{"id":2009,"date":"2026-04-18T18:09:43","date_gmt":"2026-04-18T10:09:43","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2009"},"modified":"2026-04-18T23:40:57","modified_gmt":"2026-04-18T15:40:57","slug":"%e7%bd%91%e7%bb%9c%e5%b1%82%e8%ae%be%e5%a4%87","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/18\/%e7%bd%91%e7%bb%9c%e5%b1%82%e8%ae%be%e5%a4%87\/preluna\/text\/","title":{"rendered":"\u7f51\u7edc\u5c42\u8bbe\u5907"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/4-2-279x1024.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"279\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/4-2-279x1024.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2010\" style=\"width:279px;height:auto\"  sizes=\"auto, (max-width: 279px) 100vw, 279px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e24\u9898\u5176\u5b9e\u5206\u522b\u5728\u8003\u4e24\u4e2a\u5f88\u5178\u578b\u7684\u7f51\u7edc\u5c42\u57fa\u7840\u70b9\uff1a<br>\u7b2c3\u9898\u8003\u201c<strong>IPv4 \u591a\u64ad\u5730\u5740\u5230\u4ee5\u592a\u7f51\u591a\u64ad MAC \u5730\u5740\u7684\u6620\u5c04<\/strong>\u201d\uff1b<br>\u7b2c4\u9898\u8003\u201c<strong>\u54ea\u4e9b IP \u5730\u5740\u7c7b\u578b\u53ef\u4ee5\u4f5c\u6e90\u5730\u5740\uff0c\u54ea\u4e9b\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740<\/strong>\u201d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c3\u9898\uff1a224.215.145.230 \u6620\u5c04\u5230\u54ea\u4e2a\u591a\u64ad MAC \u5730\u5740<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u786e\u7b54\u6848\u662f <strong>A. 01-00-5E-57-91-E6<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u9898\u8003\u4ec0\u4e48<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8003\u7684\u662f\u4e00\u4e2a\u56fa\u5b9a\u89c4\u5219\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv4 \u591a\u64ad\u5730\u5740\u6620\u5c04\u5230\u4ee5\u592a\u7f51 MAC \u5730\u5740\u65f6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MAC \u5730\u5740\u524d 24 \u4f4d\u56fa\u5b9a\u4e3a <code>01-00-5E<\/code><\/li>\n\n\n\n<li>\u518d\u52a0\u4e0a IP \u591a\u64ad\u5730\u5740\u7684<strong>\u4f4e 23 \u4f4d<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u628a IP \u5730\u5740\u5199\u6210\u4e8c\u8fdb\u5236<\/li>\n\n\n\n<li><strong>\u53ea\u4fdd\u7559\u540e 23 \u4f4d<\/strong><\/li>\n\n\n\n<li>\u6620\u5c04\u5230 MAC \u7684\u540e 23 \u4f4d<\/li>\n\n\n\n<li>\u5176\u4e2d MAC \u7684\u7b2c 25 \u4f4d\u56fa\u5b9a\u4e3a 0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6b65\u8ba1\u7b97<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9898\u76ee\u7ed9\u7684 IP \u591a\u64ad\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>224.215.145.230<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u8f6c\u6210\u4e8c\u8fdb\u5236\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>224 = <code>11100000<\/code><\/li>\n\n\n\n<li>215 = <code>11010111<\/code><\/li>\n\n\n\n<li>145 = <code>10010001<\/code><\/li>\n\n\n\n<li>230 = <code>11100110<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u6574\u4e2a\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>11100000 11010111 10010001 11100110<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u53d6<strong>\u4f4e 23 \u4f4d<\/strong>\u3002<br>\u56e0\u4e3a\u603b\u5171 32 \u4f4d\uff0c\u4f4e 23 \u4f4d\u5c31\u662f\u53bb\u6389\u524d 9 \u4f4d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53bb\u6389\u524d 8 \u4f4d <code>11100000<\/code>\uff0c\u518d\u53bb\u6389\u4e0b\u4e00\u5b57\u8282\u7684\u6700\u9ad8 1 \u4f4d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>215 \u7684\u4e8c\u8fdb\u5236\u662f <code>11010111<\/code><\/li>\n\n\n\n<li>\u53bb\u6389\u6700\u9ad8\u4f4d\u540e\u5269\u4e0b <code>1010111<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8e\u662f\u4f4e 23 \u4f4d\u5c31\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>1010111 10010001 11100110<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u586b\u5230 MAC \u540e 23 \u4f4d\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u524d\u7f00\u56fa\u5b9a\uff1a<code>01-00-5E<\/code><\/li>\n\n\n\n<li>\u540e\u9762\u4e09\u6bb5\u53d8\u6210\uff1a\n<ul class=\"wp-block-list\">\n<li><code>0<\/code> + <code>1010111<\/code> = <code>01010111<\/code> = <code>57<\/code><\/li>\n\n\n\n<li><code>10010001<\/code> = <code>91<\/code><\/li>\n\n\n\n<li><code>11100110<\/code> = <code>E6<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u6700\u7ec8 MAC \u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>01-00-5E-57-91-E6<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u9009 <strong>A<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u5bb9\u6613\u9519<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5e38\u89c1\u9519\u8bef\u5c31\u662f\u628a\u7b2c\u4e8c\u4e2a\u5b57\u8282 <code>215<\/code> \u76f4\u63a5\u7167\u6284\u6210 <code>D7<\/code>\uff0c\u4e8e\u662f\u8bef\u9009 <strong>B<\/strong>\u3002<br>\u4f46\u8fd9\u91cc\u4e0d\u662f\u76f4\u63a5\u7167\u6284\uff0c\u800c\u662f<strong>\u53ea\u53d6\u4f4e 23 \u4f4d<\/strong>\uff0c\u6240\u4ee5\u7b2c\u4e8c\u6bb5\u5b9e\u9645\u4e0a\u8981\u628a\u6700\u9ad8\u4f4d\u6e05\u6389\uff0c<code>D7<\/code> \u8981\u53d8\u6210 <code>57<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u7c7b\u9898\u600e\u4e48\u5feb\u901f\u505a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u540e\u770b\u5230\u201cIPv4 \u591a\u64ad\u5730\u5740\u6620\u5c04 MAC\u201d\uff0c\u76f4\u63a5\u5957\u8fd9\u4e2a\u901f\u7b97\u6a21\u677f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u5199\u6b7b\u524d\u7f00\uff1a<code>01-00-5E<\/code><\/li>\n\n\n\n<li>\u540e 3 \u4e2a\u5b57\u8282\u91cc\uff1a\n<ul class=\"wp-block-list\">\n<li>\u7b2c 4 \u4e2a\u5b57\u8282 = \u7b2c\u4e8c\u4e2a IP \u5b57\u8282\u7684<strong>\u4f4e 7 \u4f4d<\/strong>\u524d\u9762\u8865 0<\/li>\n\n\n\n<li>\u7b2c 5\u30016 \u4e2a\u5b57\u8282 = \u7b2c\u4e09\u4e2a\u3001\u7b2c\u56db\u4e2a IP \u5b57\u8282\u539f\u6837\u6284<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u91cc\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>215 = <code>D7<\/code>\uff0c\u53d6\u4f4e 7 \u4f4d\u540e\u53d8 <code>57<\/code><\/li>\n\n\n\n<li>145 = <code>91<\/code><\/li>\n\n\n\n<li>230 = <code>E6<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u79d2\u51fa\uff1a<code>01-00-5E-57-91-E6<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c4\u9898\uff1a\u54ea\u4e2a\u5730\u5740\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740\uff0c\u4e0d\u80fd\u4f5c\u6e90\u5730\u5740<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u786e\u7b54\u6848\u662f <strong>C. 228.1.1.100<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u9898\u8003\u4ec0\u4e48<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8003\u7684\u662f\u4e0d\u540c\u7c7b\u578b IP \u5730\u5740\u7684\u4f7f\u7528\u9650\u5236\uff0c\u5c24\u5176\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u64ad\u5730\u5740<\/strong>\uff1a\u65e2\u53ef\u4f5c\u6e90\u5730\u5740\uff0c\u4e5f\u53ef\u4f5c\u76ee\u7684\u5730\u5740<\/li>\n\n\n\n<li><strong>\u591a\u64ad\u5730\u5740<\/strong>\uff1a<strong>\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740<\/strong>\uff0c\u4e0d\u80fd\u4f5c\u6e90\u5730\u5740<\/li>\n\n\n\n<li><code>0.0.0.0<\/code>\uff1a\u901a\u5e38\u8868\u793a\u201c\u672c\u673a\u5c1a\u672a\u83b7\u5f97\u5408\u6cd5 IP \u5730\u5740\u201d\uff0c<strong>\u53ef\u4f5c\u4e3a\u7279\u6b8a\u6e90\u5730\u5740\u4f7f\u7528<\/strong>\uff0c\u4f46\u4e0d\u80fd\u4f5c\u4e3a\u6b63\u5e38\u76ee\u7684\u5730\u5740<\/li>\n\n\n\n<li><code>255.255.255.255<\/code>\uff1a\u53d7\u9650\u5e7f\u64ad\u5730\u5740\uff0c\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9010\u9879\u5224\u65ad<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">A. 11.255.255.100<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u666e\u901a\u7684\u5355\u64ad\u5730\u5740\uff0c\u4e0d\u662f\u5e7f\u64ad\u5730\u5740\uff0c\u4e5f\u4e0d\u662f\u591a\u64ad\u5730\u5740\u3002<br>\u56e0\u6b64\u5b83\u65e2\u53ef\u4ee5\u4f5c\u6e90\u5730\u5740\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u76ee\u7684\u5730\u5740\u3002<br><strong>A \u4e0d\u7b26\u5408\u9898\u610f\u3002<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">B. 192.168.x.100<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7c7b\u5730\u5740\u5c5e\u4e8e\u79c1\u6709\u5730\u5740\u8303\u56f4\uff0c\u672c\u8d28\u4e0a\u4ecd\u7136\u662f<strong>\u5355\u64ad\u5730\u5740<\/strong>\u3002<br>\u79c1\u6709\u5730\u5740\u53ea\u662f\u201c\u4e0d\u80fd\u5728\u516c\u7f51\u76f4\u63a5\u8def\u7531\u201d\uff0c\u4e0d\u4ee3\u8868\u4e0d\u80fd\u4f5c\u6e90\u5730\u5740\u3002<br>\u6240\u4ee5\u5b83\u65e2\u80fd\u4f5c\u6e90\u5730\u5740\uff0c\u4e5f\u80fd\u4f5c\u76ee\u7684\u5730\u5740\u3002<br><strong>B \u4e0d\u7b26\u5408\u9898\u610f\u3002<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">C. 228.1.1.100<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><code>228<\/code> \u843d\u5728 <code>224~239<\/code> \u8303\u56f4\u5185\uff0c\u5c5e\u4e8e <strong>D \u7c7b\u5730\u5740\uff0c\u5373\u591a\u64ad\u5730\u5740<\/strong>\u3002<br>\u591a\u64ad\u5730\u5740\u5728 IP \u6570\u636e\u62a5\u4e2d<strong>\u53ea\u80fd\u4f5c\u4e3a\u76ee\u7684\u5730\u5740<\/strong>\uff0c\u4e0d\u80fd\u4f5c\u4e3a\u6e90\u5730\u5740\u3002<br><strong>\u6240\u4ee5 C \u6b63\u786e\u3002<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">D. 0.0.0.0<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u5730\u5740\u4e0d\u80fd\u4f5c\u4e3a\u666e\u901a\u76ee\u7684\u5730\u5740\u3002<br>\u5b83\u5e38\u89c1\u4e8e\u4e3b\u673a\u542f\u52a8\u9636\u6bb5\u3001\u5c1a\u672a\u83b7\u5f97 IP \u5730\u5740\u65f6\uff0c\u4f5c\u4e3a\u7279\u6b8a\u6e90\u5730\u5740\u4f7f\u7528\u3002<br>\u9898\u76ee\u95ee\u7684\u662f\u201c<strong>\u53ea\u80fd\u7528\u4e8e\u76ee\u7684\u5730\u5740\u800c\u4e0d\u80fd\u7528\u4e8e\u6e90\u5730\u5740<\/strong>\u201d\uff0c\u663e\u7136\u5b83\u4e0d\u7b26\u5408\u3002<br><strong>D \u4e0d\u7b26\u5408\u9898\u610f\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u9898\u4e3a\u4ec0\u4e48\u5bb9\u6613\u9519<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u9898\u6700\u5bb9\u6613\u5728 <strong>C \u548c D<\/strong> \u4e4b\u95f4\u72b9\u8c6b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u952e\u533a\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u591a\u64ad\u5730\u5740<\/strong>\uff1a\u53ea\u80fd\u4f5c<strong>\u76ee\u7684\u5730\u5740<\/strong><\/li>\n\n\n\n<li><strong>0.0.0.0<\/strong>\uff1a\u53cd\u8fc7\u6765\uff0c\u66f4\u63a5\u8fd1\u201c\u53ea\u80fd\u4f5c\u7279\u6b8a\u6e90\u5730\u5740\u201d\uff0c\u4e0d\u80fd\u4f5c\u6b63\u5e38\u76ee\u7684\u5730\u5740<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u9898\u76ee\u95ee\u201c\u53ea\u80fd\u7528\u4e8e\u76ee\u7684\u5730\u5740\u800c\u4e0d\u80fd\u7528\u4e8e\u6e90\u5730\u5740\u201d\uff0c\u5fc5\u987b\u9009 <strong>\u591a\u64ad\u5730\u5740<\/strong>\uff0c\u5373 <strong>C<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fd9\u7c7b\u9898\u600e\u4e48\u5feb\u901f\u8bc6\u522b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230\u5730\u5740\u5148\u5206\u7c7b\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>224~239<\/code>\uff1a\u591a\u64ad\u5730\u5740\uff0c<strong>\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740<\/strong><\/li>\n\n\n\n<li><code>255.255.255.255<\/code>\uff1a\u5e7f\u64ad\u5730\u5740\uff0c<strong>\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740<\/strong><\/li>\n\n\n\n<li><code>0.0.0.0<\/code>\uff1a\u672a\u5b9a\u5730\u5740\uff0c\u5e38\u4f5c<strong>\u7279\u6b8a\u6e90\u5730\u5740<\/strong><\/li>\n\n\n\n<li>\u5176\u4ed6\u666e\u901a\u5355\u64ad\u5730\u5740\uff1a\u4e00\u822c\u90fd\u53ef\u4f5c\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740<\/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\">\u6700\u540e\u628a\u4e24\u9898\u7ed3\u8bba\u6536\u4e00\u4e0b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e24\u9898\u653e\u5728\u4e00\u8d77\u770b\uff0c\u4e3b\u7ebf\u5176\u5b9e\u5f88\u7edf\u4e00\uff1a<br>\u4e00\u9053\u5728\u8003\u201c<strong>\u591a\u64ad IP \u5982\u4f55\u6620\u5c04\u5230\u94fe\u8def\u5c42\u5730\u5740<\/strong>\u201d\uff0c\u4e00\u9053\u5728\u8003\u201c<strong>\u591a\u64ad IP \u5728\u7f51\u7edc\u5c42\u7684\u4f7f\u7528\u65b9\u5f0f<\/strong>\u201d\u3002<br>\u53ea\u8981\u4e00\u770b\u5230 <code>224~239<\/code>\uff0c\u8111\u5b50\u91cc\u5c31\u5e94\u8be5\u7acb\u523b\u5192\u51fa\u4e24\u4e2a\u7ed3\u8bba\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b83\u662f <strong>\u591a\u64ad\u5730\u5740<\/strong><\/li>\n\n\n\n<li>\u5b83<strong>\u53ea\u80fd\u4f5c\u76ee\u7684\u5730\u5740<\/strong><\/li>\n\n\n\n<li>\u6620\u5c04\u5230\u4ee5\u592a\u7f51 MAC \u65f6\uff0c\u7528 <code>01-00-5E + \u4f4e23\u4f4d<\/code><\/li>\n<\/ol>\n\n\n\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\/04\/3-1-141x1024.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"141\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/3-1-141x1024.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2012\"\/><\/div><\/figure>\n\n\n\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\/04\/3-1-1-735x1024.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/3-1-1-735x1024.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2013\"  sizes=\"auto, (max-width: 735px) 100vw, 735px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c 3 \u9898\u7684\u7ed3\u8bba\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R \u9700\u8981\u63d0\u4f9b <strong>NAT \u670d\u52a1<\/strong>\uff0c\u66f4\u51c6\u786e\u5730\u8bf4\u662f <strong>NAPT\uff08\u7f51\u7edc\u5730\u5740\u7aef\u53e3\u8f6c\u6362\uff09<\/strong>\uff0c\u4e5f\u5c31\u662f\u901a\u5e38\u8bf4\u7684\u201c\u7aef\u53e3\u590d\u7528\u7684\u5730\u5740\u8f6c\u6362\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u9053\u9898\u7684\u5224\u65ad\u5173\u952e\u5f88\u5178\u578b\uff0c\u5c5e\u4e8e\u8003\u7814\u7f51\u7edc\u5c42\u91cc\u201c<strong>\u79c1\u6709\u5730\u5740\u4e3b\u673a\u8bbf\u95ee Internet<\/strong>\u201d\u7684\u6807\u51c6\u8003\u6cd5\u3002\u56fe\u4e2d H1\uff5eH4 \u4f7f\u7528\u7684\u90fd\u662f <code>192.168.1.x<\/code> \u5730\u5740\uff0c\u8fd9\u4e00\u6bb5\u5c5e\u4e8e\u79c1\u6709 IP \u5730\u5740\uff0c<strong>\u4e0d\u80fd\u76f4\u63a5\u5728 Internet \u4e0a\u8def\u7531\u8f6c\u53d1<\/strong>\u3002\u800c R \u8fde\u63a5 Internet \u4e00\u4fa7\u7684\u5730\u5740\u662f <code>101.1.2.10<\/code>\uff0c\u8fd9\u662f\u516c\u7f51\u5730\u5740\u3002\u4e8e\u662f\u5185\u7f51\u4e3b\u673a\u5982\u679c\u60f3\u8bbf\u95ee Internet\uff0c\u5c31\u5fc5\u987b\u5148\u5728\u8fb9\u754c\u8def\u7531\u5668 R \u8fd9\u91cc\uff0c\u628a\u6e90\u5730\u5740\u4ece\u79c1\u7f51\u5730\u5740\u8f6c\u6362\u6210\u516c\u7f51\u5730\u5740\uff0c\u518d\u53d1\u5f80\u5916\u7f51\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u4e4b\u6240\u4ee5\u4e0d\u662f\u7b80\u5355\u5199\u201c\u8def\u7531\u8f6c\u53d1\u201d\u5c31\u5b8c\u4e86\uff0c\u662f\u56e0\u4e3a<strong>\u5149\u6709\u8def\u7531\u4e0d\u591f<\/strong>\u3002<br>\u8def\u7531\u89e3\u51b3\u7684\u662f\u201c\u5f80\u54ea\u8f6c\u53d1\u201d\uff0c\u800c NAT \u89e3\u51b3\u7684\u662f\u201c\u79c1\u7f51\u5730\u5740\u4e0d\u80fd\u76f4\u63a5\u4e0a\u516c\u7f51\u201d\u7684\u95ee\u9898\u3002<br>H1\uff5eH4 \u7684\u6e90\u5730\u5740\u5982\u679c\u4ecd\u7136\u4fdd\u6301 <code>192.168.1.x<\/code> \u53d1\u5230 Internet\uff0c\u4e0a\u5c42\u516c\u7f51\u8def\u7531\u5668\u4e0d\u4f1a\u4e3a\u8fd9\u4e9b\u79c1\u6709\u5730\u5740\u63d0\u4f9b\u53ef\u8fbe\u6027\uff0c\u56e0\u6b64\u901a\u4fe1\u4e0d\u80fd\u6210\u7acb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u5f80\u524d\u4e00\u6b65\u770b\uff0c\u8fd9\u91cc\u66f4\u9002\u5408\u5199\u6210 <strong>NAPT<\/strong>\uff0c\u56e0\u4e3a\u56fe\u4e2d R \u5bf9\u5916\u53ea\u6709\u4e00\u4e2a\u516c\u7f51\u5730\u5740 <code>101.1.2.10<\/code>\uff0c\u4f46\u5185\u7f51\u6709\u591a\u53f0\u4e3b\u673a\u90fd\u8981\u540c\u65f6\u4e0a\u7f51\u3002\u6b64\u65f6\u6700\u5e38\u89c1\u7684\u505a\u6cd5\u5c31\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u7f51\u4e3b\u673a\u79c1\u6709 IP + \u6e90\u7aef\u53e3<br>\u2192 \u5728 R \u4e0a\u8f6c\u6362\u6210<br>\u516c\u7f51 IP <code>101.1.2.10<\/code> + \u4e0d\u540c\u7aef\u53e3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u591a\u53f0\u5185\u7f51\u4e3b\u673a\u5c31\u53ef\u4ee5\u5171\u4eab\u4e00\u4e2a\u516c\u7f51\u5730\u5740\u8bbf\u95ee Internet\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7c7b\u9898\u4ee5\u540e\u53ef\u4ee5\u8fd9\u6837\u5feb\u901f\u8bc6\u522b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u8981\u770b\u5230\u8fd9\u51e0\u4e2a\u4fe1\u53f7\uff0c\u57fa\u672c\u5c31\u8be5\u60f3\u5230 NAT\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5185\u7f51\u4e3b\u673a\u5730\u5740\u662f <code>10.x.x.x<\/code>\u3001<code>172.16.x.x ~ 172.31.x.x<\/code>\u3001<code>192.168.x.x<\/code><\/li>\n\n\n\n<li>\u5916\u7f51\u8fde\u63a5\u7684\u662f Internet<\/li>\n\n\n\n<li>\u8fb9\u754c\u8bbe\u5907\u53ea\u6709\u5c11\u91cf\u751a\u81f3\u4e00\u4e2a\u516c\u7f51\u5730\u5740<\/li>\n\n\n\n<li>\u9898\u76ee\u95ee\u201c\u5982\u4f55\u8bbf\u95ee Internet\u201d\u201c\u9700\u8981\u63d0\u4f9b\u4ec0\u4e48\u670d\u52a1\u201d<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u6807\u51c6\u7b54\u6848\u901a\u5e38\u5c31\u662f\uff1a<strong>\u7f51\u7edc\u5730\u5740\u8f6c\u6362 NAT<\/strong>\uff1b\u5982\u679c\u9898\u76ee\u66f4\u4e25\u4e00\u70b9\uff0c\u5c31\u7b54 <strong>NAPT<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u672c\u9898\u7b2c 3 \u95ee\uff0c\u8003\u573a\u4e0a\u6700\u7a33\u7684\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R \u9700\u8981\u63d0\u4f9b\u7f51\u7edc\u5730\u5740\u8f6c\u6362\u670d\u52a1\uff08NAT\uff09\uff0c\u5177\u4f53\u53ef\u91c7\u7528\u7f51\u7edc\u5730\u5740\u7aef\u53e3\u8f6c\u6362 NAPT\uff0c\u4f7f\u5185\u7f51\u79c1\u6709\u5730\u5740\u4e3b\u673a\u80fd\u591f\u5171\u4eab\u516c\u7f51\u5730\u5740\u8bbf\u95ee Internet\u3002<\/strong><\/p>\n\n\n\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\/04\/1-1-627x1024.jpg'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"627\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/1-1-627x1024.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2022\"  sizes=\"auto, (max-width: 627px) 100vw, 627px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u9898\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u9053\u9898\u7684\u6838\u5fc3\u6709\u4e24\u6b65\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u6b65\uff0c\u5148\u6839\u636e\u5b50\u7f51\u63a9\u7801 <code>255.255.255.240<\/code> \u5224\u65ad\u6bcf\u4e2a\u4e3b\u673a\u548c\u6bcf\u4e2a\u8def\u7531\u5668\u63a5\u53e3\u5206\u522b\u5c5e\u4e8e\u54ea\u4e2a\u5b50\u7f51\u3002<br>\u7b2c\u4e8c\u6b65\uff0c\u57fa\u4e8e\u62d3\u6251\u5199\u51fa R1 \u7684\u8def\u7531\u8868\uff0c\u518d\u6309\u201c\u5148\u770b\u662f\u5426\u540c\u7f51\u6bb5\uff0c\u4e0d\u540c\u5219\u4ea4\u7ed9\u9ed8\u8ba4\u7f51\u5173\uff0c\u518d\u9010\u8df3\u91cd\u65b0\u5c01\u88c5 MAC\u201d\u7684\u601d\u8def\u5206\u6790 H1 \u53d1\u5230 H2 \u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9898\u91cc 4 \u53f0\u4e3b\u673a\u7684\u5b50\u7f51\u63a9\u7801\u5168\u90fd\u662f <code>255.255.255.240<\/code>\uff0c\u4e5f\u5c31\u662f <code>\/28<\/code>\u3002<br><code>\/28<\/code> \u7684\u5757\u5927\u5c0f\u662f <code>256 - 240 = 16<\/code>\uff0c\u6240\u4ee5\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u7684\u5b50\u7f51\u8fb9\u754c\u4e00\u5b9a\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>0, 16, 32, 48, 64, 80, ...<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u8fd9 4 \u4e2a\u5b50\u7f51\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Net1\uff1a<code>202.99.98.16\/28<\/code><\/li>\n\n\n\n<li>Net2\uff1a<code>202.99.98.32\/28<\/code><\/li>\n\n\n\n<li>Net3\uff1a<code>202.99.98.48\/28<\/code><\/li>\n\n\n\n<li>Net4\uff1a<code>202.99.98.64\/28<\/code><\/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\">\u4e00\u3001\u5148\u628a 4 \u4e2a\u5b50\u7f51\u7b97\u51fa\u6765<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Net1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H1 \u7684\u5730\u5740\u662f <code>202.99.98.18\/28<\/code>\uff0cR1 \u5728\u8fd9\u4e2a\u7f51\u6bb5\u4e0a\u7684\u63a5\u53e3\u662f <code>202.99.98.17<\/code>\u3002<br><code>18<\/code> \u843d\u5728 <code>16~31<\/code> \u8fd9\u4e2a\u5757\u91cc\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b50\u7f51\u5730\u5740\uff1a<code>202.99.98.16<\/code><\/li>\n\n\n\n<li>\u5e7f\u64ad\u5730\u5740\uff1a<code>202.99.98.31<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 Net1 \u5c31\u662f <code>202.99.98.16\/28<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Net2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H2 \u7684\u5730\u5740\u662f <code>202.99.98.35\/28<\/code>\uff0cR2 \u63a5\u53e3\u662f <code>202.99.98.33<\/code>\uff0cR1 \u63a5\u53e3\u662f <code>202.99.98.34<\/code>\u3002<br><code>35<\/code> \u843d\u5728 <code>32~47<\/code> \u8fd9\u4e2a\u5757\u91cc\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b50\u7f51\u5730\u5740\uff1a<code>202.99.98.32<\/code><\/li>\n\n\n\n<li>\u5e7f\u64ad\u5730\u5740\uff1a<code>202.99.98.47<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 Net2 \u5c31\u662f <code>202.99.98.32\/28<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Net3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H3 \u7684\u5730\u5740\u662f <code>202.99.98.51\/28<\/code>\uff0cR2 \u63a5\u53e3\u662f <code>202.99.98.49<\/code>\uff0cR3 \u63a5\u53e3\u662f <code>202.99.98.50<\/code>\u3002<br><code>51<\/code> \u843d\u5728 <code>48~63<\/code> \u8fd9\u4e2a\u5757\u91cc\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b50\u7f51\u5730\u5740\uff1a<code>202.99.98.48<\/code><\/li>\n\n\n\n<li>\u5e7f\u64ad\u5730\u5740\uff1a<code>202.99.98.63<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 Net3 \u5c31\u662f <code>202.99.98.48\/28<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Net4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H4 \u7684\u5730\u5740\u662f <code>202.99.98.66\/28<\/code>\uff0cR3 \u63a5\u53e3\u662f <code>202.99.98.65<\/code>\u3002<br><code>66<\/code> \u843d\u5728 <code>64~79<\/code> \u8fd9\u4e2a\u5757\u91cc\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b50\u7f51\u5730\u5740\uff1a<code>202.99.98.64<\/code><\/li>\n\n\n\n<li>\u5e7f\u64ad\u5730\u5740\uff1a<code>202.99.98.79<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 Net4 \u5c31\u662f <code>202.99.98.64\/28<\/code>\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\u3001R1 \u5230 4 \u4e2a\u5b50\u7f51\u7684\u8def\u7531\u8868\u600e\u4e48\u5199<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u770b R1 \u76f4\u63a5\u8fde\u4e86\u54ea\u4e9b\u7f51\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R1 \u6709\u4e00\u4e2a\u63a5\u53e3 <code>202.99.98.17<\/code>\uff0c\u5c5e\u4e8e Net1<\/li>\n\n\n\n<li>R1 \u6709\u4e00\u4e2a\u63a5\u53e3 <code>202.99.98.34<\/code>\uff0c\u5c5e\u4e8e Net2<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5 Net1\u3001Net2 \u5bf9 R1 \u6765\u8bf4\u662f\u76f4\u8fde\u7f51\u7edc\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u770b\u975e\u76f4\u8fde\u7f51\u7edc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Net3 \u9700\u8981\u5148\u5230 R2\u3002R2 \u5728 Net2 \u4e0a\u7684\u63a5\u53e3\u5730\u5740\u662f <code>202.99.98.33<\/code><\/li>\n\n\n\n<li>Net4 \u4e5f\u5fc5\u987b\u5148\u5230 R2\uff0c\u518d\u7531 R2 \u8f6c\u7ed9 R3\uff0c\u6240\u4ee5\u5bf9 R1 \u6765\u8bf4\uff0c\u4e0b\u4e00\u8df3\u4ecd\u7136\u662f <code>202.99.98.33<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">R1 \u7684\u8def\u7531\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u76ee\u7684\u7f51\u7edc<\/th><th>\u5b50\u7f51\u63a9\u7801<\/th><th>\u4e0b\u4e00\u8df3<\/th><th>\u51fa\u63a5\u53e3<\/th><\/tr><\/thead><tbody><tr><td>202.99.98.16<\/td><td>255.255.255.240<\/td><td>\u76f4\u8fde<\/td><td>202.99.98.17<\/td><\/tr><tr><td>202.99.98.32<\/td><td>255.255.255.240<\/td><td>\u76f4\u8fde<\/td><td>202.99.98.34<\/td><\/tr><tr><td>202.99.98.48<\/td><td>255.255.255.240<\/td><td>202.99.98.33<\/td><td>202.99.98.34<\/td><\/tr><tr><td>202.99.98.64<\/td><td>255.255.255.240<\/td><td>202.99.98.33<\/td><td>202.99.98.34<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u6807\u51c6\u5199\u6cd5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e9b\u9898\u76ee\u7684\u7b54\u6848\u53ea\u5199\u201c\u76ee\u7684\u7f51\u7edc + \u5b50\u7f51\u63a9\u7801 + \u4e0b\u4e00\u8df3\u201d\uff0c\u90a3\u4e48\u4e5f\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>202.99.98.16\/28<\/code>\uff1a\u76f4\u8fde<\/li>\n\n\n\n<li><code>202.99.98.32\/28<\/code>\uff1a\u76f4\u8fde<\/li>\n\n\n\n<li><code>202.99.98.48\/28<\/code>\uff1a\u4e0b\u4e00\u8df3 <code>202.99.98.33<\/code><\/li>\n\n\n\n<li><code>202.99.98.64\/28<\/code>\uff1a\u4e0b\u4e00\u8df3 <code>202.99.98.33<\/code><\/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\">\u4e09\u3001H1 \u5411 H2 \u53d1\u9001 IP \u6570\u636e\u62a5\u7684\u8fc7\u7a0b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u90e8\u5206\u9898\u76ee\u91cd\u70b9\u4e0d\u662f\u201c\u600e\u4e48\u8f6c\u53d1\u201d\u56db\u4e2a\u5b57\uff0c\u800c\u662f\u8981\u628a <strong>IP \u5730\u5740\u5224\u65ad\u3001\u8def\u7531\u9009\u62e9\u3001ARP \u5730\u5740\u89e3\u6790\u3001\u9010\u8df3\u5c01\u88c5<\/strong> \u4e32\u8d77\u6765\u5199\u6e05\u695a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. H1 \u5148\u5224\u65ad H2 \u662f\u5426\u4e0e\u81ea\u5df1\u5728\u540c\u4e00\u5b50\u7f51<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H1 \u7684\u5730\u5740\u662f <code>202.99.98.18<\/code>\uff0c\u63a9\u7801 <code>\/28<\/code>\uff0c\u6240\u4ee5 H1 \u6240\u5728\u5b50\u7f51\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.18 AND 255.255.255.240 = 202.99.98.16<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H2 \u7684\u5730\u5740\u662f <code>202.99.98.35<\/code>\uff0c\u6309\u540c\u6837\u65b9\u6cd5\u7b97\u51fa H2 \u6240\u5728\u5b50\u7f51\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.35 AND 255.255.255.240 = 202.99.98.32<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u4e2a\u5b50\u7f51\u5730\u5740\u4e0d\u540c\uff0c\u6240\u4ee5 H1 \u77e5\u9053\uff1a<br><strong>H2 \u4e0d\u548c\u81ea\u5df1\u5728\u540c\u4e00\u4e2a\u7f51\u6bb5\uff0c\u4e0d\u80fd\u76f4\u63a5\u53d1\u7ed9 H2\uff0c\u5fc5\u987b\u5148\u53d1\u7ed9\u672c\u5b50\u7f51\u7684\u9ed8\u8ba4\u7f51\u5173\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u4e2d\uff0cH1 \u6240\u5728\u7f51\u6bb5\u4e0a\u7684\u9ed8\u8ba4\u7f51\u5173\u5c31\u662f R1 \u7684\u63a5\u53e3 <code>202.99.98.17<\/code>\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. H1 \u5148\u5bf9\u9ed8\u8ba4\u7f51\u5173\u505a ARP \u5730\u5740\u89e3\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H1 \u8981\u628a\u6570\u636e\u5148\u4ea4\u7ed9 R1\uff0c\u4f46\u4ee5\u592a\u7f51\u53d1\u9001\u5e27\u65f6\u5fc5\u987b\u77e5\u9053\u5bf9\u65b9\u7684 MAC \u5730\u5740\u3002<br>\u56e0\u6b64 H1 \u5148\u68c0\u67e5\u81ea\u5df1\u7684 ARP \u9ad8\u901f\u7f13\u5b58\u91cc\u6709\u6ca1\u6709 <code>202.99.98.17<\/code> \u5bf9\u5e94\u7684 MAC \u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u5728 Net1 \u5185\u5e7f\u64ad ARP \u8bf7\u6c42\uff0c\u5927\u610f\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c\u8c01\u662f <code>202.99.98.17<\/code>\uff1f\u8bf7\u628a\u4f60\u7684 MAC \u5730\u5740\u544a\u8bc9 <code>202.99.98.18<\/code>\u3002\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R1 \u7684 Net1 \u63a5\u53e3\u6536\u5230\u8fd9\u4e2a ARP \u8bf7\u6c42\u540e\uff0c\u53d1\u73b0\u76ee\u6807 IP \u662f\u81ea\u5df1\uff0c\u4e8e\u662f\u5411 H1 \u5355\u64ad\u53d1\u9001 ARP \u5e94\u7b54\uff0c\u628a\u81ea\u5df1\u7684 MAC \u5730\u5740\u8fd4\u56de\u7ed9 H1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u540e H1 \u5c31\u5f97\u5230\u4e86\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ed8\u8ba4\u7f51\u5173 IP\uff1a<code>202.99.98.17<\/code><\/li>\n\n\n\n<li>\u9ed8\u8ba4\u7f51\u5173 MAC\uff1a\u8bbe\u4e3a <code>MAC(R1-Net1)<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e76\u628a\u5b83\u5199\u5165 ARP \u7f13\u5b58\u8868\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. H1 \u5c01\u88c5\u5e76\u53d1\u9001\u4ee5\u592a\u7f51\u5e27<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H1 \u73b0\u5728\u5f00\u59cb\u53d1\u9001 IP \u6570\u636e\u62a5\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">IP \u6570\u636e\u62a5\u9996\u90e8\u4e2d\u7684\u5730\u5740\u4e0d\u53d8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90 IP\uff1a<code>202.99.98.18<\/code><\/li>\n\n\n\n<li>\u76ee\u7684 IP\uff1a<code>202.99.98.35<\/code><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f46\u94fe\u8def\u5c42\u5e27\u9996\u90e8\u4e2d\u7684 MAC \u5730\u5740\u4e0d\u662f H2 \u7684\uff0c\u800c\u662f\u9ed8\u8ba4\u7f51\u5173 R1 \u7684<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90 MAC\uff1a<code>MAC(H1)<\/code><\/li>\n\n\n\n<li>\u76ee\u7684 MAC\uff1a<code>MAC(R1-Net1)<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u70b9\u7279\u522b\u5bb9\u6613\u8003\u9519\u3002<br>\u56e0\u4e3a <strong>\u8de8\u7f51\u6bb5\u53d1\u9001\u65f6\uff0c\u7b2c\u4e00\u8df3\u5e27\u7684\u76ee\u7684 MAC \u4e00\u5b9a\u662f\u4e0b\u4e00\u8df3\u8def\u7531\u5668\u63a5\u53e3\u7684 MAC\uff0c\u4e0d\u662f\u6700\u7ec8\u76ee\u7684\u4e3b\u673a\u7684 MAC\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8e\u662f H1 \u628a\u8fd9\u4e2a\u5e27\u53d1\u5230 Net1 \u4e0a\uff0cR1 \u6536\u5230\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. R1 \u6536\u5230\u5e27\u540e\u8fdb\u884c\u8def\u7531\u9009\u62e9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">R1 \u6536\u5230\u8be5\u5e27\u540e\uff0c\u5148\u68c0\u67e5\u94fe\u8def\u5c42\u76ee\u7684 MAC\uff0c\u53d1\u73b0\u662f\u53d1\u7ed9\u81ea\u5df1\u7684\uff0c\u6240\u4ee5\u63a5\u6536\u8be5\u5e27\u5e76\u53bb\u6389\u94fe\u8def\u5c42\u9996\u90e8\uff0c\u53d6\u51fa\u91cc\u9762\u7684 IP \u6570\u636e\u62a5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e R1 \u67e5\u770b IP \u6570\u636e\u62a5\u4e2d\u7684\u76ee\u7684 IP\uff1a<code>202.99.98.35<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R1 \u67e5\u8def\u7531\u8868\u540e\u53d1\u73b0\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.35<\/code> \u5c5e\u4e8e <code>202.99.98.32\/28<\/code>\uff0c\u4e5f\u5c31\u662f Net2\u3002<br>\u800c Net2 \u662f R1 \u7684\u76f4\u8fde\u7f51\u7edc\uff0c\u6240\u4ee5 R1 \u4e0d\u9700\u8981\u518d\u628a\u6570\u636e\u62a5\u8f6c\u7ed9\u522b\u7684\u8def\u7531\u5668\uff0c\u800c\u662f\u53ef\u4ee5\u76f4\u63a5\u4ece\u81ea\u5df1\u8fde\u63a5 Net2 \u7684\u63a5\u53e3 <code>202.99.98.34<\/code> \u53d1\u51fa\u53bb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. R1 \u5728 Net2 \u4e0a\u5bf9 H2 \u505a ARP \u5730\u5740\u89e3\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">R1 \u867d\u7136\u77e5\u9053 H2 \u7684 IP \u5730\u5740\u662f <code>202.99.98.35<\/code>\uff0c\u4f46\u5982\u679c\u60f3\u5728 Net2 \u4e0a\u628a\u5e27\u53d1\u7ed9 H2\uff0c\u4ecd\u7136\u9700\u8981\u77e5\u9053 H2 \u7684 MAC \u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64 R1 \u4f1a\u68c0\u67e5\u81ea\u5df1\u7684 ARP \u8868\uff0c\u770b\u662f\u5426\u5df2\u6709 <code>202.99.98.35 -&gt; MAC(H2)<\/code> \u7684\u6620\u5c04\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6ca1\u6709\uff0c\u5c31\u5728 Net2 \u4e0a\u5e7f\u64ad ARP \u8bf7\u6c42\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c\u8c01\u662f <code>202.99.98.35<\/code>\uff1f\u8bf7\u628a\u4f60\u7684 MAC \u5730\u5740\u544a\u8bc9 <code>202.99.98.34<\/code>\u3002\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H2 \u6536\u5230\u540e\uff0c\u53d1\u73b0\u76ee\u6807 IP \u662f\u81ea\u5df1\uff0c\u4e8e\u662f\u56de\u590d ARP \u5e94\u7b54\uff0c\u628a\u81ea\u5df1\u7684 MAC \u5730\u5740\u8fd4\u56de\u7ed9 R1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R1 \u4e8e\u662f\u77e5\u9053\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H2 \u7684 IP\uff1a<code>202.99.98.35<\/code><\/li>\n\n\n\n<li>H2 \u7684 MAC\uff1a\u8bbe\u4e3a <code>MAC(H2)<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">6. R1 \u91cd\u65b0\u5c01\u88c5\u94fe\u8def\u5c42\u5e27\u5e76\u8f6c\u53d1\u7ed9 H2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u5fc5\u987b\u6ce8\u610f\uff1a<br><strong>\u8def\u7531\u5668\u8f6c\u53d1\u65f6\uff0cIP \u6570\u636e\u62a5\u4e2d\u7684\u6e90 IP \u548c\u76ee\u7684 IP \u4e0d\u53d8\uff0c\u4f46\u94fe\u8def\u5c42\u5e27\u9996\u90e8\u8981\u91cd\u65b0\u5c01\u88c5\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5 R1 \u5411 H2 \u53d1\u51fa\u7684\u65b0\u5e27\u5e94\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90 MAC\uff1a<code>MAC(R1-Net2)<\/code><\/li>\n\n\n\n<li>\u76ee\u7684 MAC\uff1a<code>MAC(H2)<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c IP \u6570\u636e\u62a5\u4e2d\u7684\u5730\u5740\u4ecd\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90 IP\uff1a<code>202.99.98.18<\/code><\/li>\n\n\n\n<li>\u76ee\u7684 IP\uff1a<code>202.99.98.35<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e R1 \u628a\u8be5\u5e27\u53d1\u5230 Net2 \u4e0a\uff0cH2 \u6536\u5230\u540e\u53d1\u73b0\u76ee\u7684 MAC \u662f\u81ea\u5df1\uff0c\u4e8e\u662f\u63a5\u6536\u5e27\uff0c\u4ea4\u7ed9 IP \u5c42\u5904\u7406\u3002<br>IP \u5c42\u518d\u53d1\u73b0\u76ee\u7684 IP \u6b63\u662f\u672c\u673a\u5730\u5740 <code>202.99.98.35<\/code>\uff0c\u4e8e\u662f\u628a\u6570\u636e\u4ea4\u7ed9\u4e0a\u5c42\u534f\u8bae\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\uff0cH1 \u5230 H2 \u7684\u53d1\u9001\u8fc7\u7a0b\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u672c\u9898\u4e3a\u4ec0\u4e48\u5bb9\u6613\u9519<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7c7b\u9898\u7684\u9519\u70b9\u975e\u5e38\u96c6\u4e2d\uff0c\u57fa\u672c\u5c31\u8fd9\u51e0\u4e2a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u628a\u201c\u4e3b\u673a\u5730\u5740\u201d\u8bef\u5199\u6210\u201c\u5b50\u7f51\u5730\u5740\u201d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\u770b\u5230 H1 \u662f <code>202.99.98.18\/28<\/code>\uff0c\u5c31\u628a Net1 \u5199\u6210 <code>202.99.98.18<\/code>\uff0c\u8fd9\u662f\u9519\u8bef\u7684\u3002<br>\u8def\u7531\u8868\u91cc\u5199\u7684\u662f <strong>\u76ee\u7684\u7f51\u7edc\u5730\u5740<\/strong>\uff0c\u4e0d\u662f\u67d0\u53f0\u4e3b\u673a\u7684\u5730\u5740\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. \u4e0d\u4f1a\u5feb\u901f\u627e <code>\/28<\/code> \u7684\u7f51\u6bb5\u8fb9\u754c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>255.255.255.240 = \/28<\/code>\uff0c\u5757\u5927\u5c0f\u662f <code>16<\/code>\uff0c\u6240\u4ee5\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u4e00\u5b9a\u6309\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>0,16,32,48,64,80...<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6765\u5212\u5206\u3002<br>\u8c01\u843d\u5728\u54ea\u4e2a\u533a\u95f4\uff0c\u90a3\u4e2a\u533a\u95f4\u7684\u8d77\u70b9\u5c31\u662f\u5b50\u7f51\u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u8fd9\u7c7b\u9898\u6700\u91cd\u8981\u7684\u57fa\u672c\u529f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8bef\u4ee5\u4e3a H1 \u53ef\u4ee5\u76f4\u63a5 ARP H2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ARP \u53ea\u5728\u672c\u5730\u5c40\u57df\u7f51\u5185\u89e3\u6790\u4e0b\u4e00\u8df3 MAC\u3002<br>H1 \u548c H2 \u4e0d\u5728\u540c\u4e00\u5b50\u7f51\uff0c\u6240\u4ee5 H1 \u4e0d\u4f1a\u76f4\u63a5\u53bb\u95ee H2 \u7684 MAC\uff0c\u800c\u662f\u5148\u95ee\u9ed8\u8ba4\u7f51\u5173 R1 \u7684 MAC\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u8bef\u4ee5\u4e3a MAC \u5730\u5740\u5168\u7a0b\u4e0d\u53d8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">IP \u5730\u5740\u662f\u7aef\u5230\u7aef\u57fa\u672c\u4e0d\u53d8\u7684\u3002<br>MAC \u5730\u5740\u662f\u9010\u8df3\u53d8\u5316\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u9898\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H1 \u53d1\u7ed9 R1 \u65f6\uff0c\u5e27\u76ee\u7684 MAC \u662f <code>R1<\/code><\/li>\n\n\n\n<li>R1 \u53d1\u7ed9 H2 \u65f6\uff0c\u5e27\u76ee\u7684 MAC \u662f <code>H2<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u7f51\u7edc\u5c42\u548c\u94fe\u8def\u5c42\u6700\u7ecf\u5178\u7684\u7efc\u5408\u8003\u70b9\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u4ee5\u540e\u770b\u5230\u540c\u7c7b\u9898\uff0c\u600e\u4e48\u5feb\u901f\u505a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u540e\u770b\u5230\u201c\u8def\u7531\u5668 + \u591a\u4e2a\u5b50\u7f51 + \u82e5\u5e72\u4e3b\u673a IP\/\u63a9\u7801 + \u8ba9\u5199\u8def\u7531\u8868\u6216\u8f6c\u53d1\u8fc7\u7a0b\u201d\u8fd9\u79cd\u9898\uff0c\u76f4\u63a5\u6309\u8fd9\u4e2a\u6a21\u677f\u8d70\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u7b97\u5757\u5927\u5c0f\u3002<br>\u518d\u5b9a\u6bcf\u4e2a IP \u6240\u5c5e\u5b50\u7f51\u3002<br>\u518d\u627e\u6bcf\u53f0\u8def\u7531\u5668\u76f4\u63a5\u8fde\u63a5\u4e86\u54ea\u4e9b\u7f51\u3002<br>\u76f4\u8fde\u7f51\u5199\u201c\u76f4\u8fde\u201d\uff0c\u975e\u76f4\u8fde\u7f51\u5199\u201c\u4e0b\u4e00\u8df3\u90bb\u5c45\u8def\u7531\u5668\u63a5\u53e3\u5730\u5740\u201d\u3002<br>\u5206\u6790\u8f6c\u53d1\u8fc7\u7a0b\u65f6\uff0c\u5148\u5224\u65ad\u662f\u5426\u540c\u7f51\u6bb5\uff1b\u4e0d\u540c\u7f51\u6bb5\u5c31\u4e00\u5b9a\u5148\u627e\u9ed8\u8ba4\u7f51\u5173\u7684 MAC\uff0c\u518d\u7531\u8def\u7531\u5668\u9010\u8df3\u8f6c\u53d1\uff1b\u6bcf\u4e00\u8df3\u90fd\u53ef\u80fd\u91cd\u65b0 ARP\uff0c\u4e14\u6bcf\u4e00\u8df3\u90fd\u4f1a\u91cd\u5199 MAC \u9996\u90e8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u8fd9\u7c7b\u9898\u6700\u7a33\u5b9a\u7684\u505a\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b50\u7f51\u5730\u5740\u4e3a\u4ec0\u4e48\u8981\u7528\u201cIP \u5730\u5740 \u4e0e \u5b50\u7f51\u63a9\u7801\u201d\u6765\u6c42<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u539f\u7406\u672c\u8d28\u4e0a\u5e76\u4e0d\u590d\u6742\uff0c\u6838\u5fc3\u5c31\u4e00\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b50\u7f51\u63a9\u7801\u7684\u4f5c\u7528\uff0c\u5c31\u662f\u5728\u4e00\u4e2a IP \u5730\u5740\u4e2d\uff0c\u6807\u51fa\u54ea\u4e9b\u4f4d\u662f\u201c\u7f51\u7edc\u53f7\u201d\uff0c\u54ea\u4e9b\u4f4d\u662f\u201c\u4e3b\u673a\u53f7\u201d\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u201c\u4e0e\u64cd\u4f5c\u201d\u521a\u597d\u53ef\u4ee5\u505a\u5230\u8fd9\u6837\u4e00\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a9\u7801\u4e2d\u662f <code>1<\/code> \u7684\u4f4d\uff0c\u4fdd\u7559\u539f IP \u7684\u5bf9\u5e94\u4f4d<\/li>\n\n\n\n<li>\u63a9\u7801\u4e2d\u662f <code>0<\/code> \u7684\u4f4d\uff0c\u5f3a\u5236\u53d8\u6210 <code>0<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c<strong>IP \u5730\u5740 \u4e0e \u5b50\u7f51\u63a9\u7801 = \u4fdd\u7559\u7f51\u7edc\u53f7\uff0c\u6e05\u96f6\u4e3b\u673a\u53f7<\/strong>\u3002<br>\u8fd9\u6837\u5f97\u5230\u7684\u7ed3\u679c\uff0c\u5f53\u7136\u5c31\u662f\u8fd9\u4e2a IP \u6240\u5c5e\u5b50\u7f51\u7684\u7f51\u7edc\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\">\u4e00\u3001\u5148\u4ece\u5b50\u7f51\u63a9\u7801\u7684\u542b\u4e49\u8bf4\u8d77<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u672c\u9898\u4e2d\uff0c\u5b50\u7f51\u63a9\u7801\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>255.255.255.240<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u5b83\u5199\u6210\u4e8c\u8fdb\u5236\u5c31\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>11111111.11111111.11111111.11110000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u5199\u6cd5\u7684\u542b\u4e49\u975e\u5e38\u660e\u786e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u524d 28 \u4f4d\u5168\u662f <code>1<\/code>\uff0c\u8bf4\u660e\u8fd9 28 \u4f4d\u5c5e\u4e8e <strong>\u7f51\u7edc\u53f7<\/strong><\/li>\n\n\n\n<li>\u540e 4 \u4f4d\u5168\u662f <code>0<\/code>\uff0c\u8bf4\u660e\u8fd9 4 \u4f4d\u5c5e\u4e8e <strong>\u4e3b\u673a\u53f7<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u5176\u5b9e\u5c31\u662f <code>\/28<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u4e00\u4e2a <code>\/28<\/code> \u5730\u5740\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u524d 28 \u4f4d\u51b3\u5b9a\u201c\u4f60\u5c5e\u4e8e\u54ea\u4e2a\u5b50\u7f51\u201d<\/li>\n\n\n\n<li>\u540e 4 \u4f4d\u51b3\u5b9a\u201c\u4f60\u662f\u8fd9\u4e2a\u5b50\u7f51\u91cc\u7684\u54ea\u4e00\u53f0\u4e3b\u673a\u201d<\/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\">\u4e8c\u3001\u4e3a\u4ec0\u4e48\u201c\u4e0e\u64cd\u4f5c\u201d\u80fd\u6c42\u51fa\u7f51\u7edc\u5730\u5740<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u201c\u4e0e\u201d\u6709\u8fd9\u6837\u4e00\u4e2a\u89c4\u5219\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>1 AND 1 = 1<\/code><br><code>1 AND 0 = 0<\/code><br><code>0 AND 1 = 0<\/code><br><code>0 AND 0 = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8e\u662f\u5c31\u51fa\u73b0\u4e86\u5f88\u5173\u952e\u7684\u6548\u679c\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u7f51\u7edc\u4f4d\u4e0e 1 \u76f8\u4e0e\uff0c\u4fdd\u6301\u4e0d\u53d8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u5b50\u7f51\u63a9\u7801\u7684\u7f51\u7edc\u4f4d\u5168\u662f <code>1<\/code>\uff0c<br>\u6240\u4ee5 IP \u5730\u5740\u4e2d\u5c5e\u4e8e\u7f51\u7edc\u53f7\u7684\u90a3\u90e8\u5206\uff0c\u548c\u63a9\u7801\u505a\u4e0e\u8fd0\u7b97\u540e\uff0c\u4f1a\u539f\u6837\u4fdd\u7559\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3b\u673a\u4f4d\u4e0e 0 \u76f8\u4e0e\uff0c\u5168\u90e8\u6e05\u96f6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u5b50\u7f51\u63a9\u7801\u7684\u4e3b\u673a\u4f4d\u5168\u662f <code>0<\/code>\uff0c<br>\u6240\u4ee5 IP \u5730\u5740\u4e2d\u5c5e\u4e8e\u4e3b\u673a\u53f7\u7684\u90a3\u90e8\u5206\uff0c\u4e0d\u7ba1\u539f\u6765\u662f 0 \u8fd8\u662f 1\uff0c\u4e0e\u5b8c\u4e4b\u540e\u90fd\u4f1a\u53d8\u6210 0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u7b49\u4e8e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u628a\u4e00\u4e2a\u5177\u4f53\u4e3b\u673a\u5730\u5740\uff0c\u8fd8\u539f\u6210\u5b83\u6240\u5728\u5b50\u7f51\u7684\u201c\u8d77\u59cb\u5730\u5740\u201d<\/strong>\u3002<br>\u800c\u8fd9\u4e2a\u201c\u8d77\u59cb\u5730\u5740\u201d\uff0c\u5c31\u662f\u7f51\u7edc\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\">\u4e09\u3001\u62ff\u9898\u91cc\u7684 H1 \u4e3e\u4f8b\u770b\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H1 \u7684 IP \u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.18<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b50\u7f51\u63a9\u7801\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>255.255.255.240<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u9762\u4e09\u4e2a\u5b57\u8282\u90fd\u4e0d\u7528\u52a8\uff0c\u5173\u952e\u53ea\u770b\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u628a\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u5199\u6210\u4e8c\u8fdb\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>18 = 00010010<\/code><br><code>240 = 11110000<\/code><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u505a\u4e0e\u8fd0\u7b97<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>00010010<\/code><br><code>11110000<\/code><br><code>--------<\/code><br><code>00010000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>00010000 = 16<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u7ed3\u679c\u5c31\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.16<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f H1 \u6240\u5728\u5b50\u7f51\u7684\u7f51\u7edc\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\">\u56db\u3001\u518d\u770b H2\u3001H3\u3001H4 \u4e3a\u4ec0\u4e48\u4f1a\u5f97\u5230\u4e0d\u540c\u7f51\u7edc\u5730\u5740<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">H2\uff1a202.99.98.35<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>35 = 00100011<\/code><br><code>240 = 11110000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u4e0e\u540e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>00100011<\/code><br><code>11110000<\/code><br><code>--------<\/code><br><code>00100000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>00100000 = 32<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5 H2 \u7684\u7f51\u7edc\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.32<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">H3\uff1a202.99.98.51<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>51 = 00110011<\/code><br><code>240 = 11110000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u4e0e\u540e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>00110011<\/code><br><code>11110000<\/code><br><code>--------<\/code><br><code>00110000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>00110000 = 48<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5 H3 \u7684\u7f51\u7edc\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.48<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">H4\uff1a202.99.98.66<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>66 = 01000010<\/code><br><code>240 = 11110000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f8\u4e0e\u540e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>01000010<\/code><br><code>11110000<\/code><br><code>--------<\/code><br><code>01000000<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>01000000 = 64<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5 H4 \u7684\u7f51\u7edc\u5730\u5740\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>202.99.98.64<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u4e3a\u4ec0\u4e48\u201c\u7f51\u7edc\u5730\u5740\u201d\u4e00\u5b9a\u662f\u4e3b\u673a\u4f4d\u5168 0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u7f51\u7edc\u5730\u5740\u7684\u5b9a\u4e49\u51b3\u5b9a\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5b50\u7f51\u4e2d\uff0c\u6240\u6709\u4e3b\u673a\u7684\u7f51\u7edc\u53f7\u90fd\u4e00\u6837\uff0c\u53ea\u662f\u4e3b\u673a\u53f7\u4e0d\u540c\u3002<br>\u5982\u679c\u628a\u4e3b\u673a\u53f7\u5168\u90e8\u53d8\u6210 0\uff0c\u90a3\u4e48\u5f97\u5230\u7684\u5c31\u662f\u8fd9\u4e2a\u5b50\u7f51\u6700\u201c\u57fa\u7840\u201d\u7684\u90a3\u4e2a\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u7f51\u7edc\u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982 <code>\/28<\/code> \u4e2d\u4e3b\u673a\u53f7\u5360 4 \u4f4d\uff0c\u90a3\u4e48\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>xxxx0000<\/code>\uff1a\u7f51\u7edc\u5730\u5740<\/li>\n\n\n\n<li><code>xxxx0001<\/code> \u5230 <code>xxxx1110<\/code>\uff1a\u53ef\u5206\u914d\u7ed9\u4e3b\u673a<\/li>\n\n\n\n<li><code>xxxx1111<\/code>\uff1a\u5e7f\u64ad\u5730\u5740<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u4ece\u4e00\u4e2a\u4e3b\u673a\u5730\u5740\u51fa\u53d1\uff0c\u53ea\u8981\u628a\u6700\u540e\u90a3\u51e0\u4e2a\u201c\u4e3b\u673a\u4f4d\u201d\u5168\u90e8\u6e05\u96f6\uff0c\u5c31\u4e00\u5b9a\u80fd\u56de\u5230\u5b83\u6240\u5c5e\u5b50\u7f51\u7684\u7f51\u7edc\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\">\u516d\u3001\u8fd9\u4e2a\u539f\u7406\u4ece\u201c\u96c6\u5408\u201d\u7684\u89d2\u5ea6\u4e5f\u5f88\u597d\u7406\u89e3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u628a\u4e00\u4e2a\u5b50\u7f51\u770b\u6210\u4e00\u4e2a\u201c\u5730\u5740\u5757\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982 <code>\/28<\/code>\uff0c\u6bcf\u4e2a\u5b50\u7f51\u4e00\u5171\u6709 16 \u4e2a\u5730\u5740\u3002<br>\u90a3\u4e48\u8fd9\u4e9b\u5730\u5740\u4e00\u5b9a\u662f\u6309 16 \u4e2a\u4e00\u7ec4\u8fde\u7eed\u51fa\u73b0\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>0~15<\/code><\/li>\n\n\n\n<li><code>16~31<\/code><\/li>\n\n\n\n<li><code>32~47<\/code><\/li>\n\n\n\n<li><code>48~63<\/code><\/li>\n\n\n\n<li><code>64~79<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H1 \u7684\u6700\u540e\u4e00\u4e2a\u5b57\u8282\u662f 18\uff0c\u5b83\u843d\u5728 <code>16~31<\/code> \u8fd9\u4e00\u7ec4\uff0c\u6240\u4ee5\u7f51\u7edc\u5730\u5740\u5c31\u662f 16\u3002<br>H2 \u7684 35 \u843d\u5728 <code>32~47<\/code>\uff0c\u6240\u4ee5\u7f51\u7edc\u5730\u5740\u5c31\u662f 32\u3002<br>H3 \u7684 51 \u843d\u5728 <code>48~63<\/code>\uff0c\u6240\u4ee5\u7f51\u7edc\u5730\u5740\u5c31\u662f 48\u3002<br>H4 \u7684 66 \u843d\u5728 <code>64~79<\/code>\uff0c\u6240\u4ee5\u7f51\u7edc\u5730\u5740\u5c31\u662f 64\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u548c\u201c\u4e0e\u5b50\u7f51\u63a9\u7801\u201d\u7684\u7ed3\u679c\u5b8c\u5168\u4e00\u81f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0e\u8fd0\u7b97\u662f\u4e8c\u8fdb\u5236\u5c42\u9762\u7684\u505a\u6cd5\uff0c\u6309\u5757\u5212\u5206\u662f\u5341\u8fdb\u5236\u5c42\u9762\u7684\u505a\u6cd5\u3002\u4e24\u8005\u672c\u8d28\u4e0a\u662f\u540c\u4e00\u4ef6\u4e8b\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\">\u4e03\u3001\u8003\u7814\u505a\u9898\u65f6\uff0c\u5230\u5e95\u8be5\u600e\u4e48\u7406\u89e3\u6700\u7701\u4e8b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u505a\u9898\u65f6\u53ef\u4ee5\u76f4\u63a5\u8bb0\u6210\u4e0b\u9762\u8fd9\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5b50\u7f51\u63a9\u7801\u4e2d\u7684 1 \u8868\u793a\u7f51\u7edc\u4f4d\uff0c0 \u8868\u793a\u4e3b\u673a\u4f4d\uff1bIP \u5730\u5740\u4e0e\u5b50\u7f51\u63a9\u7801\u76f8\u4e0e\uff0c\u5c31\u662f\u4fdd\u7559\u7f51\u7edc\u4f4d\u3001\u6e05\u96f6\u4e3b\u673a\u4f4d\uff0c\u6240\u4ee5\u5f97\u5230\u7f51\u7edc\u5730\u5740\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u53e5\u8bdd\u57fa\u672c\u591f\u5e94\u4ed8\u5927\u591a\u6570\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\">\u516b\u3001\u8fd9\u7c7b\u9898\u5e38\u89c1\u8bef\u533a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u8bef\u628a\u4e3b\u673a\u5730\u5740\u5f53\u6210\u7f51\u7edc\u5730\u5740<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982 H1 \u662f <code>202.99.98.18<\/code>\uff0c\u6709\u4eba\u4f1a\u76f4\u63a5\u8ba4\u4e3a Net1 \u5c31\u662f <code>202.99.98.18<\/code>\u3002<br>\u8fd9\u662f\u4e0d\u5bf9\u7684\u3002<code>18<\/code> \u662f\u67d0\u53f0\u4e3b\u673a\u5728\u8fd9\u4e2a\u5b50\u7f51\u91cc\u7684\u7f16\u53f7\uff0c\u4e0d\u662f\u5b50\u7f51\u672c\u8eab\u7684\u7f16\u53f7\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. \u53ea\u4f1a\u80cc\u201c\u4e0e\u8fd0\u7b97\u201d\uff0c\u4f46\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u5bb9\u6613\u5728\u9898\u76ee\u7a0d\u5fae\u53d8\u5f62\u65f6\u4e0d\u4f1a\u505a\u3002<br>\u771f\u6b63\u8981\u660e\u767d\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a9\u7801 1 \u7684\u90e8\u5206\uff1a\u4fdd\u7559<\/li>\n\n\n\n<li>\u63a9\u7801 0 \u7684\u90e8\u5206\uff1a\u6e05\u96f6<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u89e3\u4e86\u8fd9\u4e00\u70b9\uff0c\u4efb\u4f55\u201c\u6c42\u7f51\u7edc\u5730\u5740\u201d\u7684\u9898\u90fd\u80fd\u505a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5341\u8fdb\u5236\u4f1a\u7b97\uff0c\u4e8c\u8fdb\u5236\u4e0d\u4f1a\u770b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u540c\u5b66\u80fd\u770b\u51fa <code>\/28<\/code> \u7684\u5757\u5927\u5c0f\u662f 16\uff0c\u4f46\u4e0d\u77e5\u9053\u8fd9\u548c\u4e8c\u8fdb\u5236\u6709\u4ec0\u4e48\u5173\u7cfb\u3002<br>\u5176\u5b9e\u5757\u5927\u5c0f 16\uff0c\u6b63\u597d\u5bf9\u5e94\u6700\u540e 4 \u4f4d\u662f\u4e3b\u673a\u4f4d\uff0c\u56e0\u4e3a <code>2\u2074 = 16<\/code>\u3002<br>\u6240\u4ee5 <code>\/28<\/code> \u7684\u5730\u5740\u5757\u4e00\u5b9a\u662f\u6309 16 \u4e3a\u8fb9\u754c\u5207\u5206\u7684\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001\u628a\u8fd9\u4e2a\u539f\u7406\u603b\u7ed3\u6210\u4e00\u53e5\u66f4\u9002\u5408\u505a\u9898\u7684\u8bdd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7f51\u7edc\u5730\u5740 = \u8be5 IP \u6240\u5728\u5b50\u7f51\u7684\u201c\u8d77\u70b9\u5730\u5740\u201d<\/strong><br>\u800c<br><strong>IP \u4e0e\u5b50\u7f51\u63a9\u7801 = \u628a\u4e3b\u673a\u4f4d\u5168\u90e8\u53d8\u6210 0<\/strong><br>\u6240\u4ee5<br><strong>IP \u4e0e\u5b50\u7f51\u63a9\u7801\u5c31\u4e00\u5b9a\u5f97\u5230\u8fd9\u4e2a\u5b50\u7f51\u7684\u8d77\u70b9\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u7f51\u7edc\u5730\u5740\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\">\u5341\u3001\u56de\u5230\u8fd9\u9053\u9898\uff0c\u4e3a\u4ec0\u4e48\u4ed6\u4eec\u8981\u5148\u6c42\u7f51\u7edc\u5730\u5740<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u540e\u9762\u8981\u505a\u7684\u4e8b\u60c5\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5224\u65ad\u4e24\u53f0\u4e3b\u673a\u662f\u5426\u5728\u540c\u4e00\u5b50\u7f51<\/li>\n\n\n\n<li>\u5199\u8def\u7531\u8868\u65f6\u5199\u7684\u662f\u201c\u76ee\u7684\u7f51\u7edc\u201d\uff0c\u4e0d\u662f\u201c\u76ee\u7684\u4e3b\u673a\u201d<\/li>\n\n\n\n<li>\u5206\u6790\u8f6c\u53d1\u8fc7\u7a0b\u65f6\u8981\u5224\u65ad\u76ee\u6807 IP \u5c5e\u4e8e\u54ea\u4e2a\u7f51\u6bb5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u5fc5\u987b\u5148\u628a\u6bcf\u4e2a IP \u6240\u5c5e\u7684\u7f51\u7edc\u5730\u5740\u6c42\u51fa\u6765\u3002<br>\u8fd9\u662f\u8fd9\u7c7b\u9898\u7684\u7b2c\u4e00\u6b65\uff0c\u800c\u4e14\u5f80\u5f80\u662f\u6700\u5173\u952e\u7684\u4e00\u6b65\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u613f\u610f\uff0c\u6211\u4e0b\u4e00\u6b65\u53ef\u4ee5\u7ee7\u7eed\u628a\u201c<strong>\u4e3a\u4ec0\u4e48\u5e7f\u64ad\u5730\u5740\u662f\u4e3b\u673a\u4f4d\u5168 1<\/strong>\u201d\u4e5f\u987a\u7740\u8fd9\u4e00\u5957\u903b\u8f91\u8bb2\u6e05\u695a\uff0c\u8fd9\u6837\u201c\u7f51\u7edc\u5730\u5740\u3001\u4e3b\u673a\u5730\u5740\u3001\u5e7f\u64ad\u5730\u5740\u201d\u4e09\u8005\u5c31\u80fd\u4e00\u6b21\u6027\u5f7b\u5e95\u4e32\u8d77\u6765\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e24\u9898\u5176\u5b9e\u5206\u522b\u5728\u8003\u4e24\u4e2a\u5f88\u5178\u578b\u7684\u7f51\u7edc\u5c42\u57fa\u7840\u70b9\uff1a\u7b2c3\u9898\u8003\u201cIPv4 \u591a\u64ad\u5730\u5740\u5230\u4ee5\u592a\u7f51\u591a\u64ad MAC \u5730\u5740\u7684\u6620\u5c04\u201d\uff1b\u7b2c 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