{"id":1934,"date":"2026-04-16T16:00:01","date_gmt":"2026-04-16T08:00:01","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=1934"},"modified":"2026-04-16T17:14:38","modified_gmt":"2026-04-16T09:14:38","slug":"%e5%86%b2%e7%aa%81%e5%9f%9f%e5%92%8c%e5%b9%bf%e6%92%ad%e5%9f%9f%ef%bc%8c%e5%85%b6%e5%ae%9e%e6%98%af%e5%9c%a8%e8%80%83%e8%ae%be%e5%a4%87%e5%b7%a5%e4%bd%9c%e5%b1%82%e6%ac%a1-%e8%bd%ac","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/16\/%e5%86%b2%e7%aa%81%e5%9f%9f%e5%92%8c%e5%b9%bf%e6%92%ad%e5%9f%9f%ef%bc%8c%e5%85%b6%e5%ae%9e%e6%98%af%e5%9c%a8%e8%80%83%e8%ae%be%e5%a4%87%e5%b7%a5%e4%bd%9c%e5%b1%82%e6%ac%a1-%e8%bd%ac\/preluna\/text\/","title":{"rendered":"\u51b2\u7a81\u57df\u548c\u5e7f\u64ad\u57df\uff0c\u5176\u5b9e\u662f\u5728\u8003\u201c\u8bbe\u5907\u5de5\u4f5c\u5c42\u6b21 + \u8f6c\u53d1\u65b9\u5f0f + \u7f51\u7edc\u8303\u56f4\u201d"},"content":{"rendered":"\n<p>\u8fd9\u4e00\u5757\u5728 408 \u98ce\u683c\u91cc\u5f88\u559c\u6b22\u4e32\u7740\u8003\u3002\u8868\u9762\u4e0a\u770b\u662f\u5728\u95ee\u201c\u51b2\u7a81\u57df\u3001\u5e7f\u64ad\u57df\u662f\u4ec0\u4e48\u201d\uff0c\u672c\u8d28\u4e0a\u5f80\u5f80\u662f\u5728\u8003\u4e09\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0c\u67d0\u4e2a\u8bbe\u5907\u5de5\u4f5c\u5728 OSI \u7684\u54ea\u4e00\u5c42\u3002<br>\u7b2c\u4e8c\uff0c\u5b83\u8f6c\u53d1\u6570\u636e\u65f6\u4f9d\u636e\u4ec0\u4e48\u5730\u5740\u3002<br>\u7b2c\u4e09\uff0c\u5b83\u4f1a\u4e0d\u4f1a\u628a\u51b2\u7a81\u6216\u5e7f\u64ad\u7ee7\u7eed\u6269\u6563\u51fa\u53bb\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u90e8\u5206\u6700\u597d\u7684\u590d\u4e60\u65b9\u5f0f\uff0c\u4e0d\u662f\u628a\u6982\u5ff5\u5b64\u7acb\u80cc\u4e0b\u6765\uff0c\u800c\u662f\u628a\u201c\u57df + \u8bbe\u5907 + \u5730\u5740 + \u9898\u578b\u201d\u4e00\u8d77\u8bb0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u628a\u4e24\u4e2a\u201c\u57df\u201d\u771f\u6b63\u533a\u5206\u5f00<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u51b2\u7a81\u57df\u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u51b2\u7a81\u57df\uff0c\u6307\u7684\u662f\u5728\u540c\u4e00\u5171\u4eab\u4ecb\u8d28\u4e0a\uff0c\u591a\u4e2a\u7ad9\u70b9\u5982\u679c\u540c\u65f6\u53d1\u9001\u6570\u636e\uff0c\u5c31\u53ef\u80fd\u53d1\u751f\u51b2\u7a81\u7684\u90a3\u4e00\u7247\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u6982\u5ff5\u4e3b\u8981\u5bf9\u5e94\u4f20\u7edf\u4ee5\u592a\u7f51\u4e2d\u7684\u7ade\u4e89\u5f0f\u8bbf\u95ee\uff0c\u4e5f\u5c31\u662f CSMA\/CD \u7684\u8bed\u5883\u3002\u8c01\u5728\u540c\u4e00\u4e2a\u51b2\u7a81\u57df\u91cc\uff0c\u8c01\u5c31\u8981\u5171\u4eab\u4fe1\u9053\u3001\u7ade\u4e89\u53d1\u9001\uff0c\u4e00\u65e6\u540c\u65f6\u53d1\uff0c\u53ef\u80fd\u51b2\u7a81\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u51b2\u7a81\u57df\u5173\u6ce8\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5171\u4eab\u4ecb\u8d28<\/li>\n\n\n\n<li>\u662f\u5426\u4f1a\u53d1\u751f\u53d1\u9001\u51b2\u7a81<\/li>\n\n\n\n<li>\u662f\u5426\u9700\u8981\u7ade\u4e89\u4fe1\u9053<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e7f\u64ad\u57df\u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u5e7f\u64ad\u57df\uff0c\u6307\u7684\u662f\u4e00\u4e2a\u4e8c\u5c42\u5e7f\u64ad\u5e27\u80fd\u591f\u5230\u8fbe\u7684\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u76ee\u7684 MAC \u5730\u5740\u662f\u5168 1 \u7684\u5e7f\u64ad\u5e27\uff0c\u80fd\u88ab\u6269\u6563\u5230\u54ea\u91cc\uff0c\u54ea\u91cc\u5c31\u662f\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5e7f\u64ad\u57df\u5173\u6ce8\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e7f\u64ad\u5e27\u662f\u5426\u4f1a\u88ab\u8f6c\u53d1<\/li>\n\n\n\n<li>\u5e7f\u64ad\u6d88\u606f\u80fd\u4f20\u64ad\u5230\u591a\u5927\u8303\u56f4<\/li>\n\n\n\n<li>\u54ea\u4e9b\u4e3b\u673a\u90fd\u80fd\u6536\u5230\u540c\u4e00\u4e2a\u5e7f\u64ad<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u201c\u57df\u201d\u4e0d\u662f\u4e00\u56de\u4e8b\u3002<br>\u51b2\u7a81\u57df\u5173\u6ce8\u201c\u4f1a\u4e0d\u4f1a\u649e\u8f66\u201d\uff0c\u5e7f\u64ad\u57df\u5173\u6ce8\u201c\u5e7f\u64ad\u80fd\u4f20\u591a\u8fdc\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8fd9\u4e24\u4e2a\u6982\u5ff5\u603b\u548c\u96c6\u7ebf\u5668\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u4e00\u8d77\u8003<\/h2>\n\n\n\n<p>\u56e0\u4e3a\u4e09\u79cd\u8bbe\u5907\u5bf9\u8fd9\u4e24\u4e2a\u57df\u7684\u5f71\u54cd\u5b8c\u5168\u4e0d\u540c\uff0c\u800c\u8fd9\u6b63\u662f\u8003\u9898\u6700\u559c\u6b22\u51fa\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u79cd\u8bbe\u5907\u653e\u5728\u4e00\u8d77\u7406\u89e3<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8bbe\u5907<\/th><th>\u82f1\u6587\u540d<\/th><th>\u5de5\u4f5c\u5c42\u6b21<\/th><th>\u8f6c\u53d1\u4f9d\u636e<\/th><th>\u5bf9\u51b2\u7a81\u57df\u7684\u5f71\u54cd<\/th><th>\u5bf9\u5e7f\u64ad\u57df\u7684\u5f71\u54cd<\/th><\/tr><\/thead><tbody><tr><td>\u96c6\u7ebf\u5668<\/td><td>Hub<\/td><td>\u7269\u7406\u5c42<\/td><td>\u4e0d\u8bc6\u522b\u5730\u5740\uff0c\u53ea\u505a\u6bd4\u7279\u8f6c\u53d1\/\u518d\u751f<\/td><td>\u4e0d\u80fd\u9694\u79bb\uff0c\u6240\u6709\u7aef\u53e3\u5c5e\u4e8e\u540c\u4e00\u51b2\u7a81\u57df<\/td><td>\u4e0d\u80fd\u9694\u79bb\uff0c\u6240\u6709\u7aef\u53e3\u5c5e\u4e8e\u540c\u4e00\u5e7f\u64ad\u57df<\/td><\/tr><tr><td>\u4ea4\u6362\u673a<\/td><td>Switch<\/td><td>\u6570\u636e\u94fe\u8def\u5c42<\/td><td>MAC \u5730\u5740<\/td><td>\u80fd\u9694\u79bb\u51b2\u7a81\u57df\uff0c\u6bcf\u4e2a\u7aef\u53e3\u4e00\u4e2a\u51b2\u7a81\u57df<\/td><td>\u9ed8\u8ba4\u4e0d\u80fd\u9694\u79bb\u5e7f\u64ad\u57df\uff0c\u6574\u4e2a\u4ea4\u6362\u673a\u4e00\u822c\u5c5e\u4e8e\u4e00\u4e2a\u5e7f\u64ad\u57df<\/td><\/tr><tr><td>\u8def\u7531\u5668<\/td><td>Router<\/td><td>\u7f51\u7edc\u5c42<\/td><td>IP \u5730\u5740<\/td><td>\u80fd\u9694\u79bb<\/td><td>\u80fd\u9694\u79bb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8fd9\u5f20\u8868\u662f\u8fd9\u90e8\u5206\u6700\u6838\u5fc3\u7684\u603b\u8868\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u96c6\u7ebf\u5668\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u5206\u522b\u600e\u4e48\u7406\u89e3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u96c6\u7ebf\u5668 Hub\uff1a\u672c\u8d28\u662f\u201c\u5171\u4eab\u5f0f\u201d<\/h3>\n\n\n\n<p>\u96c6\u7ebf\u5668\u5de5\u4f5c\u5728\u7269\u7406\u5c42\uff0c\u5b83\u6839\u672c\u4e0d\u7406\u89e3 MAC \u5730\u5740\uff0c\u4e5f\u4e0d\u7406\u89e3\u5e27\u7ed3\u6784\u3002\u67d0\u4e2a\u7aef\u53e3\u6536\u5230\u4fe1\u53f7\u540e\uff0c\u76f4\u63a5\u5411\u5176\u4ed6\u7aef\u53e3\u8f6c\u53d1\uff0c\u76f8\u5f53\u4e8e\u628a\u5927\u5bb6\u63a5\u5230\u540c\u4e00\u6761\u5171\u4eab\u603b\u7ebf\u4e0a\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6240\u6709\u4e3b\u673a\u5171\u4eab\u5e26\u5bbd<\/li>\n\n\n\n<li>\u540c\u65f6\u53d1\u9001\u4f1a\u51b2\u7a81<\/li>\n\n\n\n<li>\u5c5e\u4e8e\u540c\u4e00\u4e2a\u51b2\u7a81\u57df<\/li>\n\n\n\n<li>\u5e7f\u64ad\u4e5f\u4f1a\u6269\u6563\u5230\u6574\u4e2a Hub \u8303\u56f4<\/li>\n\n\n\n<li>\u4e5f\u5c5e\u4e8e\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df<\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u53e5\u8bdd\u6982\u62ec\uff1a<br><strong>Hub \u65e2\u4e0d\u80fd\u5206\u9694\u51b2\u7a81\u57df\uff0c\u4e5f\u4e0d\u80fd\u5206\u9694\u5e7f\u64ad\u57df\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u5c31\u662f\u201c\u5171\u4eab\u5f0f\u4ee5\u592a\u7f51\u201d\u7684\u5178\u578b\u7279\u5f81\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4ea4\u6362\u673a Switch\uff1a\u672c\u8d28\u662f\u201c\u72ec\u4eab\u5f0f\/\u975e\u5171\u4eab\u5f0f\u201d<\/h3>\n\n\n\n<p>\u4ea4\u6362\u673a\u5de5\u4f5c\u5728\u6570\u636e\u94fe\u8def\u5c42\uff0c\u5b83\u80fd\u8bc6\u522b MAC \u5730\u5740\uff0c\u6839\u636e\u5e27\u4e2d\u7684\u76ee\u7684 MAC \u5730\u5740\u51b3\u5b9a\u4ece\u54ea\u4e2a\u7aef\u53e3\u8f6c\u53d1\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4ea4\u6362\u673a\u548c Hub \u7684\u6839\u672c\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hub \u662f\u201c\u5927\u5bb6\u5171\u7528\u4e00\u6761\u8def\u201d<\/li>\n\n\n\n<li>Switch \u662f\u201c\u6bcf\u4e2a\u7aef\u53e3\u5404\u8d70\u5404\u7684\u8def\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u4e8e\u662f\u5c31\u5f97\u5230\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u7ed3\u8bba\uff1a<\/p>\n\n\n\n<p><strong>\u4ea4\u6362\u673a\u7684\u6bcf\u4e2a\u7aef\u53e3\u90fd\u5f62\u6210\u4e00\u4e2a\u72ec\u7acb\u7684\u51b2\u7a81\u57df\u3002<\/strong><\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0cA \u8fde\u5230\u4ea4\u6362\u673a\u7684 1 \u53f7\u53e3\uff0cB \u8fde\u5230 2 \u53f7\u53e3\uff0cC \u8fde\u5230 3 \u53f7\u53e3\uff0c\u90a3\u4e48 A\u3001B\u3001C \u5206\u522b\u5904\u5728\u4e0d\u540c\u7684\u51b2\u7a81\u57df\u91cc\uff0c\u5b83\u4eec\u4e0d\u4f1a\u50cf\u63a5\u5728 Hub \u4e0a\u90a3\u6837\u5f7c\u6b64\u7ade\u4e89\u540c\u4e00\u6761\u4ecb\u8d28\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\uff0c\u666e\u901a\u4e8c\u5c42\u4ea4\u6362\u673a\u9ed8\u8ba4\u4f1a\u8f6c\u53d1\u5e7f\u64ad\u5e27\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<p><strong>\u6574\u4e2a\u4ea4\u6362\u673a\u901a\u5e38\u8fd8\u662f\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002<\/strong><\/p>\n\n\n\n<p>\u9664\u975e\u9898\u76ee\u660e\u786e\u8bf4\u505a\u4e86 VLAN \u5212\u5206\uff0c\u5426\u5219\u8003\u7814\u9898\u91cc\u9ed8\u8ba4\u4e00\u4e2a\u4ea4\u6362\u673a\u5bf9\u5e94\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<p>\u4e00\u53e5\u8bdd\u6982\u62ec\uff1a<br><strong>Switch \u80fd\u9694\u79bb\u51b2\u7a81\u57df\uff0c\u9ed8\u8ba4\u4e0d\u80fd\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8def\u7531\u5668 Router\uff1a\u672c\u8d28\u662f\u201c\u7f51\u7edc\u5c42\u8fb9\u754c\u201d<\/h3>\n\n\n\n<p>\u8def\u7531\u5668\u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\uff0c\u4f9d\u636e IP \u5730\u5740\u8f6c\u53d1\u5206\u7ec4\u3002\u8def\u7531\u5668\u9ed8\u8ba4\u4e0d\u4f1a\u8f6c\u53d1\u4e8c\u5c42\u5e7f\u64ad\uff0c\u56e0\u6b64\u5b83\u5929\u7136\u5c31\u662f\u5e7f\u64ad\u57df\u4e4b\u95f4\u7684\u8fb9\u754c\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\uff0c\u8def\u7531\u5668\u7684\u6bcf\u4e2a\u63a5\u53e3\u4e5f\u662f\u72ec\u7acb\u7f51\u6bb5\uff0c\u6240\u4ee5\u6bcf\u4e2a\u63a5\u53e3\u90a3\u4e00\u4fa7\u4e5f\u662f\u72ec\u7acb\u7684\u51b2\u7a81\u57df\u3002<\/p>\n\n\n\n<p>\u4e00\u53e5\u8bdd\u6982\u62ec\uff1a<br><strong>Router \u65e2\u80fd\u9694\u79bb\u51b2\u7a81\u57df\uff0c\u4e5f\u80fd\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u201c\u5171\u4eab\u201d\u548c\u201c\u975e\u5171\u4eab\u201d\u5230\u5e95\u600e\u4e48\u8003<\/h2>\n\n\n\n<p>\u8fd9\u4e5f\u662f\u9898\u76ee\u9ad8\u9891\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hub \u5bf9\u5e94\u5171\u4eab\u5f0f\u7f51\u7edc<\/h3>\n\n\n\n<p>\u63a5\u5728\u96c6\u7ebf\u5668\u4e0a\u7684\u6240\u6709\u4e3b\u673a\u5171\u4eab\u4e00\u6761\u5e26\u5bbd\u3002<br>\u6bd4\u5982\u4e00\u4e2a 10 Mb\/s \u7684 Hub\uff0c\u6240\u6709\u4e3b\u673a\u5171\u7528\u8fd9 10 Mb\/s\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5 Hub \u7684\u5173\u952e\u8bcd\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5171\u4eab\u4ecb\u8d28<\/li>\n\n\n\n<li>\u5171\u4eab\u5e26\u5bbd<\/li>\n\n\n\n<li>\u7ade\u4e89\u4fe1\u9053<\/li>\n\n\n\n<li>\u53ef\u80fd\u51b2\u7a81<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Switch \u5bf9\u5e94\u975e\u5171\u4eab\u5f0f\u7f51\u7edc<\/h3>\n\n\n\n<p>\u4ea4\u6362\u673a\u6bcf\u4e2a\u7aef\u53e3\u72ec\u4eab\u94fe\u8def\u5e26\u5bbd\u3002<br>\u6bd4\u5982\u4e00\u4e2a 100 Mb\/s \u4ea4\u6362\u673a\u7aef\u53e3\uff0c\u8fde\u5230\u67d0\u4e3b\u673a\u540e\uff0c\u8fd9\u6761\u94fe\u8def\u901a\u5e38\u5c31\u662f\u8be5\u4e3b\u673a\u72ec\u4eab\u7684 100 Mb\/s\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5 Switch \u7684\u5173\u952e\u8bcd\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u72ec\u4eab\u5e26\u5bbd<\/li>\n\n\n\n<li>\u70b9\u5230\u70b9\u94fe\u8def<\/li>\n\n\n\n<li>\u5fae\u5206\u6bb5<\/li>\n\n\n\n<li>\u591a\u51b2\u7a81\u57df<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u91cc\u201c\u5fae\u5206\u6bb5\u201d\u8fd9\u4e2a\u8bcd\u5f88\u7231\u8003\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u4ea4\u6362\u673a\u628a\u539f\u6765\u4e00\u4e2a\u5927\u7684\u5171\u4eab\u51b2\u7a81\u57df\uff0c\u5207\u6210\u5f88\u591a\u4e2a\u5c0f\u7684\u72ec\u7acb\u51b2\u7a81\u57df\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ea4\u6362\u673a\u8f6c\u53d1\u51b3\u7b56\u4f7f\u7528\u4ec0\u4e48\u5730\u5740<\/h2>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u5f88\u6807\u51c6\u7684\u8003\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u8fdb\u884c\u8f6c\u53d1\u51b3\u7b56\u65f6\uff0c\u4f7f\u7528\u7684\u662f\u76ee\u7684 MAC \u5730\u5740<\/h3>\n\n\n\n<p>\u66f4\u51c6\u786e\u5730\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ea4\u6362\u673a\u67e5\u770b\u5e27\u9996\u90e8\u4e2d\u7684 <strong>\u76ee\u7684 MAC \u5730\u5740<\/strong><\/li>\n\n\n\n<li>\u67e5\u627e\u81ea\u5df1\u7684\u4ea4\u6362\u8868\uff08MAC \u5730\u5740\u8868\uff09<\/li>\n\n\n\n<li>\u51b3\u5b9a\u4ece\u54ea\u4e2a\u7aef\u53e3\u8f6c\u53d1<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e8c\u5c42\u4ea4\u6362\u673a\u770b\u7684\u662f <strong>MAC \u5730\u5740<\/strong><\/li>\n\n\n\n<li>\u8def\u7531\u5668\u770b\u7684\u662f <strong>IP \u5730\u5740<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u5f88\u591a\u9898\u4f1a\u6545\u610f\u628a\u201cMAC \u5730\u5740\u201d\u548c\u201cIP \u5730\u5740\u201d\u6df7\u7740\u51fa\uff0c\u8fd9\u662f\u5178\u578b\u9677\u9631\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u8fc7\u4ea4\u6362\u673a\u8fde\u63a5\u7684\u4e00\u7ec4\u5de5\u4f5c\u7ad9\uff0c\u662f\u5426\u7ec4\u6210\u4e00\u4e2a\u51b2\u7a81\u57df\uff1f\u662f\u5426\u662f\u4e00\u4e2a\u5e7f\u64ad\u57df\uff1f<\/h2>\n\n\n\n<p>\u8fd9\u662f\u7ecf\u5178\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u8bba<\/h3>\n\n\n\n<p>\u901a\u8fc7\u4ea4\u6362\u673a\u8fde\u63a5\u7684\u4e00\u7ec4\u5de5\u4f5c\u7ad9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e0d\u662f\u4e00\u4e2a\u51b2\u7a81\u57df<\/strong><\/li>\n\n\n\n<li><strong>\u901a\u5e38\u662f\u4e00\u4e2a\u5e7f\u64ad\u57df<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u66f4\u51c6\u786e\u5730\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf\u4e2a\u4ea4\u6362\u673a\u7aef\u53e3\u5404\u81ea\u662f\u4e00\u4e2a\u72ec\u7acb\u51b2\u7a81\u57df<\/li>\n\n\n\n<li>\u6574\u4e2a\u4ea4\u6362\u673a\u9ed8\u8ba4\u5904\u4e8e\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u5982\u679c\u9898\u76ee\u95ee\u201c\u901a\u8fc7\u4ea4\u6362\u673a\u8fde\u63a5\u7684\u4e00\u7ec4\u5de5\u4f5c\u7ad9\u7ec4\u6210\u4e00\u4e2a\u51b2\u7a81\u57df\u5417\u201d\uff0c\u7b54\u6848\u662f\uff1a<strong>\u4e0d\u7ec4\u6210\u4e00\u4e2a\u51b2\u7a81\u57df\u3002<\/strong><\/p>\n\n\n\n<p>\u5982\u679c\u95ee\u201c\u7ec4\u6210\u4e00\u4e2a\u5e7f\u64ad\u57df\u5417\u201d\uff0c\u7b54\u6848\u662f\uff1a<strong>\u901a\u5e38\u7ec4\u6210\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">16 \u63a5\u53e3\u96c6\u7ebf\u5668\u7684\u51b2\u7a81\u57df\u548c\u5e7f\u64ad\u57df\u5404\u6709\u591a\u5c11\u4e2a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u8bba<\/h3>\n\n\n\n<p>\u4e00\u4e2a 16 \u63a5\u53e3\u7684\u96c6\u7ebf\u5668\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51b2\u7a81\u57df\uff1a<strong>1 \u4e2a<\/strong><\/li>\n\n\n\n<li>\u5e7f\u64ad\u57df\uff1a<strong>1 \u4e2a<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e0<\/h3>\n\n\n\n<p>\u56e0\u4e3a Hub \u53ea\u662f\u7269\u7406\u5c42\u8bbe\u5907\uff0c\u5b83\u4e0d\u4f1a\u5206\u9694\u4efb\u4f55\u57df\u3002\u6240\u6709\u7aef\u53e3\u90fd\u76f8\u5f53\u4e8e\u6302\u5728\u540c\u4e00\u6761\u5171\u4eab\u4ecb\u8d28\u4e0a\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e0d\u7ba1 4 \u4e2a\u53e3\u30018 \u4e2a\u53e3\u300116 \u4e2a\u53e3\uff0c\u672c\u8d28\u90fd\u4e00\u6837\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51b2\u7a81\u57df\u59cb\u7ec8 1 \u4e2a<\/li>\n\n\n\n<li>\u5e7f\u64ad\u57df\u59cb\u7ec8 1 \u4e2a<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">16 \u63a5\u53e3\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u7684\u51b2\u7a81\u57df\u548c\u5e7f\u64ad\u57df\u5404\u6709\u591a\u5c11\u4e2a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ed3\u8bba<\/h3>\n\n\n\n<p>\u4e00\u4e2a 16 \u63a5\u53e3\u7684\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51b2\u7a81\u57df\uff1a<strong>16 \u4e2a<\/strong><\/li>\n\n\n\n<li>\u5e7f\u64ad\u57df\uff1a<strong>1 \u4e2a<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u56e0<\/h3>\n\n\n\n<p>\u4ea4\u6362\u673a\u6bcf\u4e2a\u7aef\u53e3\u4e00\u4e2a\u72ec\u7acb\u51b2\u7a81\u57df\uff0c\u6240\u4ee5 16 \u4e2a\u7aef\u53e3\u5c31\u662f 16 \u4e2a\u51b2\u7a81\u57df\u3002<br>\u4f46\u9ed8\u8ba4\u4e0d\u9694\u79bb\u5e7f\u64ad\uff0c\u6240\u4ee5\u6574\u4e2a\u4ea4\u6362\u673a\u8fd8\u662f 1 \u4e2a\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\uff0c\u8fd9\u91cc\u662f\u8003\u8bd5\u9ed8\u8ba4\u6a21\u578b\u3002<br>\u5982\u679c\u9898\u76ee\u660e\u786e\u8bf4\u5212\u5206\u4e86 VLAN\uff0c\u90a3\u5e7f\u64ad\u57df\u4e2a\u6570\u8981\u6309 VLAN \u6570\u6765\u7b97\uff1b\u4f46\u5982\u679c\u9898\u76ee\u6ca1\u8bf4\uff0c\u9ed8\u8ba4\u5c31\u662f 1 \u4e2a\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u4e00\u7c7b\u9898\u6700\u5e38\u89c1\u7684\u6df7\u6dc6\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df7\u6dc6 1\uff1a\u4ea4\u6362\u673a\u662f\u4e0d\u662f\u4e00\u4e2a\u51b2\u7a81\u57df<\/h3>\n\n\n\n<p>\u4e0d\u662f\u3002<br>\u4ea4\u6362\u673a\u628a\u539f\u6765\u7684\u5171\u4eab\u51b2\u7a81\u57df\u62c6\u5f00\u4e86\uff0c\u6240\u4ee5<strong>\u6bcf\u4e2a\u7aef\u53e3\u4e00\u4e2a\u51b2\u7a81\u57df<\/strong>\uff0c\u4e0d\u662f\u6574\u4e2a\u4ea4\u6362\u673a\u4e00\u4e2a\u51b2\u7a81\u57df\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df7\u6dc6 2\uff1a\u4ea4\u6362\u673a\u4f1a\u4e0d\u4f1a\u8f6c\u53d1\u5e7f\u64ad<\/h3>\n\n\n\n<p>\u666e\u901a\u4e8c\u5c42\u4ea4\u6362\u673a\u4f1a\u3002<br>\u6240\u4ee5\u5b83<strong>\u4e0d\u80fd\u9ed8\u8ba4\u9694\u79bb\u5e7f\u64ad\u57df<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df7\u6dc6 3\uff1a\u4ea4\u6362\u673a\u662f\u4e0d\u662f\u7f51\u7edc\u5c42\u8bbe\u5907<\/h3>\n\n\n\n<p>\u4e0d\u662f\u3002<br>\u8003\u7814\u9ed8\u8ba4\u91cc\uff0c\u4ea4\u6362\u673a\u662f<strong>\u6570\u636e\u94fe\u8def\u5c42\u8bbe\u5907<\/strong>\u3002<br>\u8def\u7531\u5668\u624d\u662f\u7f51\u7edc\u5c42\u8bbe\u5907\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df7\u6dc6 4\uff1aHub \u4f1a\u4e0d\u4f1a\u770b MAC \u5730\u5740<\/h3>\n\n\n\n<p>\u4e0d\u4f1a\u3002<br>Hub \u5de5\u4f5c\u5728\u7269\u7406\u5c42\uff0c\u4e0d\u7406\u89e3\u5e27\uff0c\u4e0d\u770b\u5730\u5740\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u90e8\u5206\u6700\u9002\u5408\u8bb0\u7684\u4e00\u7ec4\u201c\u79d2\u6740\u5224\u65ad\u201d<\/h2>\n\n\n\n<p>\u53ef\u4ee5\u76f4\u63a5\u8bb0\u6210\u4e0b\u9762\u8fd9\u7ec4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hub\uff1a\u7269\u7406\u5c42\uff0c\u5171\u4eab\uff0c\u4e00\u4e2a\u51b2\u7a81\u57df\uff0c\u4e00\u4e2a\u5e7f\u64ad\u57df<\/li>\n\n\n\n<li>Switch\uff1a\u6570\u636e\u94fe\u8def\u5c42\uff0c\u975e\u5171\u4eab\uff0c\u6bcf\u7aef\u53e3\u4e00\u4e2a\u51b2\u7a81\u57df\uff0c\u9ed8\u8ba4\u4e00\u4e2a\u5e7f\u64ad\u57df<\/li>\n\n\n\n<li>Router\uff1a\u7f51\u7edc\u5c42\uff0c\u9694\u79bb\u5e7f\u64ad\u57df\uff0c\u4e5f\u9694\u79bb\u51b2\u7a81\u57df<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e09\u53e5\u8bdd\u57fa\u672c\u80fd\u8986\u76d6\u5927\u591a\u6570\u9009\u62e9\u9898\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9898\u76ee\u91cc\u51fa\u73b0 HUB \u548c switch\uff0c\u8981\u600e\u4e48\u5bf9\u5e94<\/h2>\n\n\n\n<p>\u8fd9\u4e5f\u662f\u5f88\u5b9e\u7528\u7684\u4e00\u4e2a\u70b9\uff0c\u56e0\u4e3a\u8003\u9898\u6709\u65f6\u4e2d\u82f1\u6df7\u7528\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HUB = \u96c6\u7ebf\u5668<\/li>\n\n\n\n<li>switch = \u4ea4\u6362\u673a<\/li>\n\n\n\n<li>router = \u8def\u7531\u5668<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u9898\u76ee\u5199\u201cEthernet switch\u201d\uff0c\u5c31\u662f\u201c\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u8f6c\u53d1\u65f6\uff0cPDU \u5730\u5740\u5230\u5e95\u770b\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u65e2\u7136\u95ee\u5230\u4e86 PDU\uff0c\u5c31\u987a\u624b\u628a\u5c42\u6b21\u4e00\u8d77\u5bf9\u5e94\u8d77\u6765\uff0c\u8fd9\u6837\u505a\u9898\u66f4\u7a33\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u7406\u5c42 PDU\uff1a\u6bd4\u7279\u6d41<\/li>\n\n\n\n<li>\u6570\u636e\u94fe\u8def\u5c42 PDU\uff1a\u5e27<\/li>\n\n\n\n<li>\u7f51\u7edc\u5c42 PDU\uff1a\u5206\u7ec4 \/ \u6570\u636e\u62a5<\/li>\n\n\n\n<li>\u8fd0\u8f93\u5c42 PDU\uff1a\u62a5\u6587\u6bb5<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u592a\u7f51\u4ea4\u6362\u673a\u662f\u6570\u636e\u94fe\u8def\u5c42\u8bbe\u5907\uff0c\u6240\u4ee5\u5b83\u5904\u7406\u7684 PDU \u662f<strong>\u5e27<\/strong>\uff0c\u505a\u8f6c\u53d1\u51b3\u7b56\u65f6\u770b\u7684\u662f<strong>\u5e27\u4e2d\u7684\u76ee\u7684 MAC \u5730\u5740<\/strong>\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u8868\u8ff0\u6700\u6807\u51c6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">100 Mb\/s \u4ee5\u592a\u7f51\u4ea4\u6362\u673a\uff0c\u8f93\u51fa\u7aef\u53e3\u65e0\u6392\u961f\uff0c\u91c7\u7528\u76f4\u901a\u4ea4\u6362\u65b9\u5f0f\uff0c\u8f6c\u53d1\u4e00\u4e2a\u4ee5\u592a\u7f51\u5e27\u81f3\u5c11\u5f15\u5165\u591a\u5c11\u8f6c\u53d1\u65f6\u5ef6<\/h2>\n\n\n\n<p>\u8fd9\u9898\u662f\u5f88\u5178\u578b\u7684\u201c\u76f4\u901a\u4ea4\u6362 vs \u5b58\u50a8\u8f6c\u53d1\u201d\u8003\u6cd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5148\u7ed9\u7ed3\u8bba<\/h3>\n\n\n\n<p>\u81f3\u5c11\u5f15\u5165\u7684\u8f6c\u53d1\u65f6\u5ef6\u662f\uff1a<\/p>\n\n\n\n<p><code>6B \u00d7 8 \/ (100 \u00d7 10^6)<\/code> \u79d2 = <code>48 \/ 10^8<\/code> \u79d2 = <code>0.48 \u03bcs<\/code><\/p>\n\n\n\n<p>\u7b54\u6848\uff1a<strong>0.48 \u5fae\u79d2<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u662f 0.48 \u03bcs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5148\u6293\u4f4f\u201c\u76f4\u901a\u4ea4\u6362\u201d\u7684\u672c\u8d28<\/h3>\n\n\n\n<p>\u76f4\u901a\u4ea4\u6362\u4e0d\u662f\u628a\u6574\u4e2a\u5e27\u90fd\u6536\u5b8c\u518d\u53d1\uff0c\u800c\u662f<strong>\u53ea\u8981\u80fd\u786e\u5b9a\u8be5\u4ece\u54ea\u4e2a\u7aef\u53e3\u8f6c\u53d1\uff0c\u5c31\u7acb\u523b\u5f00\u59cb\u8f6c\u53d1<\/strong>\u3002<\/p>\n\n\n\n<p>\u90a3\u4ea4\u6362\u673a\u4ec0\u4e48\u65f6\u5019\u80fd\u51b3\u5b9a\u8f6c\u53d1\u7aef\u53e3\uff1f<\/p>\n\n\n\n<p>\u5b83\u9700\u8981\u5148\u8bfb\u5230 <strong>\u76ee\u7684 MAC \u5730\u5740<\/strong>\u3002<\/p>\n\n\n\n<p>\u4ee5\u592a\u7f51\u5e27\u4e2d\uff0c\u76ee\u7684 MAC \u5730\u5740\u957f\u5ea6\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6 B = 48 bit<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u53ea\u8981\u4ea4\u6362\u673a\u63a5\u6536\u5230\u8fd9 48 bit\uff0c\u5c31\u53ef\u4ee5\u67e5 MAC \u5730\u5740\u8868\uff0c\u7136\u540e\u51b3\u5b9a\u4ece\u54ea\u4e2a\u7aef\u53e3\u8f6c\u53d1\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\u6700\u5c0f\u65f6\u5ef6\u5c31\u662f\u63a5\u6536\u8fd9 48 bit \u9700\u8981\u7684\u65f6\u95f4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8ba1\u7b97\u8fc7\u7a0b<\/h2>\n\n\n\n<p>\u4f20\u8f93\u901f\u7387\u4e3a 100 Mb\/s\uff0c\u5373 <code>100 \u00d7 10^6 bit\/s<\/code><\/p>\n\n\n\n<p>\u76ee\u7684 MAC \u5730\u5740\u957f\u5ea6\u4e3a 48 bit<\/p>\n\n\n\n<p>\u6240\u4ee5\u65f6\u5ef6\uff1a<\/p>\n\n\n\n<p><code>48 \/ (100 \u00d7 10^6)<\/code> \u79d2<\/p>\n\n\n\n<p>\u6362\u7b97\u6210\u5fae\u79d2\uff1a<\/p>\n\n\n\n<p><code>0.48 \u00d7 10^-6 s = 0.48 \u03bcs<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u9898\u76ee\u7279\u522b\u5f3a\u8c03\u201c\u4e0d\u5305\u62ec\u524d\u5bfc\u7801\u201d<\/h2>\n\n\n\n<p>\u56e0\u4e3a\u4ee5\u592a\u7f51\u4e2d\u524d\u5bfc\u7801\u548c\u5e27\u5f00\u59cb\u5b9a\u754c\u7b26\u5bb9\u6613\u8ba9\u4eba\u8bef\u7b97\u3002<\/p>\n\n\n\n<p>\u8003\u7814\u91cc\u8fd9\u7c7b\u9898\u5982\u679c\u660e\u786e\u8bf4\u201c\u4e0d\u5305\u62ec\u524d\u5bfc\u7801\u201d\uff0c\u90a3\u5c31\u53ea\u4ece\u771f\u6b63\u7684\u5e27\u5b57\u6bb5\u5f00\u59cb\u8003\u8651\u3002<br>\u800c\u4ea4\u6362\u673a\u505a\u8f6c\u53d1\u51b3\u7b56\u9700\u8981\u7684\u6700\u5c0f\u4fe1\u606f\u662f<strong>\u76ee\u7684 MAC \u5730\u5740\u5b57\u6bb5<\/strong>\uff0c\u4e5f\u5c31\u662f\u524d 6B\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u9898\u4e0d\u80fd\u628a\u6574\u5e27\u6700\u5c0f\u957f\u5ea6 64B \u62ff\u6765\u7b97\uff0c\u90a3\u662f\u5b58\u50a8\u8f6c\u53d1\u601d\u8def\uff0c\u4e0d\u662f\u76f4\u901a\u4ea4\u6362\u601d\u8def\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u9898\u4e3a\u4ec0\u4e48\u5bb9\u6613\u505a\u9519<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u9519\u6cd5 1\uff1a\u628a\u6574\u5e27 64B \u90fd\u62ff\u53bb\u7b97<\/h3>\n\n\n\n<p>\u8fd9\u662f\u628a\u201c\u76f4\u901a\u4ea4\u6362\u201d\u8bef\u505a\u6210\u201c\u5b58\u50a8\u8f6c\u53d1\u4ea4\u6362\u201d\u4e86\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b58\u50a8\u8f6c\u53d1\uff1a\u6536\u5b8c\u6574\u5e27\u518d\u53d1<\/li>\n\n\n\n<li>\u76f4\u901a\u4ea4\u6362\uff1a\u8bfb\u5230\u8db3\u591f\u8f6c\u53d1\u7684\u4fe1\u606f\u5c31\u53ef\u4ee5\u53d1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9519\u6cd5 2\uff1a\u628a\u6e90 MAC \u5730\u5740\u4e5f\u7b97\u8fdb\u53bb<\/h3>\n\n\n\n<p>\u4e0d\u9700\u8981\u3002<br>\u8f6c\u53d1\u51b3\u7b56\u53ea\u9700\u8981 <strong>\u76ee\u7684 MAC \u5730\u5740<\/strong>\uff0c\u4e0d\u9700\u8981\u7b49\u6e90 MAC \u5730\u5740\u6536\u5b8c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9519\u6cd5 3\uff1a\u628a IP \u5730\u5740\u62ff\u6765\u7b97<\/h3>\n\n\n\n<p>\u8fd9\u8bf4\u660e\u628a\u4ea4\u6362\u673a\u548c\u8def\u7531\u5668\u6df7\u4e86\u3002<br>\u4ea4\u6362\u673a\u770b\u7684\u662f MAC \u5730\u5740\uff0c\u4e0d\u662f IP \u5730\u5740\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u90e8\u5206\u9898\u76ee\u7684\u7edf\u4e00\u505a\u6cd5<\/h2>\n\n\n\n<p>\u4ee5\u540e\u9047\u5230\u201c\u67d0\u8bbe\u5907\u628a\u7f51\u7edc\u5206\u6210\u51e0\u4e2a\u51b2\u7a81\u57df\u3001\u51e0\u4e2a\u5e7f\u64ad\u57df\u201d\u8fd9\u7c7b\u9898\uff0c\u5efa\u8bae\u6309\u4e0b\u9762\u987a\u5e8f\u5224\u65ad\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5148\u770b\u8bbe\u5907\u662f\u4ec0\u4e48<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hub<\/li>\n\n\n\n<li>Switch<\/li>\n\n\n\n<li>Router<\/li>\n\n\n\n<li>\u6216\u8005\u5e26 VLAN \u7684\u4ea4\u6362\u673a<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u5148\u5224\u51b2\u7a81\u57df<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hub\uff1a\u6574\u4e2a\u8bbe\u5907 1 \u4e2a\u51b2\u7a81\u57df<\/li>\n\n\n\n<li>Switch\uff1a\u6bcf\u7aef\u53e3 1 \u4e2a\u51b2\u7a81\u57df<\/li>\n\n\n\n<li>Router\uff1a\u6bcf\u63a5\u53e3 1 \u4e2a\u51b2\u7a81\u57df<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1a\u518d\u5224\u5e7f\u64ad\u57df<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hub\uff1a1 \u4e2a<\/li>\n\n\n\n<li>\u666e\u901a\u4e8c\u5c42\u4ea4\u6362\u673a\uff1a1 \u4e2a<\/li>\n\n\n\n<li>Router\uff1a\u6bcf\u63a5\u53e3\u9694\u5f00\uff0c\u591a\u4e2a\u5e7f\u64ad\u57df<\/li>\n\n\n\n<li>\u6709 VLAN\uff1a\u6bcf\u4e2a VLAN \u4e00\u4e2a\u5e7f\u64ad\u57df<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u628a\u4f60\u8fd9\u7ec4\u95ee\u9898\u7edf\u4e00\u6536\u6210\u4e00\u4e2a\u7ed3\u8bba\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9879\u76ee<\/th><th>\u7ed3\u8bba<\/th><\/tr><\/thead><tbody><tr><td>\u51b2\u7a81\u57df<\/td><td>\u53ef\u80fd\u53d1\u751f\u51b2\u7a81\u7684\u8303\u56f4<\/td><\/tr><tr><td>\u5e7f\u64ad\u57df<\/td><td>\u5e7f\u64ad\u5e27\u53ef\u4f20\u64ad\u5230\u7684\u8303\u56f4<\/td><\/tr><tr><td>\u96c6\u7ebf\u5668 Hub<\/td><td>\u7269\u7406\u5c42\u8bbe\u5907<\/td><\/tr><tr><td>\u4ea4\u6362\u673a Switch<\/td><td>\u6570\u636e\u94fe\u8def\u5c42\u8bbe\u5907<\/td><\/tr><tr><td>\u8def\u7531\u5668 Router<\/td><td>\u7f51\u7edc\u5c42\u8bbe\u5907<\/td><\/tr><tr><td>Hub \u80fd\u5426\u9694\u79bb\u51b2\u7a81\u57df<\/td><td>\u4e0d\u80fd<\/td><\/tr><tr><td>Hub \u80fd\u5426\u9694\u79bb\u5e7f\u64ad\u57df<\/td><td>\u4e0d\u80fd<\/td><\/tr><tr><td>Switch \u80fd\u5426\u9694\u79bb\u51b2\u7a81\u57df<\/td><td>\u80fd\uff0c\u6bcf\u7aef\u53e3\u4e00\u4e2a<\/td><\/tr><tr><td>Switch \u80fd\u5426\u9694\u79bb\u5e7f\u64ad\u57df<\/td><td>\u9ed8\u8ba4\u4e0d\u80fd<\/td><\/tr><tr><td>Router \u80fd\u5426\u9694\u79bb\u5e7f\u64ad\u57df<\/td><td>\u80fd<\/td><\/tr><tr><td>Router \u80fd\u5426\u9694\u79bb\u51b2\u7a81\u57df<\/td><td>\u80fd<\/td><\/tr><tr><td>\u901a\u8fc7\u4ea4\u6362\u673a\u8fde\u63a5\u7684\u4e00\u7ec4\u5de5\u4f5c\u7ad9\u662f\u5426\u7ec4\u6210\u4e00\u4e2a\u51b2\u7a81\u57df<\/td><td>\u5426<\/td><\/tr><tr><td>\u901a\u8fc7\u4ea4\u6362\u673a\u8fde\u63a5\u7684\u4e00\u7ec4\u5de5\u4f5c\u7ad9\u662f\u5426\u7ec4\u6210\u4e00\u4e2a\u5e7f\u64ad\u57df<\/td><td>\u662f\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b<\/td><\/tr><tr><td>16 \u53e3 Hub \u7684\u51b2\u7a81\u57df\u4e2a\u6570<\/td><td>1<\/td><\/tr><tr><td>16 \u53e3 Hub \u7684\u5e7f\u64ad\u57df\u4e2a\u6570<\/td><td>1<\/td><\/tr><tr><td>16 \u53e3\u4ea4\u6362\u673a\u7684\u51b2\u7a81\u57df\u4e2a\u6570<\/td><td>16<\/td><\/tr><tr><td>16 \u53e3\u4ea4\u6362\u673a\u7684\u5e7f\u64ad\u57df\u4e2a\u6570<\/td><td>1<\/td><\/tr><tr><td>\u4ea4\u6362\u673a\u8f6c\u53d1\u51b3\u7b56\u4f9d\u636e<\/td><td>\u76ee\u7684 MAC \u5730\u5740<\/td><\/tr><tr><td>100 Mb\/s \u76f4\u901a\u4ea4\u6362\u6700\u5c0f\u65f6\u5ef6<\/td><td>0.48 \u03bcs<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u540e\u7ed9\u4e00\u4e2a\u5f88\u9002\u5408\u8003\u524d\u5feb\u901f\u56de\u5fc6\u7684\u8bb0\u5fc6\u6cd5<\/h2>\n\n\n\n<p>\u53ef\u4ee5\u8bb0\u6210\u4e09\u53e5\uff1a<\/p>\n\n\n\n<p><strong>Hub \u4e0d\u5206\u57df\uff0c\u5927\u5bb6\u4e00\u8d77\u649e\uff1b<\/strong><br><strong>Switch \u5206\u51b2\u7a81\uff0c\u4e0d\u5206\u5e7f\u64ad\uff1b<\/strong><br><strong>Router 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