{"id":2296,"date":"2026-05-26T18:30:24","date_gmt":"2026-05-26T10:30:24","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2296"},"modified":"2026-05-26T18:30:25","modified_gmt":"2026-05-26T10:30:25","slug":"%e9%9b%86%e7%ba%bf%e5%99%a8%e3%80%81%e4%ba%a4%e6%8d%a2%e6%9c%ba%e3%80%81%e8%b7%af%e7%94%b1%e5%99%a8%e5%88%b0%e5%ba%95%e6%80%8e%e4%b9%88%e5%8c%ba%e5%88%86%ef%bc%9f%e8%87%aa%e5%b7%b1%e5%8f%91%e7%9a%84","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/05\/26\/%e9%9b%86%e7%ba%bf%e5%99%a8%e3%80%81%e4%ba%a4%e6%8d%a2%e6%9c%ba%e3%80%81%e8%b7%af%e7%94%b1%e5%99%a8%e5%88%b0%e5%ba%95%e6%80%8e%e4%b9%88%e5%8c%ba%e5%88%86%ef%bc%9f%e8%87%aa%e5%b7%b1%e5%8f%91%e7%9a%84\/preluna\/text\/","title":{"rendered":"\u96c6\u7ebf\u5668\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u5230\u5e95\u600e\u4e48\u533a\u5206\uff1f\u81ea\u5df1\u53d1\u7684\u5e7f\u64ad\uff0c\u81ea\u5df1\u80fd\u4e0d\u80fd\u6536\u5230\uff1f"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/05\/\u96c6\u7ebf\u5668\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u5230\u5e95\u600e\u4e48\u533a\u5206\uff1f-465x1024.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"465\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/05\/\u96c6\u7ebf\u5668\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u5230\u5e95\u600e\u4e48\u533a\u5206\uff1f-465x1024.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2297\"  sizes=\"auto, (max-width: 465px) 100vw, 465px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">(4)\u82e5\u4e3b\u673aH3 \u53d1\u9001\u4e00\u4e2a\u76ee\u7684\u5730\u5740\u4e3a192.168.1.127 \u7684IP \u6570\u636e\u62a5\uff0c\u7f51\u7edc\u4e2d\u54ea\u51e0\u4e2a\u4e3b\u673a\u4f1a\u63a5\u6536\u8be5\u6570\u636e\u57d8\u4f20\u8fbe\u4f20\u62a5\u4e20\u50fe\u7515\u5177?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u5148\u7ed9\u7ed3\u8bba\uff1a\u8bbe\u5907 1 \u5e94\u9009 <strong>\u8def\u7531\u5668<\/strong>\uff0c\u8bbe\u5907 2\u3001\u8bbe\u5907 3 \u5e94\u9009 <strong>\u4ee5\u592a\u7f51\u4ea4\u6362\u673a<\/strong>\u3002<br>\u7406\u7531\u5f88\u7b80\u5355\uff1a\u8bbe\u5907 1 \u8fde\u63a5\u7684\u662f\u4e09\u4e2a\u4e0d\u540c IP \u7f51\u6bb5\uff0c\u5fc5\u987b\u8d1f\u8d23\u4e09\u5c42\u8f6c\u53d1\uff1b\u8bbe\u5907 2 \u548c\u8bbe\u5907 3 \u53ea\u662f\u5206\u522b\u628a\u540c\u4e00\u5b50\u7f51\u5185\u7684\u4e3b\u673a\u63a5\u5230\u5bf9\u5e94\u7f51\u5173\u4e0a\uff0c\u4e8c\u5c42\u4ea4\u6362\u5373\u53ef\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u5730\u5740\u770b\uff0c\u56fe\u4e2d\u5b9e\u9645\u6709\u4e09\u4e2a\u7f51\u6bb5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7f51\u6bb5<\/th><th>\u8303\u56f4<\/th><th>\u5e7f\u64ad\u5730\u5740<\/th><th>\u4f5c\u7528<\/th><\/tr><\/thead><tbody><tr><td>192.168.1.0\/26<\/td><td>192.168.1.1 ~ 192.168.1.62<\/td><td>192.168.1.63<\/td><td>H1\u3001H2 \u6240\u5728\u7f51\u6bb5<\/td><\/tr><tr><td>192.168.1.64\/26<\/td><td>192.168.1.65 ~ 192.168.1.126<\/td><td>192.168.1.127<\/td><td>H3\u3001H4 \u6240\u5728\u7f51\u6bb5<\/td><\/tr><tr><td>192.168.1.252\/30<\/td><td>192.168.1.253\u3001192.168.1.254<\/td><td>192.168.1.255<\/td><td>R \u4e0e\u8bbe\u5907 1 \u4e4b\u95f4\u7684\u7f51\u6bb5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u8bbe\u5907 1 \u7684\u63a5\u53e3\u5e94\u914d\u7f6e\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bbe\u59071 IF1\uff1a192.168.1.254\/30\n\u8bbe\u59071 IF2\uff1a192.168.1.1\/26\n\u8bbe\u59071 IF3\uff1a192.168.1.65\/26\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bbe\u5907 2\u3001\u8bbe\u5907 3 \u662f\u666e\u901a\u4e8c\u5c42\u4ea4\u6362\u673a\uff0c\u666e\u901a\u8f6c\u53d1\u63a5\u53e3\u4e0d\u9700\u8981\u914d\u7f6e IP \u5730\u5740\u3002\u4ea4\u6362\u673a\u5373\u4f7f\u6709\u7ba1\u7406 IP\uff0c\u90a3\u4e5f\u662f\u4e3a\u4e86\u8fdc\u7a0b\u767b\u5f55\u7ba1\u7406\uff0c\u4e0d\u53c2\u4e0e\u666e\u901a\u4ee5\u592a\u7f51\u5e27\u8f6c\u53d1\uff0c408 \u9898\u76ee\u91cc\u4e00\u822c\u4e0d\u8003\u8651\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u96c6\u7ebf\u5668\u3001\u4ea4\u6362\u673a\u3001\u8def\u7531\u5668\u5230\u5e95\u600e\u4e48\u533a\u5206\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8003\u7814\u91cc\u6700\u6838\u5fc3\u7684\u5224\u65ad\u6807\u51c6\u4e0d\u662f\u201c\u957f\u5f97\u50cf\u4e0d\u50cf\u201d\uff0c\u800c\u662f\u770b\u5b83\u5de5\u4f5c\u5728\u54ea\u4e00\u5c42\u3001\u4f9d\u636e\u4ec0\u4e48\u5730\u5740\u8f6c\u53d1\u3001\u80fd\u4e0d\u80fd\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u96c6\u7ebf\u5668\uff1a\u7269\u7406\u5c42\u8bbe\u5907\uff0c\u53ea\u662f\u201c\u653e\u5927\u5e76\u8f6c\u53d1\u6bd4\u7279\u201d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u96c6\u7ebf\u5668 Hub \u5de5\u4f5c\u5728\u7269\u7406\u5c42\u3002\u5b83\u4e0d\u8ba4\u8bc6 MAC \u5730\u5740\uff0c\u4e5f\u4e0d\u8ba4\u8bc6 IP \u5730\u5740\u3002\u4e00\u4e2a\u7aef\u53e3\u6536\u5230\u6bd4\u7279\u6d41\u540e\uff0c\u57fa\u672c\u5c31\u662f\u5411\u5176\u4ed6\u7aef\u53e3\u91cd\u590d\u53d1\u9001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u96c6\u7ebf\u5668\u7684\u7279\u70b9\u662f\uff1a\u6240\u6709\u4e3b\u673a\u5171\u4eab\u540c\u4e00\u4e2a\u51b2\u7a81\u57df\uff0c\u4e5f\u5171\u4eab\u540c\u4e00\u4e2a\u5e7f\u64ad\u57df\u3002\u7528\u96c6\u7ebf\u5668\u8fde\u63a5\u8d77\u6765\u7684\u4e3b\u673a\uff0c\u672c\u8d28\u4e0a\u50cf\u6302\u5728\u4e00\u6839\u5171\u4eab\u603b\u7ebf\u4e0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u5b9e\u9645\u7f51\u7edc\u4e2d\u96c6\u7ebf\u5668\u57fa\u672c\u88ab\u6dd8\u6c70\uff0c\u4f46\u8003\u7814\u4f1a\u62ff\u5b83\u8003\u4e24\u4e2a\u70b9\uff1a\u7b2c\u4e00\uff0c\u5b83\u662f\u7269\u7406\u5c42\u8bbe\u5907\uff1b\u7b2c\u4e8c\uff0c\u5b83\u4e0d\u80fd\u9694\u79bb\u51b2\u7a81\u57df\uff0c\u4e5f\u4e0d\u80fd\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ea4\u6362\u673a\uff1a\u6570\u636e\u94fe\u8def\u5c42\u8bbe\u5907\uff0c\u6309 MAC \u5730\u5740\u8f6c\u53d1\u5e27<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ea4\u6362\u673a Switch \u5de5\u4f5c\u5728\u6570\u636e\u94fe\u8def\u5c42\u3002\u5b83\u8ba4\u8bc6 MAC \u5730\u5740\uff0c\u4f1a\u5b66\u4e60 MAC \u5730\u5740\u8868\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982 H1 \u7ed9 H2 \u53d1\u5355\u64ad\u5e27\uff0c\u4ea4\u6362\u673a\u77e5\u9053 H2 \u5728\u54ea\u4e2a\u7aef\u53e3\uff0c\u5c31\u53ea\u8f6c\u53d1\u5230\u5bf9\u5e94\u7aef\u53e3\uff0c\u800c\u4e0d\u662f\u5168\u7f51\u4e71\u53d1\u3002\u8fd9\u6837\u6bcf\u4e2a\u4ea4\u6362\u673a\u7aef\u53e3\u901a\u5e38\u662f\u4e00\u4e2a\u72ec\u7acb\u51b2\u7a81\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\u666e\u901a\u4e8c\u5c42\u4ea4\u6362\u673a\u6709\u4e00\u4e2a\u91cd\u8981\u9650\u5236\uff1a\u5b83\u4e0d\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0cARP \u8bf7\u6c42\u3001\u76ee\u7684 MAC \u4e3a FF:FF:FF:FF:FF:FF \u7684\u5e7f\u64ad\u5e27\uff0c\u4ea4\u6362\u673a\u4f1a\u6cdb\u6d2a\u5230\u9664\u5165\u7aef\u53e3\u4ee5\u5916\u7684\u6240\u6709\u7aef\u53e3\u3002\u5982\u679c\u4ea4\u6362\u673a\u6ca1\u6709 VLAN \u529f\u80fd\uff0c\u90a3\u4e48\u6574\u4e2a\u4ea4\u6362\u673a\u5c31\u662f\u4e00\u4e2a\u5927\u7684\u4e8c\u5c42\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u4ea4\u6362\u673a\u9002\u5408\u7528\u6765\u8fde\u63a5\u540c\u4e00 IP \u5b50\u7f51\u5185\u7684\u591a\u53f0\u4e3b\u673a\u3002\u4f8b\u5982\u672c\u9898\u4e2d H1 \u548c H2 \u90fd\u5728 192.168.1.0\/26 \u7f51\u6bb5\uff0c\u9ed8\u8ba4\u7f51\u5173\u90fd\u662f 192.168.1.1\uff0c\u56e0\u6b64\u8bbe\u5907 2 \u7528\u4ea4\u6362\u673a\u5373\u53ef\u3002H3 \u548c H4 \u540c\u7406\uff0c\u90fd\u5728 192.168.1.64\/26 \u7f51\u6bb5\uff0c\u9ed8\u8ba4\u7f51\u5173\u90fd\u662f 192.168.1.65\uff0c\u56e0\u6b64\u8bbe\u5907 3 \u4e5f\u7528\u4ea4\u6362\u673a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8def\u7531\u5668\uff1a\u7f51\u7edc\u5c42\u8bbe\u5907\uff0c\u6309 IP \u5730\u5740\u8f6c\u53d1\u5206\u7ec4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u5668 Router \u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\u3002\u5b83\u4f9d\u636e IP \u5730\u5740\u548c\u8def\u7531\u8868\u8f6c\u53d1 IP \u5206\u7ec4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u5668\u6700\u5173\u952e\u7684\u7279\u70b9\u662f\uff1a\u6bcf\u4e2a\u63a5\u53e3\u901a\u5e38\u5c5e\u4e8e\u4e00\u4e2a\u4e0d\u540c\u7684 IP \u7f51\u6bb5\uff0c\u5e76\u4e14\u8def\u7531\u5668\u80fd\u591f\u9694\u79bb\u5e7f\u64ad\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u91cc\uff0c\u8bbe\u5907 1 \u4e0a\u65b9\u8fde R\uff0c\u5de6\u8fb9\u8fde H1\/H2 \u6240\u5728\u7f51\u6bb5\uff0c\u53f3\u8fb9\u8fde H3\/H4 \u6240\u5728\u7f51\u6bb5\u3002\u4e5f\u5c31\u662f\u8bf4\u8bbe\u5907 1 \u8981\u8fde\u63a5\u4e09\u4e2a\u4e0d\u540c\u7f51\u6bb5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.252\/30\n192.168.1.0\/26\n192.168.1.64\/26\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u60c5\u51b5\u5fc5\u987b\u7528\u8def\u7531\u5668\u3002\u56e0\u4e3a\u4e8c\u5c42\u4ea4\u6362\u673a\u4e0d\u80fd\u5b8c\u6210\u4e0d\u540c IP \u7f51\u6bb5\u4e4b\u95f4\u7684\u4e09\u5c42\u8f6c\u53d1\uff0c\u4e5f\u4e0d\u80fd\u5145\u5f53\u8fd9\u4e9b\u4e3b\u673a\u7684\u9ed8\u8ba4\u7f51\u5173\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u4ec0\u4e48\u65f6\u5019\u8be5\u9009\u4ec0\u4e48\u8bbe\u5907\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u505a\u8fd9\u79cd\u9898\u53ef\u4ee5\u6293\u4e00\u4e2a\u6838\u5fc3\u53e3\u8bc0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u540c\u4e00\u7f51\u6bb5\u5185\u90e8\u4e92\u8fde\uff0c\u9009\u4ea4\u6362\u673a\u3002\n\u4e0d\u540c\u7f51\u6bb5\u4e4b\u95f4\u4e92\u901a\uff0c\u9009\u8def\u7531\u5668\u3002\n\u53ea\u8f6c\u53d1\u7269\u7406\u4fe1\u53f7\uff0c\u624d\u662f\u96c6\u7ebf\u5668\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u5177\u4f53\u5730\u8bf4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u51e0\u53f0\u4e3b\u673a IP \u5730\u5740\u5c5e\u4e8e\u540c\u4e00\u4e2a\u5b50\u7f51\uff0c\u5e76\u4e14\u53ea\u662f\u9700\u8981\u4e92\u76f8\u901a\u4fe1\uff0c\u9009\u62e9\u4ea4\u6362\u673a\u3002\u4f8b\u5982\u540c\u4e00\u5b9e\u9a8c\u5ba4\u3001\u540c\u4e00\u5c40\u57df\u7f51\u5185\u7684\u7535\u8111\u4e92\u8fde\uff0c\u4e00\u822c\u7528\u4ea4\u6362\u673a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e24\u4e2a\u7f51\u7edc\u7684\u7f51\u7edc\u53f7\u4e0d\u540c\uff0c\u6bd4\u5982\u4e00\u4e2a\u662f 192.168.1.0\/26\uff0c\u53e6\u4e00\u4e2a\u662f 192.168.1.64\/26\uff0c\u5b83\u4eec\u4e4b\u95f4\u901a\u4fe1\u5fc5\u987b\u7ecf\u8fc7\u8def\u7531\u5668\u6216\u4e09\u5c42\u4ea4\u6362\u673a\u3002\u5728 408 \u9ed8\u8ba4\u8bed\u5883\u91cc\uff0c\u770b\u5230\u201c\u4e0d\u540c IP \u5b50\u7f51\u4e92\u8fde\u201d\uff0c\u4f18\u5148\u60f3\u5230\u8def\u7531\u5668\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9898\u76ee\u95ee\u7684\u662f\u8001\u5f0f\u5171\u4eab\u4ee5\u592a\u7f51\uff0c\u6216\u8005\u5f3a\u8c03\u7269\u7406\u5c42\u8bbe\u5907\u3001\u51b2\u7a81\u57df\u5171\u4eab\uff0c\u90a3\u624d\u8003\u8651\u96c6\u7ebf\u5668\u3002\u73b0\u5b9e\u7ec4\u7f51\u4e2d\u4e00\u822c\u4e0d\u7528\u96c6\u7ebf\u5668\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u4e2d\u6700\u5173\u952e\u7684\u5224\u65ad\u70b9\u662f\u9ed8\u8ba4\u7f51\u5173\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>H1\u3001H2 \u9ed8\u8ba4\u7f51\u5173\uff1a192.168.1.1\nH3\u3001H4 \u9ed8\u8ba4\u7f51\u5173\uff1a192.168.1.65\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ed8\u8ba4\u7f51\u5173\u4e00\u5b9a\u8981\u914d\u7f6e\u5728\u4e09\u5c42\u8bbe\u5907\u63a5\u53e3\u4e0a\uff0c\u4e5f\u5c31\u662f\u8bbe\u5907 1 \u7684 IF2 \u548c IF3 \u4e0a\u3002\u56e0\u6b64\u8bbe\u5907 1 \u5fc5\u987b\u662f\u8def\u7531\u5668\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\u3001R \u9700\u8981\u63d0\u4f9b\u4ec0\u4e48\u670d\u52a1\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u8ba9 H1 ~ H4 \u8bbf\u95ee Internet\uff0cR \u9700\u8981\u63d0\u4f9b <strong>NAT \u670d\u52a1<\/strong>\uff0c\u66f4\u51c6\u786e\u5730\u8bf4\u901a\u5e38\u662f NAPT\/PAT\uff0c\u5373\u591a\u4e2a\u5185\u7f51\u79c1\u6709\u5730\u5740\u5171\u7528\u4e00\u4e2a\u516c\u7f51\u5730\u5740\u8bbf\u95ee\u5916\u7f51\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a H1 ~ H4 \u4f7f\u7528\u7684\u662f 192.168.1.0\/24 \u8303\u56f4\u5185\u7684\u79c1\u6709\u5730\u5740\u3002\u79c1\u6709\u5730\u5740\u4e0d\u80fd\u76f4\u63a5\u5728\u516c\u7f51 Internet \u4e2d\u8def\u7531\uff0c\u6240\u4ee5\u6570\u636e\u5230\u8fbe R \u540e\uff0c\u9700\u8981\u628a\u6e90\u5730\u5740\u8f6c\u6362\u6210 R \u5916\u7f51\u63a5\u53e3\u7684\u5730\u5740\uff0c\u4f8b\u5982\u56fe\u4e2d\u7684 101.1.2.10\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c\u4ece\u5b8c\u6574\u914d\u7f6e\u89d2\u5ea6\u770b\uff0c\u8fd8\u9700\u8981\u6709\u8def\u7531\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bbe\u59071 \u9ed8\u8ba4\u8def\u7531\uff1a\u4e0b\u4e00\u8df3\u6307\u5411 R \u7684 192.168.1.253\nR \u5230 192.168.1.0\/26 \u7684\u8def\u7531\uff1a\u4e0b\u4e00\u8df3\u6307\u5411\u8bbe\u59071\u7684 192.168.1.254\nR \u5230 192.168.1.64\/26 \u7684\u8def\u7531\uff1a\u4e0b\u4e00\u8df3\u6307\u5411\u8bbe\u59071\u7684 192.168.1.254\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8fc7\u5982\u679c\u9898\u76ee\u95ee\u201cR \u9700\u8981\u63d0\u4f9b\u4ec0\u4e48\u670d\u52a1\u201d\uff0c\u6807\u51c6\u7b54\u6848\u901a\u5e38\u5199 <strong>NAT \u670d\u52a1<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u81ea\u5df1\u53d1\u7684\u5e7f\u64ad\uff0c\u81ea\u5df1\u80fd\u4e0d\u80fd\u6536\u5230\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u95ee\u9898\u8981\u5206\u5c42\u7406\u89e3\uff0c\u5426\u5219\u5bb9\u6613\u6df7\u4e71\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u7b2c 4 \u95ee\u4e2d\uff0cH3 \u7684 IP \u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.66\/26\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u6240\u5728\u7f51\u6bb5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.64\/26\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7f51\u6bb5\u7684\u5e7f\u64ad\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.127\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u76ee\u7684 IP \u5730\u5740 192.168.1.127 \u662f H3\u3001H4 \u6240\u5728\u5b50\u7f51\u7684\u5e7f\u64ad\u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece IP \u5730\u5740\u8bed\u4e49\u770b\uff0c\u5b83\u8868\u793a\u201c\u53d1\u7ed9 192.168.1.64\/26 \u8fd9\u4e2a\u5b50\u7f51\u5185\u6240\u6709\u4e3b\u673a\u201d\u3002\u56e0\u6b64\u6309\u5f88\u591a\u6559\u6750\u6216\u6807\u51c6\u7b54\u6848\u7684\u62bd\u8c61\u53e3\u5f84\uff0c\u4f1a\u8bf4 H3\u3001H4 \u90fd\u5c5e\u4e8e\u8be5\u5e7f\u64ad\u5730\u5740\u8986\u76d6\u7684\u8303\u56f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\u4ece\u5b9e\u9645\u4e8c\u5c42\u8f6c\u53d1\u8fc7\u7a0b\u770b\uff0cH3 \u628a\u5e7f\u64ad\u5e27\u53d1\u7ed9\u4ea4\u6362\u673a\u540e\uff0c\u4ea4\u6362\u673a\u4f1a\u628a\u8be5\u5e7f\u64ad\u5e27\u4ece\u9664\u5165\u7aef\u53e3\u4ee5\u5916\u7684\u5176\u4ed6\u7aef\u53e3\u8f6c\u53d1\u51fa\u53bb\uff0c\u4e0d\u4f1a\u518d\u4ece H3 \u63a5\u5165\u7684\u7aef\u53e3\u53d1\u56de\u7ed9 H3\u3002\u56e0\u6b64 H3 \u4e0d\u662f\u201c\u4ece\u7f51\u7edc\u4e2d\u91cd\u65b0\u6536\u5230\u81ea\u5df1\u521a\u53d1\u51fa\u7684\u90a3\u4e00\u5e27\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u8fd9\u4e24\u53e5\u8bdd\u5e76\u4e0d\u77db\u76fe\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6309 IP \u5e7f\u64ad\u5730\u5740\u8986\u76d6\u8303\u56f4\uff1aH3\u3001H4 \u5c5e\u4e8e\u8be5\u5e7f\u64ad\u8303\u56f4\u3002\n\u6309\u4ea4\u6362\u673a\u5b9e\u9645\u8f6c\u53d1\u63a5\u6536\uff1aH4 \u4f1a\u6536\u5230\uff0cH3 \u4e0d\u4f1a\u4ece\u4ea4\u6362\u673a\u90a3\u91cc\u518d\u6536\u5230\u81ea\u5df1\u53d1\u51fa\u7684\u5e27\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">408 \u505a\u9898\u65f6\u8981\u770b\u9898\u76ee\u95ee\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9898\u76ee\u95ee\u201c\u76ee\u7684\u5730\u5740 192.168.1.127 \u662f\u54ea\u4e2a\u7f51\u6bb5\u7684\u5e7f\u64ad\u5730\u5740\uff0c\u54ea\u4e9b\u4e3b\u673a\u5c5e\u4e8e\u8be5\u5e7f\u64ad\u8303\u56f4\u201d\uff0c\u901a\u5e38\u7b54 H3 \u548c H4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9898\u76ee\u5f3a\u8c03\u201c\u4ea4\u6362\u673a\u8f6c\u53d1\u540e\u54ea\u4e9b\u4e3b\u673a\u5b9e\u9645\u63a5\u6536\u5230\u8be5\u5e27\u201d\uff0c\u5219\u5e94\u7b54 H4\uff1b\u8bbe\u5907 1 \u7684\u8def\u7531\u5668\u63a5\u53e3\u4e5f\u4f1a\u6536\u5230\u8fd9\u4e2a\u4e8c\u5c42\u5e7f\u64ad\u5e27\uff0c\u4f46\u8def\u7531\u5668\u4e0d\u4f1a\u628a\u8be5\u5e7f\u64ad\u7ee7\u7eed\u8f6c\u53d1\u5230 H1\u3001H2 \u6240\u5728\u7f51\u6bb5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5bb9\u6613\u9519\u7684\u662f\u628a 192.168.1.127 \u5f53\u6210\u666e\u901a\u5355\u64ad\u5730\u5740\u3002\u7531\u4e8e \/26 \u6bcf\u4e2a\u5b50\u7f51\u6709 64 \u4e2a\u5730\u5740\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.64\/26 \u7684\u5730\u5740\u8303\u56f4\uff1a192.168.1.64 ~ 192.168.1.127\n\u7f51\u7edc\u5730\u5740\uff1a192.168.1.64\n\u53ef\u7528\u4e3b\u673a\u5730\u5740\uff1a192.168.1.65 ~ 192.168.1.126\n\u5e7f\u64ad\u5730\u5740\uff1a192.168.1.127\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 H1\u3001H2 \u4e00\u5b9a\u4e0d\u4f1a\u6536\u5230\u8fd9\u4e2a\u5e7f\u64ad\u3002\u8def\u7531\u5668\u4f1a\u9694\u79bb\u5e7f\u64ad\u57df\uff0c\u666e\u901a IP \u5e7f\u64ad\u4e0d\u4f1a\u8de8\u8def\u7531\u5668\u6269\u6563\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u5728\u4e8eh3\u4f1a\u4e0d\u4f1a\u6536\u5230\u81ea\u5df1\u53d1\u51fa\u7684\u5e7f\u64ad\uff1f\u5982\u679c\u4e00\u4e2a\u4e3b\u673a\uff0c\u8bf7\u6c42\u76ee\u6807\u5730\u5740\u662f\u8def\u7531\u5668\u4ea4\u6362\u673a\u662f\u6ca1\u6709\u8bb0\u5f55\u7684\u5730\u5740\uff0c\u90a3\u4e48\u6b64\u65f6\uff0c\u662f\u4e0d\u662f\u4e5f\u7c7b\u4f3c\u4e8e\u4e00\u6b21\u5e7f\u64ad\u5462\uff1f\u8fd9\u4e24\u8005\u4e4b\u95f4\u53c8\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u53ef\u4ee5\u8fd9\u6837\u5b9a\u6027\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5728 408 \u8fd9\u7c7b\u9898\u91cc\uff0c\u5982\u679c\u95ee\u201c\u76ee\u7684 IP \u4e3a 192.168.1.127 \u7684 IP \u6570\u636e\u62a5\uff0c\u54ea\u4e9b\u4e3b\u673a\u5c5e\u4e8e\u63a5\u6536\u8303\u56f4\u201d\uff0c\u901a\u5e38\u6309 IP \u5e7f\u64ad\u5730\u5740\u8bed\u4e49\u7b54\uff1aH3 \u548c H4\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u4e25\u683c\u95ee\u201cH3 \u53d1\u51fa\u7684\u4ee5\u592a\u7f51\u5e27\u7ecf\u8fc7\u4ea4\u6362\u673a\u540e\uff0c\u4f1a\u4e0d\u4f1a\u53c8\u4ece\u4ea4\u6362\u673a\u56de\u5230 H3 \u7684\u7f51\u5361\u201d\uff0c\u7b54\u6848\u662f\uff1a<strong>\u4e0d\u4f1a\u3002\u666e\u901a\u4ea4\u6362\u673a\u4e0d\u4f1a\u628a\u4ece\u67d0\u7aef\u53e3\u6536\u5230\u7684\u5e27\u518d\u4ece\u540c\u4e00\u4e2a\u7aef\u53e3\u8f6c\u53d1\u56de\u53bb\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u8fd9\u4ef6\u4e8b\u8981\u5206\u6210\u4e24\u4e2a\u5c42\u6b21\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>IP \u5c42\u903b\u8f91\u63a5\u6536\u8303\u56f4\uff1aH3\u3001H4 \u90fd\u5c5e\u4e8e 192.168.1.64\/26 \u8fd9\u4e2a\u5b50\u7f51\uff0c\u6240\u4ee5\u90fd\u5728\u5e7f\u64ad\u8303\u56f4\u5185\u3002\n\n\u4e8c\u5c42\u4ea4\u6362\u673a\u5b9e\u9645\u8f6c\u53d1\u8def\u5f84\uff1aH3 \u53d1\u51fa\u7684\u5e7f\u64ad\u5e27\u8fdb\u5165\u4ea4\u6362\u673a\u540e\uff0c\u4ea4\u6362\u673a\u53ea\u4ece\u5176\u4ed6\u7aef\u53e3\u6cdb\u6d2a\uff0c\u4e0d\u4f1a\u4ece H3 \u7684\u5165\u7aef\u53e3\u53d1\u56de\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u76ee\u7684\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.127\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">H3 \u7684\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>192.168.1.66\/26\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\/26 \u7684\u6bcf\u4e2a\u5b50\u7f51\u5927\u5c0f\u662f 64 \u4e2a\u5730\u5740\uff0c\u6240\u4ee5 H3 \u6240\u5728\u5b50\u7f51\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7f51\u7edc\u5730\u5740\uff1a192.168.1.64\n\u53ef\u7528\u5730\u5740\uff1a192.168.1.65 ~ 192.168.1.126\n\u5e7f\u64ad\u5730\u5740\uff1a192.168.1.127\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 <code>192.168.1.127<\/code> \u662f H3\u3001H4 \u6240\u5728\u5b50\u7f51\u7684\u5b9a\u5411\u5e7f\u64ad\u5730\u5740\u3002\u6309\u9898\u76ee\u201cIP \u6570\u636e\u62a5\u7684\u76ee\u7684\u5730\u5740\u201d\u8fd9\u4e2a\u53e3\u5f84\uff0c\u7b54\u6848\u5f80\u5f80\u5199 <strong>H3\u3001H4<\/strong>\uff1b\u4f46\u5982\u679c\u9898\u76ee\u5f3a\u8c03\u201c\u4ea4\u6362\u673a\u8f6c\u53d1\u540e\u8c01\u5b9e\u9645\u6536\u5230\u4ece\u7f51\u7edc\u8fd4\u56de\u7684\u5e27\u201d\uff0c\u5219 H3 \u4e0d\u4f1a\u4ece\u4ea4\u6362\u673a\u90a3\u91cc\u518d\u6536\u5230\u81ea\u5df1\u53d1\u51fa\u7684\u5e27\uff0cH4 \u4f1a\u6536\u5230\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u6700\u5bb9\u6613\u6df7\u7684\u662f\u201c\u5e7f\u64ad\u5730\u5740\u8986\u76d6\u8303\u56f4\u201d\u548c\u201c\u4ea4\u6362\u673a\u662f\u5426\u56de\u9001\u5165\u7aef\u53e3\u201d\u3002\u4e8c\u8005\u4e0d\u662f\u540c\u4e00\u4e2a\u95ee\u9898\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u770b\u7b2c\u4e8c\u4e2a\u95ee\u9898\uff1a<strong>\u76ee\u6807\u5730\u5740\u4ea4\u6362\u673a\u6ca1\u6709\u8bb0\u5f55\uff0c\u662f\u4e0d\u662f\u7c7b\u4f3c\u5e7f\u64ad\uff1f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u533a\u5206\u4e24\u4e2a\u6982\u5ff5\uff1a<strong>\u5e7f\u64ad broadcast<\/strong> \u548c <strong>\u6cdb\u6d2a flooding<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e7f\u64ad\u662f\u5e27\u672c\u8eab\u7684\u76ee\u7684 MAC \u5730\u5740\u5c31\u662f\u5e7f\u64ad\u5730\u5740\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FF:FF:FF:FF:FF:FF\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u5e27\u88ab\u8bbe\u8ba1\u6210\u201c\u53d1\u7ed9\u540c\u4e00\u5e7f\u64ad\u57df\u5185\u6240\u6709\u4e3b\u673a\u201d\u3002\u4e3b\u673a\u7f51\u5361\u770b\u5230\u76ee\u7684 MAC \u662f\u5e7f\u64ad\u5730\u5740\uff0c\u4e00\u822c\u4f1a\u63a5\u6536\u5e76\u4e0a\u4ea4\u534f\u8bae\u6808\u5904\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6cdb\u6d2a\u662f\u4ea4\u6362\u673a\u7684\u4e00\u79cd\u8f6c\u53d1\u884c\u4e3a\u3002\u6bd4\u5982\u4ea4\u6362\u673a\u6536\u5230\u4e00\u4e2a\u76ee\u7684 MAC \u4e3a\u67d0\u4e2a\u5355\u64ad\u5730\u5740\u7684\u5e27\uff0c\u4f46 MAC \u5730\u5740\u8868\u91cc\u4e0d\u77e5\u9053\u8fd9\u4e2a\u76ee\u7684 MAC \u5728\u54ea\u4e2a\u7aef\u53e3\uff0c\u4e8e\u662f\u5b83\u4f1a\u628a\u8be5\u5e27\u4ece\u9664\u5165\u7aef\u53e3\u5916\u7684\u6240\u6709\u7aef\u53e3\u8f6c\u53d1\u51fa\u53bb\u3002\u8fd9\u4e2a\u884c\u4e3a\u770b\u8d77\u6765\u50cf\u201c\u5e7f\u64ad\u5f0f\u6269\u6563\u201d\uff0c\u4f46\u5b83\u4e0d\u662f\u5e7f\u64ad\uff0c\u56e0\u4e3a\u5e27\u7684\u76ee\u7684 MAC \u4ecd\u7136\u662f\u4e00\u4e2a\u5355\u64ad MAC \u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u533a\u522b\u53ef\u4ee5\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u60c5\u51b5<\/th><th>\u5e27\u7684\u76ee\u7684 MAC<\/th><th>\u4ea4\u6362\u673a\u884c\u4e3a<\/th><th>\u4e3b\u673a\u662f\u5426\u90fd\u4f1a\u63a5\u6536<\/th><\/tr><\/thead><tbody><tr><td>\u771f\u6b63\u5e7f\u64ad<\/td><td>FF:FF:FF:FF:FF:FF<\/td><td>\u6cdb\u6d2a\u5230\u5176\u4ed6\u7aef\u53e3<\/td><td>\u540c\u5e7f\u64ad\u57df\u4e3b\u673a\u90fd\u4f1a\u63a5\u6536<\/td><\/tr><tr><td>\u672a\u77e5\u5355\u64ad<\/td><td>\u67d0\u4e2a\u5177\u4f53\u5355\u64ad MAC<\/td><td>\u4e5f\u4f1a\u6cdb\u6d2a\u5230\u5176\u4ed6\u7aef\u53e3<\/td><td>\u53ea\u6709\u76ee\u7684 MAC \u5339\u914d\u7684\u4e3b\u673a\u4f1a\u63a5\u6536\uff0c\u5176\u4ed6\u4e3b\u673a\u901a\u5e38\u4e22\u5f03<\/td><\/tr><tr><td>\u5df2\u77e5\u5355\u64ad<\/td><td>\u67d0\u4e2a\u5177\u4f53\u5355\u64ad MAC<\/td><td>\u53ea\u8f6c\u53d1\u5230\u5bf9\u5e94\u7aef\u53e3<\/td><td>\u53ea\u6709\u76ee\u6807\u4e3b\u673a\u63a5\u6536<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u201c\u4ea4\u6362\u673a\u6ca1\u6709\u8bb0\u5f55\u76ee\u7684 MAC\u201d\u65f6\u53d1\u751f\u7684\u662f <strong>\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a<\/strong>\uff0c\u4e0d\u662f\u4e25\u683c\u610f\u4e49\u4e0a\u7684\u5e7f\u64ad\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3e\u4e2a\u76f4\u89c2\u4f8b\u5b50\u3002\u5047\u8bbe H3 \u8981\u7ed9 H4 \u53d1\u6570\u636e\uff0cH3 \u5df2\u7ecf\u77e5\u9053 H4 \u7684 MAC \u5730\u5740\uff0c\u4e8e\u662f\u53d1\u51fa\u4e00\u4e2a\u5355\u64ad\u5e27\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6e90 MAC\uff1aH3 \u7684 MAC\n\u76ee\u7684 MAC\uff1aH4 \u7684 MAC\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u8bbe\u5907 3 \u8fd9\u4e2a\u4ea4\u6362\u673a\u521a\u542f\u52a8\uff0cMAC \u5730\u5740\u8868\u91cc\u8fd8\u6ca1\u6709 H4 \u7684\u8bb0\u5f55\u3002\u6b64\u65f6\u4ea4\u6362\u673a\u4f1a\u628a\u8fd9\u4e2a\u5e27\u4ece\u9664 H3 \u5165\u7aef\u53e3\u5916\u7684\u5176\u4ed6\u7aef\u53e3\u90fd\u53d1\u51fa\u53bb\u3002H4 \u6536\u5230\u540e\u53d1\u73b0\u76ee\u7684 MAC \u662f\u81ea\u5df1\uff0c\u5c31\u63a5\u6536\uff1b\u5176\u4ed6\u8bbe\u5907\u5373\u4f7f\u770b\u5230\u8fd9\u4e2a\u5e27\uff0c\u4e5f\u4f1a\u56e0\u4e3a\u76ee\u7684 MAC \u4e0d\u662f\u81ea\u5df1\u800c\u4e22\u5f03\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u53eb <strong>\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u548c\u5e7f\u64ad\u5f88\u50cf\u7684\u5730\u65b9\u662f\uff1a\u4ea4\u6362\u673a\u8f6c\u53d1\u8303\u56f4\u90fd\u6bd4\u8f83\u5927\u3002<br>\u5b83\u548c\u5e7f\u64ad\u4e0d\u540c\u7684\u5730\u65b9\u662f\uff1a\u5e7f\u64ad\u5e27\u662f\u201c\u6240\u6709\u4e3b\u673a\u90fd\u5e94\u8be5\u63a5\u6536\u201d\uff0c\u672a\u77e5\u5355\u64ad\u5e27\u662f\u201c\u4ea4\u6362\u673a\u4e0d\u77e5\u9053\u76ee\u6807\u5728\u54ea\uff0c\u53ea\u80fd\u5148\u4e71\u53d1\uff0c\u4f46\u672c\u8d28\u4e0a\u4ecd\u7136\u53ea\u7ed9\u4e00\u4e2a\u76ee\u6807\u4e3b\u673a\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6362\u6210\u201c\u8def\u7531\u5668\u6ca1\u6709\u8bb0\u5f55\u76ee\u6807\u5730\u5740\u201d\uff0c\u60c5\u51b5\u53c8\u4e0d\u4e00\u6837\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ea4\u6362\u673a\u5de5\u4f5c\u5728\u6570\u636e\u94fe\u8def\u5c42\uff0c\u7ef4\u62a4\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MAC \u5730\u5740 -&gt; \u7aef\u53e3\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u5668\u5de5\u4f5c\u5728\u7f51\u7edc\u5c42\uff0c\u7ef4\u62a4\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u76ee\u7684\u7f51\u7edc -&gt; \u4e0b\u4e00\u8df3 \/ \u51fa\u63a5\u53e3\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u5668\u4e0d\u4f1a\u50cf\u4ea4\u6362\u673a\u90a3\u6837\u201c\u76ee\u6807\u4e0d\u77e5\u9053\u5c31\u5168\u7aef\u53e3\u6cdb\u6d2a\u201d\u3002\u8def\u7531\u5668\u67e5\u8def\u7531\u8868\uff0c\u5982\u679c\u6709\u5339\u914d\u8def\u7531\uff0c\u5c31\u8f6c\u53d1\uff1b\u5982\u679c\u6ca1\u6709\u5339\u914d\u8def\u7531\uff0c\u4e5f\u6ca1\u6709\u9ed8\u8ba4\u8def\u7531\uff0c\u5c31\u4e22\u5f03\uff0c\u5e76\u53ef\u80fd\u8fd4\u56de ICMP \u76ee\u7684\u4e0d\u53ef\u8fbe\u62a5\u6587\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u4ea4\u6362\u673a\u4e0d\u77e5\u9053\u76ee\u7684 MAC\uff1a\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a\u3002\n\u8def\u7531\u5668\u4e0d\u77e5\u9053\u76ee\u7684 IP \u7f51\u7edc\uff1a\u4e22\u5f03\uff0c\u4e0d\u4f1a\u5e7f\u64ad\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u8003\u7814\u91cc\u975e\u5e38\u91cd\u8981\u7684\u5206\u754c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u8865\u4e00\u4e2a\u5b8c\u6574\u53d1\u9001\u8fc7\u7a0b\uff0c\u5e2e\u52a9\u533a\u5206 ARP \u5e7f\u64ad\u3001IP \u5e7f\u64ad\u3001\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe H3 \u8981\u8bbf\u95ee H4\uff0cH4 \u662f\u540c\u7f51\u6bb5\u5730\u5740 <code>192.168.1.67<\/code>\u3002H3 \u9996\u5148\u5224\u65ad H4 \u548c\u81ea\u5df1\u540c\u5c5e <code>192.168.1.64\/26<\/code>\uff0c\u6240\u4ee5\u5e94\u8be5\u76f4\u63a5\u4ea4\u4ed8\u7ed9 H4\uff0c\u800c\u4e0d\u662f\u4ea4\u7ed9\u9ed8\u8ba4\u7f51\u5173\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c H3 \u4e0d\u77e5\u9053 H4 \u7684 MAC \u5730\u5740\uff0c\u5c31\u5148\u53d1 ARP \u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8c01\u662f 192.168.1.67\uff1f\u8bf7\u544a\u8bc9 192.168.1.66\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a ARP \u8bf7\u6c42\u4f7f\u7528\u4ee5\u592a\u7f51\u5e7f\u64ad MAC\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FF:FF:FF:FF:FF:FF\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5 ARP \u8bf7\u6c42\u662f\u771f\u6b63\u7684\u5e7f\u64ad\u3002H4 \u6536\u5230\u540e\u4f1a\u56de\u590d\u81ea\u5df1\u7684 MAC \u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e4b\u540e H3 \u518d\u53d1\u9001\u771f\u6b63\u7684\u6570\u636e\u5e27\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u76ee\u7684 MAC\uff1aH4 \u7684 MAC\n\u76ee\u7684 IP\uff1a192.168.1.67\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u65f6\u5c31\u662f\u5355\u64ad\u5e27\u3002\u5982\u679c\u4ea4\u6362\u673a\u77e5\u9053 H4 \u5728\u54ea\u4e2a\u7aef\u53e3\uff0c\u5c31\u5b9a\u5411\u8f6c\u53d1\uff1b\u5982\u679c\u4e0d\u77e5\u9053\uff0c\u5c31\u505a\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u8fd9\u4e09\u4ef6\u4e8b\u4e0d\u8981\u6df7\u6210\u4e00\u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ARP \u8bf7\u6c42\uff1a\u5e7f\u64ad\uff0c\u7528\u6765\u95ee MAC \u5730\u5740\u3002\nIP \u5e7f\u64ad\uff1a\u76ee\u7684 IP \u662f\u5e7f\u64ad\u5730\u5740\uff0c\u6bd4\u5982 192.168.1.127\u3002\n\u672a\u77e5\u5355\u64ad\u6cdb\u6d2a\uff1a\u76ee\u7684 MAC \u662f\u5355\u64ad\u5730\u5740\uff0c\u4f46\u4ea4\u6362\u673a MAC \u8868\u91cc\u6682\u65f6\u4e0d\u77e5\u9053\u7aef\u53e3\u3002\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u4e2d\u7684 H3 \u53d1\u5f80 <code>192.168.1.127<\/code>\uff0c\u672c\u8d28\u662f <strong>IP \u5c42\u5e7f\u64ad\u5730\u5740<\/strong>\uff0c\u5c01\u88c5\u5230\u4ee5\u592a\u7f51\u65f6\u901a\u5e38\u4f7f\u7528 <strong>\u5e7f\u64ad MAC \u5730\u5740<\/strong>\u3002\u56e0\u6b64\u5b83\u4e0d\u662f\u201c\u4ea4\u6362\u673a\u4e0d\u77e5\u9053\u5730\u5740\u6240\u4ee5\u6cdb\u6d2a\u201d\uff0c\u800c\u662f\u201c\u8fd9\u4e2a\u5e27\u672c\u6765\u5c31\u662f\u5e7f\u64ad\u5e27\uff0c\u6240\u4ee5\u4ea4\u6362\u673a\u5fc5\u987b\u6cdb\u6d2a\u5230\u540c\u4e00\u5e7f\u64ad\u57df\u7684\u5176\u4ed6\u7aef\u53e3\u201d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(4)\u82e5\u4e3b\u673aH3 \u53d1\u9001\u4e00\u4e2a\u76ee\u7684\u5730\u5740\u4e3a192.168.1.127 \u7684IP \u6570\u636e\u62a5\uff0c\u7f51\u7edc\u4e2d\u54ea\u51e0\u4e2a\u4e3b\u673a\u4f1a\u63a5\u6536\u8be5\u6570\u636e\u57d8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2296","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=2296"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2296\/revisions"}],"predecessor-version":[{"id":2299,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2296\/revisions\/2299"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2296"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}