/figure>\n

        \u8def\u7531\u5668\u662f\u5728 OSI \u6a21\u578b\u7684\u7b2c 3 \u5c42\uff08\u7f51\u7edc\u5c42\uff09\u4e0a\u8fde\u63a5\u4e24\u4e2a\u7f51\u7edc\u3001\u5e76\u5bf9\u62a5\u6587\u8fdb\u884c\u8f6c\u53d1\u7684\u8bbe\u5907\u3002\u4e8c\u5c42\u4ea4\u6362\u673a\u662f\u6839\u636e MAC \u5730\u5740\u8fdb\u884c\u5904\u7406\uff0c\u800c\u8def\u7531\u5668 \/ \u4e09\u5c42\u4ea4\u6362\u673a\u5219\u662f\u6839\u636e IP \u5730\u5740<\/strong>\u8fdb\u884c\u5904\u7406\u7684\u3002\u56e0\u6b64 TCP\/IP \u4e2d\u7f51\u7edc\u5c42\u7684\u5730\u5740\u5c31\u6210\u4e3a\u4e86 IP \u5730\u5740\u3002<\/p>\n

        \u8def\u7531\u5668\u53ef\u4ee5\u8fde\u63a5\u4e0d\u540c\u7684\u6570\u636e\u94fe\u8def\u3002\u6bd4\u5982\u8fde\u63a5\u4e24\u4e2a\u4ee5\u592a\u7f51\uff0c\u6216\u8005\u8fde\u63a5\u4e00\u4e2a\u4ee5\u592a\u7f51\u4e0e\u4e00\u4e2a\u65e0\u7ebf\u7f51\u3002\u5bb6\u5ead\u91cc\u9762\u5e38\u89c1\u7684\u65e0\u7ebf\u8def\u7531\u5668\u4e5f\u662f\u8def\u7531\u5668\u7684\u4e00\u79cd\u3002<\/p>\n

        \u56db\u81f3\u4e03\u5c42\u4ea4\u6362\u673a<\/span><\/h4>\n
        <\/div>
        \u8d1f\u8f7d\u5747\u8861\u8bbe\u5907<\/figcaption><\/figure>\n

        \u56db\u81f3\u4e03\u5c42\u4ea4\u6362\u673a\u8d1f\u8d23\u5904\u7406 OSI \u6a21\u578b\u4e2d\u4ece\u4f20\u8f93\u5c42\u81f3\u5e94\u7528\u5c42\u7684\u6570\u636e\u3002\u4ee5 TCP \u7b49\u534f\u8bae\u7684\u4f20\u8f93\u5c42\u53ca\u5176\u4e0a\u9762\u7684\u5e94\u7528\u5c42\u4e3a\u57fa\u7840\uff0c\u5206\u6790\u6536\u53d1\u6570\u636e\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u7279\u5b9a\u7684\u5904\u7406\u3002\u4f8b\u5982\uff0c\u89c6\u9891\u7f51\u7ad9\u7684\u4e00\u53f0\u670d\u52a1\u5668\u4e0d\u80fd\u6ee1\u8db3\u8bbf\u95ee\u9700\u6c42\uff0c\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u8bbe\u5907<\/strong>\u5c06\u8bbf\u95ee\u5206\u53d1\u5230\u540e\u53f0\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\uff0c\u5c31\u662f\u56db\u81f3\u4e03\u5c42\u4ea4\u6362\u673a\u7684\u4e00\u79cd\u3002\u8fd8\u6709\u5e26\u5bbd\u63a7\u5236\u3001\u5e7f\u57df\u7f51\u52a0\u901f\u5668\u3001\u9632\u706b\u5899\u7b49\u5e94\u7528\u573a\u666f\u3002<\/p>\n

        \u603b\u7ed3<\/span><\/h3>\n
        <\/div>
        \u603b\u7ed3<\/figcaption><\/figure>\n

        \u5e94\u7528\u5c42\u8bbe\u5907\u6709\u7535\u8111\u3001\u624b\u673a\u3001\u670d\u52a1\u5668\u7b49\u3002\u5e94\u7528\u5c42\u8bbe\u5907\u4e0d\u8f6c\u53d1\u6570\u636e<\/strong>\uff0c\u5b83\u4eec\u662f\u6570\u636e\u7684\u6e90\u6216\u76ee\u7684<\/strong>\uff0c\u62e5\u6709\u5e94\u7528\u5c42\u4ee5\u4e0b\u7684\u5404\u5c42\u529f\u80fd\u3002\u53d1\u9001\u6570\u636e\u65f6\uff0c\u4ece\u4e0a\u800c\u4e0b\u7684\u987a\u5e8f\uff0c\u9010\u5c42\u5bf9\u6570\u636e\u8fdb\u884c\u5c01\u88c5\uff0c\u518d\u901a\u8fc7\u4ee5\u592a\u7f51\u5c06\u6570\u636e\u53d1\u9001\u51fa\u53bb\u3002\u63a5\u6536\u6570\u636e\u65f6\uff0c\u4ece\u4e0b\u800c\u4e0a\u7684\u987a\u5e8f\uff0c\u9010\u5c42\u5bf9\u6570\u636e\u8fdb\u884c\u89e3\u5c01\u88c5\uff0c\u6700\u7ec8\u6062\u590d\u6210\u539f\u59cb\u6570\u636e\u3002<\/p>\n

        <\/div>
        \u5e94\u7528\u5c42\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        \u6570\u636e\u94fe\u8def\u5c42\u8bbe\u5907\u6709\u4e8c\u5c42\u4ea4\u6362\u673a\u3001\u7f51\u6865\u7b49\u3002\u4e8c\u5c42\u7f51\u7edc\u8bbe\u5907\u53ea\u8f6c\u53d1\u6570\u636e<\/strong>\uff0c\u901a\u8fc7\u8bc6\u522b\u6570\u636e\u7684 MAC \u5730\u5740<\/strong>\u8fdb\u884c\u8f6c\u53d1\u3002\u4e8c\u5c42\u4ea4\u6362\u673a\u63a5\u6536\u6570\u636e\u540e\uff0c\u5bf9\u6570\u636e\u6700\u5916\u5c42\u5c01\u88c5\u7684\u4ee5\u592a\u7f51\u5934\u90e8\u4fe1\u606f\u8fdb\u884c\u67e5\u770b\uff0c\u770b\u5230\u6570\u636e\u7684\u76ee\u7684 MAC \u5730\u5740\u540e\uff0c\u628a\u6570\u636e\u5e27\u4ece\u5bf9\u5e94\u7aef\u53e3\u53d1\u9001\u51fa\u53bb\u3002\u4ea4\u6362\u673a\u5e76\u4e0d\u4f1a\u5bf9\u6570\u636e\u5e27\u8fdb\u884c\u89e3\u5c01\u88c5\uff0c\u53ea\u8981\u77e5\u9053 MAC \u5730\u5740\u4fe1\u606f\u5c31\u53ef\u4ee5\u6b63\u786e\u5730\u5c06\u6570\u636e\u8f6c\u53d1\u51fa\u53bb\u3002<\/p>\n

        <\/div>
        \u6570\u636e\u94fe\u8def\u5c42\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        \u7f51\u7edc\u5c42\u8bbe\u5907\u6709\u8def\u7531\u5668\u3001\u4e09\u5c42\u4ea4\u6362\u673a\u7b49\u3002\u4e09\u5c42\u7f51\u7edc\u8bbe\u5907\u53ea\u8f6c\u53d1\u6570\u636e<\/strong>\uff0c\u901a\u8fc7\u8bc6\u522b\u6570\u636e\u7684 IP \u5730\u5740<\/strong>\u8fdb\u884c\u8f6c\u53d1\u3002\u8def\u7531\u5668\u63a5\u6536\u6570\u636e\u540e\uff0c\u9996\u5148\u67e5\u770b\u6700\u5916\u5c42\u5c01\u88c5\u7684\u4ee5\u592a\u7f51\u5934\u90e8\u4fe1\u606f\uff0c\u5f53\u76ee\u7684 MAC \u5730\u5740\u662f\u81ea\u5df1\u65f6\uff0c\u5c31\u4f1a\u5c06\u4ee5\u592a\u7f51\u5934\u90e8\u89e3\u5c01\u88c5\uff0c\u67e5\u770b\u6570\u636e\u7684 IP \u5730\u5740\u3002\u6839\u636e IP \u8def\u7531\u8868\u505a\u51fa\u8f6c\u53d1\u51b3\u5b9a\u65f6\uff0c\u8def\u7531\u5668\u4f1a\u628a\u4e0b\u4e00\u8df3\u8bbe\u5907\u7684 MAC \u5730\u5740\u4f5c\u4e3a\u4ee5\u592a\u7f51\u5934\u90e8\u7684\u76ee\u7684 MAC \u5730\u5740\uff0c\u91cd\u65b0\u5c01\u88c5\u4ee5\u592a\u7f51\u5934\u90e8\u5e76\u5c06\u6570\u636e\u8f6c\u53d1\u51fa\u53bb\u3002<\/p>\n

        <\/div>
        \u7f51\u7edc\u5c42\u5904\u7406\u6d41\u7a0b<\/figcaption><\/figure>\n

        \u8f6c\u53d1\u6570\u636e\u7684\u7f51\u7edc\u8bbe\u5907\u548c\u5e94\u7528\u5c42\u7684\u6570\u636e\uff0c\u5c31\u50cf\u5feb\u9012\u5458<\/strong>\u548c\u5305\u88f9<\/strong>\u4e00\u6837\u3002\u5feb\u9012\u5458\u6839\u636e\u76ee\u7684\u5730\u5740\u8fd0\u9001\u5305\u88f9\uff0c\u4e0d\u5fc5\u4e86\u89e3\u5305\u88f9\u91cc\u7684\u5177\u4f53\u5185\u5bb9\u3002<\/p>\n

        \u901a\u8fc7\u5206\u5c42\u529f\u80fd\u6765\u533a\u5206\u7f51\u7edc\u8bbe\u5907\u5df2\u7ecf\u4e0d\u518d\u9002\u7528\uff0c\u4ea4\u6362\u673a\u96c6\u6210\u4e09\u5c42\u8def\u7531\u529f\u80fd\u5c31\u662f\u4e09\u5c42\u4ea4\u6362\u673a\uff0c\u65e0\u7ebfAP\u96c6\u6210\u8def\u7531\u5668\u529f\u80fd\u5c31\u662f\u65e0\u7ebf\u8def\u7531\u5668\u3002\u4f46\u662f\u4e3a\u4e86\u65b9\u4fbf\u8bf4\u660e\uff0c\u901a\u5e38\u662f\u4ecb\u7ecd\u5355\u4e2a\u8bbe\u5907\u7684\u529f\u80fd\u548c\u539f\u7406\u3002<\/p>\n

        <\/div>
        \u65e0\u7ebf\u8def\u7531\u5668<\/figcaption><\/figure>\n<\/section>\n

         <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        \u524d\u8a00 \u7f51\u7edc\u534f\u8bae \u6211\u4eec\u7528\u624b\u673a\u8fde\u63a5\u4e0a\u7f51\u7684\u65f6\u5019\uff0c\u4f1a\u7528\u5230\u8bb8\u591a\u7f51\u7edc\u534f\u8bae\u3002\u4ece\u624b\u673a\u8fde\u63a5 WiFi \u5f00\u59cb\uff0c\u4f7f\u7528\u7684\u662f 802.1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,2],"tags":[],"class_list":["post-6785","post","type-post","status-publish","format-standard","hentry","category-cisco","category-network"],"_links":{"self":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/6785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6785"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/6785\/revisions"}],"predecessor-version":[{"id":6808,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/6785\/revisions\/6808"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}