{"id":3516,"date":"2025-09-21T20:55:49","date_gmt":"2025-09-21T12:55:49","guid":{"rendered":"http:\/\/www.51cos.com\/?p=3516"},"modified":"2025-09-21T20:55:49","modified_gmt":"2025-09-21T12:55:49","slug":"%e6%97%a0%e7%ba%bf%e7%bd%91%e6%a1%a5%e7%9a%84%e6%8a%80%e6%9c%af%e5%8e%9f%e7%90%86%ef%bc%8c%e4%bb%a5%e5%8f%8a%e5%a6%82%e4%bd%95%e6%8a%8a%e4%b8%a4%e5%8f%b0%e8%bf%90%e8%a1%8copenwrt%e7%9a%84%e6%97%a0","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=3516","title":{"rendered":"\u65e0\u7ebf\u7f51\u6865\u7684\u6280\u672f\u539f\u7406\uff0c\u4ee5\u53ca\u5982\u4f55\u628a\u4e24\u53f0\u8fd0\u884copenwrt\u7684\u65e0\u7ebf\u8def\u7531\u5668\u53d8\u6210\u7f51\u6865\uff1f"},"content":{"rendered":"<p>\u53ef\u4ee5\u5c06\u65e0\u7ebf\u7f51\u6865\u60f3\u8c61\u6210\u4e00\u6839<strong>\u201c\u770b\u4e0d\u89c1\u7684\u8d85\u957f\u7f51\u7ebf\u201d<\/strong>\u3002\u5b83\u7684\u6838\u5fc3\u4efb\u52a1\u5c31\u662f\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u76f8\u4e92\u72ec\u7acb\u7684\u6709\u7ebf\u5c40\u57df\u7f51\uff08LAN\uff09\u901a\u8fc7\u65e0\u7ebf\u65b9\u5f0f\u8fde\u63a5\u8d77\u6765\uff0c\u8ba9\u5b83\u4eec\u611f\u89c9\u5c31\u50cf\u5728\u540c\u4e00\u4e2a\u7f51\u7edc\u91cc\u4e00\u6837\u3002<\/p>\n<h3>\u6838\u5fc3\u5de5\u4f5c\u539f\u7406\uff1a\u4e8c\u5c42\u6865\u63a5 (Layer 2 Bridging)<\/h3>\n<p>\u8fd9\u662f\u7406\u89e3\u65e0\u7ebf\u7f51\u6865\u6700\u5173\u952e\u7684\u4e00\u70b9\u3002\u65e0\u7ebf\u7f51\u6865\u5de5\u4f5c\u5728OSI\u7f51\u7edc\u6a21\u578b\u7684<strong>\u7b2c\u4e8c\u5c42\u2014\u2014\u6570\u636e\u94fe\u8def\u5c42\uff08Data Link Layer\uff09<\/strong>\u3002<\/p>\n<ol>\n<li><strong>\u5904\u7406MAC\u5730\u5740\uff0c\u800c\u975eIP\u5730\u5740<\/strong>\uff1a\n<ul>\n<li>\u5728\u6570\u636e\u94fe\u8def\u5c42\uff0c\u7f51\u7edc\u8bbe\u5907\u8bc6\u522b\u7684\u662f<strong>MAC\u5730\u5740<\/strong>\uff08\u7269\u7406\u5730\u5740\uff09\uff0c\u800c\u4e0d\u662f\u7b2c\u4e09\u5c42\uff08\u7f51\u7edc\u5c42\uff09\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u5f53\u4e00\u4e2a\u6570\u636e\u5305\uff08\u5728\u7b2c\u4e8c\u5c42\u79f0\u4e3a\u201c\u5e27\u201d\uff09\u5230\u8fbe\u7f51\u6865A\u65f6\uff0c\u7f51\u6865A\u4f1a\u67e5\u770b\u8fd9\u4e2a\u5e27\u7684\u76ee\u6807MAC\u5730\u5740\u3002<\/li>\n<li>\u5b83\u4e0d\u4f1a\u5173\u5fc3\u8fd9\u4e2a\u6570\u636e\u5305\u7684IP\u5730\u5740\u662f\u4ec0\u4e48\uff0c\u8981\u53bb\u54ea\u91cc\u3002\u5b83\u53ea\u5173\u5fc3\u201c\u8fd9\u4e2aMAC\u5730\u5740\u5728\u6211\u8fd9\u8fb9\u7684\u7f51\u7edc\u91cc\uff0c\u8fd8\u662f\u9700\u8981\u4f20\u5230\u5bf9\u5cb8\u53bb\uff1f\u201d<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u900f\u660e\u4f20\u8f93 (Transparent Bridging)<\/strong>\uff1a\n<ul>\n<li>\u7f51\u6865A\u901a\u8fc7\u5b83\u7684\u4ee5\u592a\u7f51\u53e3\u63a5\u6536\u5230\u4e00\u4e2a\u6570\u636e\u5e27\u3002<\/li>\n<li>\u5b83\u5c06\u8fd9\u4e2a\u6570\u636e\u5e27\u6253\u5305\u6210\u65e0\u7ebf\u4fe1\u53f7\uff0c\u901a\u8fc7\u5929\u7ebf\u53d1\u9001\u7ed9\u8fdc\u7aef\u7684\u7f51\u6865B\u3002<\/li>\n<li>\u7f51\u6865B\u63a5\u6536\u5230\u8fd9\u4e2a\u65e0\u7ebf\u4fe1\u53f7\uff0c\u518d\u628a\u5b83\u89e3\u5305\u8fd8\u539f\u6210\u539f\u59cb\u7684\u6570\u636e\u5e27\u3002<\/li>\n<li>\u6700\u540e\uff0c\u7f51\u6865B\u901a\u8fc7\u81ea\u5df1\u7684\u4ee5\u592a\u7f51\u53e3\uff0c\u5c06\u8fd9\u4e2a\u6570\u636e\u5e27\u53d1\u9001\u5230\u5b83\u6240\u8fde\u63a5\u7684\u5c40\u57df\u7f51\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u5bf9\u4e8e\u4e24\u7aef\u7f51\u7edc\u91cc\u7684\u8ba1\u7b97\u673a\u3001\u670d\u52a1\u5668\u6216\u6444\u50cf\u5934\u6765\u8bf4\uff0c\u5b83\u4eec\u5b8c\u5168\u611f\u89c9\u4e0d\u5230\u4e2d\u95f4\u7ecf\u8fc7\u4e86\u65e0\u7ebf\u4f20\u8f93\u3002\u5b83\u4eec\u4f1a\u8ba4\u4e3a\u81ea\u5df1\u662f\u8fde\u63a5\u5728\u540c\u4e00\u4e2a\u4ea4\u6362\u673a\u4e0a\u3002\u56e0\u6b64\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u662f<strong>\u201c\u900f\u660e\u7684\u201d<\/strong>\u3002\u4e24\u7aef\u7684\u8bbe\u5907\u53ef\u4ee5\u81ea\u7531\u5730\u8fdb\u884c\u5e7f\u64ad\u3001\u53d1\u73b0\uff0c\u5c31\u50cf\u5728\u4e00\u4e2a\u5927\u7684\u5c40\u57df\u7f51\u5185\u4e00\u6837\u3002<\/p>\n<h3>\u4f18\u5316\u7684\u65e0\u7ebf\u4f20\u8f93\u534f\u8bae (Optimized Wireless Protocols)<\/h3>\n<p>\u6807\u51c6Wi-Fi\u4f7f\u7528\u7684\u534f\u8bae\u662f<strong>CSMA\/CA<\/strong>\uff08\u8f7d\u6ce2\u4fa6\u542c\u591a\u8def\u8bbf\u95ee\/\u51b2\u7a81\u907f\u514d\uff09\uff0c\u8fd9\u662f\u4e00\u79cd\u201c\u5148\u542c\u518d\u8bf4\uff0c\u793c\u8c8c\u8c26\u8ba9\u201d\u7684\u673a\u5236\uff0c\u5728\u591a\u7528\u6237\u73af\u5883\u4e0b\u6548\u7387\u5c1a\u53ef\uff0c\u4f46\u5728\u70b9\u5bf9\u70b9\u7684\u957f\u8ddd\u79bb\u4f20\u8f93\u4e2d\u6548\u7387\u4f4e\u4e0b\uff0c\u5bb9\u6613\u56e0\u5ef6\u8fdf\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p>\u8bb8\u591a\u4e13\u4e1a\u7684\u65e0\u7ebf\u7f51\u6865\u5382\u5546\uff08\u5982Ubiquiti, MikroTik\uff09\u4f1a\u4f7f\u7528<strong>\u79c1\u6709\u7684\u8f6e\u8be2\u534f\u8bae<\/strong>\u6216<strong>TDMA (Time Division Multiple Access &#8211; \u65f6\u5206\u591a\u5740)<\/strong>\u534f\u8bae\u3002<\/p>\n<p><strong>TDMA\u539f\u7406<\/strong>\uff1a\u5c06\u901a\u4fe1\u65f6\u95f4\u5212\u5206\u4e3a\u4e00\u4e2a\u4e2a\u5fae\u5c0f\u7684\u65f6\u95f4\u7247\uff08Time Slot\uff09\uff0c\u6bcf\u4e2a\u5ba2\u6237\u7aef\u8bbe\u5907\u88ab\u5206\u914d\u4e00\u4e2a\u56fa\u5b9a\u7684\u65f6\u95f4\u7247\u6765\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u8fd9\u5c31\u50cf\u4e00\u4e2a\u4e25\u683c\u7684\u4ea4\u901a\u8c03\u5ea6\u7cfb\u7edf\uff0c\u907f\u514d\u4e86\u6570\u636e\u201c\u78b0\u649e\u201d\u548c\u201c\u4e89\u62a2\u201d\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u8fdc\u8ddd\u79bb\u4f20\u8f93\u7684\u7a33\u5b9a\u6027\u548c\u541e\u5410\u91cf\uff0c\u5c24\u5176\u662f\u5728\u6709\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\uff08\u70b9\u5bf9\u591a\u70b9\uff09\u7684\u573a\u666f\u4e0b\u3002<\/p>\n<h3>\u65e0\u7ebf\u7f51\u6865\u901a\u5e38\u6709\u4e24\u79cd\u4e3b\u8981\u7684\u5de5\u4f5c\u6a21\u5f0f\uff1a<\/h3>\n<ol>\n<li><strong>\u70b9\u5bf9\u70b9 (Point-to-Point, P2P)<\/strong>\n<ul>\n<li>\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u6a21\u5f0f\uff0c\u5c31\u50cf\u4e00\u5ea7\u6865\u8fde\u63a5\u6cb3\u7684\u4e24\u5cb8\u3002\u7528\u4e24\u4e2a\u7f51\u6865\u8bbe\u5907\uff0c\u4e00\u4e2a\u8bbe\u7f6e\u4e3a<strong>AP\uff08\u63a5\u5165\u70b9\uff09\u6a21\u5f0f<\/strong>\uff0c\u53e6\u4e00\u4e2a\u8bbe\u7f6e\u4e3a<strong>Station\uff08\u5ba2\u6237\u7aef\uff09\u6a21\u5f0f<\/strong>\uff0c\u5c06\u4e24\u4e2a\u4f4d\u7f6e\u7684\u7f51\u7edc\u8fde\u63a5\u8d77\u6765\u3002<\/li>\n<li><strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u8fde\u63a5\u516c\u53f8A\u3001B\u4e24\u680b\u529e\u516c\u697c\u7684\u7f51\u7edc\uff1b\u5c06\u4e3b\u5c4b\u7684\u7f51\u7edc\u5ef6\u4f38\u5230\u8fdc\u5904\u7684\u4ed3\u5e93\u6216\u8f66\u5e93\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u70b9\u5bf9\u591a\u70b9 (Point-to-Multipoint, P2MP)<\/strong>\n<ul>\n<li>\u4e00\u4e2a\u4e2d\u5fc3\u70b9\u7684\u7f51\u6865\uff08\u8bbe\u7f6e\u4e3aAP\u6a21\u5f0f\uff09\u540c\u65f6\u4e0e\u591a\u4e2a\u8fdc\u7aef\u70b9\u7684\u7f51\u6865\uff08\u8bbe\u7f6e\u4e3aStation\u6a21\u5f0f\uff09\u8fdb\u884c\u901a\u4fe1\u3002\u5f62\u6210\u4e00\u4e2a\u661f\u578b\u62d3\u6251\u7ed3\u6784\u3002<\/li>\n<li><strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u65e0\u7ebf\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u4e00\u4e2a\u4e2d\u5fc3\u76d1\u63a7\u5ba4\u8fde\u63a5\u5206\u5e03\u5728\u5382\u533a\u4e0d\u540c\u89d2\u843d\u7684\u591a\u4e2a\u6444\u50cf\u5934\uff1b\u65e0\u7ebfISP\uff08\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\uff09\u4e3a\u4e00\u4e2a\u5c0f\u533a\u7684\u591a\u6237\u5bb6\u5ead\u63d0\u4f9b\u65e0\u7ebf\u5bbd\u5e26\u63a5\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<p>\u4f7f\u7528\u4e24\u53f0 OpenWrt \u8def\u7531\u5668\u6765\u8fbe\u6210\u8fd9\u4e2a\u76ee\u6807\u662f\u5b8c\u5168\u53ef\u884c\u7684\uff0c\u800c\u4e14\u662f OpenWrt \u7684\u4e00\u5927\u5f3a\u9879\u3002<\/p>\n<p>\u8981\u5b9e\u73b0\u4f60\u63cf\u8ff0\u7684\u201c\u900f\u660e\u65e0\u7f1d\u8fde\u63a5\u201d\uff0c\u6700\u6807\u51c6\u3001\u6700\u9ad8\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <strong>WDS (Wireless Distribution System)<\/strong>\u3002WDS \u6b63\u662f\u4e3a\u6b64\u800c\u751f\u7684\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5728\u6570\u636e\u94fe\u8def\u5c42\uff08\u7b2c\u4e8c\u5c42\uff09\u4e0a\u65e0\u7ebf\u5730\u8fde\u63a5\u591a\u4e2a\u63a5\u5165\u70b9\uff0c\u521b\u5efa\u4e00\u4e2a\u5355\u4e00\u7684\u3001\u7edf\u4e00\u7684\u5c40\u57df\u7f51\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u8be6\u7ec6\u7684\u914d\u7f6e\u6b65\u9aa4\uff0c\u6211\u4eec\u5c06\u4e24\u53f0\u8def\u7531\u5668\u5206\u522b\u79f0\u4e3a <strong>\u4e3b\u8def\u7531A (AP-WDS)<\/strong> \u548c <strong>\u4ece\u8def\u7531B (Client-WDS)<\/strong>\u3002<\/p>\n<hr \/>\n<h3>\u573a\u666f\u8bbe\u5b9a<\/h3>\n<ul>\n<li><strong>\u4e3b\u8def\u7531A<\/strong>\uff1a\u8fde\u63a5\u5230\u4e92\u8054\u7f51\u6216\u4e3b\u4ea4\u6362\u673a\u3002\u5b83\u7684\u5c40\u57df\u7f51IP\u662f <code>192.168.1.1<\/code>\u3002\u5b83\u5c06\u4f5c\u4e3aWDS\u7684\u63a5\u5165\u70b9\uff08Access Point\uff09\u3002<\/li>\n<li><strong>\u4ece\u8def\u7531B<\/strong>\uff1a\u653e\u7f6e\u5728\u8fdc\u7a0b\u4f4d\u7f6e\uff0c\u7528\u4e8e\u6269\u5c55\u7f51\u7edc\u3002\u5b83\u5c06\u4f5c\u4e3aWDS\u7684\u5ba2\u6237\u7aef\uff08Station\/Client\uff09\u3002<\/li>\n<li><strong>\u76ee\u6807<\/strong>\uff1a\u5c06\u6709\u7ebf\u8bbe\u5907\uff08\u5982\u7535\u8111\u3001\u6444\u50cf\u5934\uff09\u63d2\u5165\u4ece\u8def\u7531B\u7684LAN\u53e3\uff0c\u8be5\u8bbe\u5907\u80fd\u81ea\u52a8\u4ece\u4e3b\u8def\u7531A\u7684DHCP\u670d\u52a1\u5668\u83b7\u53d6 <code>192.168.1.x<\/code> \u7f51\u6bb5\u7684IP\u5730\u5740\uff0c\u5e76\u4e0e\u4e3b\u8def\u7531A\u7f51\u7edc\u5185\u7684\u6240\u6709\u8bbe\u5907\u65e0\u969c\u788d\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u914d\u7f6e\u6b65\u9aa4<\/h3>\n<h4>\u7b2c\u4e00\u6b65\uff1a\u914d\u7f6e\u4e3b\u8def\u7531A (AP-WDS)<\/h4>\n<ol>\n<li><strong>\u767b\u5f55\u4e3b\u8def\u7531A\u7684OpenWrt\u754c\u9762\u3002<\/strong><\/li>\n<li><strong>\u5bfc\u822a\u5230\u201c\u7f51\u7edc\u201d -> \u201c\u65e0\u7ebf\u201d\u3002<\/strong><\/li>\n<li>\u627e\u5230\u4f60\u6253\u7b97\u7528\u6765\u6865\u63a5\u7684\u65e0\u7ebf\u9891\u6bb5\uff08\u901a\u5e38\u63a8\u83505GHz\uff0c\u5e72\u6270\u5c11\uff0c\u901f\u5ea6\u5feb\uff09\uff0c\u70b9\u51fb\u201c\u4fee\u6539\u201d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u201c\u63a5\u53e3\u914d\u7f6e\u201d -> \u201c\u57fa\u672c\u8bbe\u7f6e\u201d\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u6a21\u5f0f (Mode)<\/strong>\uff1a\u9009\u62e9 <strong>Access Point (WDS)<\/strong>\u3002\u8fd9\u662f\u6700\u5173\u952e\u7684\u4e00\u6b65\uff01<\/li>\n<li><strong>SSID<\/strong>\uff1a\u7ed9\u4f60\u7684\u6865\u63a5\u7f51\u7edc\u8d77\u4e00\u4e2a\u540d\u5b57\uff0c\u4f8b\u5982 <code>MyBridgeLink<\/code>\u3002<\/li>\n<li><strong>\u7f51\u7edc (Network)<\/strong>\uff1a\u786e\u4fdd\u8fd9\u4e2a\u65e0\u7ebf\u63a5\u53e3\u88ab\u52fe\u9009\u5e76\u5206\u914d\u5230 <code>lan<\/code> \u7f51\u7edc\u3002\u8fd9\u4f1a\u5c06\u65e0\u7ebf\u6d41\u91cf\u6865\u63a5\u5230\u6709\u7ebf\u5c40\u57df\u7f51\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u914d\u7f6e\u201c\u65e0\u7ebf\u5b89\u5168\u201d\uff1a<\/strong>\n<ul>\n<li><strong>\u52a0\u5bc6 (Encryption)<\/strong>\uff1a\u5f3a\u70c8\u63a8\u8350\u9009\u62e9 <strong>WPA2-PSK<\/strong> \u6216 WPA3-SAE\u3002<\/li>\n<li><strong>\u5bc6\u7801 (Key)<\/strong>\uff1a\u8bbe\u7f6e\u4e00\u4e2a\u5065\u58ee\u7684\u5bc6\u7801\u3002<strong>\u4ece\u8def\u7531B\u5fc5\u987b\u4f7f\u7528\u5b8c\u5168\u76f8\u540c\u7684\u5bc6\u7801\u3002<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>\uff08\u53ef\u9009\u4f46\u63a8\u8350\uff09\u56fa\u5b9a\u4fe1\u9053\uff1a<\/strong>\n<ul>\n<li>\u5728\u201c\u57fa\u672c\u8bbe\u7f6e\u201d\u4e2d\uff0c\u5c06\u201c\u4fe1\u9053 (Channel)\u201d\u4ece <code>auto<\/code> \u6539\u4e3a\u4e00\u4e2a\u56fa\u5b9a\u7684\u3001\u5e72\u6270\u8f83\u5c11\u7684\u4fe1\u9053\u3002\u4f8b\u5982 <code>36<\/code>, <code>44<\/code>, <code>149<\/code> \u7b49\u3002\u8fd9\u80fd\u589e\u52a0\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4fdd\u5b58\u5e76\u5e94\u7528\u914d\u7f6e\u3002<\/strong> \u70b9\u51fb\u53f3\u4e0b\u89d2\u7684\u201c\u4fdd\u5b58\u5e76\u5e94\u7528\u201d\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4e3b\u8def\u7531A\u7684\u914d\u7f6e\u5230\u6b64\u5b8c\u6210\u3002\u5b83\u73b0\u5728\u662f\u4e00\u4e2a\u7b49\u5f85WDS\u5ba2\u6237\u7aef\u8fde\u63a5\u7684AP\u3002<\/p>\n<h4>\u7b2c\u4e8c\u6b65\uff1a\u914d\u7f6e\u4ece\u8def\u7531B (Client-WDS)<\/h4>\n<p><strong>\u5728\u5f00\u59cb\u914d\u7f6e\u524d\uff0c\u8bf7\u5148\u7528\u7f51\u7ebf\u76f4\u8fde\u7535\u8111\u548c\u4ece\u8def\u7531B\u7684LAN\u53e3\u3002<\/strong><\/p>\n<ol>\n<li><strong>\u4fee\u6539LAN\u53e3IP\u5730\u5740\uff08\u9632\u6b62\u51b2\u7a81\uff09\uff1a<\/strong>\n<ul>\n<li>\u767b\u5f55\u4ece\u8def\u7531B\u7684OpenWrt\u754c\u9762\u3002<\/li>\n<li>\u5bfc\u822a\u5230\u201c\u7f51\u7edc\u201d -> \u201c\u63a5\u53e3\u201d\u3002<\/li>\n<li>\u627e\u5230 <code>lan<\/code> \u63a5\u53e3\uff0c\u70b9\u51fb\u201c\u4fee\u6539\u201d\u3002<\/li>\n<li>\u5c06\u5176 <strong>IPv4 \u5730\u5740<\/strong> \u4fee\u6539\u4e3a\u4e0e\u4e3b\u8def\u7531A\u540c\u7f51\u6bb5\u4f46\u4e0d\u51b2\u7a81\u7684\u5730\u5740\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e3b\u8def\u7531A\u662f <code>192.168.1.1<\/code>\uff0c\u4f60\u53ef\u4ee5\u5c06\u4ece\u8def\u7531B\u8bbe\u7f6e\u4e3a <code>192.168.1.2<\/code>\u3002<\/li>\n<li><strong>IPv4 \u7f51\u5173<\/strong> \u548c <strong>DNS<\/strong> \u90fd\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u4e3b\u8def\u7531A\u7684\u5730\u5740 <code>192.168.1.1<\/code>\u3002<\/li>\n<li>\u70b9\u51fb\u201c\u4fdd\u5b58\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5173\u95edDHCP\u670d\u52a1\uff1a<\/strong>\n<ul>\n<li>\u5728 <code>lan<\/code> \u63a5\u53e3\u7684\u4fee\u6539\u9875\u9762\uff0c\u5207\u6362\u5230 <strong>\u201cDHCP\u670d\u52a1\u5668\u201d<\/strong> \u6807\u7b7e\u9875\u3002<\/li>\n<li>\u52fe\u9009 <strong>\u201c\u5ffd\u7565\u6b64\u63a5\u53e3\u201d (Ignore interface)<\/strong>\u3002\u6211\u4eec\u4e0d\u5e0c\u671b\u4ece\u8def\u7531B\u5206\u914dIP\u5730\u5740\uff0c\u6240\u6709IP\u90fd\u5e94\u7531\u4e3b\u8def\u7531A\u7edf\u4e00\u5206\u914d\u3002<\/li>\n<li>\u70b9\u51fb\u201c\u4fdd\u5b58\u5e76\u5e94\u7528\u201d\u3002\u8def\u7531\u5668\u53ef\u80fd\u4f1a\u63d0\u793a\u914d\u7f6e\u5df2\u5e94\u7528\uff0c\u4e4b\u540e\u4f60\u9700\u8981\u4f7f\u7528\u65b0\u7684IP\u5730\u5740 <code>192.168.1.2<\/code> \u91cd\u65b0\u767b\u5f55\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u914d\u7f6e\u65e0\u7ebf\u8fde\u63a5\uff1a<\/strong>\n<ul>\n<li>\u91cd\u65b0\u767b\u5f55\u4ece\u8def\u7531B\u540e\uff0c\u5bfc\u822a\u5230\u201c\u7f51\u7edc\u201d -> \u201c\u65e0\u7ebf\u201d\u3002<\/li>\n<li>\u70b9\u51fb <strong>\u201c\u626b\u63cf\u201d (Scan)<\/strong>\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u52a0\u5165WDS\u7f51\u7edc\uff1a<\/strong>\n<ul>\n<li>\u5728\u626b\u63cf\u7ed3\u679c\u4e2d\uff0c\u627e\u5230\u4f60\u4e4b\u524d\u5728\u4e3b\u8def\u7531A\u4e0a\u521b\u5efa\u7684SSID\uff08\u4f8b\u5982 <code>MyBridgeLink<\/code>\uff09\uff0c\u70b9\u51fb <strong>\u201c\u52a0\u5165\u7f51\u7edc\u201d (Join Network)<\/strong>\u3002<\/li>\n<li>\u5728\u5f39\u51fa\u7684\u7a97\u53e3\u4e2d\uff1a\n<ul>\n<li><strong>\u8f93\u5165\u5bc6\u7801<\/strong>\uff1a\u8f93\u5165\u4e0e\u4e3b\u8def\u7531A\u4e0a\u5b8c\u5168\u76f8\u540c\u7684WPA\u5bc6\u7801\u3002<\/li>\n<li><strong>\u6a21\u5f0f (Mode)<\/strong>\uff1a\u7cfb\u7edf\u901a\u5e38\u4f1a\u81ea\u52a8\u9009\u62e9 <code>Client<\/code>\uff0c\u4f60\u9700\u8981\u624b\u52a8\u5c06\u5176\u6539\u4e3a <strong>Client (WDS)<\/strong>\u3002\u8fd9\u540c\u6837\u662f\u81f3\u5173\u91cd\u8981\u7684\u4e00\u6b65\uff01<\/li>\n<li><strong>\u7f51\u7edc (Network)<\/strong>\uff1a\u786e\u4fdd\u8fd9\u4e2a\u65b0\u521b\u5efa\u7684\u65e0\u7ebf\u5ba2\u6237\u7aef\u63a5\u53e3\u88ab\u5206\u914d\u5230 <code>lan<\/code> \u7f51\u7edc\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u70b9\u51fb\u201c\u63d0\u4ea4\u201d (Submit)\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6700\u7ec8\u68c0\u67e5\u5e76\u5e94\u7528\uff1a<\/strong>\n<ul>\n<li>\u7cfb\u7edf\u4f1a\u8fd4\u56de\u5230\u65e0\u7ebf\u6982\u89c8\u9875\u9762\uff0c\u786e\u8ba4\u521a\u624d\u7684\u914d\u7f6e\u3002<\/li>\n<li>\u70b9\u51fb\u53f3\u4e0b\u89d2\u7684\u201c\u4fdd\u5b58\u5e76\u5e94\u7528\u201d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr \/>\n<h3>\u7b2c\u4e09\u6b65\uff1a\u9a8c\u8bc1\u914d\u7f6e\u662f\u5426\u6210\u529f<\/h3>\n<ol>\n<li><strong>\u7b49\u5f85\u8fde\u63a5<\/strong>\uff1a\u7b49\u5f85\u7ea6\u4e00\u5206\u949f\uff0c\u8ba9\u4ece\u8def\u7531B\u4e0e\u4e3b\u8def\u7531A\u5efa\u7acbWDS\u8fde\u63a5\u3002<\/li>\n<li><strong>\u68c0\u67e5\u8fde\u63a5\u72b6\u6001<\/strong>\uff1a\u5728\u4ece\u8def\u7531B\u7684\u201c\u7f51\u7edc\u201d -> \u201c\u65e0\u7ebf\u201d\u9875\u9762\uff0c\u4f60\u5e94\u8be5\u80fd\u770b\u5230\u5df2\u8fde\u63a5\u5230 <code>MyBridgeLink<\/code>\uff0c\u5e76\u663e\u793a\u4fe1\u53f7\u5f3a\u5ea6\u3001\u901f\u7387\u7b49\u4fe1\u606f\u3002\u5728\u4e3b\u8def\u7531A\u7684\u65e0\u7ebf\u72b6\u6001\u9875\u9762\uff0c\u4e5f\u5e94\u8be5\u80fd\u770b\u5230\u4ece\u8def\u7531B\u4f5c\u4e3aWDS\u5ba2\u6237\u7aef\u8fde\u63a5\u4e0a\u6765\u3002<\/li>\n<li><strong>\u6700\u7ec8\u6d4b\u8bd5<\/strong>\uff1a\n<ul>\n<li>\u53d6\u4e00\u53f0\u7535\u8111\uff0c\u7528\u7f51\u7ebf\u8fde\u63a5\u5230 <strong>\u4ece\u8def\u7531B<\/strong> \u7684\u4efb\u610f\u4e00\u4e2aLAN\u53e3\u3002<\/li>\n<li>\u68c0\u67e5\u7535\u8111\u7684\u7f51\u7edc\u8bbe\u7f6e\u3002\u5b83\u5e94\u8be5\u80fd\u81ea\u52a8\u83b7\u53d6\u5230\u4e00\u4e2a <code>192.168.1.x<\/code> \u7684IP\u5730\u5740\uff0c\u5e76\u4e14\u7f51\u5173\u662f <code>192.168.1.1<\/code>\uff08\u4e3b\u8def\u7531A\u7684\u5730\u5740\uff09\u3002<\/li>\n<li>\u5c1d\u8bd5 <code>ping 192.168.1.1<\/code>\uff0c\u5e94\u8be5\u80fd\u901a\u3002<\/li>\n<li>\u5c1d\u8bd5\u6253\u5f00\u7f51\u9875\uff0c\u5e94\u8be5\u80fd\u6b63\u5e38\u4e0a\u7f51\u3002<\/li>\n<li>\u5c1d\u8bd5\u8bbf\u95ee\u4e3b\u8def\u7531A\u7f51\u7edc\u4e0b\u7684\u5176\u4ed6\u8bbe\u5907\uff08\u5982NAS\u3001\u6253\u5370\u673a\uff09\uff0c\u5e94\u8be5\u4e5f\u80fd\u6b63\u5e38\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u5982\u679c\u4ee5\u4e0a\u6d4b\u8bd5\u5168\u90e8\u901a\u8fc7\uff0c\u606d\u559c\u4f60\uff01\u4f60\u5df2\u6210\u529f\u7528\u4e24\u53f0OpenWrt\u8def\u7531\u5668\u642d\u5efa\u4e86\u4e00\u4e2a<strong>\u5b8c\u7f8e\u7684\u4e8c\u5c42\u65e0\u7ebf\u7f51\u6865<\/strong>\u3002<\/p>\n<h3>\u91cd\u8981\u63d0\u793a\u548c\u6392\u9519<\/h3>\n<ul>\n<li><strong>\u82af\u7247\u517c\u5bb9\u6027<\/strong>\uff1aWDS\u5e76\u975e\u4e00\u4e2a\u5b8c\u5168\u6807\u51c6\u5316\u7684\u534f\u8bae\uff0c\u4e0d\u540c\u65e0\u7ebf\u82af\u7247\u5382\u5546\uff08\u5982Atheros, MediaTek, Broadcom\uff09\u4e4b\u95f4\u7684WDS\u5b9e\u73b0\u53ef\u80fd\u5b58\u5728\u517c\u5bb9\u6027\u95ee\u9898\u3002<strong>\u6700\u4f73\u5b9e\u8df5\u662f\u4f7f\u7528\u4e24\u53f0\u578b\u53f7\u76f8\u540c\u6216\u81f3\u5c11\u65e0\u7ebf\u82af\u7247\u76f8\u540c\u7684\u8def\u7531\u5668\u3002<\/strong><\/li>\n<li><strong>\u6027\u80fd<\/strong>\uff1aWDS\u8fde\u63a5\u4f1a\u5360\u7528\u4e00\u90e8\u5206\u65e0\u7ebf\u5e26\u5bbd\uff0c\u5b9e\u9645\u541e\u5410\u91cf\u4f1a\u4f4e\u4e8e\u7406\u8bba\u503c\uff0c\u4f46\u8fd9\u5bf9\u4e8e\u5b9e\u73b0\u4e8c\u5c42\u900f\u660e\u6865\u63a5\u662f\u6700\u9ad8\u6548\u7684\u65b9\u5f0f\u3002<\/li>\n<li><strong>\u65e0\u6cd5\u8fde\u63a5<\/strong>\uff1a\u5982\u679c\u8fde\u63a5\u5931\u8d25\uff0c\u8bf7\u68c0\u67e5\uff1a\n<ul>\n<li>SSID\u3001\u52a0\u5bc6\u65b9\u5f0f\u3001\u5bc6\u7801\u662f\u5426\u5728\u4e24\u7aef\u5b8c\u5168\u4e00\u81f4\u3002<\/li>\n<li>\u4fe1\u9053\u662f\u5426\u56fa\u5b9a\u3002<\/li>\n<li>\u4e24\u53f0\u8def\u7531\u5668\u7684\u8ddd\u79bb\u662f\u5426\u8fc7\u8fdc\uff0c\u4fe1\u53f7\u662f\u5426\u592a\u5f31\u3002<\/li>\n<li>\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u662f\u5426\u6709\u76f8\u5173\u9519\u8bef\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u66ff\u4ee3\u65b9\u6848 <code>relayd<\/code><\/strong>\uff1a\u5982\u679c\u56e0\u4e3a\u82af\u7247\u4e0d\u517c\u5bb9\u7b49\u539f\u56e0WDS\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>relayd<\/code> \u8f6f\u4ef6\u5305\u6765\u5b9e\u73b0\u4e00\u4e2a\u201c\u4f2a\u6865\u63a5\u201d\uff08Layer 2 NAT \/ ARP-Proxy\uff09\u3002\u5b83\u4e5f\u80fd\u8ba9\u5ba2\u6237\u7aef\u8bbe\u5907\u5728\u540c\u4e00IP\u7f51\u6bb5\uff0c\u4f46\u5b83\u4e0d\u662f\u771f\u6b63\u7684\u4e8c\u5c42\u900f\u660e\u6865\u63a5\uff0c\u53ef\u80fd\u4f1a\u5bf9\u67d0\u4e9b\u4f9d\u8d56\u5e7f\u64ad\/\u591a\u64ad\u7684\u534f\u8bae\uff08\u5982DLNA\uff09\u9020\u6210\u5f71\u54cd\u3002<strong>WDS\u662f\u9996\u9009\u65b9\u6848\u3002<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3>\u95ee\u9898\u4e00\uff1a\u5982\u679c\u4e0d\u7528DHCP\uff0c\u63a5\u5230\u8def\u7531\u5668A\u4e0eB\u4e0a\u7684\u8bbe\u5907\u5982\u4f55\u901a\u4fe1\uff1f<\/h3>\n<p><strong>\u7b54\u6848\u662f\uff1a\u5b8c\u5168\u53ef\u4ee5\uff0c\u800c\u4e14\u901a\u4fe1\u65b9\u5f0f\u548c\u5b83\u4eec\u8fde\u63a5\u5728\u540c\u4e00\u53f0\u7269\u7406\u4ea4\u6362\u673a\u4e0a\u5b8c\u5168\u4e00\u6837\u3002<\/strong><\/p>\n<p>\u8fd9\u6b63\u662f\u4e8c\u5c42\u900f\u660e\u7f51\u6865\u7684\u5f3a\u5927\u4e4b\u5904\u3002\u7f51\u6865\u672c\u8eab\u5bf9IP\u5730\u5740\uff08\u7b2c\u4e09\u5c42\uff09\u4e00\u65e0\u6240\u77e5\uff0c\u5b83\u53ea\u8d1f\u8d23\u4f20\u9012\u6570\u636e\u5e27\uff08\u7b2c\u4e8c\u5c42\uff09\u3002DHCP\u53ea\u662f\u4e00\u4e2a\u81ea\u52a8\u5206\u914dIP\u5730\u5740\u7684\u4fbf\u6377\u670d\u52a1\uff0c\u5e76\u4e0d\u662f\u8bbe\u5907\u95f4\u901a\u4fe1\u7684\u5fc5\u8981\u524d\u63d0\u3002<\/p>\n<p>\u5728\u6ca1\u6709DHCP\u7684\u73af\u5883\u4e0b\uff0c\u4f60\u9700\u8981\u505a\u7684\u5c31\u662f<strong>\u624b\u52a8\u4e3a\u6240\u6709\u8bbe\u5907\u914d\u7f6e\u9759\u6001IP\u5730\u5740<\/strong>\u3002<\/p>\n<h4>\u914d\u7f6e\u65b9\u6cd5\u548c\u901a\u4fe1\u539f\u7406\uff1a<\/h4>\n<p>\u5047\u8bbe\u4f60\u7684\u7f51\u7edc\u89c4\u5212\u5982\u4e0b\uff1a<br \/>\n*   <strong>\u7f51\u7edc\u5730\u5740<\/strong>\uff1a <code>192.168.1.0<\/code><br \/>\n*   <strong>\u5b50\u7f51\u63a9\u7801<\/strong>\uff1a <code>255.255.255.0<\/code><br \/>\n*   <strong>\u7f51\u5173\uff08\u4e3b\u8def\u7531A\uff09<\/strong>\uff1a<code>192.168.1.1<\/code><\/p>\n<p><strong>1. \u624b\u52a8\u914d\u7f6e\u8bbe\u5907\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u8fde\u63a5\u5728\u4e3b\u8def\u7531A\u4e0a\u7684\u7535\u8111\uff08PC-A\uff09<\/strong>\uff1a\n<ul>\n<li>IP \u5730\u5740\uff1a<code>192.168.1.10<\/code><\/li>\n<li>\u5b50\u7f51\u63a9\u7801\uff1a<code>255.255.255.0<\/code><\/li>\n<li>\u9ed8\u8ba4\u7f51\u5173\uff1a<code>192.168.1.1<\/code> \uff08\u5982\u679c\u9700\u8981\u4e0a\u7f51\uff09<\/li>\n<li>DNS\u670d\u52a1\u5668\uff1a<code>192.168.1.1<\/code> \u6216\u5176\u4ed6\u516c\u5171DNS<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8fde\u63a5\u5728\u4ece\u8def\u7531B\u4e0a\u7684\u6444\u50cf\u5934\uff08Camera-B\uff09<\/strong>\uff1a\n<ul>\n<li>IP \u5730\u5740\uff1a<code>192.168.1.50<\/code><\/li>\n<li>\u5b50\u7f51\u63a9\u7801\uff1a<code>255.255.255.0<\/code><\/li>\n<li>\u9ed8\u8ba4\u7f51\u5173\uff1a<code>192.168.1.1<\/code> \uff08\u5982\u679c\u9700\u8981\u8fdc\u7a0b\u8bbf\u95ee\uff09<\/li>\n<li>DNS\u670d\u52a1\u5668\uff1a<code>192.168.1.1<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>2. \u901a\u4fe1\u6d41\u7a0b\uff08\u4ee5PC-A\u8bbf\u95eeCamera-B\u4e3a\u4f8b\uff09\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u5224\u65ad\u76ee\u6807\u4f4d\u7f6e<\/strong>\uff1aPC-A\uff08<code>192.168.1.10<\/code>\uff09\u60f3\u8bbf\u95ee Camera-B\uff08<code>192.168.1.50<\/code>\uff09\u3002\u5b83\u901a\u8fc7\u5b50\u7f51\u63a9\u7801\u5224\u65ad\u51fa\u76ee\u6807IP\u5730\u5740\u4e0e\u81ea\u5df1\u5728\u540c\u4e00\u4e2a\u5c40\u57df\u7f51\u5185\u3002<\/li>\n<li><strong>ARP\u8bf7\u6c42\uff08\u5bfb\u627e\u7269\u7406\u5730\u5740\uff09<\/strong>\uff1a\u7531\u4e8ePC-A\u4e0d\u77e5\u9053<code>192.168.1.50<\/code>\u8fd9\u4e2aIP\u5730\u5740\u5bf9\u5e94\u7684MAC\u5730\u5740\uff0c\u5b83\u4f1a\u5728\u7f51\u7edc\u4e2d\u53d1\u9001\u4e00\u4e2a<strong>ARP\u5e7f\u64ad\u8bf7\u6c42<\/strong>\uff1a\u201c\u8c01\u662f<code>192.168.1.50<\/code>\uff1f\u8bf7\u544a\u8bc9\u6211\u4f60\u7684MAC\u5730\u5740\u3002\u201d<\/li>\n<li><strong>\u6570\u636e\u5e27\u7684\u900f\u660e\u4f20\u8f93<\/strong>\uff1a\n<ul>\n<li>\u8fd9\u4e2aARP\u5e7f\u64ad\u5e27\u5230\u8fbe\u4e3b\u8def\u7531A\u3002<\/li>\n<li>\u4e3b\u8def\u7531A\u901a\u8fc7WDS\u94fe\u8def\uff0c\u5c06\u8fd9\u4e2a\u5e7f\u64ad\u5e27<strong>\u539f\u5c01\u4e0d\u52a8\u5730<\/strong>\u6253\u5305\u6210\u65e0\u7ebf\u4fe1\u53f7\u53d1\u9001\u7ed9\u4ece\u8def\u7531B\u3002<\/li>\n<li>\u4ece\u8def\u7531B\u63a5\u6536\u5230\u65e0\u7ebf\u4fe1\u53f7\uff0c\u5c06\u5176\u89e3\u5305\u8fd8\u539f\u6210\u539f\u59cb\u7684ARP\u5e7f\u64ad\u5e27\u3002<\/li>\n<li>\u4ece\u8def\u7531B\u5c06\u8fd9\u4e2a\u5e7f\u64ad\u5e27\u901a\u8fc7\u5b83\u7684LAN\u53e3\u53d1\u9001\u51fa\u53bb\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>ARP\u54cd\u5e94<\/strong>\uff1aCamera-B\u6536\u5230\u4e86\u8fd9\u4e2a\u5e7f\u64ad\u8bf7\u6c42\uff0c\u53d1\u73b0\u662f\u5728\u627e\u81ea\u5df1\uff0c\u4e8e\u662f\u5b83\u4f1a\u53d1\u9001\u4e00\u4e2a<strong>ARP\u5355\u64ad\u54cd\u5e94<\/strong>\uff1a\u201c\u6211\u662f<code>192.168.1.50<\/code>\uff0c\u6211\u7684MAC\u5730\u5740\u662f <code>XX:XX:XX:XX:XX:XX<\/code>\u3002\u201d<\/li>\n<li><strong>\u54cd\u5e94\u5e27\u7684\u900f\u660e\u56de\u4f20<\/strong>\uff1a\u8fd9\u4e2a\u54cd\u5e94\u5e27\u901a\u8fc7\u4ece\u8def\u7531B -> WDS\u65e0\u7ebf\u94fe\u8def -> \u4e3b\u8def\u7531A\uff0c\u6700\u7ec8\u5230\u8fbePC-A\u3002<\/li>\n<li><strong>\u5efa\u7acb\u76f4\u63a5\u901a\u4fe1<\/strong>\uff1a\u73b0\u5728PC-A\u77e5\u9053\u4e86Camera-B\u7684MAC\u5730\u5740\uff0c\u5b83\u5c31\u53ef\u4ee5\u5c06\u6570\u636e\u76f4\u63a5\u5c01\u88c5\u6210\u76ee\u6807MAC\u4e3aCamera-B\u7684\u6570\u636e\u5e27\uff0c\u901a\u8fc7\u7f51\u6865\u53d1\u9001\u8fc7\u53bb\u3002\u53cd\u4e4b\u4ea6\u7136\u3002<\/li>\n<\/ol>\n<p><strong>\u7ed3\u8bba<\/strong>\uff1a\u53ea\u8981\u6240\u6709\u8bbe\u5907\u88ab\u624b\u52a8\u914d\u7f6e\u5728\u540c\u4e00\u4e2aIP\u5b50\u7f51\u5185\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u901a\u4fe1\u5c31\u5b8c\u5168\u6ca1\u6709\u95ee\u9898\u3002WDS\u7f51\u6865\u5c31\u50cf\u4e00\u6839\u201c\u770b\u4e0d\u89c1\u7684\u7f51\u7ebf\u201d\uff0c\u5fe0\u5b9e\u5730\u4f20\u9012\u7740\u6240\u6709\u4e8c\u5c42\u6570\u636e\uff0c\u5305\u62ecARP\u8bf7\u6c42\/\u54cd\u5e94\u3001\u5355\u64ad\u3001\u5e7f\u64ad\u7b49\u3002<\/p>\n<hr \/>\n<h3>\u95ee\u9898\u4e8c\uff1a\u662f\u5426\u652f\u6301\u7ec4\u64ad\u534f\u8bae\uff08Multicast\uff09\uff1f<\/h3>\n<p><strong>\u7b54\u6848\u662f\uff1a\u7edd\u5bf9\u652f\u6301\uff01\u8fd9\u6b63\u662fW-D-S\u8fd9\u79cd\u771f-\u4e8c-\u5c42-\u6865-\u63a5\u65b9\u6848\u8fdc\u4f18\u4e8e<code>relayd<\/code>\u7b49\u201c\u4f2a\u6865\u63a5\u201d\u65b9\u6848\u7684\u6838\u5fc3\u4f18\u52bf\u4e4b\u4e00\u3002<\/strong><\/p>\n<h4>\u4e3a\u4ec0\u4e48\u652f\u6301\uff1f<\/h4>\n<p>\u56e0\u4e3aWDS\u521b\u5efa\u7684\u662f\u4e00\u4e2a<strong>\u7edf\u4e00\u7684\u5e7f\u64ad\u57df\uff08Broadcast Domain\uff09<\/strong>\u3002\u5728\u4e8c\u5c42\u7f51\u7edc\u4e2d\uff0c\u7ec4\u64ad\uff08Multicast\uff09\u548c\u5e7f\u64ad\uff08Broadcast\uff09\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u662f\u88ab\u540c\u6837\u5904\u7406\u7684\u2014\u2014\u5373<strong>\u6cdb\u6d2a\uff08Flooding\uff09<\/strong>\u5230\u9664\u4e86\u6765\u6e90\u7aef\u53e3\u4e4b\u5916\u7684\u6240\u6709\u7aef\u53e3\u3002<\/p>\n<ul>\n<li>\u5f53\u4e00\u4e2a\u8bbe\u5907\uff08\u4f8b\u5982\u4f60\u7684\u624b\u673a\uff09\u53d1\u9001\u4e00\u4e2a\u7ec4\u64ad\u5305\uff08\u6bd4\u5982\u7528\u4e8e\u53d1\u73b0\u7f51\u7edc\u4e2d\u7684DLNA\u5a92\u4f53\u670d\u52a1\u5668\uff09\u65f6\uff0c\u8fd9\u4e2a\u6570\u636e\u5e27\u7684\u76ee\u6807MAC\u5730\u5740\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u7ec4\u64adMAC\u5730\u5740\u3002<\/li>\n<li>\u4e3b\u8def\u7531A\u7684<code>br-lan<\/code>\u7f51\u6865\u63a5\u53e3\u6536\u5230\u8fd9\u4e2a\u7ec4\u64ad\u5e27\u540e\uff0c\u4f1a\u5c06\u5176\u8f6c\u53d1\u7ed9\u6240\u6709\u6865\u63a5\u6210\u5458\uff0c\u5176\u4e2d\u5c31\u5305\u62ec\u4e86WDS\u65e0\u7ebf\u94fe\u8def\u3002<\/li>\n<li>\u8fd9\u4e2a\u7ec4\u64ad\u5e27\u901a\u8fc7\u65e0\u7ebf\u88ab\u53d1\u9001\u5230\u4ece\u8def\u7531B\u3002<\/li>\n<li>\u4ece\u8def\u7531B\u7684<code>br-lan<\/code>\u63a5\u53e3\u6536\u5230\u540e\uff0c\u4f1a\u518d\u5c06\u5176\u8f6c\u53d1\u7ed9\u8fde\u63a5\u5728\u5b83\u4e0a\u9762\u7684\u6240\u6709\u6709\u7ebf\u548c\u65e0\u7ebf\u8bbe\u5907\u3002<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0c\u5728\u4ece\u8def\u7531B\u7f51\u7edc\u5185\u7684DLNA\u5ba2\u6237\u7aef\uff0c\u5c31\u80fd\u987a\u5229\u53d1\u73b0\u4e3b\u8def\u7531A\u7f51\u7edc\u5185\u7684DLNA\u670d\u52a1\u5668\u3002<\/p>\n<h4>\u5e38\u89c1\u7684\u4f9d\u8d56\u7ec4\u64ad\u7684\u5e94\u7528\uff1a<\/h4>\n<ul>\n<li><strong>DLNA \/ UPnP<\/strong>\uff1a\u5728\u5c40\u57df\u7f51\u5185\u53d1\u73b0\u548c\u4e32\u6d41\u5a92\u4f53\u6587\u4ef6\u3002<\/li>\n<li><strong>mDNS (Bonjour)<\/strong>\uff1a\u82f9\u679c\u8bbe\u5907\uff08iPhone, Mac\uff09\u548c\u5f88\u591a\u6253\u5370\u673a\u7528\u6765\u4e92\u76f8\u53d1\u73b0\u7684\u670d\u52a1\u3002<\/li>\n<li><strong>IPTV<\/strong>\uff1a\u5f88\u591a\u8fd0\u8425\u5546\u7684\u7535\u89c6\u76d2\u5b50\u4f7f\u7528\u7ec4\u64ad\u6765\u4f20\u8f93\u76f4\u64ad\u7535\u89c6\u6d41\uff0c\u4ee5\u8282\u7701\u5e26\u5bbd\u3002<\/li>\n<li><strong>\u8bbe\u5907\u53d1\u73b0\u534f\u8bae<\/strong>\uff1a\u5f88\u591a\u6444\u50cf\u5934\u3001\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u7684App\u90fd\u662f\u901a\u8fc7\u7ec4\u64ad\u6765\u53d1\u73b0\u5c40\u57df\u7f51\u5185\u7684\u786c\u4ef6\u3002<\/li>\n<li><strong>\u5728\u7ebf\u6e38\u620f<\/strong>\uff1a\u4e00\u4e9b\u5c40\u57df\u7f51\u8054\u673a\u6e38\u620f\u4f7f\u7528\u7ec4\u64ad\u6765\u540c\u6b65\u73a9\u5bb6\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h4>\u4f18\u5316\uff1aIGMP Snooping<\/h4>\n<p>\u4e3a\u4e86\u907f\u514d\u7ec4\u64ad\u6d41\u91cf\u65e0\u8c13\u5730\u585e\u6ee1\u6574\u4e2a\u7f51\u7edc\uff08\u5c24\u5176\u662f\u5b9d\u8d35\u7684\u65e0\u7ebf\u5e26\u5bbd\uff09\uff0c\u73b0\u4ee3\u4ea4\u6362\u673a\u548c\u50cfOpenWrt\u8fd9\u6837\u7684\u9ad8\u7ea7\u56fa\u4ef6\u90fd\u652f\u6301 <strong>IGMP Snooping<\/strong> \u529f\u80fd\u3002<\/p>\n<ul>\n<li><strong>\u4f5c\u7528<\/strong>\uff1a\u7f51\u6865\uff08<code>br-lan<\/code>\uff09\u4f1a\u201c\u5077\u542c\u201d\u7f51\u7edc\u4e2d\u7684IGMP\uff08Internet Group Management Protocol\uff09\u6d88\u606f\u3002\u901a\u8fc7\u8fd9\u4e9b\u6d88\u606f\uff0c\u7f51\u6865\u80fd\u77e5\u9053\u54ea\u4e2a\u7aef\u53e3\u4e0b\u7684\u54ea\u4e2a\u8bbe\u5907\u771f\u6b63\u9700\u8981\u63a5\u6536\u67d0\u4e2a\u7279\u5b9a\u7684\u7ec4\u64ad\u6d41\u3002<\/li>\n<li><strong>\u6548\u679c<\/strong>\uff1a\u5f53\u4e00\u4e2a\u7ec4\u64ad\u5305\u5230\u8fbe\u65f6\uff0c\u7f51\u6865\u4e0d\u518d\u76f2\u76ee\u5730\u6cdb\u6d2a\u5230\u6240\u6709\u7aef\u53e3\uff0c\u800c\u662f\u53ea\u7cbe\u786e\u5730\u8f6c\u53d1\u7ed9\u90a3\u4e9b\u5df2\u7ecf\u201c\u8ba2\u9605\u201d\u4e86\u8be5\u7ec4\u64ad\u7ec4\u7684\u7aef\u53e3\u3002<\/li>\n<li><strong>\u5728OpenWrt\u4e2d<\/strong>\uff1a<code>br-lan<\/code>\u63a5\u53e3\u9ed8\u8ba4<strong>\u542f\u7528<\/strong>\u4e86IGMP Snooping\u3002\u8fd9\u901a\u5e38\u662f\u597d\u4e8b\uff0c\u5b83\u80fd\u663e\u8457\u63d0\u5347\u7f51\u7edc\u6548\u7387\u3002\u4f60\u7684WDS\u94fe\u8def\u4e5f\u4f1a\u56e0\u6b64\u53d7\u76ca\uff0c\u53ea\u6709\u5728\u5bf9\u5cb8\u786e\u5b9e\u6709\u8bbe\u5907\u9700\u8981\u67d0\u4e2a\u7ec4\u64ad\u6d41\u65f6\uff0c\u8be5\u6d41\u91cf\u624d\u4f1a\u88ab\u4f20\u8f93\u8fc7\u53bb\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong>\uff1a\u4e00\u4e2a\u6b63\u786e\u914d\u7f6e\u7684OpenWrt WDS\u7f51\u6865\uff0c\u4e0d\u4ec5\u5b8c\u5168\u652f\u6301\u7ec4\u64ad\uff0c\u8fd8\u80fd\u901a\u8fc7IGMP 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