{"id":4574,"date":"2021-12-04T11:01:00","date_gmt":"2021-12-04T19:01:00","guid":{"rendered":"https:\/\/www.xh86.me\/?p=4574"},"modified":"2021-12-04T12:02:18","modified_gmt":"2021-12-04T20:02:18","slug":"25-%e5%bc%a0%e5%9b%be%e8%af%a6%e8%a7%a3%e4%ba%a4%e6%8d%a2%e6%9c%ba%ef%bc%9a%e7%a7%92%e6%87%82%e4%ba%8c%e5%b1%82%e4%ba%a4%e6%8d%a2%e6%9c%ba%e7%9a%84-16-%e4%b8%aa%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=4574","title":{"rendered":"25 \u5f20\u56fe\u8be6\u89e3\u4ea4\u6362\u673a\uff1a\u79d2\u61c2\u4e8c\u5c42\u4ea4\u6362\u673a\u7684 16 \u4e2a\u95ee\u9898"},"content":{"rendered":"
\n

\u5b66\u4e60\u8ba1\u7b97\u673a\u7f51\u7edc\uff0c\u5176\u5b9e\u5c31\u662f\u5b66\u4e60\u7f51\u7edc\u534f\u8bae\u3002\u901a\u8fc7\u5404\u79cd\u5404\u6837\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u5b9e\u73b0\u4e0d\u540c\u7684\u7f51\u7edc\u9700\u6c42\u3002\u5f53\u7136\uff0c\u7f51\u7edc\u534f\u8bae\u4e0d\u662f\u51ed\u7a7a\u5b58\u5728\u7684\uff0c\u800c\u662f\u8fd0\u884c\u5728\u7f51\u7edc\u8bbe\u5907\u4e0a\u3002\u641e\u61c2\u7f51\u7edc\u534f\u8bae\uff0c\u53ea\u662f\u77e5\u9053\u4e86\u6280\u672f\u539f\u7406\u3002\u641e\u61c2\u7f51\u7edc\u8bbe\u5907\uff0c\u624d\u80fd\u628a\u6240\u5b66\u7684\u7f51\u7edc\u77e5\u8bc6\u7528\u8d77\u6765\uff0c\u5b9e\u9645\u89e3\u51b3\u6211\u4eec\u7684\u7f51\u7edc\u9700\u6c42\u3002\u4e0b\u9762\u6211\u4eec\u6765\u770b\u770b\u6700\u5e38\u89c1\u7684\u7f51\u7edc\u8bbe\u5907\u2014\u2014\u4ea4\u6362\u673a<\/strong>\u3002<\/p>\n

1\u3001\u4ec0\u4e48\u662f\u4e2d\u7ee7\u5668\uff1f<\/h4>\n

\u4e2d\u7ee7\u5668<\/strong>\uff08 repeater \uff09\u662f\u4e00\u79cd\u4fe1\u53f7\u589e\u5f3a\u8bbe\u5907\uff0c\u8fd0\u884c\u5728 OSI \u53c2\u8003\u6a21\u578b\u7684\u7b2c\u4e00\u5c42<\/em>\u3002\u5b83\u7684\u529f\u80fd\u4ec5\u4ec5\u662f\u5c06\u4fe1\u53f7\u91cd\u65b0\u8f93\u51fa\uff0c\u5ef6\u8fdf\u7f51\u7edc\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4e0d\u8fdb\u884c\u5176\u5b83\u7684\u6570\u636e\u63a7\u5236\uff0c\u4e5f\u65e0\u6cd5\u8bc6\u522b\u6570\u636e\u94fe\u8def\u5c42\u7684 MAC \u5730\u5740\u548c\u7f51\u7edc\u5c42\u7684 IP \u5730\u5740\u3002<\/p>\n

<\/div><\/span><\/p>\n

\n

2\u3001\u4ec0\u4e48\u662f\u7f51\u6865\uff1f<\/h4>\n

\u7f51\u6865<\/strong>\uff08 bridge \uff09\u662f\u5177\u6709\u4e24\u4e2a\u7aef\u53e3\u7684\u4e8c\u5c42<\/em>\u7f51\u7edc\u8bbe\u5907\uff0c\u53ef\u9694\u79bb\u51b2\u7a81\u57df\u3002\u4f5c\u7528\u76f8\u5f53\u4e8e OSI \u6a21\u578b\u4e2d\u7684\u6570\u636e\u94fe\u8def\u5c42\uff0c\u80fd\u591f\u6839\u636e MAC \u5730\u5740\u8fdb\u884c\u6570\u636e\u8f6c\u53d1\u3002\u53ea\u80fd\u8fde\u63a5\u540c\u6784\u7f51\u7edc(\u540c\u4e00\u7f51\u6bb5)\uff0c\u4e0d\u80fd\u8fde\u63a5\u5f02\u6784\u7f51\u7edc\uff08\u4e0d\u540c\u7f51\u6bb5\uff09\u3002<\/p>\n

<\/div><\/span><\/p>\n

\n

3\u3001\u4ec0\u4e48\u662f\u96c6\u7ebf\u5668\uff1f<\/h4>\n

\u96c6\u7ebf\u5668<\/strong>\uff08 hub \uff09\u662f\u5de5\u4f5c\u5728\u7269\u7406\u5c42<\/em>\u3001\u5177\u6709\u4fe1\u53f7\u653e\u5927\u529f\u80fd\u3001\u4ee5\u5b83\u4e3a\u4e2d\u5fc3\u7684\u7f51\u7edc\u8bbe\u5907\u3002\u5373\u4e00\u4e2a\u591a\u7aef\u53e3\u7684\u4e2d\u7ee7\u5668\uff0c\u4ee5\u96c6\u7ebf\u5668\u4e3a\u4e2d\u5fc3\uff0c\u8fde\u63a5\u591a\u4e2a\u8282\u70b9\u3002\u5e7f\u64ad\u65b9\u5f0f\u53d1\u9001\u6570\u636e\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u5b83\u8981\u53d1\u9001\u6570\u636e\u65f6\uff0c\u4f1a\u53d1\u9001\u5230\u4e0e\u96c6\u7ebf\u5668\u76f8\u8fde\u7684\u6240\u6709\u8282\u70b9\u3002<\/p>\n

<\/div><\/span><\/p>\n

\u7531\u4e8e\u96c6\u7ebf\u5668\u6ca1\u6709\u63a7\u5236\u529f\u80fd\uff0c\u56e0\u6b64\u6240\u6709\u7ec8\u7aef\u5171\u4eab\u5e26\u5bbd\uff0c\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u4e00\u4e2a\u7ec8\u7aef\u53d1\u9001\u6570\u636e\uff0c\u591a\u4e2a\u7ec8\u7aef\u540c\u65f6\u53d1\u9001\u6570\u636e\u5c31\u4f1a\u4ea7\u751f\u51b2\u7a81\u3002\u8fd9\u65f6\uff0c\u96c6\u7ebf\u5668\u3001\u8fde\u63a5\u7ebf\u7f06\u4ee5\u53ca\u8fde\u63a5\u5728\u96c6\u7ebf\u5668\u4e0a\u7684\u7ec8\u7aef\u8bbe\u5907\u6784\u6210\u4e86\u4e00\u4e2a\u51b2\u7a81\u57df\u3002\u4e8e\u662f\u91c7\u7528 CSMA\/CD \u65b9\u5f0f\u51b3\u5b9a\u7ec8\u7aef\u80fd\u5426\u53d1\u9001\u6570\u636e\u3002<\/p>\n

\n

4\u3001\u4ec0\u4e48\u662f\u4ea4\u6362\u673a\uff1f<\/h4>\n

\u96c6\u7ebf\u5668<\/strong>\u662f\u4ece\u63a5\u6536\u65b9\u6536\u5230\u7684\u6570\u636e\uff0c\u4f1a\u8f6c\u53d1\u7ed9\u6240\u6709\u975e\u53d1\u9001\u65b9\u7aef\u53e3\uff0c\u4e5f\u5c31\u662f\u7b80\u5355\u7684\u901a\u8fc7\u590d\u5236\u7535\u6c14\u4fe1\u53f7\u6765\u5b9e\u73b0\u53d1\u9001\u3002<\/p>\n

\u4f46\u662f\u4ea4\u6362\u673a<\/strong>\u662f\u901a\u8fc7\u5b66\u4e60\u8fde\u63a5\u7684\u6bcf\u4e2a\u7ec8\u7aef\u7684 MAC \u5730\u5740\uff0c\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u5bf9\u5e94\u7684\u76ee\u7684\u7ec8\u7aef\u4e0a\uff0c\u907f\u514d\u5c06\u6570\u636e\u53d1\u9001\u5230\u65e0\u5173\u7aef\u53e3\uff0c\u63d0\u4f9b\u7f51\u7edc\u5229\u7528\u7387\u3002\u8fd9\u91cc\u8bf4\u7684\u4ea4\u6362\u673a\u90fd\u662f\u4e8c\u5c42<\/em>\u4ea4\u6362\u673a\u3002<\/p>\n

<\/div><\/span><\/p>\n

\u5982\u679c\u662f\u6ca1\u6709\u5b66\u4e60\u5230\u7684 MAC \u5730\u5740\uff0c\u6216\u8005\u60f3\u8ddf\u7f51\u6bb5\u5185\u6240\u6709\u7ec8\u7aef\u8fdb\u884c\u901a\u4fe1\uff0c\u4ea4\u6362\u673a\u4f1a\u4f7f\u7528\u5e7f\u64ad\u65b9\u5f0f\uff0c\u5c06\u6570\u636e\u5e27\u8fdb\u884c\u6cdb\u6d2a\u3002<\/p>\n

\n

5\u3001\u4ea4\u6362\u673a\u5982\u4f55\u5b66\u4e60 MAC \u5730\u5740\uff1f<\/h4>\n

\u4ea4\u6362\u673a\u901a\u8fc7\u6570\u636e\u5e27\u7684\u6e90 MAC \u5730\u5740\uff0c\u5b66\u4e60\u5230\u4ea4\u6362\u673a\u7aef\u53e3\u548c MAC \u5730\u5740\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u5e76\u8bb0\u5f55\u5230\u4ea4\u6362\u673a\u7684 MAC \u5730\u5740\u8868\u4e2d\u3002<\/p>\n

\u4e3b\u673a A \u5411\u4e3b\u673a D \u53d1\u9001\u6570\u636e\uff1aA \u53d1\u9001\u6570\u636e\u5e27\uff0c\u6570\u636e\u5e27\u7684\u6e90 MAC \u5730\u5740\u662f 11:11:11:11:11:11 \uff0c\u76ee\u7684 MAC \u5730\u5740\u662f 44:44:44:44:44:44 \u3002\u4ea4\u6362\u673a\u7aef\u53e3 1 \u6536\u5230\u6570\u636e\u5e27\uff0c\u8bb0\u5f55\u6e90 MAC \u5730\u5740\u548c\u7aef\u53e3\u7684\u5bf9\u5e94\u5230 MAC \u5730\u5740\u8868\u9879\u3002\u4ea4\u6362\u673a\u4e0d\u77e5\u9053\u76ee\u7684 MAC \u5730\u5740\u5728\u54ea\u4e2a\u7aef\u53e3\uff0c\u4e8e\u662f\u5c06\u6570\u636e\u5e27\u8fdb\u884c\u6cdb\u6d2a\uff0c\u5373\u8f6c\u53d1\u5230\u9664\u7aef\u53e3 1 \u4e4b\u5916\u7684\u6240\u6709\u7aef\u53e3\u3002B \u548c C \u53d1\u73b0\u76ee\u7684 MAC \u5730\u5740\u4e0d\u662f\u81ea\u5df1\uff0c\u5c06\u4e22\u5f03\u6570\u636e\u5e27\u3002<\/p>\n

<\/div><\/span><\/p>\n

D \u53d1\u73b0\u662f\u53d1\u9001\u7ed9\u81ea\u5df1\u7684\u6570\u636e\u5e27\uff0c\u4e8e\u662f\u53d1\u9001\u5e94\u7b54\u6570\u636e\u5e27\uff0c\u6e90 MAC \u5730\u5740\u662f 44:44:44:44:44:44 \uff0c\u76ee\u7684 MAC \u5730\u5740\u662f 11:11:11:11:11:11 \u3002\u4ea4\u6362\u673a\u7aef\u53e3 4 \u6536\u5230\u6570\u636e\u5e27\uff0c\u8bb0\u5f55 D \u7684 MAC \u5730\u5740\u8868\u9879\u3002\u4e8e\u662f\u4ea4\u6362\u673a\u77e5\u9053\u4e86\u4e3b\u673a A \u548c\u4e3b\u673a D \u7684 MAC \u5730\u5740\u4fe1\u606f\uff0c\u4e4b\u540e\u4f1a\u6839\u636e MAC \u5730\u5740\u8868\u8fdb\u884c\u8f6c\u53d1\u3002\u4ea4\u6362\u673a\u901a\u8fc7\u540c\u6837\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b66\u4e60\u5230\u4e3b\u673a B \u548c\u4e3b\u673a C \u7684 MAC \u5730\u5740\u3002<\/p>\n

<\/div><\/span><\/p>\n

\n

6\u3001\u5bf9\u6bd4\u96c6\u7ebf\u5668\uff0c\u4ea4\u6362\u673a\u6709\u54ea\u4e9b\u4f18\u70b9\uff1f<\/h4>\n

<\/div><\/span><\/p>\n

\n

7\u3001\u4ee5\u592a\u7f51\u6570\u636e\u5e27\u6709\u54ea\u4e9b\u7c7b\u578b\uff1f<\/h4>\n

<\/div><\/span><\/p>\n

\n

8\u3001\u4ea4\u6362\u673a\u5982\u4f55\u8f6c\u53d1\u6570\u636e\u5e27\uff1f<\/h4>\n

\u4ea4\u6362\u673a\u6536\u5230\u6570\u636e\u5e27\u540e\uff0c\u4f1a\u6709\u4e09\u79cd\u5904\u7406\u65b9\u6cd5\uff1a\u76f4\u901a\u8f6c\u53d1<\/em>\u3001\u788e\u7247\u9694\u79bb<\/em>\u548c\u5b58\u50a8\u8f6c\u53d1<\/em>\u3002<\/p>\n

    \n
  • \n

    \u76f4\u901a\u8f6c\u53d1<\/strong><\/p>\n<\/li>\n<\/ul>\n

    \u76f4\u901a\u8f6c\u53d1\u662f\u4ea4\u6362\u673a\u53ea\u8bfb\u53d6\u6570\u636e\u5e27\u7684\u524d 14<\/strong> \u4e2a\u5b57\u8282\u5c31\u8fdb\u884c\u8f6c\u53d1\u3002\u7531\u4e8e\u8bfb\u53d6\u7684\u6570\u636e\u91cf\u56fa\u5b9a\uff0c\u53d1\u9001\u65b9\u548c\u63a5\u6536\u65b9\u7684\u901f\u5ea6\u9700\u8981\u4e00\u81f4\uff0c\u5bfc\u81f4\u65e0\u6cd5\u6865\u63a5\u4e0d\u540c\u901f\u7387\u7684\u4ee5\u592a\u7f51\u3002\u53e6\u5916\uff0c\u53ea\u8bfb\u53d6\u524d 14 \u4e2a\u5b57\u8282\uff0c\u4f1a\u8df3\u8fc7\u4e86 FCS \u57df\uff0c\u56e0\u6b64\u65e0\u6cd5\u68c0\u6d4b\u5e76\u4e22\u5f03 CRC \u6821\u9a8c\u9519\u8bef\u7684\u6570\u636e\u5e27\u3002<\/p>\n

    <\/div><\/span><\/p>\n
      \n
    • \n

      \u788e\u7247\u9694\u79bb<\/strong><\/p>\n<\/li>\n<\/ul>\n

      \u788e\u7247\u9694\u79bb\u662f\u8bfb\u53d6\u6570\u636e\u5e27\u7684\u524d 64<\/strong> \u4e2a\u5b57\u8282\u5c31\u8fdb\u884c\u8f6c\u53d1\uff0c\u53ef\u4ee5\u9632\u6b62\u8f6c\u53d1\u5c0f\u4e8e 64 \u5b57\u8282\u7684\u6b8b\u5e27\u3002\u4f46\u662f\u5982\u679c\u51fa\u73b0 CRC \u9519\u8bef\uff0c\u8fd8\u662f\u4f1a\u8f6c\u53d1\u6570\u636e\u5e27\u3002\u4e5f\u65e0\u6cd5\u6865\u63a5\u4e0d\u540c\u901f\u7387\u7684\u4ee5\u592a\u7f51\u3002<\/p>\n

      <\/div><\/span><\/p>\n
        \n
      • \n

        \u5b58\u50a8\u8f6c\u53d1<\/strong><\/p>\n<\/li>\n<\/ul>\n

        \u5b58\u5728\u8f6c\u53d1\u4f1a\u8bfb\u53d6\u6570\u636e\u5e27\u5168\u90e8<\/strong>\u5185\u5bb9\u518d\u8fdb\u884c\u8f6c\u53d1\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u8bc6\u522b\u6b8b\u5e27\u548c CRC \u6821\u9a8c\u9519\u8bef\u5e27\uff0c\u5e76\u5c06\u5b83\u4eec\u4e22\u5f03\u3002\u4ea4\u6362\u673a\u8fd8\u80fd\u5bf9\u6570\u636e\u5e27\u8fdb\u884c\u7f13\u5b58\uff0c\u56e0\u6b64\u53ef\u4ee5\u6865\u63a5\u4e0d\u540c\u901f\u7387\u7684\u4ee5\u592a\u7f51\u3002<\/p>\n

        <\/div><\/span><\/p>\n

        \n

        9\u3001\u5355\u5de5\u548c\u53cc\u5de5\u901a\u4fe1\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h4>\n

        <\/div><\/span><\/p>\n

        \n

        10\u3001\u4ea4\u6362\u673a\u7684\u5904\u7406\u80fd\u529b\u7684\u6307\u6807\u662f\u4ec0\u4e48\uff1f<\/h4>\n

        \u4ea4\u6362\u673a\u7684\u5904\u7406\u80fd\u529b\u4e5f\u53eb\u505a\u80cc\u677f\u5bb9\u91cf\u6216\u4ea4\u6362\u673a\u5bb9\u91cf<\/strong>\u3002\u5bb9\u91cf\u5355\u4f4d\u662f bit\/s\uff08\u6bd4\u7279\u6bcf\u79d2\uff09\uff0c\u503c\u8d8a\u5927\uff0c\u8bf4\u660e\u4ea4\u6362\u673a\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u6570\u636e\u8d8a\u591a\u3002<\/p>\n

        \u5f53\u4ea4\u6362\u673a\u7684\u6240\u6709\u7aef\u53e3\u7684\u603b\u5e26\u5bbd\u5c0f\u4e8e\u4ea4\u6362\u673a\u7684\u5bb9\u91cf\u65f6\uff0c\u4ea4\u6362\u7ed3\u6784\u4e3a\u975e\u963b\u585e\uff0c\u5373\u5e26\u5bbd\u5145\u88d5\uff0c\u6ca1\u6709\u7b49\u5f85\u5904\u7406\u7684\u60c5\u51b5\u3002\u53cd\u4e4b\uff0c\u5f53\u6240\u6709\u7aef\u53e3\u603b\u5e26\u5bbd\u8d85\u8fc7\u4ea4\u6362\u673a\u7684\u5bb9\u91cf\u65f6\uff0c\u53eb\u505a\u4ea4\u6362\u673a\u7ed3\u6784\u8fc7\u8f7d\u3002<\/p>\n

        \u4ea4\u6362\u673a\u662f\u5343\u5146\u7aef\u53e3\u65f6\uff0c\u5904\u7406\u80fd\u529b\u8fbe\u5230\u7aef\u53e3\u6570 \u00d7 2 \u00d7 1Gbit\/s \u7684\u6570\u503c\uff0c\u5c31\u662f\u975e\u963b\u585e\u3002\u5176\u4e2d \u00d7 2 \u8868\u793a\u4e0a\u884c\u548c\u4e0b\u884c\u90fd\u662f 1Gbit\/s \u7684\u5168\u53cc\u5de5\u901a\u4fe1\u3002\u5047\u5982\u4ea4\u6362\u673a\u6709 24 \u4e2a\u7aef\u53e3\uff0c\u80cc\u677f\u5bb9\u91cf\u5230\u8fbe 24 \u00d7 2 \u00d7 1G = 48Gbit\/s \uff0c\u5c31\u662f\u975e\u963b\u585e\u3002<\/p>\n

        \n

        11\u3001\u6839\u636e\u529f\u80fd\u5206\u7c7b\uff0c\u4ea4\u6362\u673a\u6709\u51e0\u79cd\u7c7b\u578b\uff1f<\/h4>\n

        \u4ea4\u6362\u673a\u6309\u7167\u529f\u80fd\u53ef\u4ee5\u5206\u4e3a\u4e8c\u5c42\u4ea4\u6362\u673a<\/em>\u548c\u4e09\u5c42\u4ea4\u6362\u673a<\/em>\u3002<\/p>\n

          \n
        • \n

          \u4e8c\u5c42\u4ea4\u6362\u673a<\/strong><\/p>\n<\/li>\n<\/ul>\n

          \u6ca1\u6709 IP \u8def\u7531\u529f\u80fd\u3001\u4ec5\u5904\u7406\u6570\u636e\u94fe\u8def\u5c42\u7684\u4ea4\u6362\u673a\u53eb\u505a\u4e8c\u5c42\u4ea4\u6362\u673a\u3002\u4e8c\u5c42\u4ea4\u6362\u673a\u6839\u636e\u4e0d\u540c\u7684\u529f\u80fd\u800c\u4e0d\u540c\u3002<\/p>\n

          <\/div><\/span><\/p>\n
            \n
          • \n

            \u4e09\u5c42\u4ea4\u6362\u673a<\/strong><\/p>\n<\/li>\n<\/ul>\n

            \u5e26\u6709 IP \u8def\u7531\u529f\u80fd\u7684\u4ea4\u6362\u673a\u53eb\u505a\u4e09\u5c42\u4ea4\u6362\u673a\u3002<\/p>\n

            \n

            12\u3001\u6839\u636e\u5916\u5f62\u5206\u7c7b\uff0c\u4ea4\u6362\u673a\u6709\u51e0\u79cd\u7c7b\u578b\uff1f<\/h4>\n

            \u6839\u636e\u5916\u5f62\uff0c\u4ea4\u6362\u673a\u53ef\u5206\u4e3a\u684c\u9762\u5f0f\u4ea4\u6362\u673a<\/em>\u3001\u7bb1\u5f0f\u4ea4\u6362\u673a<\/em>\u548c\u673a\u6846\u5f0f\u4ea4\u6362\u673a<\/em>\u3002<\/p>\n

              \n
            • \n

              \u684c\u9762\u5f0f\u4ea4\u6362\u673a<\/strong><\/p>\n<\/li>\n<\/ul>\n

              \u684c\u9762\u5f0f\u4ea4\u6362\u673a\u662f\u6307\u653e\u5728\u684c\u9762\u4e0a\u4f7f\u7528\u7684\u4ea4\u6362\u673a\u3002\u5b83\u4f53\u79ef\u4e0d\u5927\uff0c\u53ea\u80fd\u8fde\u63a5\u51e0\u53f0\u7f51\u7edc\u8bbe\u5907\uff0c\u901a\u5e38\u7528\u4e8e\u5bb6\u5ead\u7f51\u7edc\u4e2d\uff0c\u4e3b\u8981\u6709 3 \u7aef\u53e3\u30015 \u7aef\u53e3\u30018 \u7aef\u53e3\u548c 16 \u7aef\u53e3\u7684\u4ea7\u54c1\u3002<\/p>\n

              \u684c\u9762\u5f0f\u4ea4\u6362\u673a\u901a\u5e38\u4e0d\u5b89\u88c5\u98ce\u6247\uff0c\u91c7\u7528\u65e0\u98ce\u6247\u8bbe\u8ba1\uff0c\u8fd0\u884c\u566a\u58f0\u5c0f\u3002<\/p>\n

              <\/div><\/span><\/p>\n
                \n
              • \n

                \u7bb1\u5f0f\u4ea4\u6362\u673a<\/strong><\/p>\n<\/li>\n<\/ul>\n

                \u7bb1\u5f0f\u4ea4\u6362\u673a\u901a\u5e38\u9ad8\u5ea6\u662f 1U \u6216 2U \uff0c\u53ef\u4ee5\u5b89\u88c5\u5728 19 \u82f1\u5bf8\u7684\u673a\u67dc\u5185\u3002\u901a\u5e38\u91c7\u7528\u91d1\u5c5e\u5916\u58f3\u3001\u5185\u7f6e\u7535\u6e90\uff0c\u5e76\u914d\u7f6e\u51b7\u5374\u98ce\u6247\u3002\u4e0b\u884c\u6709 24 \u5343\u5146\u7f51\u53e3\u6216 48 \u5343\u5146\u7f51\u53e3\uff0c\u4e0a\u884c\u6709 2 \u4e07\u5146\u5149\u53e3\u6216 4 \u4e07\u5146\u5149\u53e3\u7684\u914d\u7f6e\u8f83\u591a\u3002\u4e0b\u884c\u4f7f\u7528 RJ-45 \u7684\u7f51\u7ebf\u63a5\u53e3\uff0c\u4e0a\u884c\u4f7f\u7528 SFP+ \u69fd\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n

                \u4e3b\u8981\u4f5c\u4e3a\u4f01\u4e1a\u4e2d\u4f5c\u4e3a\u63a5\u5165\u4ea4\u6362\u673a\u4f7f\u7528\uff0c\u652f\u6301\u7535\u6e90\u5197\u4f59\u3002<\/p>\n

                <\/div><\/span><\/p>\n
                  \n
                • \n

                  \u6846\u5f0f\u4ea4\u6362\u673a<\/strong><\/p>\n<\/li>\n<\/ul>\n

                  \u6846\u5f0f\u4ea4\u6362\u673a\u662f\u6307\u5728\u673a\u6846\u5185\u7ec4\u5408\u591a\u4e2a\u63a5\u53e3\u6a21\u5757\u7684\u4ea4\u6362\u673a\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u7aef\u53e3\u6570\u91cf\u548c\u4e0d\u540c\u7c7b\u578b\u7684\u63a5\u53e3\u6a21\u5757\uff0c\u6269\u5c55\u6027\u597d\uff0c\u7aef\u53e3\u6570\u91cf\u591a\u3002<\/p>\n

                  \u5728\u673a\u6846\u4e2d\u53ef\u4ee5\u6dfb\u52a0\u7535\u6e90\u3001\u98ce\u6247\u7b49\u7ec4\u6210\u90e8\u5206\uff0c\u518d\u63d2\u5165\u7ba1\u7406\u6a21\u5757\u548c\u63a5\u53e3\u6a21\u5757\u3002\u63a5\u53e3\u6a21\u5757\u548c\u7ba1\u7406\u6a21\u5757\u53eb\u505a\u7ebf\u5361\u3002\u673a\u6846\u4e0a\u603b\u7ebf\u7684\u4e3b\u677f\u53eb\u505a\u80cc\u677f\uff0c\u53ef\u4ee5\u63d2\u5165\u7ebf\u5361\u3002<\/p>\n

                  <\/div><\/span><\/p>\n

                  \n

                  13\u3001\u6839\u636e\u7528\u9014\u5206\u7c7b\uff0c\u4ea4\u6362\u673a\u6709\u51e0\u79cd\u7c7b\u578b\uff1f<\/h4>\n

                  \u6839\u636e\u4ea4\u6362\u673a\u5728\u7f51\u7edc\u4e2d\u7684\u4f4d\u7f6e\u548c\u7528\u9014\uff0c\u53ef\u5206\u4e3a\u4e09\u7c7b\uff1a\u6838\u5fc3\u4ea4\u6362\u673a<\/strong>\uff08\u6838\u5fc3\u5c42\uff09\u3001\u6c47\u805a\u4ea4\u6362\u673a<\/strong>\uff08\u6c47\u805a\u5c42\uff09\u548c\u63a5\u5165\u4ea4\u6362\u673a<\/strong>\uff08\u63a5\u5165\u5c42\uff09\u3002<\/p>\n

                  <\/div><\/span><\/p>\n

                  <\/div><\/span><\/p>\n

                  \n

                  14\u3001\u4ea4\u6362\u673a\u6709\u51e0\u79cd\u7aef\u53e3\u7c7b\u578b\uff1f<\/h4>\n

                  \u9009\u62e9\u4ea4\u6362\u673a\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u7684\u4f7f\u7528\u9700\u6c42\uff0c\u4ee5\u53ca\u5177\u4f53\u7684\u7aef\u53e3\u7c7b\u578b\u3001\u7aef\u53e3\u6570\u91cf\u548c\u8bbe\u5907\u6027\u80fd\u7b49\u53c2\u6570\uff0c\u51b3\u5b9a\u8d2d\u4e70\u54ea\u6b3e\u4ea4\u6362\u673a\u3002<\/p>\n

                  \u5343\u5146\u4ee5\u592a\u7f51\u7aef\u53e3<\/h5>\n

                  \u5927\u90e8\u5206\u4ea4\u6362\u673a\u90fd\u914d\u7f6e\u4e86 RJ-45 \u7684\u5343\u5146\u4ee5\u592a\u7f51\u63a5\u53e3\uff0c\u8fde\u63a5\u5343\u5146\u63a5\u53e3\u8981\u4f7f\u7528\u589e\u5f3a\u578b 5 \u7c7b\u53cc\u7ede\u7ebf\u3002\u901a\u8fc7\u81ea\u9002\u5e94\u529f\u80fd\uff0c\u8fd8\u53ef\u4ee5\u8fde\u63a5\u767e\u5146\u63a5\u53e3\u3002<\/p>\n

                  \u5149\u7ea4\u7aef\u53e3<\/h5>\n

                  \u7bb1\u5f0f\u4ea4\u6362\u673a\u4f1a\u914d\u7f6e\u5149\u7ea4\u7aef\u53e3\uff0c\u4e3b\u8981\u662f\u7528\u4e8e\u8fde\u63a5\u4e0a\u884c\u94fe\u8def\u3002\u4e3a\u4e86\u8fde\u63a5\u4e07\u5146\u4ee5\u592a\u7f51\u7684\u4e0a\u884c\u94fe\u8def\uff0c\u901a\u5e38\u4f1a\u642d\u8f7d SFP+ \u63a5\u53e3\u3002<\/p>\n

                  \u6846\u5f0f\u4ea4\u6362\u673a\u4e2d\uff0c\u4e00\u822c\u4f1a\u914d\u7f6e\u591a\u4e2a\u5343\u5146\u4ee5\u592a\u7f51 SFP \u6216\u4e07\u5146\u4ee5\u592a\u7f51 SFP+ \u63a5\u53e3\u7684\u63a5\u53e3\u5361\u3002<\/p>\n

                  PoE \u7aef\u53e3<\/h5>\n

                  \u63a5\u5165\u4ea4\u6362\u673a\u8fd8\u4f1a\u914d PoE \u7aef\u53e3\u3002Poe \u7aef\u53e3\u4f7f\u7528\u7f51\u7ebf\u8fde\u63a5 IP\u7535\u8bdd\u6216\u65e0\u7ebf AP \uff0c\u5e76\u901a\u8fc7\u7f51\u7ebf\u5bf9\u8bbe\u5907\u8fdb\u884c\u4f9b\u7535\u3002<\/p>\n

                  \u4e3a\u4e86\u8ba9 IP \u7535\u8bdd\u6216\u65e0\u7ebf AP \u65e0\u9700\u5916\u63a5\u7535\u6e90\u4e5f\u80fd\u63a5\u5165\u7f51\u7edc\uff0c\u901a\u8fc7\u4e00\u6839\u7f51\u7ebf\u7ed9\u8bbe\u5907\u4f9b\u7535\u7684\u6280\u672f\u5c31\u662f PoE \u6280\u672f\u3002PoE \u6280\u672f\u6709\u7b80\u5316\u5e03\u7ebf\u3001\u8282\u7701\u4eba\u5de5\u6210\u672c\uff0c\u7ba1\u7406\u65b9\u4fbf\uff0c\u4f7f\u7528\u7075\u6d3b\uff0c\u5b89\u5168\u7b49\u4f18\u70b9\uff0c\u5f97\u5230\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n

                  PoE \u6280\u672f\u4f5c\u4e3a IEEE 802.af \u5728 2003 \u5e74\u5b8c\u6210\u4e86\u6807\u51c6\u5316\u5de5\u4f5c\uff0c\u8fd9\u4e2a\u6280\u672f\u8fd8\u7528\u4e8e\u7f51\u7edc\u6444\u50cf\u5934\u3001POS \u7ec8\u7aef\u7b49\u8fde\u63a5\u4ee5\u592a\u7f51\u7684\u786c\u4ef6\u8bbe\u5907\u3002<\/p>\n

                    \n
                  • \n

                    PoE<\/strong>\uff08 IEEE 802.3af \uff09 PoE+<\/strong>\uff08 IEEE 802.3at \uff09PoE++<\/strong>\uff08 IEEE 802.3bt \uff09<\/p>\n<\/li>\n<\/ul>\n

                    PoE \u7684\u4f9b\u7535\u6807\u51c6\u662f IEEE 802.3af \uff0c\u6700\u5927\u80fd\u63d0\u4f9b 15.4W \u7684\u529f\u7387\uff0c\u53ef\u4ee5\u4e3a IP \u7535\u8bdd\u3001\u65e0\u7ebf AP \u7b49\u7ec8\u7aef\u8bbe\u5907\u4f9b\u7535\u3002PoE+ \u662f PoE \u7684\u589e\u5f3a\u7248\uff0c\u4f9b\u7535\u6807\u51c6\u662f IEEE 802.3at \uff0c\u6700\u5927\u80fd\u63d0\u4f9b 30W \u7684\u529f\u7387\uff0c\u53ef\u4ee5\u4e3a\u89c6\u9891\u7535\u8bdd\u3001 \u6444\u50cf\u673a\u7b49\u7ec8\u7aef\u8bbe\u5907\u4f9b\u7535\u3002PoE++ \u662f PoE+ \u7684\u589e\u5f3a\u7248\uff0c\u4f9b\u7535\u6807\u51c6\u662f IEEE 802.3bt \uff0c\u6700\u5927\u80fd\u591f\u63d0\u4f9b 60W \u7684\u529f\u7387\uff0c\u80fd\u591f\u6ee1\u8db3\u66f4\u591a\u7684\u7ec8\u7aef\u529f\u7387\u9700\u6c42\uff0c\u53ef\u4ee5\u4e3a\u57fa\u7ad9\u3001\u5ba4\u5916\u70ed\u611f\u6444\u50cf\u673a\u7b49\u7ec8\u7aef\u8bbe\u5907\u63d0\u4f9b\u66f4\u5927\u529f\u7387\u7684\u4f9b\u7535\u3002<\/p>\n

                    <\/div><\/span><\/p>\n

                    \u652f\u6301 PoE \u529f\u80fd\u7684\u4ea4\u6362\u673a\uff0c\u4f1a\u8bf4\u660e\u6bcf\u4e2a\u7aef\u53e3\u6700\u5927\u652f\u6301 \u00d7\u00d7 W \uff0c\u8bbe\u5907\u6700\u5927\u4f9b\u7535 \u00d7\u00d7 W \u7b49\u7535\u80fd\u4fe1\u606f\uff0c\u53ef\u4ee5\u7b97\u51fa\u4ea4\u6362\u673a\u6700\u591a\u53ef\u63a5\u5165\u7684 PoE \u8bbe\u5907\u6570\u91cf\u3002<\/p>\n

                    <\/div><\/span><\/p>\n
                    \u4e0a\u884c\u94fe\u8def\u7aef\u53e3<\/h5>\n

                    \u63a5\u5165\u4ea4\u6362\u673a\u548c\u6c47\u805a\u4ea4\u6362\u673a\u8981\u96c6\u4e2d\u4e0b\u884c\u8fde\u63a5\u7684\u6240\u6709\u8bbe\u5907\u6d41\u91cf\uff0c\u5e76\u5c06\u6d41\u91cf\u4f20\u8f93\u5230\u4e0a\u884c\u7684\u7f51\u5173\u6216\u6838\u5fc3\u4ea4\u6362\u673a\u4e2d\uff0c\u5411\u7f51\u5173\u3001\u6838\u5fc3\u4ea4\u6362\u673a\u4f20\u8f93\u6d41\u91cf\u7684\u7aef\u53e3\u53eb\u505a\u4e0a\u884c\u94fe\u8def\u7aef\u53e3<\/strong>\uff0c\u53cd\u5411\u5c31\u53eb\u505a\u4e0b\u884c\u94fe\u8def\u7aef\u53e3<\/strong>\u3002\u5728\u7bb1\u5f0f\u4ea4\u6362\u673a\u4e2d\u4e00\u822c\u4f1a\u914d\u7f6e 2~4 \u4e2a\u4e07\u5146\u4e0a\u884c\u94fe\u8def\u7aef\u53e3\u3002<\/p>\n

                    <\/div><\/span><\/p>\n
                    \u4e0b\u884c\u94fe\u8def\u7aef\u53e3<\/h5>\n

                    \u901a\u5e38\u4e0b\u884c\u94fe\u8def\u662f RJ-45 \u7684\u63a5\u53e3\uff0c\u4e5f\u6709\u4f7f\u7528\u5149\u7ea4\u63a5\u53e3\u7684\u3002\u4e00\u53f0\u4ea4\u6362\u673a\u6216\u4e00\u5757\u677f\u5757\uff0c\u80fd\u63d0\u4f9b 24 \u6216 48 \u4e2a\u63a5\u53e3\u3002<\/p>\n

                    <\/div><\/span><\/p>\n
                    \u4ea4\u6362\u673a\u5806\u53e0<\/h5>\n

                    \u901a\u8fc7\u5806\u53e0\u7ebf\u7f06\u53ef\u4ee5\u628a\u591a\u53f0\u4ea4\u6362\u673a\u8fde\u63a5\u8d77\u6765\uff0c\u6210\u4e3a\u903b\u8f91\u4e0a\u7684\u4e00\u53f0\u4ea4\u6362\u673a\u3002<\/p>\n

                    \n

                    15\u3001\u4ea4\u6362\u673a\u6709\u54ea\u4e9b\u529f\u80fd\uff1f<\/h4>\n

                    \u4ea4\u6362\u673a\u7684\u5b8c\u6574\u529f\u80fd\u8bf4\u660e\uff0c\u53ef\u4ee5\u67e5\u770b\u5b98\u7f51\u7684\u4ea7\u54c1\u6587\u6863\uff0c\u91cc\u9762\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u63cf\u8ff0\u3002<\/p>\n

                    MAC \u5730\u5740\u6570<\/h5>\n

                    MAC \u5730\u5740\u6570\u662f\u6307\u4e00\u53f0\u4ea4\u6362\u673a\u6700\u5927\u53ef\u4ee5\u5b66\u4e60\u5230\u7684 MAC \u5730\u5740\u8868\u6570\u91cf\u3002<\/p>\n

                    \u751f\u6210\u6811\u529f\u80fd<\/h5>\n

                    \u4e3a\u4e86\u907f\u514d\u4e8c\u5c42\u73af\u8def\uff0c\u6211\u4eec\u4f7f\u7528\u751f\u6210\u6811\u534f\u8bae\uff08 STP \uff09\uff0c\u8ba9\u4ea4\u6362\u673a\u77e5\u9053\u5bf9\u65b9\u7684\u5b58\u5728\uff0c\u5177\u4f53\u505a\u6cd5\u662f\u5728\u4ea4\u6362\u673a\u4e4b\u95f4\u4ea4\u6362 BPDU \u6570\u636e\u5e27\u3002\u8be6\u60c5\u53ef\u770b\u300a \u300b\u548c\u300a \u300b\u3002<\/p>\n

                    \u94fe\u8def\u805a\u5408<\/h5>\n

                    \u94fe\u8def\u805a\u5408<\/strong>\u662f\u5c06\u4ea4\u6362\u673a\u7684\u591a\u6761\u7ebf\u8def\u6c47\u805a\u6210\u4e00\u6761\u903b\u8f91\u7ebf\u8def\u5728\u7f51\u7edc\u4e2d\u4f7f\u7528\u3002\u6709\u591a\u4e2a\u79f0\u547c\uff1a\u7aef\u53e3\u805a\u5408\u3001\u94fe\u8def\u6346\u7ed1\u3001\u7ed1\u5b9a\u7b49\u3002<\/p>\n

                    \u5982\u679c\u4e0d\u4f7f\u7528\u94fe\u8def\u805a\u5408\u529f\u80fd\uff0c\u76f4\u63a5\u5c06\u4ea4\u6362\u673a\u7684\u591a\u4e2a\u7269\u7406\u7aef\u53e3\u8fde\u63a5\u8d77\u6765\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7f51\u7edc\u73af\u8def\u3002\u5982\u679c\u4f7f\u7528\u751f\u6210\u6811\u534f\u8bae\uff0c\u53c8\u4f1a\u907f\u5f00\u67d0\u4e9b\u94fe\u8def\uff0c\u5bfc\u81f4\u53ea\u6709\u4e00\u6761\u7269\u7406\u94fe\u8def\u53ef\u7528\u3002\u5982\u679c\u4f7f\u7528\u94fe\u8def\u805a\u5408\uff0c\u628a\u51e0\u6761\u7269\u7406\u94fe\u8def\u805a\u5408\u6210\u4e00\u6761\u903b\u8f91\u94fe\u8def\uff0c\u5373\u4f7f\u67d0\u4e00\u6761\u7269\u7406\u94fe\u8def\u65ad\u5f00\uff0c\u7531\u4e8e\u903b\u8f91\u7ebf\u8def\u8fd8\u6709\u5176\u5b83\u7269\u7406\u94fe\u8def\u5728\u7ef4\u6301\uff0c\u56e0\u6b64\u901a\u4fe1\u4e5f\u4e0d\u4f1a\u4e2d\u65ad\uff0c\u5230\u8fbe\u7ebf\u8def\u5197\u4f59\u7684\u6548\u679c\u3002<\/p>\n

                    VLAN<\/h5>\n

                    \u5c06\u5e7f\u64ad\u57df\u5206\u5272\u6210\u4e00\u4e2a\u4e2a\u903b\u8f91\u7f51\u6bb5\u7684\u529f\u80fd\u53eb\u505a VLAN<\/strong> \u3002<\/p>\n

                    \u7aef\u53e3\u955c\u50cf<\/h5>\n

                    \u5c06\u67d0\u4e2a\u7aef\u53e3\u63a5\u6536\u548c\u53d1\u9001\u7684\u6570\u636e\u5e27\u590d\u5236\u5230\u955c\u50cf\u7aef\u53e3\u7684\u529f\u80fd\u53eb\u505a\u7aef\u53e3\u955c\u50cf<\/strong>\uff0c\u88ab\u590d\u5236\u7684\u6e90\u7aef\u53e3\u53eb\u505a\u76d1\u63a7\u7aef\u53e3\u3002<\/p>\n

                    \u4e3a\u4e86\u5206\u6790\u7f51\u7edc\u6545\u969c\u6216\u68c0\u6d4b\u7f51\u7edc\u4e2d\u7684\u6d41\u91cf\uff0c\u4ea4\u6362\u673a\u4f1a\u5c06\u6536\u5230\u7684\u6570\u636e\u5e27\u590d\u5236\u4e00\u4efd\u5e76\u8f6c\u53d1\u5230\u7f51\u7edc\u5206\u6790\u8bbe\u5907\u6216\u6d41\u91cf\u76d1\u63a7\u8bbe\u5907\u4e2d\u3002<\/p>\n

                    QoS \u4f18\u5148\u7ea7\u961f\u5217<\/h5>\n

                    QoS<\/strong> \u662f Quality of Service \u7684\u7f29\u5199\uff0c\u4e5f\u53eb\u505a\u670d\u52a1\u8d28\u91cf\u3002\u5f53\u6570\u636e\u901a\u8fc7\u7f51\u7edc\u8bbe\u5907\u65f6\uff0c\u6839\u636e\u901a\u4fe1\u79cd\u7c7b\u63a7\u5236\u901a\u4fe1\u4f18\u5148\u7ea7\u548c\u5e26\u5bbd\u7684\u529f\u80fd\u3002\u901a\u5e38\u662f\u5c06\u58f0\u97f3\u3001\u89c6\u9891\u7b49\u6570\u636e\u5b9a\u4e49\u4e3a\u9ad8\u4f18\u5148\u7ea7\uff0c\u9ad8\u4f18\u5148\u6570\u636e\u4f18\u5148\u5904\u7406\uff0c\u4fdd\u969c\u8fd9\u7c7b\u6570\u636e\u7684\u7a33\u5b9a\u548c\u4f4e\u5ef6\u8fdf\u3002<\/p>\n

                    \u9664\u4e86\u4ea4\u6362\u673a\u5728\u4e8c\u5c42\u8fdb\u884c\u7684 QoS \u63a7\u5236\u5916\uff0c\u8fd8\u6709\u8def\u7531\u5668\u548c\u4e09\u5c42\u4ea4\u6362\u673a\u7684\u4e09\u5c42\uff08 IP \uff09\u7684 QoS \u63a7\u5236\uff0c\u4ee5\u53ca TCP \u8fdb\u884c\u7684\u56db\u5c42\u7684 QoS \u63a7\u5236\u3002<\/p>\n

                    IEEE 802.1p \u6807\u51c6\u5b8c\u6210\u4e86\u5bf9\u4e8c\u5c42\u7684 QoS \u4f18\u5148\u7ea7\u63a7\u5236\u7684\u6807\u51c6\u5316\u5de5\u4f5c\u3002\u901a\u8fc7 3bit \u957f\u5ea6\u7684\u4f18\u5148\u7ea7\u63a7\u5236\u4fe1\u606f\uff0c\u5b9a\u4e49\u4e86\u4ece 0 \u5230 7 \u7684 8 \u4e2a\u4f18\u5148\u7ea7\uff0c\u5373 CoS \u503c\uff08\u670d\u52a1\u7b49\u7ea7\u503c\uff09\uff0c\u4ea4\u6362\u673a\u4f1a\u4f18\u5148\u8f6c\u53d1\u503c\u5927\u7684\u6570\u636e\u5e27\u3002<\/p>\n

                    MAC \u5730\u5740\u8fc7\u6ee4<\/h5>\n

                    \u4e3a\u4e86\u7f51\u7edc\u5b89\u5168\uff0c\u53ea\u8ba9\u6307\u5b9a\u7684\u8bbe\u5907\u63a5\u5165\u7f51\u7edc\u3002\u4e8c\u5c42\u4ea4\u6362\u673a\u63d0\u4f9b\u4e86\u4ee5\u6570\u636e\u5e27\u7684\u5934\u90e8\u4fe1\u606f\u8fdb\u884c\u8fc7\u6ee4\u7684\u529f\u80fd\u3002\u5177\u4f53\u8fc7\u7a0b\u662f\uff0c\u5148\u8bbe\u7f6e\u4e00\u4e2a\u8fc7\u6ee4\u6761\u4ef6\uff0c\u6bd4\u5982\u76ee\u7684 MAC \u5730\u5740\u3001\u6e90 MAC \u5730\u5740\u7b49\uff0c\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e\u5e27\u901a\u8fc7\uff0c\u963b\u65ad\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684\u6570\u636e\u5e27\u3002<\/p>\n

                    \u8003\u8651\u5230\u4f2a\u9020 MAC \u5730\u5740\u7684\u60c5\u51b5\u53d1\u751f\uff0c\u8fd8\u53ef\u4ee5\u8ddf 802.1X \u4e00\u8d77\u4f7f\u7528\u3002\u4e09\u5c42\u4ea4\u6362\u673a\u6216\u8def\u7531\u5668\u53ef\u4ee5\u6839\u636e IP \u5934\u90e8\u4fe1\u606f\u5b8c\u6210 IP \u901a\u4fe1\u8fc7\u6ee4\u7684\u529f\u80fd\u3002<\/p>\n

                    \u57fa\u4e8e\u7aef\u53e3\u7684\u8ba4\u8bc1<\/h5>\n

                    \u5728\u4ea4\u6362\u673a\u4e2d\uff0c\u53ea\u6709\u901a\u8fc7\u8ba4\u8bc1\u7684\u5ba2\u6237\u7aef\u624d\u80fd\u4f7f\u7528\u6709\u7ebf\u7aef\u53e3\u3002\u8fd9\u4e2a\u529f\u80fd\u7531 IEEE 802.1X<\/strong> \u5b8c\u6210\u6807\u51c6\u5316\uff0c\u5bf9\u63a5\u5165 LAN \u7684\u5ba2\u6237\u7aef\u8fdb\u884c\u8ba4\u8bc1\u7684\u673a\u5236\u3002<\/p>\n

                    \u5f53 PC \u8fde\u63a5\u4ea4\u6362\u673a\u65f6\uff0c\u8ba4\u8bc1\u8fc7\u7a0b\u542f\u52a8\u3002\u6839\u636e\u53d1\u9001\u65b9\u7684 MAC \u5730\u5740\u4fe1\u606f\u8fdb\u884c\u5ba2\u6237\u7aef\u8bc6\u522b\uff0c\u901a\u8fc7\u7528\u6237\u540d\u3001\u53e3\u4ee4\u6216\u8bc1\u4e66\u7b49\u8ba4\u8bc1\u4fe1\u606f\u8fdb\u884c\u7528\u6237\u8ba4\u8bc1\u3002\u5bf9\u4e8e\u6ca1\u6709\u8ba4\u8bc1\u7684\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u5e27\uff0c\u4ea4\u6362\u673a\u53ea\u63a5\u6536\u5305\u542b\u8ba4\u8bc1\u4fe1\u606f\u7684\u6570\u636e\u5e27\uff0c\u5176\u4f59\u7684\u5168\u90e8\u4e22\u5f03\u3002\u5bf9\u4e8e\u8ba4\u8bc1\u5931\u8d25\u7684\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6570\u636e\u5e27\uff0c\u4ea4\u6362\u673a\u5c31\u76f4\u63a5\u4e22\u5f03\u4e0d\u4f1a\u8fdb\u884c\u8f6c\u53d1\u3002<\/p>\n

                    <\/div><\/span><\/p>\n

                    \u8981\u4f7f\u7528\u57fa\u4e8e\u7aef\u53e3\u7684\u8ba4\u8bc1\u529f\u80fd\uff0c\u5ba2\u6237\u7aef\u7684\u7535\u8111\u548c\u4ea4\u6362\u673a\u90fd\u8981\u652f\u6301 802.1X \u8ba4\u8bc1\u529f\u80fd\uff0c\u7f3a\u4e00\u4e0d\u53ef\u3002<\/p>\n

                    802.1X \u8ba4\u8bc1<\/strong>\u4e2d\u4f7f\u7528 PPP \u7684\u6269\u5c55\u534f\u8bae EAP \uff0c\u901a\u8fc7 EAPOL \u534f\u8bae\u5c01\u88c5 EAP \u8ba4\u8bc1\u6d88\u606f\uff0c\u7136\u540e\u5728 LAN \u4e2d\u8fdb\u884c\u4f20\u8f93\u3002\u8ba4\u8bc1\u7ed3\u675f\u4e4b\u524d\uff0c\u5ba2\u6237\u7aef\u7535\u8111\u53ea\u80fd\u8fdb\u884c EAPOL \u901a\u4fe1\u3002<\/p>\n

                    <\/div><\/span><\/p>\n
                    \u7f51\u7edc\u7ba1\u7406<\/h5>\n

                    \u8fdc\u7a0b\u7ba1\u7406\u3001\u76d1\u63a7\u548c\u914d\u7f6e\u7f51\u7edc\u8bbe\u5907\u53ef\u4ee5\u4f7f\u7528 SNMP<\/strong> \u534f\u8bae\u3002SNMP \u534f\u8bae\u53ef\u4ee5\u5bf9\u6574\u4e2a\u7f51\u7edc\u7ed3\u6784\u5185\u7684\u4ea4\u6362\u673a\u548c\u5176\u5b83\u7f51\u7edc\u8bbe\u5907\u8fdb\u884c\u96c6\u4e2d\u7edf\u4e00\u7684\u7ba1\u7406\u3002<\/p>\n

                    \u88ab SNMP \u7ba1\u7406\u7684\u7f51\u7edc\u8bbe\u5907\u53eb\u505a Agent<\/strong> \uff0c\u7ba1\u7406\u7f51\u7edc\u7684\u8bbe\u5907\u53eb\u505a Manager<\/strong> \u3002<\/p>\n

                    \n

                    16\u3001\u4ea4\u6362\u673a\u7684\u67b6\u6784\u662f\u7531\u4ec0\u4e48\u7ec4\u6210\uff1f<\/h4>\n

                    \u4ea4\u6362\u673a\u7684\u57fa\u672c\u67b6\u6784<\/strong>\u662f\u7531 RJ-45 \u63a5\u53e3\u3001PHY \u3001MAC \u7b49\u6a21\u5757\u7684 NIC \u548c\u7ba1\u7406\u7531 NIC \u6536\u53d1\u5e27\u7f13\u5b58\u3001\u8f6c\u53d1\u8868\u7684\u8f6f\u4ef6\u7ec4\u6210\uff0c\u901a\u8fc7\u67e5\u770b\u8f6c\u53d1\u8868\u4fe1\u606f\uff0c\u5728 NIC \u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u5e27\u4ea4\u4e92\u3002<\/p>\n

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

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