{"id":9728,"date":"2022-05-17T18:14:30","date_gmt":"2022-05-18T01:14:30","guid":{"rendered":"https:\/\/www.xh86.me\/?p=9728"},"modified":"2022-05-17T18:14:30","modified_gmt":"2022-05-18T01:14:30","slug":"%e5%8d%95%e6%92%ad%e3%80%81%e5%a4%9a%e6%92%ad%e3%80%81%e5%b9%bf%e6%92%ad%e3%80%81%e7%bb%84%e6%92%ad%e3%80%81%e6%b3%9b%e6%92%ad%e3%80%81%e5%86%b2%e7%aa%81%e5%9f%9f%e3%80%81%e5%b9%bf%e6%92%ad%e5%9f%9f","status":"publish","type":"post","link":"https:\/\/www.xh86.me\/?p=9728","title":{"rendered":"\u5355\u64ad\u3001\u591a\u64ad\u3001\u5e7f\u64ad\u3001\u7ec4\u64ad\u3001\u6cdb\u64ad\u3001\u51b2\u7a81\u57df\u3001\u5e7f\u64ad\u57df\u3001VLAN\u6982\u5ff5\u6c47\u603b"},"content":{"rendered":"<div class=\"wxsyncmain\">\n<section style=\"font-size: 16px;\" data-mpa-powered-by=\"yiban.io\">\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%;\">\n<section style=\"display: inline-block; vertical-align: middle; width: auto; align-self: center; flex: 100 100 0%; height: auto; border-top: 4px solid #ff4040; border-top-left-radius: 0px; border-bottom: 1px solid #ff4040; border-bottom-right-radius: 0px;\">\n<section style=\"color: #ff4040; text-align: center; line-height: 1.8; letter-spacing: 3px;\"><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 10px; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; vertical-align: top; border-style: none; border-width: 1px; border-color: rgba(183, 217, 255, 0.39); padding: 10px 15px; box-shadow: #000000 0px 0px 0px;\">\n<section>&nbsp;<\/p>\n<\/section>\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%; text-align: center; justify-content: center;\">\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; align-self: flex-end; min-width: 10%; height: auto; line-height: 1; letter-spacing: 0px;\">\n<section style=\"margin-right: 0%; margin-left: 0%; transform: translate3d(-10px, 0px, 0px);\">\n<section style=\"color: #7342d7; font-size: 32px; padding-right: 18px; padding-left: 18px; letter-spacing: 0px; line-height: 1;\"><strong>01<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"margin-top: -14px; margin-right: 0%; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; height: 18px; vertical-align: top; overflow: hidden; background-color: rgba(149, 114, 239, 0.12);\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; align-self: flex-end; flex: 100 100 0%; height: auto; padding-left: 6px; margin-left: -30px; border-style: none; border-width: 0px; border-right-color: #9572ef;\">\n<section style=\"color: #7342d7; text-align: left; letter-spacing: 1px;\"><strong>\u00a0\u7ec4\u64ad<\/strong><\/p>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 4px; margin-left: 0%;\">\n<section style=\"background-color: #9572ef; height: 1px;\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: unset;\">&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>1.1\u00a0 \u7ec4\u64ad\u7684\u7279\u70b9<\/strong><\/span><\/p>\n<p><span style=\"color: #1a7f09;\"><strong>\u00a0<\/strong><\/span><\/p>\n<p><span style=\"color: #d03a3a;\"><strong>\u30101\u3011\u4ec0\u4e48\u662f\u7ec4\u64ad\uff1f<\/strong><\/span><\/p>\n<p>\u7ec4\u64ad\u662f\u4e00\u79cd\u6570\u636e\u5305\u4f20\u8f93\u65b9\u5f0f\uff0c\u5f53\u6709\u591a\u53f0\u4e3b\u673a\u540c\u65f6\u6210\u4e3a\u4e00\u4e2a\u6570\u636e\u5305\u7684\u63a5\u53d7\u8005\u65f6\uff0c\u51fa\u4e8e\u5bf9\u5e26\u5bbd\u548cCPU\u8d1f\u62c5\u7684\u8003\u8651\uff0c\u7ec4\u64ad\u6210\u4e3a\u4e86\u4e00\u79cd\u6700\u4f73\u9009\u62e9\u3002<\/p>\n<p><span style=\"color: #d03a3a;\"><strong>\u30102\u3011\u7ec4\u64ad\u5982\u4f55\u8fdb\u884c\u5de5\u4f5c\uff1f<\/strong><\/span><\/p>\n<p><span style=\"color: #d03a3a;\"><strong>\u00a0<\/strong><\/span><\/p>\n<p>\u7ec4\u64ad\u901a\u8fc7\u628a224.0.0.0-239.255.255.255\u7684D\u7c7b\u5730\u5740\u4f5c\u4e3a\u76ee\u7684\u5730\u5740\uff0c\u6709\u4e00\u53f0\u6e90\u4e3b\u673a\u53d1\u51fa\u76ee\u7684\u5730\u5740\u662f\u4ee5\u4e0a\u8303\u56f4\u7ec4\u64ad\u5730\u5740\u7684\u62a5\u6587\uff0c\u5728\u7f51\u7edc\u4e2d\uff0c\u5982\u679c\u6709\u5176\u4ed6\u4e3b\u673a\u5bf9\u4e8e\u8fd9\u4e2a\u7ec4\u7684\u62a5\u6587\u6709\u5174\u8da3\u7684\uff0c\u53ef\u4ee5\u7533\u8bf7\u52a0\u5165\u8fd9\u4e2a\u7ec4\uff0c\u5e76\u53ef\u4ee5\u63a5\u53d7\u8fd9\u4e2a\u7ec4\uff0c\u800c\u5176\u4ed6\u4e0d\u662f\u8fd9\u4e2a\u7ec4\u7684\u6210\u5458\u662f\u65e0\u6cd5\u63a5\u53d7\u5230\u8fd9\u4e2a\u7ec4\u7684\u62a5\u6587\u7684\u3002<\/p>\n<p><span style=\"color: #d03a3a;\"><strong>\u30103\u3011\u7ec4\u64ad\u548c\u5355\u64ad\u7684\u533a\u522b\uff1f<\/strong><\/span><\/p>\n<p>\u4e3a\u4e86\u8ba9\u7f51\u7edc\u4e2d\u7684\u591a\u4e2a\u4e3b\u673a\u53ef\u4ee5\u540c\u65f6\u63a5\u53d7\u5230\u76f8\u540c\u7684\u62a5\u6587\uff0c\u5982\u679c\u91c7\u7528\u5355\u64ad\u7684\u65b9\u5f0f\uff0c\u90a3\u4e48\u6e90\u4e3b\u673a\u5fc5\u987b\u4e0d\u505c\u7684\u4ea7\u751f\u591a\u4e2a\u76f8\u540c\u7684\u62a5\u6587\u6765\u8fdb\u884c\u53d1\u9001\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u5bf9\u65f6\u5ef6\u5f88\u654f\u611f\u7684\u6570\u636e\uff0c\u5728\u6e90\u4e3b\u673a\u8981\u4ea7\u751f\u591a\u4e2a\u76f8\u540c\u7684\u6570\u636e\u62a5\u6587\u540e\uff0c\u5728\u4ea7\u751f\u7b2c\u4e8c\u4e2a\u6570\u636e\u62a5\u6587\uff0c\u8fd9\u901a\u5e38\u662f\u65e0\u6cd5\u5bb9\u5fcd\u7684\u3002\u800c\u4e14\u5bf9\u4e8e\u4e00\u53f0\u4e3b\u673a\u6765\u8bf4\uff0c\u540c\u65f6\u4e0d\u505c\u7684\u4ea7\u751f\u4e00\u4e2a\u62a5\u6587\u6765\u8bf4\u4e5f\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u8d1f\u62c5\u3002\u5982\u679c\u91c7\u7528\u7ec4\u64ad\u7684\u65b9\u5f0f\uff0c\u6e90\u4e3b\u673a\u53ef\u4ee5\u53ea\u9700\u8981\u53d1\u9001\u4e00\u4e2a\u62a5\u6587\u5c31\u53ef\u4ee5\u5230\u8fbe\u6bcf\u4e2a\u9700\u8981\u63a5\u53d7\u7684\u4e3b\u673a\u4e0a\uff0c\u8fd9\u4e2d\u95f4\u8fd8\u8981\u53d6\u51b3\u4e8e\u8def\u7531\u5668\u5bf9\u7ec4\u5458\u548c\u7ec4\u5173\u7cfb\u7684\u7ef4\u62a4\u548c\u9009\u62e9\u3002<\/p>\n<section class=\"mp_profile_iframe_wrp\"><\/section>\n<p><span style=\"color: #d03a3a;\"><strong>\u30104\u3011\u7ec4\u64ad\u548c\u5e7f\u64ad\u7684\u533a\u522b\uff1f<\/strong><\/span><\/p>\n<p>\u5982\u540c\u4e0a\u4e2a\u4f8b\u5b50\uff0c\u5f53\u6709\u591a\u53f0\u4e3b\u673a\u60f3\u8981\u63a5\u6536\u76f8\u540c\u7684\u62a5\u6587\uff0c\u5e7f\u64ad\u91c7\u7528\u7684\u65b9\u5f0f\u662f\u628a\u62a5\u6587\u4f20\u9001\u5230\u5c40\u57df\u7f51\u5185\u6bcf\u4e2a\u4e3b\u673a\u4e0a\uff0c\u4e0d\u7ba1\u8fd9\u4e2a\u4e3b\u673a\u662f\u5426\u5bf9\u62a5\u6587\u611f\u5174\u8da3\u3002\u8fd9\u6837\u505a\u5c31\u4f1a\u9020\u6210\u4e86\u5e26\u5bbd\u7684\u6d6a\u8d39\u548c\u4e3b\u673a\u7684\u8d44\u6e90\u6d6a\u8d39\u3002\u800c\u7ec4\u64ad\u6709\u4e00\u5957\u5bf9\u7ec4\u5458\u548c\u7ec4\u4e4b\u95f4\u5173\u7cfb\u7ef4\u62a4\u7684\u673a\u5236\uff0c\u53ef\u4ee5\u660e\u786e\u7684\u77e5\u9053\u5728\u67d0\u4e2a\u5b50\u7f51\u4e2d\uff0c\u662f\u5426\u6709\u4e3b\u673a\u5bf9\u8fd9\u7c7b\u7ec4\u64ad\u62a5\u6587\u611f\u5174\u8da3\uff0c\u5982\u679c\u6ca1\u6709\u5c31\u4e0d\u4f1a\u628a\u62a5\u6587\u8fdb\u884c\u8f6c\u53d1\uff0c\u5e76\u4f1a\u901a\u77e5\u4e0a\u6e38\u8def\u7531\u5668\u4e0d\u8981\u518d\u8f6c\u53d1\u8fd9\u7c7b\u62a5\u6587\u5230\u4e0b\u6e38\u8def\u7531\u5668\u4e0a\u3002<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>1.2 \u00a0\u7ec4\u64ad\u7684\u7f3a\u70b9\uff1a<\/strong><\/span><\/p>\n<p>\u30101\u3011\u4e0e\u5355\u64ad\u534f\u8bae\u76f8\u6bd4\u6ca1\u6709\u7ea0\u9519\u673a\u5236\uff0c\u53d1\u751f\u4e22\u5305\u9519\u5305\u540e\u96be\u4ee5\u5f25\u8865\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u4e00\u5b9a\u7684\u5bb9\u9519\u673a\u5236\u548cQOS\u52a0\u4ee5\u5f25\u8865\u3002<\/p>\n<p>\u30102\u3011\u73b0\u884c\u7f51\u7edc\u867d\u7136\u90fd\u652f\u6301\u7ec4\u64ad\u7684\u4f20\u8f93\uff0c\u4f46\u5728\u5ba2\u6237\u8ba4\u8bc1\u3001QOS\u7b49\u65b9\u9762\u8fd8\u9700\u8981\u5b8c\u5584\uff0c\u8fd9\u4e9b\u7f3a\u70b9\u5728\u7406\u8bba\u4e0a\u90fd\u6709\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u53ea\u662f\u9700\u8981\u9010\u6b65\u63a8\u5e7f\u5e94\u7528\u5230\u73b0\u5b58\u7f51\u7edc\u5f53\u4e2d\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/section>\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%; text-align: center; justify-content: center;\">\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; align-self: flex-end; min-width: 10%; height: auto; line-height: 1; letter-spacing: 0px;\">\n<section style=\"margin-right: 0%; margin-left: 0%; transform: translate3d(-10px, 0px, 0px);\">\n<section style=\"color: #7342d7; font-size: 32px; padding-right: 18px; padding-left: 18px; letter-spacing: 0px; line-height: 1;\"><strong>02<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"margin-top: -14px; margin-right: 0%; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; height: 18px; vertical-align: top; overflow: hidden; background-color: rgba(149, 114, 239, 0.12);\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; align-self: flex-end; flex: 100 100 0%; height: auto; padding-left: 6px; margin-left: -30px; border-style: none; border-width: 0px; border-right-color: #9572ef;\">\n<section style=\"color: #7342d7; text-align: left; letter-spacing: 1px;\"><strong>\u00a0 \u00a0 \u00a0\u5355\u64ad<\/strong><\/p>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 4px; margin-left: 0%;\">\n<section style=\"background-color: #9572ef; height: 1px;\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: unset;\">&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>2.1\u00a0 \u5355\u64ad\u7684\u5b9a\u4e49<\/strong><\/span><\/p>\n<p>\u4e3b\u673a\u4e4b\u95f4\u201c\u4e00\u5bf9\u4e00\u201d\u7684\u901a\u8baf\u6a21\u5f0f\uff0c\u7f51\u7edc\u4e2d\u7684\u4ea4\u6362\u673a\u548c\u8def\u7531\u5668\u5bf9\u6570\u636e\u53ea\u8fdb\u884c\u8f6c\u53d1\u4e0d\u8fdb\u884c\u590d\u5236\u3002\u5982\u679c10\u4e2a\u5ba2\u6237\u673a\u9700\u8981\u76f8\u540c\u7684\u6570\u636e\uff0c\u5219\u670d\u52a1\u5668\u9700\u8981\u9010\u4e00\u4f20\u9001\uff0c\u91cd\u590d10\u6b21\u76f8\u540c\u7684\u5de5\u4f5c\u3002\u4f46\u7531\u4e8e\u5176\u80fd\u591f\u9488\u5bf9\u6bcf\u4e2a\u5ba2\u6237\u7684\u53ca\u65f6\u54cd\u5e94\uff0c\u6240\u4ee5\u73b0\u5728\u7684\u7f51\u9875\u6d4f\u89c8\u5168\u90e8\u90fd\u662f\u91c7\u7528IP\u5355\u64ad\u534f\u8bae\u3002\u7f51\u7edc\u4e2d\u7684\u8def\u7531\u5668\u548c\u4ea4\u6362\u673a\u6839\u636e\u5176\u76ee\u6807\u5730\u5740\u9009\u62e9\u4f20\u8f93\u8def\u5f84\uff0c\u5c06 IP\u5355\u64ad\u6570\u636e\u4f20\u9001\u5230\u5176\u6307\u5b9a\u7684\u76ee\u7684\u5730\u3002<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>2.2\u00a0 \u5355\u64ad\u7684\u4f18\u70b9<\/strong><\/span><\/p>\n<p>\u30101\u3011\u670d\u52a1\u5668\u53ca\u65f6\u54cd\u5e94\u5ba2\u6237\u673a\u7684\u8bf7\u6c42<\/p>\n<p>\u30102\u3011\u670d\u52a1\u5668\u9488\u5bf9\u6bcf\u4e2a\u5ba2\u6237\u4e0d\u901a\u7684\u8bf7\u6c42\u53d1\u9001\u4e0d\u901a\u7684\u6570\u636e\uff0c\u5bb9\u6613\u5b9e\u73b0\u4e2a\u6027\u5316\u670d\u52a1\u3002<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>2.3\u00a0 \u5355\u64ad\u7684\u7f3a\u70b9<\/strong><\/span><\/p>\n<p><span style=\"color: #1a7f09;\"><strong>\u00a0<\/strong><\/span><\/p>\n<p>\u30101\u3011\u670d\u52a1\u5668\u9488\u5bf9\u6bcf\u4e2a\u5ba2\u6237\u673a\u53d1\u9001\u6570\u636e\u6d41\uff0c\u670d\u52a1\u5668\u6d41\u91cf\uff1d\u5ba2\u6237\u673a\u6570\u91cf\u00d7\u5ba2\u6237\u673a\u6d41\u91cf\uff1b\u5728\u5ba2\u6237\u6570\u91cf\u5927\u3001\u6bcf\u4e2a\u5ba2\u6237\u673a\u6d41\u91cf\u5927\u7684\u6d41\u5a92\u4f53\u5e94\u7528\u4e2d\u670d\u52a1\u5668\u4e0d\u582a\u91cd\u8d1f\u3002<\/p>\n<p>\u30102\u3011\u73b0\u6709\u7684\u7f51\u7edc\u5e26\u5bbd\u662f\u91d1\u5b57\u5854\u7ed3\u6784\uff0c\u57ce\u9645\u7701\u9645\u4e3b\u5e72\u5e26\u5bbd\u4ec5\u4ec5\u76f8\u5f53\u4e8e\u5176\u6240\u6709\u7528\u6237\u5e26\u5bbd\u4e4b\u548c\u76845\uff05\u3002\u5982\u679c\u5168\u90e8\u4f7f\u7528\u5355\u64ad\u534f\u8bae\uff0c\u5c06\u9020\u6210\u7f51\u7edc\u4e3b\u5e72\u4e0d\u582a\u91cd\u8d1f\u3002\u73b0\u5728\u7684P2P\u5e94\u7528\u5c31\u5df2\u7ecf\u4f7f\u4e3b\u5e72\u7ecf\u5e38\u963b\u585e\uff0c\u53ea\u8981\u67095\uff05\u7684\u5ba2\u6237\u5728\u5168\u901f\u4f7f\u7528\u7f51\u7edc\uff0c\u5176\u4ed6\u4eba\u5c31\u4e0d\u8981\u73a9\u4e86\u3002\u800c\u5c06\u4e3b\u5e72\u6269\u5c5520\u500d\u51e0\u4e4e\u662f\u4e0d\u53ef\u80fd\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/section>\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%; text-align: center; justify-content: center;\">\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; align-self: flex-end; min-width: 10%; height: auto; line-height: 1; letter-spacing: 0px;\">\n<section style=\"margin-right: 0%; margin-left: 0%; transform: translate3d(-10px, 0px, 0px);\">\n<section style=\"color: #7342d7; font-size: 32px; padding-right: 18px; padding-left: 18px; letter-spacing: 0px; line-height: 1;\"><strong>03<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"margin-top: -14px; margin-right: 0%; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; height: 18px; vertical-align: top; overflow: hidden; background-color: rgba(149, 114, 239, 0.12);\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; align-self: flex-end; flex: 100 100 0%; height: auto; padding-left: 6px; margin-left: -30px; border-style: none; border-width: 0px; border-right-color: #9572ef;\">\n<section style=\"color: #7342d7; text-align: left; letter-spacing: 1px;\"><strong> \u00a0 \u00a0\u5e7f\u64ad<\/strong><\/p>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 4px; margin-left: 0%;\">\n<section style=\"background-color: #9572ef; height: 1px;\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: unset;\">&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>3.1\u00a0 \u5e7f\u64ad\u7684\u5b9a\u4e49<\/strong><\/span><\/p>\n<p>\u4e3b\u673a\u4e4b\u95f4\u201c\u4e00\u5bf9\u6240\u6709\u201d\u7684\u901a\u8baf\u6a21\u5f0f\uff0c\u7f51\u7edc\u5bf9\u5176\u4e2d\u6bcf\u4e00\u53f0\u4e3b\u673a\u53d1\u51fa\u7684\u4fe1\u53f7\u90fd\u8fdb\u884c\u65e0\u6761\u4ef6\u590d\u5236\u5e76\u8f6c\u53d1\uff0c\u6240\u6709\u4e3b\u673a\u90fd\u53ef\u4ee5\u63a5\u6536\u5230\u6240\u6709\u4fe1\u606f\uff08\u4e0d\u7ba1\u4f60\u662f\u5426\u9700\u8981\uff09\uff0c\u7531\u4e8e\u5176\u4e0d\u7528\u8def\u5f84\u9009\u62e9\uff0c\u6240\u4ee5\u5176\u7f51\u7edc\u6210\u672c\u53ef\u4ee5\u5f88\u4f4e\u5ec9\u3002\u6709\u7ebf\u7535\u89c6\u7f51\u5c31\u662f\u5178\u578b\u7684\u5e7f\u64ad\u578b\u7f51\u7edc\uff0c\u6211\u4eec\u7684\u7535\u89c6\u673a\u5b9e\u9645\u4e0a\u662f\u63a5\u53d7\u5230\u6240\u6709\u9891\u9053\u7684\u4fe1\u53f7\uff0c\u4f46\u53ea\u5c06\u4e00\u4e2a\u9891\u9053\u7684\u4fe1\u53f7\u8fd8\u539f\u6210\u753b\u9762\u3002\u5728\u6570\u636e\u7f51\u7edc\u4e2d\u4e5f\u5141\u8bb8\u5e7f\u64ad\u7684\u5b58\u5728\uff0c\u4f46\u5176\u88ab\u9650\u5236\u5728\u4e8c\u5c42\u4ea4\u6362\u673a\u7684\u5c40\u57df\u7f51\u8303\u56f4\u5185\uff0c\u7981\u6b62\u5e7f\u64ad\u6570\u636e\u7a7f\u8fc7\u8def\u7531\u5668\uff0c\u9632\u6b62\u5e7f\u64ad\u6570\u636e\u5f71\u54cd\u5927\u9762\u79ef\u7684\u4e3b\u673a\u3002<\/p>\n<section class=\"mp_profile_iframe_wrp\"><\/section>\n<p><span style=\"color: #1a7f09;\"><strong>3.2\u00a0 \u5e7f\u64ad\u7684\u4f18\u70b9<\/strong><\/span><\/p>\n<p>\u30101\u3011\u7f51\u7edc\u8bbe\u5907\u7b80\u5355\uff0c\u7ef4\u62a4\u7b80\u5355\uff0c\u5e03\u7f51\u6210\u672c\u4f4e\u5ec9<\/p>\n<p>\u30102\u3011\u7531\u4e8e\u670d\u52a1\u5668\u4e0d\u7528\u5411\u6bcf\u4e2a\u5ba2\u6237\u673a\u5355\u72ec\u53d1\u9001\u6570\u636e\uff0c\u6240\u4ee5\u670d\u52a1\u5668\u6d41\u91cf\u8d1f\u8f7d\u6781\u4f4e\u3002<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>3.3\u00a0 \u5e7f\u64ad\u7684\u7f3a\u70b9<\/strong><\/span><\/p>\n<p>\u30101\u3011\u65e0\u6cd5\u9488\u5bf9\u6bcf\u4e2a\u5ba2\u6237\u7684\u8981\u6c42\u548c\u65f6\u95f4\u53ca\u65f6\u63d0\u4f9b\u4e2a\u6027\u5316\u670d\u52a1\u3002<\/p>\n<p>\u30102\u3011\u7f51\u7edc\u5141\u8bb8\u670d\u52a1\u5668\u63d0\u4f9b\u6570\u636e\u7684\u5e26\u5bbd\u6709\u9650\uff0c\u5ba2\u6237\u7aef\u7684\u6700\u5927\u5e26\u5bbd\uff1d\u670d\u52a1\u603b\u5e26\u5bbd\u3002\u4f8b\u5982\u6709\u7ebf\u7535\u89c6\u7684\u5ba2\u6237\u7aef\u7684\u7ebf\u8def\u652f\u6301100\u4e2a\u9891\u9053\uff08\u5982\u679c\u91c7\u7528\u6570\u5b57\u538b\u7f29\u6280\u672f\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u63d0\u4f9b 500\u4e2a\u9891\u9053\uff09\uff0c\u5373\u4f7f\u670d\u52a1\u5546\u6709\u66f4\u5927\u7684\u8d22\u529b\u914d\u7f6e\u66f4\u591a\u7684\u53d1\u9001\u8bbe\u5907\u3001\u6539\u6210\u5149\u7ea4\u4e3b\u5e72\uff0c\u4e5f\u65e0\u6cd5\u8d85\u8fc7\u6b64\u6781\u9650\u3002\u4e5f\u5c31\u662f\u8bf4\u65e0\u6cd5\u5411\u4f17\u591a\u5ba2\u6237\u63d0\u4f9b\u66f4\u591a\u6837\u5316\u3001\u66f4\u52a0\u4e2a\u6027\u5316\u7684\u670d\u52a1\u3002<\/p>\n<p>\u30103\u3011\u5e7f\u64ad\u7981\u6b62\u5728Internet\u5bbd\u5e26\u7f51\u4e0a\u4f20\u8f93\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/section>\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%; text-align: center; justify-content: center;\">\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; align-self: flex-end; min-width: 10%; height: auto; line-height: 1; letter-spacing: 0px;\">\n<section style=\"margin-right: 0%; margin-left: 0%; transform: translate3d(-10px, 0px, 0px);\">\n<section style=\"color: #7342d7; font-size: 32px; padding-right: 18px; padding-left: 18px; letter-spacing: 0px; line-height: 1;\"><strong>04<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"margin-top: -14px; margin-right: 0%; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; height: 18px; vertical-align: top; overflow: hidden; background-color: rgba(149, 114, 239, 0.12);\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; align-self: flex-end; flex: 100 100 0%; height: auto; padding-left: 6px; margin-left: -30px; border-style: none; border-width: 0px; border-right-color: #9572ef;\">\n<section style=\"color: #7342d7; text-align: left; letter-spacing: 1px;\"><strong> \u00a0\u591a\u64ad<\/strong><\/p>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 4px; margin-left: 0%;\">\n<section style=\"background-color: #9572ef; height: 1px;\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: unset;\">&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>4.1\u00a0 \u591a\u64ad\u7684\u5b9a\u4e49<\/strong><\/span><\/p>\n<p><span style=\"color: #1a7f09;\"><strong>\u00a0<\/strong><\/span><\/p>\n<p>\u201c\u591a\u64ad\u201d\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u4eba\u5411\u591a\u4e2a\u4eba\uff08\u4f46\u4e0d\u662f\u5728\u573a\u7684\u6240\u6709\u4eba\uff09\u8bf4\u8bdd\uff0c\u8fd9\u6837\u80fd\u591f\u63d0\u9ad8\u901a\u8bdd\u7684\u6548\u7387\u3002\u5982\u679c\u4f60\u8981\u901a\u77e5\u7279\u5b9a\u7684\u67d0\u4e9b\u4eba\u540c\u4e00\u4ef6\u4e8b\u60c5\uff0c\u4f46\u662f\u53c8\u4e0d\u60f3\u8ba9\u5176\u4ed6\u4eba\u77e5\u9053\uff0c\u4f7f\u7528\u7535\u8bdd\u4e00\u4e2a\u4e00\u4e2a\u5730\u901a\u77e5\u5c31\u975e\u5e38\u9ebb\u70e6\uff0c\u800c\u4f7f\u7528\u65e5\u5e38\u751f\u6d3b\u7684\u5927\u5587\u53ed\u8fdb\u884c\u5e7f\u64ad\u901a\u77e5\uff0c\u5c31\u8fbe\u4e0d\u5230\u53ea\u901a\u77e5\u4e2a\u522b\u4eba\u7684\u76ee\u7684\u4e86\uff0c\u6b64\u65f6\u4f7f\u7528\u201c\u591a\u64ad\u201d \u6765\u5b9e\u73b0\u5c31\u4f1a\u975e\u5e38\u65b9\u4fbf\u5feb\u6377\uff0c\u4f46\u662f\u73b0\u5b9e\u751f\u6d3b\u4e2d\u591a\u64ad\u8bbe\u5907\u975e\u5e38\u5c11\u3002\u591a\u64ad\u5305\u62ec\u7ec4\u64ad\u548c\u5e7f\u64ad\uff0c\u7ec4\u64ad\u662f\u591a\u64ad\u7684\u4e00\u79cd\u8868\u73b0\u5f62\u5f0f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>4.2\u00a0 \u591a\u64ad\u7684\u7279\u70b9<\/strong><\/span><\/p>\n<p>\u5e7f\u64ad\u548c\u591a\u64ad\u4ec5\u5e94\u7528\u4e8eUDP\uff0c\u5b83\u4eec\u5bf9\u9700\u5c06\u62a5\u6587\u540c\u65f6\u4f20\u5f80\u591a\u4e2a\u63a5\u6536\u8005\u7684\u5e94\u7528\u6765\u8bf4\u5341\u5206\u91cd\u8981\u3002TCP\u662f\u4e00\u4e2a\u9762\u5411\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u5b83\u610f\u5473\u7740\u5206\u522b\u8fd0\u884c\u4e8e\u4e24\u4e3b\u673a\uff08\u7531IP\u5730\u5740\u786e\u5b9a\uff09\u5185\u7684\u4e24\u8fdb\u7a0b\uff08\u7531\u7aef\u53e3\u53f7\u786e\u5b9a\uff09\u95f4\u5b58\u5728\u4e00\u6761\u8fde\u63a5\u3002<\/p>\n<p>\u8003\u8651\u5305\u542b\u591a\u4e2a\u4e3b\u673a\u7684\u5171\u4eab\u4fe1\u9053\u7f51\u7edc\u5982\u4ee5\u592a\u7f51\u3002\u6bcf\u4e2a\u4ee5\u592a\u7f51\u5e27\u5305\u542b\u6e90\u4e3b\u673a\u548c\u76ee\u7684\u4e3b\u673a\u7684\u4ee5\u592a\u7f51\u5730\u5740\uff0848 bit\uff09\u3002\u901a\u5e38\u6bcf\u4e2a\u4ee5\u592a\u7f51\u5e27\u4ec5\u53d1\u5f80\u5355\u4e2a\u76ee\u7684\u4e3b\u673a\uff0c\u76ee\u7684\u5730\u5740\u6307\u660e\u5355\u4e2a\u63a5\u6536\u63a5\u53e3\uff0c\u56e0\u800c\u79f0\u4e3a\u5355\u64ad(unicast)\u3002\u5728\u8fd9\u79cd\u65b9\u5f0f\u4e0b\uff0c\u4efb\u610f\u4e24\u4e2a\u4e3b\u673a\u7684\u901a\u4fe1\u4e0d\u4f1a\u5e72\u6270\u7f51\u5185\u5176\u4ed6\u4e3b\u673a\uff08\u53ef\u80fd\u5f15\u8d77\u4e89\u593a\u5171\u4eab\u4fe1\u9053\u7684\u60c5\u51b5\u9664\u5916\uff09\u3002\u7136\u800c\uff0c\u6709\u65f6\u4e00\u4e2a\u4e3b\u673a\u8981\u5411\u7f51\u4e0a\u7684\u6240\u6709\u5176\u4ed6\u4e3b\u673a\u53d1\u9001\u5e27\uff0c\u8fd9\u5c31\u662f\u5e7f\u64ad\u3002\u901a\u8fc7ARP\u548cRARP\u53ef\u4ee5\u770b\u5230\u8fd9\u4e00\u8fc7\u7a0b\u3002\u591a\u64ad(multicast) \u5904\u4e8e\u5355\u64ad\u548c\u5e7f\u64ad\u4e4b\u95f4\uff1a\u5e27\u4ec5\u4f20\u9001\u7ed9\u5c5e\u4e8e\u591a\u64ad\u7ec4\u7684\u591a\u4e2a\u4e3b\u673a\u3002<\/p>\n<p>&nbsp;<\/p>\n<\/section>\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%; text-align: center; justify-content: center;\">\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; align-self: flex-end; min-width: 10%; height: auto; line-height: 1; letter-spacing: 0px;\">\n<section style=\"margin-right: 0%; margin-left: 0%; transform: translate3d(-10px, 0px, 0px);\">\n<section style=\"color: #7342d7; font-size: 32px; padding-right: 18px; padding-left: 18px; letter-spacing: 0px; line-height: 1;\"><strong>05<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"margin-top: -14px; margin-right: 0%; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; height: 18px; vertical-align: top; overflow: hidden; background-color: rgba(149, 114, 239, 0.12);\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; align-self: flex-end; flex: 100 100 0%; height: auto; padding-left: 6px; margin-left: -30px; border-style: none; border-width: 0px; border-right-color: #9572ef;\">\n<section style=\"color: #7342d7; text-align: left; letter-spacing: 1px;\"><strong> \u00a0\u6cdb\u6d2a<\/strong><\/p>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 4px; margin-left: 0%;\">\n<section style=\"background-color: #9572ef; height: 1px;\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: unset;\">\n<section class=\"mp_profile_iframe_wrp\"><\/section>\n<p><span style=\"color: #1a7f09;\"><strong>5.1\u00a0 \u6cdb\u6d2a\u7684\u5b9a\u4e49<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u5728CISCO\u8bbe\u5907\u4e0a\u6709\u4e2a\u6982\u5ff5\u53eb\u6cdb\u6d2a\u3002\u5982\u679c\u6709\u5b66\u8bbe\u5907\u7684\uff0c\u6211\u8fd9\u91cc\u987a\u4fbf\u5bf9\u6bd4\u8bb2\u4e0b\uff0c\u6bd4\u5982\u73b0\u5728\u6709\u4e2a\u4fe1\u606f\u5305\u8fdb\u6765\uff0c\u4ece\u6211\u4eec\u4ea4\u6362\u673a\u67d0\u4e2a\u7aef\u53e3\u8fdb\u6765\uff0c\u4ed6\u8981\u5bfb\u8d28\u5982\u679c\u4e8b\u5148\u6ca1\u6709\u5730\u5740\u90a3\u4e48\u4ed6\u5c31\u4f1a\u7ed9\u6bcf\u4e2a\u7aef\u53e3\u53d1\u4fe1\u606f\uff0c\u5305\u62ec\u81ea\u5df1\uff0c\u6765\u6c42\u8bc1\u662f\u5426\u662f\u5bf9\u65b9\u3002\u6240\u4ee5\u4ea4\u6362\u673a\u4e0d\u80fd\u5c4f\u853d\u5e7f\u64ad\u800c\u8def\u7531\u5668\u53ef\u4ee5\uff0c\u56e0\u4e3a\u4ed6\u6709\u8bb0\u5fc6\u529f\u80fd,\u53ef\u4ee5\u5f62\u6210\u8def\u7531\u8868\u3002\u800c\u8bbe\u5907\u4e0a\u7684\u6cdb\u6d2a\u5462\u4ed6\u7684\u610f\u601d\u662f\u7ed9\u6240\u6709\u7aef\u53e3\u53d1\u9664\u4e86\u81ea\u5df1\uff0c\u5927\u5bb6\u5bf9\u8bb0\u4e0b\u8fd9\u4e24\u4e2a\u6982\u5ff5.\u800c\u6211\u4eecIP\u5730\u5740\u4e0a\u7684\u5e7f\u64ad\u5730\u5740\u7684\u6982\u5ff5\uff1aIP\u5730\u5740\u662f\u75312\u8fdb\u5236\u7ec4\u6210\uff0c\u5f53\u5168\u4e3a\u4e00\u65f6\uff0c\u8868\u793a\u5e7f\u64ad\u5730\u5740\u3002\u5e7f\u64ad\u5730\u5740\u4e3b\u673a\u90fd\u4e3a1.\u4e3b\u673a\u5168\u4e3a0\u7684\u8bdd\u662f\u7f51\u6bb5\u8868\u793a\u4e00\u4e2a\u7f51\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>5.2\u00a0 \u00a0\u7f51\u7edc\u6cdb\u6d2a<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u4ece\u5b9a\u4e49\u4e0a\u8bf4\uff0c\u653b\u51fb\u8005\u5bf9\u7f51\u7edc\u8d44\u6e90\u53d1\u9001\u8fc7\u91cf\u6570\u636e\u65f6\u5c31\u53d1\u751f\u4e86\u6d2a\u6c34\u653b\u51fb\uff0c\u8fd9\u4e2a\u7f51\u7edc\u8d44\u6e90\u53ef\u4ee5\u662frouter\uff0cswitch\uff0chost\uff0capplication\u7b49\u3002\u5e38\u89c1\u7684\u6d2a\u6c34\u653b\u51fb\u5305\u542bMAC\u6cdb\u6d2a\uff0c\u7f51\u7edc\u6cdb\u6d2a\uff0cTCP SYN\u6cdb\u6d2a\u548c\u5e94\u7528\u7a0b\u5e8f\u6cdb\u6d2a\u3002\u63a5\u4e0b\u6765\u7b80\u5355\u7684\u5206\u522b\u89e3\u91ca\u4e00\u4e0b\u4ee5\u4e0a\u8fd9\u4e9b\uff1a<\/p>\n<p>\u30101\u3011MAC\u6cdb\u6d2a\u53d1\u751f\u5728OSI\u7b2c\u4e8c\u5c42\uff0c\u653b\u51fb\u8005\u8fdb\u5165LAN\u5185\uff0c\u5c06\u5047\u5192\u6e90MAC\u5730\u5740\u548c\u76ee\u7684MAC\u5730\u5740\u5c06\u6570\u636e\u5e27\u53d1\u9001\u5230\u4ee5\u592a\u7f51\u4e0a\u5bfc\u81f4\u4ea4\u6362\u673a\u7684\u5185\u5bb9\u53ef\u5bfb\u5740\u5b58\u50a8\u5668\uff08CAM\uff09\u6ee1\u6389\uff0c\u7136\u540e\u4ea4\u6362\u673a\u5931\u53bb\u8f6c\u53d1\u529f\u80fd\uff0c\u5bfc\u81f4\u653b\u51fb\u8005\u53ef\u4ee5\u50cf\u5728\u5171\u4eab\u5f0f\u4ee5\u592a\u7f51\u4e0a\u5bf9\u67d0\u4e9b\u5e27\u8fdb\u884c\u55c5\u63a2\uff0c\u8fd9\u79cd\u653b\u51fb\u53ef\u4ee5\u901a\u8fc7\u7aef\u53e3\u5b89\u5168\u6280\u672f\u65b9\u5f0f\uff0c\u6bd4\u5982\u7aef\u53e3\u548cMAC\u5730\u5740\u7ed1\u5b9a\u3002<\/p>\n<p>\u30102\u3011\u7f51\u7edc\u6cdb\u6d2a\u5305\u62ecSmurf\u548cDDos\uff1a<br \/>\nsmurf\u53d1\u751f\u5728OSI\u7b2c\u4e09\u5c42\uff0c\u5c31\u662f\u5047\u5192ICMP\u5e7f\u64adping\uff0c\u5982\u679c\u8def\u7531\u5668\u6ca1\u6709\u5173\u95ed\u5b9a\u5411\u5e7f\u64ad\uff0c\u90a3\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u5728\u67d0\u4e2a\u7f51\u7edc\u5185\u5bf9\u5176\u5b83\u7f51\u7edc\u53d1\u9001\u5b9a\u5411\u5e7f\u64ad ping\uff0c\u90a3\u4e2a\u7f51\u7edc\u4e2d\u7684\u4e3b\u673a\u8d8a\u662f\u591a\uff0c\u9020\u6210\u7684\u7ed3\u679c\u8d8a\u662f\u4e25\u91cd\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u4e3b\u673a\u9ed8\u8ba4\u90fd\u4f1a\u54cd\u5e94\u8fd9\u4e2aping\uff0c\u5bfc\u81f4\u94fe\u8def\u6d41\u91cf\u8fc7\u5927\u800c\u62d2\u7edd\u670d\u52a1\uff0c\u6240\u4ee5\u5c5e\u4e8e\u589e\u5e45\u6cdb\u6d2a\u653b\u51fb\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u5bf9\u672c\u7f51\u7edc\u53d1\u9001\u5e7f\u64adping\u3002<\/p>\n<p>\u30103\u3011DDos\u53d1\u751f\u5728OSI\u7b2c\u4e09\u3001\u56db\u5c42\uff0c\u653b\u51fb\u4fb5\u5165\u8bb8\u591a\u56e0\u7279\u7f51\u4e0a\u7684\u7cfb\u7edf\uff0c\u5c06DDos\u63a7\u5236\u8f6f\u4ef6\u5b89\u88c5\u8fdb\u53bb\uff0c\u7136\u540e\u8fd9\u4e9b\u7cfb\u7edf\u518d\u53bb\u611f\u67d3\u5176\u5b83\u7cfb\u7edf\uff0c\u901a\u8fc7\u8fd9\u4e9b\u4ee3\u7406\uff0c\u653b\u51fb\u8005\u5c06\u653b\u51fb\u6307\u4ee4\u53d1\u9001\u7ed9DDos\u63a7\u5236\u8f6f\u4ef6\uff0c\u7136\u540e\u8fd9\u4e2a\u7cfb\u7edf\u5c31\u53bb\u63a7\u5236\u4e0b\u9762\u7684\u4ee3\u7406\u7cfb\u7edf\u53bb\u5bf9\u67d0\u4e2aIP\u5730\u5740\u53d1\u9001\u5927\u91cf\u5047\u5192\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u7136\u540e\u53d7\u653b\u51fb\u8005\u7684\u7f51\u7edc\u5c06\u88ab\u8fd9\u4e9b\u5047\u7684\u6d41\u91cf\u6240\u5360\u636e\u5c31\u65e0\u6cd5\u4e3a\u4ed6\u4eec\u7684\u6b63\u5e38\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u4e86\u3002<\/p>\n<p>\u30104\u3011TCP SYN\u6cdb\u6d2a\u53d1\u751f\u5728OSI\u7b2c\u56db\u5c42\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5229\u7528TCP\u534f\u8bae\u7684\u7279\u6027\uff0c\u5c31\u662f\u4e09\u6b21\u63e1\u624b\u3002\u653b\u51fb\u8005\u53d1\u9001TCP SYN\uff0cSYN\u662fTCP\u4e09\u6b21\u63e1\u624b\u4e2d\u7684\u7b2c\u4e00\u4e2a\u6570\u636e\u5305\uff0c\u800c\u5f53\u670d\u52a1\u5668\u8fd4\u56deACK\u540e\uff0c\u6539\u653b\u51fb\u8005\u5c31\u4e0d\u5bf9\u4e4b\u8fdb\u884c\u518d\u786e\u8ba4\uff0c\u90a3\u8fd9\u4e2aTCP\u8fde\u63a5\u5c31\u5904\u4e8e\u6302\u8d77\u72b6\u6001\uff0c\u4e5f\u5c31\u662f\u6240\u8c13\u7684\u534a\u8fde\u63a5\u72b6\u6001\uff0c\u670d\u52a1\u5668\u6536\u4e0d\u5230\u518d\u786e\u8ba4\u7684\u8bdd\uff0c\u8fd8\u4f1a\u91cd\u590d\u53d1\u9001ACK\u7ed9\u653b\u51fb\u8005\u3002\u8fd9\u6837\u66f4\u52a0\u4f1a\u6d6a\u8d39\u670d\u52a1\u5668\u7684\u8d44\u6e90\u3002\u653b\u51fb\u8005\u5c31\u5bf9\u670d\u52a1\u5668\u53d1\u9001\u975e\u5e38\u5927\u91cf\u7684\u8fd9\u79cdTCP\u8fde\u63a5\uff0c\u7531\u4e8e\u6bcf\u4e00\u4e2a\u90fd\u6ca1\u6cd5\u5b8c\u6210\u4e09\u6b21\u63e1\u624b\uff0c\u6240\u4ee5\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u8fd9\u4e9bTCP\u8fde\u63a5\u4f1a\u56e0\u4e3a\u6302\u8d77\u72b6\u6001\u800c\u6d88\u8017CPU\u548c\u5185\u5b58\uff0c\u6700\u540e\u670d\u52a1\u5668\u53ef\u80fd\u6b7b\u673a\uff0c\u5c31\u65e0\u6cd5\u4e3a\u6b63\u5e38\u7528\u6237\u63d0\u4f9b\u670d\u52a1\u4e86\u3002<\/p>\n<section class=\"mp_profile_iframe_wrp\"><\/section>\n<p>\u30105\u3011\u6700\u540e\u5e94\u7528\u7a0b\u5e8f\u6cdb\u6d2a\u53d1\u751f\u5728OSI\u7b2c\u4e03\u5c42\uff0c\u76ee\u7684\u662f\u6d88\u8017\u5e94\u7528\u7a0b\u5e8f\u6216\u7cfb\u7edf\u8d44\u6e90\uff0c\u6bd4\u8f83\u5e38\u89c1\u7684\u5e94\u7528\u7a0b\u5e8f\u6cdb\u6d2a\u662f\u4ec0\u4e48\u5462\uff1f\u6ca1\u9519\uff0c\u5c31\u662f\u5783\u573e\u90ae\u4ef6\uff0c\u4f46\u4e00\u822c\u65e0\u6cd5\u4ea7\u751f\u4e25\u91cd\u7684\u7ed3\u679c\u3002\u5176\u5b83\u7c7b\u578b\u7684\u5e94\u7528\u7a0b\u5e8f\u6cdb\u6d2a\u53ef\u80fd\u662f\u5728\u670d\u52a1\u5668\u4e0a\u6301\u7eed\u8fd0\u884c\u9ad8CPU\u6d88\u8017\u7684\u7a0b\u5e8f\u6216\u8005\u7528\u6301\u7eed\u4e0d\u65ad\u7684\u8ba4\u8bc1\u8bf7\u6c42\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6cdb\u6d2a\u653b\u51fb\uff0c\u610f\u601d\u5c31\u662f\u5f53TCP\u8fde\u63a5\u5b8c\u6210\u540e\uff0c\u5728\u670d\u52a1\u5668\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u7684\u65f6\u5019\u505c\u6b62\u54cd\u5e94\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>5.1\u00a0 \u51b2\u7a81\u57df\uff08\u7269\u7406\u5206\u6bb5\uff09<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u8fde\u63a5\u5728\u540c\u4e00\u5bfc\u7ebf\u4e0a\u7684\u6240\u6709\u5de5\u4f5c\u7ad9\u7684\u96c6\u5408\uff0c\u6216\u8005\u8bf4\u662f\u540c\u4e00\u7269\u7406\u7f51\u6bb5\u4e0a\u6240\u6709\u8282\u70b9\u7684\u96c6\u5408\u6216\u4ee5\u592a\u7f51\u4e0a\u7ade\u4e89\u540c\u4e00\u5e26\u5bbd\u7684\u8282\u70b9\u96c6\u5408\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u7528Hub\u6216\u8005Repeater\u8fde\u63a5\u7684\u6240\u6709\u8282\u70b9\u53ef\u4ee5\u88ab\u8ba4\u4e3a\u662f\u5728\u540c\u4e00\u4e2a\u51b2\u7a81\u57df\u5185\uff0c\u5b83\u4e0d\u4f1a\u5212\u5206\u51b2\u7a81\u57df\u3002\u7531\u4e8e\u5e7f\u64ad\u57df\u88ab\u8ba4\u4e3a\u662fOSI\u4e2d\u7684\u7b2c\u4e8c\u5c42\u6982\u5ff5\uff0c\u6240\u4ee5\u8c61 Hub\uff0c\u4ea4\u6362\u673a\u7b49\u7b2c\u4e00\uff0c\u7b2c\u4e8c\u5c42\u8bbe\u5907\u8fde\u63a5\u7684\u8282\u70b9\u88ab\u8ba4\u4e3a\u90fd\u662f\u5728\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>5.2\u00a0 \u51b2\u7a81\u57df\uff08Collision Domain\uff09<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u4e00\u7ec4\u4e0e\u540c\u4e00\u6761\u7269\u7406\u4ecb\u8d28\u76f8\u8fde\u7684\u8bbe\u5907\uff0c\u5176\u4e2d\u4efb\u4f55\u4e24\u53f0\u8bbe\u5907\u540c\u65f6\u8bbf\u95ee\u8be5\u4ecb\u8d28\u90fd\u5c06\u5bfc\u81f4\u51b2\u7a81\uff0c\u51b2\u7a81\u57df\u4e2d\u540c\u4e00\u65f6\u95f4\u5185\u53ea\u6709\u4e00\u53f0\u673a\u5668\u80fd\u591f\u53d1\u9001\u6570\u636e\u3002<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>5.3\u00a0 \u5e7f\u64ad\u57df\uff08Broadcast Domain\uff09<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u7f51\u7edc\u4e2d\u4e00\u7ec4\u76f8\u4e92\u63a5\u6536\u5e7f\u64ad\u6d88\u606f\u7684\u8bbe\u5907\u3002<\/p>\n<p>\u7b2c\u4e00\u5c42\u8bbe\u5907\u5982\u96c6\u7ebf\u5668\uff0c\u4e0e\u4e4b\u8fde\u63a5\u7684\u6240\u6709\u8bbe\u5907\u90fd\u5c5e\u4e8e\u540c\u4e00\u4e2a\u51b2\u7a81\u57df\u548c\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df\uff1b<\/p>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e8c\u5c42\u8bbe\u5907\u5982\u4ea4\u6362\u673a\u548c\u7f51\u6865\uff0c\u5c06\u7f51\u7edc\u5212\u5206\u6210\u591a\u4e2a\u7f51\u6bb5\uff0c\u6bcf\u4e2a\u7f51\u6bb5\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u51b2\u7a81\u57df\uff0c\u4f46\u662f\u76f8\u8fde\u7684\u6240\u6709\u8bbe\u5907\u662f\u4e00\u4e2a\u5e7f\u64ad\u57df\uff0c\u4ea4\u6362\u673a\u7684\u6bcf\u4e2a\u7aef\u53e3\u5c31\u662f\u4e00\u4e2a\u51b2\u7a81\u57df\uff1b<\/p>\n<p>\u7b2c\u4e09\u5c42\u8bbe\u5907\u5982\u8def\u7531\u5668\uff0c\u5c06\u7f51\u7edc\u5212\u5206\u4e3a\u591a\u4e2a\u51b2\u7a81\u57df\u548c\u5e7f\u64ad\u57df\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4ee5\u592a\u7f51\u4f7f\u7528\u8f7d\u6ce2\u4fa6\u542c\u591a\u8def\u8bbf\u95ee\/\u51b2\u7a81\u68c0\u6d4b\uff08Carrier Sense Multi-Access\/Collision Detection\uff09\u6280\u672f\u4ee5\u51cf\u5c11\u51b2\u7a81\u7684\u53d1\u751f\u3002\u5373\uff0c\u4e8c\u5c42\u5e7f\u64ad\u5e27\u8986\u76d6\u7684\u8303\u56f4\u5c31\u662f\u5e7f\u64ad\u57df\uff1b\u4e8c\u5c42\u5355\u64ad\u5e27\u8986\u76d6\u7684\u8303\u56f4\u5c31\u662f\u51b2\u7a81\u57df\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #1a7f09;\"><strong>5.4 \u00a0\u89e3\u51b3\u529e\u6cd5\uff1aVLAN\u6280\u672f<\/strong><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>VLAN(Virtual Local Area Networks)\u6280\u672f\u628a\u7528\u6237\u5212\u5206\u6210\u591a\u4e2a\u903b\u8f91\u7684\u7f51\u7edc(group)\uff0c\u7ec4\u5185\u53ef\u4ee5\u901a\u4fe1\uff0c\u7ec4\u95f4\u4e0d\u5141\u8bb8\u901a\u4fe1\u3002\u4e8c\u5c42\u8f6c\u53d1\u7684\u5355\u64ad\u3001\u7ec4\u64ad\u3001\u5e7f\u64ad\u62a5\u6587\u53ea\u80fd\u5728\u7ec4\u5185\u8f6c\u53d1\uff0c\u5e76\u4e14\u5f88\u5bb9\u6613\u5730\u5b9e\u73b0\u7ec4\u6210\u5458\u7684\u6dfb\u52a0\u6216\u5220\u9664\u3002VLAN\u6280\u672f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7ba1\u7406\u624b\u6bb5\uff0c\u63a7\u5236\u7ec8\u7aef\u4e4b\u95f4\u7684\u4e92\u901a\u3002<\/p>\n<section class=\"mp_profile_iframe_wrp\"><\/section>\n<p>\u4e00\u4e2aVLAN\u5185\u7684\u5e7f\u64ad\u6570\u636e\u5e27\u5e76\u4e0d\u4f1a\u88ab\u6cdb\u6d2a\u5230\u53e6\u4e00\u4e2aVLAN\u6765\uff0c\u56e0\u4e3a\u4ed6\u4eec\u5904\u4e8e\u4e0d\u540c\u7684\u5e7f\u64ad\u57df\u3002<\/p>\n<p>\u5982\u4e0b\u56fe\uff0c\u7ec41\u548c\u7ec42\u7684PC\u65e0\u6cd5\u76f8\u4e92\u901a\u4fe1\u3002<\/p>\n<\/section>\n<section>\n<section style=\"vertical-align: middle; display: inline-block; line-height: 0;\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/www.xh86.me\/wp-content\/uploads\/2022\/05\/wxsync-2022-05-d1488655f192346f836a315e87f10925.jpeg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  decoding=\"async\" class=\"rich_pages wxw-img\" style=\"vertical-align: middle; box-sizing: border-box;\" data-original=\"https:\/\/www.xh86.me\/wp-content\/uploads\/2022\/05\/wxsync-2022-05-d1488655f192346f836a315e87f10925.jpeg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" data-ratio=\"0.5244444\" data-type=\"jpeg\" data-w=\"900\" \/><\/div><\/section>\n<\/section>\n<section style=\"text-align: unset;\">&nbsp;<\/p>\n<\/section>\n<section>\n<section style=\"display: flex; flex-flow: row nowrap; margin: 10px 0%; text-align: center; justify-content: center;\">\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; flex: 0 0 auto; align-self: flex-end; min-width: 10%; height: auto; line-height: 1; letter-spacing: 0px;\">\n<section style=\"margin-right: 0%; margin-left: 0%; transform: translate3d(-10px, 0px, 0px);\">\n<section style=\"color: #7342d7; font-size: 32px; padding-right: 18px; padding-left: 18px; letter-spacing: 0px; line-height: 1;\"><strong>06<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"margin-top: -14px; margin-right: 0%; margin-left: 0%;\">\n<section style=\"display: inline-block; width: 100%; height: 18px; vertical-align: top; overflow: hidden; background-color: rgba(149, 114, 239, 0.12);\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block; vertical-align: bottom; width: auto; align-self: flex-end; flex: 100 100 0%; height: auto; padding-left: 6px; margin-left: -30px; border-style: none; border-width: 0px; border-right-color: #9572ef;\">\n<section style=\"color: #7342d7; text-align: left; letter-spacing: 1px;\"><strong>\u00a0 \u00a0\u5c0f\u7ed3\uff1a<\/strong><\/p>\n<\/section>\n<section style=\"margin-right: 0%; margin-bottom: 4px; margin-left: 0%;\">\n<section style=\"background-color: #9572ef; height: 1px;\">\n<section><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: unset;\">&nbsp;<\/p>\n<p>\u4e00\u4e2aVLAN\u4e2d\u6240\u6709\u8bbe\u5907\u90fd\u662f\u5728\u540c\u4e00\u5e7f\u64ad\u57df\u5185\uff0c\u4e0d\u540c\u7684VLAN\u4e3a\u4e0d\u540c\u7684\u5e7f\u64ad\u57df\uff1b<\/p>\n<p>&nbsp;<\/p>\n<p>VLAN\u4e4b\u95f4\u4e92\u76f8\u9694\u79bb\uff0c\u5e7f\u64ad\u4e0d\u80fd\u8de8\u8d8aVLAN\u4f20\u64ad\uff0c\u56e0\u6b64\u4e0d\u540cVLAN\u4e4b\u95f4\u7684\u8bbe\u5907\u4e00\u822c\u65e0\u6cd5\u4e92\u8bbf\uff0c\u4e0d\u540cVLAN\u95f4\u9700\u901a\u8fc7\u4e09\u5c42\u8bbe\u5907\u5b9e\u73b0\u76f8\u4e92\u901a\u4fe1\uff1b<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e00\u4e2aVLAN\u4e00\u822c\u4e3a\u4e00\u4e2a\u903b\u8f91\u5b50\u7f51\uff1b<\/p>\n<p>&nbsp;<\/p>\n<p>VLAN\u4e2d\u6210\u5458\u591a\u57fa\u4e8e\u4ea4\u6362\u673a\u7684\u63a5\u53e3\u5206\u914d\uff0c\u5212\u5206VLAN\u5c31\u662f\u5bf9\u4ea4\u6362\u673a\u7684\u63a5\u53e3\u5212\u5206\uff1b<\/p>\n<p>&nbsp;<\/p>\n<p>\u53e6\u5916\uff0c\u534e\u4e3a\u4ea4\u6362\u673a\u4e5f\u652f\u6301\u57fa\u4e8eIP\u5730\u5740\u5212\u5206VLAN\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>VLAN\u5de5\u4f5c\u4e8eOSI\u53c2\u8003\u6a21\u578b\u7684\u7b2c\u4e8c\u5c42\uff1b<\/p>\n<p>&nbsp;<\/p>\n<p>VLAN\u662f\u4e8c\u5c42\u4ea4\u6362\u673a\u7684\u4e00\u4e2a\u975e\u5e38\u6839\u672c\u7684\u5de5\u4f5c\u673a\u5236\u3002<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; 01 \u00a0\u7ec4\u64ad &nbsp; 1.1\u00a0 \u7ec4\u64ad\u7684\u7279\u70b9 \u00a0 \u30101\u3011\u4ec0\u4e48\u662f\u7ec4\u64ad\uff1f \u7ec4\u64ad\u662f\u4e00\u79cd\u6570\u636e\u5305\u4f20\u8f93\u65b9 [&hellip;]<\/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-9728","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\/9728","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=9728"}],"version-history":[{"count":1,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9728\/revisions"}],"predecessor-version":[{"id":9962,"href":"https:\/\/www.xh86.me\/index.php?rest_route=\/wp\/v2\/posts\/9728\/revisions\/9962"}],"wp:attachment":[{"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xh86.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}