{"id":725,"date":"2020-06-23T16:52:32","date_gmt":"2020-06-23T08:52:32","guid":{"rendered":"http:\/\/www.mustenaka.cn\/?p=725"},"modified":"2020-07-10T02:18:20","modified_gmt":"2020-07-09T18:18:20","slug":"networkengineeringdesigntutorialreviewnotes","status":"publish","type":"post","link":"https:\/\/www.mustenaka.cn\/index.php\/2020\/06\/23\/networkengineeringdesigntutorialreviewnotes\/","title":{"rendered":"\u7f51\u7edc\u5de5\u7a0b\u8bbe\u8ba1\u6559\u7a0b\u590d\u4e60\u7b14\u8bb0"},"content":{"rendered":"<h1 style=\"text-align: center;\">\u7f51\u7edc\u5de5\u7a0b\u8bbe\u8ba1\u6559\u7a0b\u590d\u4e60\u7b14\u8bb0<\/h1>\n<p style=\"text-align: center;\"><span style=\"color: #6d6d6d;\">Network Engineering Design tutorial review notes<\/span><\/p>\n<hr \/>\n<blockquote><p>\u8bf4\u660e\uff1a<\/p>\n<p>\u6309\u7167\u9875\u7801\u8fdb\u884c\u8bb0\u5f55\uff0c\u53ef\u80fd\u6709\u6f0f\u4e5f\u53ef\u80fd\u6709\u8fc7\u5ea6\u8bb0\u5f55\uff0c\u6309\u7167\u81ea\u5df1\u60c5\u51b5\u8fdb\u884c\u6478\u7d22\u590d\u4e60\u59ff\u52bf\u5373\u53ef<\/p><\/blockquote>\n<h4><span>P8<\/span><\/h4>\n<p>\u7f51\u7edc\u7cfb\u7edf\u7684\u56db\u5c42\u5c42\u6b21\u6a21\u578b\uff08\u7531\u4e0b\u81f3\u4e0a\uff0c\u4ece\u7cfb\u7edf\u96c6\u6210\u7684\u89c2\u70b9\u770b\uff09<span>:<\/span><span style=\"color: #ce0000;\"><strong>\u73af\u5883\u5e73\u53f0\u5c42\uff0c\u7f51\u7edc\u5e73\u53f0\u5c42\uff0c\u4fe1\u606f\u5e73\u53f0\u5c42\uff0c\u5e94\u7528\u5e73\u53f0\u5c42<\/strong><\/span>\u3002<\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P13<\/span><\/h4>\n<p>\u6587\u6863\u7684\u8d28\u91cf\u8981\u6c42\uff08\u7279\u70b9\uff09<\/p>\n<ol>\n<li><strong><span style=\"color: #ce0000;\">\u9488\u5bf9\u6027<\/span><\/strong>\uff1a\u6587\u6863\u7f16\u5236\u4ee5\u524d\u5e94\u8be5\u5206\u6e05\u695a\u8bfb\u8005\u5bf9\u8c61\uff0c\u6839\u636e\u8bfb\u8005\u7c7b\u578b\uff0c\u5c42\u6b21\uff0c\u51b3\u5b9a\u600e\u6837\u9002\u5e94\u4ed6\u4eec\u7684\u9700\u8981\u3002<\/li>\n<li><strong><span style=\"color: #ce0000;\">\u7cbe\u786e\u6027<\/span><\/strong>\uff1a\u6587\u6863\u7684\u884c\u6587\u5e94\u5f53\u5341\u5206\u786e\u5207\uff0c\u4e0d\u80fd\u51fa\u73b0\u591a\u4e49\u6027\u7684\u8868\u8ff0\u3002\u540c\u4e00\u8bfe\u9898\u4e0b\u7684\u6587\u6863\u5185\u5bb9\u5e94\u5f53\u534f\u8c03\u4e00\u81f4\uff0c\u6ca1\u6709\u77db\u76fe\u3002<\/li>\n<li><span style=\"color: #ce0000;\"><strong>\u6e05\u6670\u6027<\/strong><\/span>\uff1a\u6587\u6863\u7f16\u5199\u5e94\u529b\u6c42\u7b80\u660e\uff0c\u53ef\u80fd\u7684\u8bdd\u5e94\u8be5\u914d\u7f6e\u56fe\u8868\u3002<\/li>\n<li><span style=\"color: #ce0000;\"><strong>\u5b8c\u6574\u6027<\/strong><\/span>\uff1a\u4efb\u4f55\u4e00\u4e2a\u6587\u6863\u90fd\u5e94\u8be5\u662f\u5b8c\u6574\u7684\uff0c\u72ec\u7acb\u7684\uff0c\u5e94\u8be5\u81ea\u6210\u4f53\u7cfb\u3002<\/li>\n<li><span style=\"color: #ce0000;\"><strong>\u7075\u6d3b\u6027<\/strong><\/span>\uff1a\u5bf9\u4e8e\u4e0d\u540c\u7684\u7cfb\u7edf\uff0c\u5176\u89c4\u6a21\u548c\u590d\u6742\u7a0b\u5ea6\u6709\u8bb8\u591a\u5b9e\u9645\u5dee\u522b\uff0c\u9700\u5177\u4f53\u5206\u6790\u5b89\u6392\u7684\u5185\u5bb9\u3002<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P37<\/span><\/h4>\n<p>\u56e0\u7279\u7f51\u7684\u5c42\u6b21\u7ed3\u6784\uff08\u4ece\u4e0b\u5230\u4e0a\uff09\uff1a<span style=\"color: #ce0000;\"><strong>\u7aef\u7cfb\u7edf\/\u4e3b\u673a\uff0c\u6869\/\u4f01\u4e1a\uff0c\u533a\u57df\/\u4e2d\u95f4\u5c42\uff0c\u4e3b\u5e72\/\u56fd\u5bb6\uff0c\u56fd\u9645<\/strong><\/span><\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<blockquote><p><span style=\"color: #ce0000;\"><strong>\u4e3b\u5e72\u7f51\u7edc<\/strong><\/span>\uff1a\u901a\u5e38\u662f\u5927\u5bb9\u91cf\u8f7d\u4f53\uff0c\u7528\u4e8e\u94fe\u63a5\u5176\u4ed6\u7f51\u7edc\u3002\u5355\u72ec\u4e3b\u673a\u901a\u5e38\u4e0d\u76f4\u63a5\u4e0e\u4e3b\u5e72\u7f51\u76f8\u8fde\u3002<\/p>\n<p><span style=\"color: #ce0000;\"><strong>\u533a\u57df\u7f51\u7edc<\/strong><\/span>\uff1a\u4e0e\u4e3b\u5e72\u7f51\u5bc6\u5207\u76f8\u5173\uff0c\u5c3d\u5728\u89c4\u6a21\uff0c\u7ecf\u6bcf\u4e2a\u7aef\u53e3\u94fe\u63a5\u7684\u7f51\u7edc\u6570\u548c\u5730\u7406\u8986\u76d6\u8303\u56f4\u65b9\u9762\u6709\u5dee\u5f02\u3002\u533a\u57df\u7f51\u7edc\u53ef\u4ee5\u6709\u4e3b\u673a\u4e0e\u4e4b\u76f4\u63a5\u76f8\u8fde\uff0c\u5c31\u50cf\u6df7\u5408\u4e3b\u5e72<span>\/<\/span>\u6869<span>(sub)<\/span>\u7f51\u7edc\u4e00\u6837\u8d77\u4f5c\u7528\u3002<\/p>\n<p><span style=\"color: #ce0000;\"><strong>\u6869\/\u4f01\u4e1a<\/strong><\/span>\uff1a\u8fde\u63a5\u4e3b\u673a\u548c<span>LAN<\/span>\u3002<\/p>\n<p><span style=\"color: #ce0000;\"><strong>\u7aef\u7cfb\u7edf<\/strong><\/span>\uff1a\u4e5f\u5c31\u662f\u4e3b\u673a\uff0c\u662f\u4e0a\u8ff0\u4efb\u4f55\u7f51\u7edc\u7684\u7528\u6237\u3002<\/p><\/blockquote>\n<p><em>\u6ce8\uff1a\u533a\u57df\u7f51\u7edc\u548c\u6869\/\u4f01\u4e1a\u7f51\u7edc\u662f\u4e3b\u5e72\u7f51\u7edc\u7684\u7528\u6237\u3002<\/em><\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P46<\/span><\/h4>\n<p>\u4ea4\u6362\u673a\u4f7f\u7528\u7684\u6280\u672f<\/p>\n<blockquote><p>\u7269\u7406\u7ed3\u6784\u5212\u5206\u4e3a\uff1a<strong>\u72ec\u7acb\u5f0f\uff0c\u5806\u53e0\u5f0f\uff0c\u6a21\u5757\u5316<\/strong><\/p>\n<p>\u7aef\u53e3\u8f6c\u53d1\u65b9\u5f0f\u5212\u5206\u4e3a\uff1a<strong>\u76f4\u901a\u6a21\u5f0f\uff0c\u5b58\u50a8\u8f6c\u53d1\u6a21\u5f0f<\/strong><\/p><\/blockquote>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P48<\/span><\/h4>\n<p>\u5b9e\u73b0<span>VLAN<\/span>\u7684\u65b9\u5f0f<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e0b\u8ba1\u4e2d\u6280\u672f\u5c06\u901a\u8fc7\u6865\u63a5\u7684\u7f51\u7edc\u62d3\u6251\u53d8\u6210\u4e00\u7ec4<span>VLAN<\/span>\uff1a<\/p>\n<ol>\n<li><span style=\"color: #ce0000;\"><strong>\u57fa\u4e8e\u7aef\u53e3\u7684VLAN\u6280\u672f<\/strong><\/span>\uff1a\u8be5\u6280\u672f\u5c06\u4e00\u53f0\u6216\u591a\u53f0\u4ea4\u6362\u673a\u4e0a\u7684\u8bfa\u5e72\u7aef\u53e3\u5316\u4e3a\u4e00\u7ec4\u3002\u7f51\u7edc\u8bbe\u5907\u6839\u636e\u6240\u8fde\u63a5\u7684\u7aef\u53e3\u786e\u5b9a\u6210\u5458\u5173\u7cfb\u3002<\/li>\n<li><span style=\"color: #ce0000;\"><strong>\u57fa\u4e8eMAC\u5730\u5740\u7684VLAN\u6280\u672f<\/strong><\/span>\uff1a\u8be5\u6280\u672f\u6839\u636e\u7f51\u7edc\u8bbe\u5907\u7684<span>MAC<\/span>\u5730\u5740\u786e\u5b9a<span>VLAN<\/span>\u7684\u6210\u5458\u5173\u7cfb\u3002\u5b9e\u73b0\u65f6\uff0c\u6839\u636e\u4e0d\u540c<span>VLAN<\/span>\u4e2d\u7684<span>MAC<\/span>\u5730\u5740\u5bf9\u5e94\u7684\u4ea4\u6362\u673a\u7aef\u53e3\uff0c\u5b9e\u73b0<span>VLAN<\/span>\u5e7f\u64ad\u57df\u7684\u5212\u5206\u3002<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P58<\/span><\/h4>\n<p><strong>\u53cc\u7ede\u7ebf\uff0c<\/strong>\u975e\u5c4f\u853d\u53cc\u7ede\u7ebf\u7684\u516d\u79cd\u8d28\u91cf\u7ea7\u522b\uff0c\u94fa\u8bbe\u957f\u5ea6\u4e0d\u8d85\u8fc7<span>100<\/span>\u7c73\u3002<\/p>\n<ol>\n<li><span>1,2<\/span>\u7c7b\uff1a\u7528\u4e8e\u7535\u8bdd\u901a\u8baf\u4e2d\u8bed\u97f3\u548c\u4f4e\u901f\u6570\u636e\u7ebf\u3002<span>4Mbps<\/span><\/li>\n<li><span>3<\/span>\u7c7b\uff1a\u7528\u4e8e\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u7ebf\u3002<span>10Mbps<\/span><\/li>\n<li><span>4<\/span>\u7c7b\uff1a\u7528\u4e8e\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u7684\u6570\u636e\u7ebf\u3002<span>16 Mbps<\/span><\/li>\n<li><strong>5\u7c7b\uff1a\u76ee\u524d\u4f7f\u7528\u6700\u591a\u7684\u4e00\u79cd\u3002100 Mbps<\/strong><\/li>\n<li><span>6<\/span>\u7c7b\uff1a\u5177\u6709<span>200MHz<\/span>\u4ee5\u4e0b\u4f20\u8f93\u7279\u6027\u3002<span>1000 Mbps<\/span><\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P60<\/span><\/h4>\n<p>\u5149\u7ea4\u7684\u89c4\u683c\u548c\u5206\u7c7b<\/p>\n<blockquote><p>\u5149\u7f06\uff08\u5149\u7ea4\uff09\u7684\u5206\u7c7b\u65b9\u6cd5\uff1a<\/p>\n<p style=\"padding-left: 40px;\"><strong>\u5355\u6a21\u5149\u7ea4\uff0c\u591a\u6a21\u5149\u7ea4<\/strong><\/p>\n<\/blockquote>\n<blockquote><p>\u5149\u7f06\uff08\u5149\u7ea4\uff09\u7684\u89c4\u683c\uff1a<\/p>\n<p style=\"padding-left: 40px;\">\u5355\u6a21\uff1a<\/p>\n<p style=\"padding-left: 80px;\">\u82af\u5f84\uff1a<span>8.3<\/span>\u03bc<span>m<\/span>\uff0c\u6d82\u8986\u5c42\u76f4\u5f84<span>125<\/span>\u03bc<span>m<\/span><\/p>\n<p style=\"padding-left: 40px;\">\u591a\u6a21\uff1a<\/p>\n<p style=\"padding-left: 80px;\">\u82af\u5f84\uff1a<span>50<\/span>\u03bc<span>m<\/span>\uff0c\u6d82\u8986\u5c42\u76f4\u5f84<span>125<\/span>\u03bc<span>m<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>\u82af\u5f84\uff1a<span>62.5<\/span>\u03bc<span>m<\/span>\uff0c\u6d82\u8986\u5c42\u76f4\u5f84<span>125<\/span>\u03bc<span>m<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>\u82af\u5f84\uff1a<span>85<\/span>\u03bc<span>m<\/span>\uff0c\u6d82\u8986\u5c42\u76f4\u5f84<span>125<\/span>\u03bc<span>m<\/span><\/p>\n<p style=\"padding-left: 40px;\"><span>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>\u82af\u5f84\uff1a<span>100<\/span>\u03bc<span>m<\/span>\uff0c\u6d82\u8986\u5c42\u76f4\u5f84<span>140<\/span>\u03bc<span>m<\/span><\/p>\n<\/blockquote>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P64<\/span><\/h4>\n<p>\u4ee5\u592a\u7f51\u7684\u5de5\u4f5c\u539f\u7406\uff1a<span style=\"color: #ce0000;\"><strong>\u8f7d\u6ce2\u4fa6\u542c\u591a\u8def\u8bbf\u95ee\/\u78b0\u649e\u51b2\u7a81\uff08CSMA\/CD\uff09<\/strong><\/span>\uff0c\u91c7\u7528<span>IEEE802.3<\/span>\u6807\u51c6<\/p>\n<p>\u539f\u7406\u5f52\u7eb3\u4e3a\uff1a<\/p>\n<ol>\n<li>\u53d1\u524d\u5148\u542c\uff08\u76d1\u542c\u5230\u4fe1\u9053\u7a7a\u95f2\u5c31\u53d1\u9001\u6570\u636e\u5e27\uff09\uff1b<\/li>\n<li>\u8fb9\u53d1\u8fb9\u542c\uff08\u5e76\u7ee7\u7eed\u76d1\u542c\u4e0b\u53bb\uff09<\/li>\n<li>\u53d1\u73b0\u78b0\u649e\uff08\u5982\u679c\u76d1\u542c\u5230\u53d1\u751f\u4e86\u78b0\u649e\uff09<\/li>\n<li>\u7acb\u5373\u505c\u53d1\uff08\u5219\u7acb\u5373\u653e\u5f03\u6b64\u6570\u636e\u7684\u53d1\u9001\uff09<\/li>\n<li>\u53d1\u9001\u5f3a\u5316\uff08\u540c\u65f6\u53d1\u9001\u5f3a\u5316\u51b2\u7a81\u4fe1\u53f7\uff09<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P72<\/span><\/h4>\n<p>\u78c1\u76d8\u9635\u5217\uff08<span>Redundant Arrays of Independent Disks<\/span>\uff0c<span>RAID<\/span>\uff09\uff0c<span>RAID<\/span>\u7ea7\u522b\uff08\u8bb0<span>RAID0~3<\/span>\u5373\u53ef\uff09<\/p>\n<ol>\n<li><span>RAID0<\/span>\uff0c\u6280\u672f\u539f\u7406\uff1a\u201c<span>Striped Disk Array without Fault Tolerance<\/span>\u201d\uff0c<span style=\"color: #ce0000;\"><strong>\u6761\u5e26<\/strong><\/span><\/li>\n<\/ol>\n<p>\u5c06\u5199\u5165\u6570\u636e\u5206\u6210\u5927\u5c0f\u76f8\u540c\u7684\u5feb<span>(block)<\/span>\uff0c\u5c06\u5404\u5757\u6309\u987a\u5e8f\u5728\u5404\u78c1\u76d8\u4f9d\u6b21\u5faa\u73af\u5199\u5165\u3002\u5b9e\u73b0\u81f3\u5c11\u9700\u8981\u4e24\u5757\u78c1\u76d8\uff0c\u5bb9\u91cf\u662f\u5404\u4e2a\u72ec\u7acb\u78c1\u76d8\u5bb9\u91cf\u4e4b\u548c\uff0c\u5728\u4e8e\u6539\u5584\u78c1\u76d8\u6570\u636e\u5b58\u50a8\u548c\u5e76\u53d1\u80fd\u529b\u3002<\/p>\n<ol start=\"2\">\n<li><span>RAID1<\/span>\uff0c\u6280\u672f\u539f\u7406\uff1a\u201c<span>Mirroring and Duplexing<\/span>\u201d\uff0c<span style=\"color: #ce0000;\"><strong>\u955c\u50cf<\/strong><\/span><\/li>\n<\/ol>\n<p>\u5728\u5199\u5165\u6bcf\u4e2a\u6570\u636e\u5757\u662f\uff0c\u540c\u65f6\u5199\u5728\u4e24\u7ec4\u4e0d\u540c\u7684\u78c1\u76d8\u4e0a\uff0c\u5176\u4e2d\u4e00\u7ec4\u4f5c\u4e3a\u955c\u50cf\u78c1\u76d8\uff0c\u4e00\u65e6\u4e3b\u76d8\u4e0a\u6570\u636e\u51fa\u9519\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7\u955c\u50cf\u78c1\u76d8\u8fdb\u884c\u6062\u590d\uff0c\u56e0\u6b64<span>RAID1<\/span>\u9700\u8981<span>2N<\/span>\u4e2a\u72ec\u7acb\u78c1\u76d8\uff0c\u603b\u5bb9\u91cf\u662f\u5404\u4e2a\u72ec\u7acb\u78c1\u76d8\u5bb9\u91cf\u7684\u4e00\u534a\u3002<\/p>\n<ol start=\"3\">\n<li><span>RAID2<\/span>\uff0c\u6280\u672f\u539f\u7406\uff1a\u201c<span>Hamming Code ECC<\/span>\u201d\uff0c<span style=\"color: #ce0000;\"><strong>\u6d77\u660e\u7801\u6821\u9a8c<\/strong><\/span><\/li>\n<\/ol>\n<p>\u6570\u636e\u6309\u7167\u6bd4\u7279\u5199\u5165\u591a\u4e2a\u78c1\u76d8\uff0c\u53e6\u7528\u4e09\u4e2a\u78c1\u76d8\u5b58\u50a8\u5199\u5165\u5b57\u7684\u6d77\u660e\u7801\u6821\u9a8c\u4fe1\u606f\uff0c\u5b9e\u73b0\u7684\u78c1\u76d8\u5bb9\u91cf\u4e3a\u603b\u78c1\u76d8\u7684\u5bb9\u91cf\u7684\uff08<span>N-3<\/span>\uff09<span>\/N<\/span>\uff08<span>N<\/span>\u4e3a\u78c1\u76d8\u4e2a\u6570\uff09\uff0c\u5177\u6709\u9ad8\u53ef\u9760\u6027\uff0c\u4f46\u662f\u9700\u8981\u6821\u68c0\u76d8\u7684\u6570\u91cf\u591a\uff0c\u7b97\u6cd5\u590d\u6742\uff0c\u5e76\u884c<span>I\/O<\/span>\u80fd\u529b\u5dee\uff0c\u5b9e\u9645\u8f83\u5c11\u4f7f\u7528\u3002<\/p>\n<ol start=\"4\">\n<li><span>RAID3<\/span>\uff0c\u6280\u672f\u539f\u7406\uff1a\u201c<span>Parallel transfer with parity<\/span>\u201d\uff0c<span style=\"color: #ce0000;\"><strong>\u5e26\u5947\u5076\u6821\u9a8c\u7684\u5e76\u884c\u4f20\u9001<\/strong><\/span><\/li>\n<\/ol>\n<p>\u514b\u670d<span>RAID2<\/span>\u7684\u7f3a\u70b9\u63a8\u51fa\uff0c\u6570\u636e\u6309\u7167\u6761\u5e26\u7684\u65b9\u5f0f\u5199\u5165\u591a\u4e2a\u78c1\u76d8\uff0c\u7528<span>1<\/span>\u4e2a\u78c1\u76d8\u5b58\u50a8\u6761\u5e26\u6570\u636e\u7684\u5947\u5076\u6821\u9a8c\u4fe1\u606f\u3002\u5728\u8fdb\u884c\u78c1\u76d8\u6570\u636e\u5b58\u53d6\u65f6\uff0c\u53ef\u4ee5\u5224\u65ad\u6570\u636e\u662f\u5426\u51fa\u9519\u3002<span>RAID<\/span>\u9700\u8981\u81f3\u5c11<span>3<\/span>\u4e2a\u72ec\u7acb\u78c1\u76d8\uff0c\u5b9e\u73b0\u7684\u78c1\u76d8\u5bb9\u91cf\u4e3a\u603b\u78c1\u76d8\u5bb9\u91cf\u7684\uff08<span>N-1<\/span>\uff09<span>\/N<\/span>\uff08<span>N<\/span>\u4e3a\u78c1\u76d8\u7684\u4e2a\u6570\uff09<\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P99<\/span>\uff08\u611f\u89c9\u662f\u7b80\u7b54\u9898\uff09<\/h4>\n<p><strong>\u914d\u7f6e\u4ea4\u6362\u673a\u7aef\u53e3\u805a\u5408\u529f\u80fd<\/strong><\/p>\n<p><span>IEEE802.3ad<\/span>\u94fe\u8def\u805a\u5408\u63a7\u5236\u534f\u8bae\uff0c\u5b9a\u4e49\u4e86\u5c06\u4e24\u6761\u4ee5\u4e0a\u4ee5\u592a\u7f51\u94fe\u8def\u7ec4\u5408\u8d77\u6765\u4e3a\u9ad8\u5e26\u5bbd\u7f51\u7edc\u8fde\u63a5\u63d0\u4f9b\u8d1f\u8f7d\u5171\u4eab\uff0c\u8d1f\u8f7d\u5e73\u8861\u4ee5\u53ca\u66f4\u597d\u7684\u5f39\u6027\uff0c\u79f0\u4e4b\u4e3a<span style=\"color: #ce0000;\"><strong>\u7aef\u53e3\u805a\u5408\uff08aggregate port\uff09<\/strong><\/span>\u3002<\/p>\n<p>\u7aef\u53e3\u805a\u5408\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u51cf\u5c11\u6765\u81ea\u4e3b\u5e72\u7f51\u7edc\u5e26\u5bbd\u7684\u538b\u529b\uff0c\u540c\u65f6\u4fdd\u8bc1\u7f51\u7edc\u7684\u53ef\u9760\u6027\uff0c\u805a\u5408\u7aef\u53e3\u80fd\u591f\u6839\u636e\u4fdd\u6e29\u7684<span>MAC<\/span>\u5730\u5740\u6216\u8005<span>IP<\/span>\u5730\u5740\u8fdb\u884c\u6d41\u91cf\u5e73\u8861\u3002<\/p>\n<p>\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n<ol>\n<li>\u4ea4\u6362\u673a\u6700\u5927\u805a\u5408\u7aef\u53e3\u6570\u91cf\u662f\u6709\u9650\u7684\uff1b<\/li>\n<li>\u7aef\u53e3\u7684\u901f\u5ea6\u5fc5\u987b\u4e00\u81f4\uff1b<\/li>\n<li>\u805a\u5408\u7684\u7aef\u53e3\u5fc5\u987b\u540c\u5c5e\u4e8e\u4e00\u4e2a<span>VLAN<\/span>\uff1b<\/li>\n<li>\u805a\u5408\u7aef\u53e3\u4f7f\u7528\u7684\u4f20\u8f93\u4ecb\u8d28\u76f8\u540c\uff1b<\/li>\n<li>\u805a\u5408\u7684\u7aef\u53e3\u5fc5\u987b\u5c5e\u4e8e\u7f51\u7edc\u7684\u540c\u4e00\u5c42\u6b21\uff0c\u5e76\u4e14\u4e0e\u805a\u5408\u7aef\u53e3\u4e5f\u8981\u5728\u540c\u4e00\u5c42\u6b21\u3002<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P102<\/span><\/h4>\n<p>\u4ea4\u6362\u673a\u7684\u7ea7\u8054<\/p>\n<p>\u5206\u7c7b\uff1a<span style=\"color: #ce0000;\"><strong>\u666e\u901a\u7aef\u53e3\u7ea7\u8054<\/strong><\/span> \u548c <span style=\"color: #ce0000;\"><strong>\u7ea7\u8054\u7aef\u53e3\u7684\u7ea7\u8054<\/strong><\/span><\/p>\n<p>\u5982\u679c\u4ea4\u6362\u673a\u6ca1\u6709\u4e13\u95e8\u7684\u7ea7\u8054\u7aef\u53e3\uff0c\u5219\u53ef\u4ee5\u7528<span style=\"color: #ce0000;\"><strong>\u4ea4\u53c9\u7ebf<\/strong><\/span>\uff08\u4e0d\u662f\u76f4\u901a\u7ebf\uff0c<del>\u597d\u50cf\u73b0\u5728\u65b0\u7684\u4ea4\u6362\u673a\u4e5f\u53ef\u4ee5\u76f4\u901a\u7ebf\u4e86<\/del>\uff09\uff0c\u5c06\u4ea4\u6362\u673a\u4ee5\u592a\u7f51\u7aef\u53e3\u76f4\u63a5\u76f8\u8fde\u7684\u65b9\u5f0f\u5b9e\u73b0\u7ea7\u8054\u3002<\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P122<\/span><\/h4>\n<p>\u5206\u6790\u7f51\u7edc\u8bbe\u8ba1\u7684\u7ea6\u675f<\/p>\n<ol>\n<li><span style=\"color: #ce0000;\"><strong>\u653f\u7b56\u7ea6\u675f<\/strong><\/span><\/li>\n<li><span style=\"color: #ce0000;\"><strong>\u9884\u7b97\u7ea6\u675f<\/strong><\/span><\/li>\n<li><span style=\"color: #ce0000;\"><strong>\u65f6\u95f4\u7ea6\u675f<\/strong><\/span><\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P126<\/span><\/h4>\n<p>\u4e22\u5305\u7387<\/p>\n<ol>\n<li>\u67d0\u4e9b\u5b9e\u65f6\u4e1a\u52a1\uff0c\u5982\u57fa\u4e8e<span>IP<\/span>\u7684\u8bed\u97f3\uff08<span>VoIP<\/span>\uff09\u80fd\u591f\u5bb9\u5fcd\u4e00\u5b9a\u7684\u4e22\u5305\u7387\uff0c\u4e00\u65e6\u4e22\u5931\u5206\u7ec4\u5e76\u4e0d\u8bd5\u56fe\u6062\u590d\u5b83<\/li>\n<li><span>TCP<\/span>\u91cd\u65b0\u53d1\u9001\u4e22\u5931\u7684\u5206\u7ec4\uff0c\u5b83\u4e5f\u4f7f\u7528\u5206\u7ec4\u4e22\u5931\u4f5c\u4e3a\u4ee5\u8f83\u4f4e\u7684\u901f\u7387\u53d1\u9001\u6570\u636e\u7684\u4fe1\u53f7\u3002\u8fd9\u79cd\u7279\u6027\u88ab\u79f0\u4e3a\u201c\u7f51\u7edc\u53cb\u597d\u201d\u3002\u7528\u4e22\u5305\u6765\u611f\u77e5\u62e5\u585e\uff0c\u5982\u679c<span>TCP<\/span>\u6d41\u4e0d\u5b58\u5728\u5076\u5c14\u7684\u5206\u7ec4\u4e22\u5931\uff0c\u90a3\u4e48<span>TCP<\/span>\u534f\u8bae\u7684\u62e5\u585e\u63a7\u5236\u65b9\u6cd5\u5c06\u4f1a\u5931\u6548<\/li>\n<li>\u8bb8\u591a\u670d\u52a1\u5728\u6709\u5206\u7ec4\u4e22\u5931\u7684\u60c5\u51b5\u4e0b\u80fd\u591f\u6709\u6548\u7684\u8fd0\u884c<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P154<\/span><\/h4>\n<p>\u7ed3\u6784\u5316\u5e03\u7ebf\u7cfb\u7edf\u7684\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n<p><strong>\u7ed3\u6784\u5316\u5e03\u7ebf\u7cfb\u7edf\u7684\u7279\u70b9\uff1a<\/strong><\/p>\n<ol>\n<li>\u5177\u5907\u826f\u597d\u7684\u7efc\u5408\u6027\u548c\u517c\u5bb9\u6027\uff1b<\/li>\n<li>\u9002\u5e94\u6027\u5f3a\uff0c\u4f7f\u7528\u7075\u6d3b\uff1b<\/li>\n<li>\u6613\u4e8e\u6269\u5bb9\uff0c\u4fbf\u4e8e\u7ef4\u62a4\uff1b<\/li>\n<li>\u5177\u6709\u79d1\u5b66\u6027\u548c\u7ecf\u6d4e\u4f7f\u7528\u6027\uff1b<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<p><strong>\u7ed3\u6784\u5316\u5e03\u7ebf\u7cfb\u7edf\u7684\u5e94\u7528\u573a\u5408\uff1a<\/strong><\/p>\n<ol>\n<li>\u667a\u80fd\u5316\u5efa\u7b51<\/li>\n<li>\u5546\u4e1a\uff0c\u8d38\u6613\u516c\u53f8\u6216\u5355\u4f4d<\/li>\n<li>\u673a\u5173\uff0c\u529e\u516c\u7c7b\u7684\u5355\u4f4d<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<p><strong>\u7ed3\u6784\u5316\u5e03\u7ebf\u7cfb\u7edf\u7684\u7ec4\u6210\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u5de5\u4f5c\u533a\uff08\u7ec8\u7aef\uff09\u5b50\u7cfb\u7edf<\/strong><\/li>\n<li><strong>\u6c34\u5e73\u5e03\u7ebf\u5b50\u7cfb\u7edf<\/strong><\/li>\n<li><strong>\u5782\u76f4\u5e72\u7ebf\u5b50\u7cfb\u7edf<\/strong><\/li>\n<li><strong>\u7ba1\u7406\u5b50\u7cfb\u7edf<\/strong><\/li>\n<li><strong>\u8bbe\u5907\u95f4\u5b50\u7cfb\u7edf<\/strong><\/li>\n<li><strong>\u5efa\u7b51\u7fa4\u5b50\u7cfb\u7edf<\/strong><\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P176<\/span><\/h4>\n<p>\u63a5\u5730\u5206\u7c7b\uff1a<\/p>\n<ol>\n<li><strong>\u4ea4\u6d41\u63a5\u5730<\/strong><\/li>\n<li><strong>\u76f4\u6d41\u63a5\u5730<\/strong><\/li>\n<li><strong>\u4fdd\u62a4\u63a5\u5730<\/strong><\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P220<\/span><\/h4>\n<p>\u7f51\u72b6\u62d3\u6251\u7ed3\u6784\uff08\u81ea\u5df1\u731c\u8003\u5565\uff0c\u6211\u53ea\u662f\u6574\u7406\u81ea\u5df1\u8ba4\u4e3a\u53ef\u4ee5\u7684\uff09<\/p>\n<ol>\n<li>\u4e3a\u4e86<strong>\u66f4\u597d\u7684\u53ef\u7528\u6027\u8981\u6c42\uff08\u5b8c\u5168\u5197\u4f59\u548c\u826f\u597d\u7684\u6027\u80fd\uff09<\/strong>\uff0c\u53ef\u4ee5\u91c7\u7528\u7f51\u72b6\u62d3\u6251\u7ed3\u6784\uff0c\u6bcf\u53f0\u8def\u7531\u5668\u6216\u8005\u4ea4\u6362\u673a\u90fd\u4e0e\u5176\u4ed6\u7684\u8def\u7531\u5668\u6216\u8005\u4ea4\u6362\u673a\u76f8\u8fde\u3002<\/li>\n<li>\u7531\u4e8e\u94fe\u8def\u6570\u91cf\u662f\uff08<span>N*(N-1)<\/span>\uff09<span>\/2<\/span>\uff0c\u56e0\u6b64\u4f1a\u4f7f\u5f97<span style=\"color: #ce0000;\"><strong>\u7f51\u7edc\u6210\u672c\uff08\u540c\u7ef4\u62a4\u8d39\u7528\uff0c\u540c\u4f18\u5316\u96be\u5ea6\uff09\u5927\u5e45\u5ea6\u589e\u52a0<\/strong><\/span>\u3002<\/li>\n<li>\u6210\u672c\u548c\u53ef\u7528\u6027\u4e4b\u95f4\u9700\u8981\u627e\u5230\u4e00\u4e2a\u5e73\u8861\u70b9\uff0c\u6709\u65f6\u5019\u9700\u8981\u7ecf\u8fc7\u4e2d\u95f4\u94fe\u8def\u3002<\/li>\n<li>\u6ca1\u6709\u6a21\u5757\u5316\u5b9e\u73b0\uff0c\u56e0\u6b64\u7f51\u7edc\u7684\u5347\u7ea7\uff0c\u6269\u5c55\u6bd4\u8f83\u56f0\u96be\u3002<\/li>\n<\/ol>\n<p><span>\u00a0<\/span><\/p>\n<p><em>\u7f51\u7edc\u8bbe\u8ba1\u7684\u4e00\u4e2a\u91cd\u8981\u7684\u539f\u5219\u662f\uff1a\u5e94\u8be5\u4fdd\u8bc1\u6bcf\u6761\u94fe\u8def\u4e0a\u7684\u5e7f\u64ad\u6d41\u91cf\u4e0d\u8d85\u8fc7\u603b\u6d41\u91cf\u768420%\u3010\u8bb0\u4f4f2\/8\u89c4\u5219\u5c31OK\u3011\uff0c\u8fd9\u4e2a\u89c4\u5219\u9650\u5236\u4e86\u8fde\u63a5\u5230\u8def\u7531\u5668\u7684PC\u7684\u6570\u91cf\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u9650\u5236\uff0c\u53ef\u4ee5\u91c7\u7528\u5c42\u6b21\u6a21\u578b\u7684\u7f51\u7edc\u7ed3\u6784\uff0c\u56e0\u4e3a\u5206\u5c42\u7684\u8bbe\u8ba1\u65b9\u6cd5\u9650\u5236\u4e86\u90bb\u63a5\u8def\u7531\u5668\u7684\u6570\u91cf\u3002<\/em><\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P236<\/span><\/h4>\n<p><span>RFC1918<\/span>\u63d0\u4f9b\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u7f51\u7edc\u5730\u5740\u5212\u5206\uff08\u6ce8\u610f\u662f<span>RFC1918<\/span>\u7684\u5212\u5206\u7684\u79c1\u6709\u5730\u5740\uff0c\u4e0d\u662f\u767e\u5ea6\u67e5\u5230\u7684<span>A,B,C<\/span>\u7c7b\u516c\u7f51\u5730\u5740\uff09<\/p>\n<blockquote><p><span>A<\/span>\u7c7b\uff1a<span>10.0.0.0 ~ 10.255.255.255\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 24<\/span>\u6bd4\u7279\uff0c\u7ea6<span>700<\/span>\u4e07\u4e2a\u5730\u5740<\/p>\n<p><span>B<\/span>\u7c7b\uff1a<span>172.16.0.0 ~ 172.31.255.255\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20<\/span>\u6bd4\u7279\uff0c\u7ea6<span>100<\/span>\u4e07\u4e2a\u5730\u5740<\/p>\n<p><span>C<\/span>\u7c7b\uff1a<span>192.168.0.0 ~ 192.168.255.255\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 16<\/span>\u6bd4\u7279\uff0c\u7ea6<span>6.5<\/span>\u4e07\u4e2a\u5730\u5740<\/p><\/blockquote>\n<p>\u3010\u8fd9\u5f20\u56fe\u7247\u5e94\u8be5\u53ef\u4ee5\u89e3\u91ca\u6e05\u695a\u3011<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.mustenaka.cn\/wp-content\/uploads\/2020\/06\/T8CDL7BKUY0SEKR11T.png\" alt=\"\u89e3\u91caA,B,C\u7c7b\u522b\u5730\u5740\" width=\"693\" height=\"861\" class=\"alignnone wp-image-726\" srcset=\"https:\/\/www.mustenaka.cn\/wp-content\/uploads\/2020\/06\/T8CDL7BKUY0SEKR11T.png 554w, https:\/\/www.mustenaka.cn\/wp-content\/uploads\/2020\/06\/T8CDL7BKUY0SEKR11T-242x300.png 242w\" sizes=\"(max-width: 693px) 100vw, 693px\" \/><\/p>\n<h4><span>P239<\/span><\/h4>\n<p>\u56fd\u5bb6\u9876\u7ea7\u57df\u540d\uff08<span>nTDL<\/span>\uff09\uff1a\u91c7\u7528<span>ISO3166<\/span>\u89c4\u5b9a\u3002\u5217\u5982\uff0c<span>cn<\/span>\u8868\u793a\u4e2d\u56fd\uff0c<span>us<\/span>\u8868\u793a\u7f8e\u56fd\uff08\u901a\u5e38\u53ef\u4ee5\u7701\u7565\uff09\u7b49<\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P242<\/span><\/h4>\n<p><span>RIP<\/span>\u8def\u7531\u9009\u62e9\u534f\u8bae\uff1a<span>RIP<\/span>\u662f\u4e00\u79cd\u8ddd\u79bb\u5411\u91cf\u534f\u8bae\uff0c\u662f\u76ee\u524d\u8f83\u5c0f\u7684\u81ea\u6cbb\u7cfb\u7edf\u4f7f\u7528\u7684\u6700\u591a\u7684\u4e00\u79cd\u8def\u7531\u9009\u62e9\u534f\u8bae\u3002<\/p>\n<p><span>\u00a0<\/span><\/p>\n<h4><span>P246<\/span><\/h4>\n<p>\u7b80\u5355\u7684\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff08<span>SNMP<\/span>\uff09\u7f51\u7edc\u6a21\u578b\u5305\u62ec\uff1a\u7ba1\u7406\u8005\uff08<span>Manager<\/span>\uff09\uff0c\u4ee3\u7406\uff08<span>Agent<\/span>\uff09\uff0c\u7ba1\u7406\u4fe1\u606f\u5e93\uff08<span>MIB<\/span>\uff09\uff0c\u7f51\u7edc\u7ba1\u7406\u534f\u8bae\uff08<span>SNMP<\/span>\uff09<\/p>\n<p><span>\u00a0<\/span><\/p>\n<p><span style=\"color: #6d6d6d;\">\u9009\u62e9\u9898\uff1a\uff08\u7b49\u6211\u66f4\u65b0\uff09<\/span><\/p>\n<p><span style=\"color: #6d6d6d;\">P116\uff1a1~10<\/span><\/p>\n<p><span style=\"color: #6d6d6d;\">P216\uff1a5~18<\/span><\/p>\n<p>\u9009\u62e9\u9898\u8fde\u63a5<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"fBciVNRJzP\"><p><a href=\"https:\/\/www.mustenaka.cn\/index.php\/2020\/07\/10\/nernmultiplechoicequestions\/\">\u7f51\u7edc\u5de5\u7a0b\u590d\u4e60\u7b14\u8bb0\uff08\u9009\u62e9\u9898\uff09<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u300a\u7f51\u7edc\u5de5\u7a0b\u590d\u4e60\u7b14\u8bb0\uff08\u9009\u62e9\u9898\uff09\u300b\u2014\u6728\u5341\u7684\u535a\u5ba2\" src=\"https:\/\/www.mustenaka.cn\/index.php\/2020\/07\/10\/nernmultiplechoicequestions\/embed\/#?secret=fBciVNRJzP\" data-secret=\"fBciVNRJzP\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>\u7efc\u5408\u9898\uff1a\uff08\u7b49\u6211\u66f4\u65b0\uff09<\/p>\n<p>\u81ea\u5df1\u7528\u601d\u79d1\u914d\u7f6e\u4e00\u4e0b<span>DHCP<\/span>\u4e2d\u7ee7\u4ee5\u53ca<span>NAT<\/span>\u670d\u52a1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f51\u7edc\u5de5\u7a0b\u8bbe\u8ba1\u6559\u7a0b\u590d\u4e60\u7b14\u8bb0 Network Engineering Design tutorial r [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-725","post","type-post","status-publish","format-standard","hentry","category-networkengineering"],"views":2918,"_links":{"self":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/comments?post=725"}],"version-history":[{"count":5,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/725\/revisions"}],"predecessor-version":[{"id":744,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/posts\/725\/revisions\/744"}],"wp:attachment":[{"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/media?parent=725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/categories?post=725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mustenaka.cn\/index.php\/wp-json\/wp\/v2\/tags?post=725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}