{"id":10272,"date":"2023-12-30T15:40:02","date_gmt":"2023-12-30T07:40:02","guid":{"rendered":"https:\/\/yanjingang.com\/blog\/?p=10272"},"modified":"2024-12-30T15:52:09","modified_gmt":"2024-12-30T07:52:09","slug":"%e7%bb%84%e6%92%ad-%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/yanjingang.com\/blog\/?p=10272","title":{"rendered":"\u7ec4\u64ad\u2014\u6982\u8ff0"},"content":{"rendered":"<p>\u7ec4\u64ad\u6280\u672f\u5b9e\u73b0\u4e86<span lang=\"EN-US\">IP<\/span>\u7f51\u7edc\u4e2d\u70b9\u5230\u591a\u70b9\u7684\u9ad8\u6548\u6570\u636e\u4f20\u9001\uff0c\u7531\u4e8e\u7ec4\u64ad\u80fd\u591f\u6709\u6548\u5730\u8282\u7ea6\u7f51\u7edc\u5e26\u5bbd\u3001\u964d\u4f4e\u7f51\u7edc\u8d1f\u8f7d\uff0c\u56e0\u6b64\u5728\u5b9e\u65f6\u6570\u636e\u4f20\u9001\u3001\u591a\u5a92\u4f53\u4f1a\u8bae\u3001\u6570\u636e\u62f7\u8d1d\u3001\u6e38\u620f\u548c\u4eff\u771f\u7b49\u8bf8\u591a\u65b9\u9762\u90fd\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u7ec4\u64ad\u7684\u57fa\u672c\u6982\u5ff5\u548c\u76ee\u524d\u901a\u7528\u7684\u7ec4\u64ad\u534f\u8bae\uff0c\u4ee5\u53ca\u7ec4\u64ad\u7ec4\u7f51\u7684\u57fa\u672c\u65b9\u6848\u3002<\/p>\n<h1><span style=\"font-weight: 400;\">1\u00a0 <\/span><span style=\"font-weight: 400;\">\u6982\u8ff0<\/span><\/h1>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">1.1\u00a0 <\/span><span style=\"font-weight: 400;\">\u4ea7\u751f\u80cc\u666f<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4f20\u7edf\u7684<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u901a\u4fe1\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u4e00\u79cd\u662f\u5728\u6e90\u4e3b\u673a\u4e0e\u76ee\u7684\u4e3b\u673a\u4e4b\u95f4\u70b9\u5bf9\u70b9\u7684\u901a\u4fe1\uff0c\u5373\u5355\u64ad\uff1b\u53e6\u4e00\u79cd\u662f\u5728\u6e90\u4e3b\u673a\u4e0e\u540c\u4e00\u7f51\u6bb5\u4e2d\u6240\u6709\u5176\u5b83\u4e3b\u673a\u4e4b\u95f4\u70b9\u5bf9\u591a\u70b9\u7684\u901a\u4fe1\uff0c\u5373\u5e7f\u64ad\u3002\u5982\u679c\u8981\u5c06\u4fe1\u606f\u53d1\u9001\u7ed9\u591a\u4e2a\u4e3b\u673a\u800c\u975e\u6240\u6709\u4e3b\u673a\uff0c\u82e5\u91c7\u7528\u5e7f\u64ad\u65b9\u5f0f\u5b9e\u73b0\uff0c\u4e0d\u4ec5\u4f1a\u5c06\u4fe1\u606f\u53d1\u9001\u7ed9\u4e0d\u9700\u8981\u7684\u4e3b\u673a\u800c\u6d6a\u8d39\u5e26\u5bbd\uff0c\u4e5f\u4e0d\u80fd\u5b9e\u73b0\u8de8\u7f51\u6bb5\u53d1\u9001\uff1b\u82e5\u91c7\u7528\u5355\u64ad\u65b9\u5f0f\u5b9e\u73b0\uff0c\u91cd\u590d\u7684<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u5305\u4e0d\u4ec5\u4f1a\u5360\u7528\u5927\u91cf\u5e26\u5bbd\uff0c\u4e5f\u4f1a\u589e\u52a0\u6e90\u4e3b\u673a\u7684\u8d1f\u8f7d\u3002\u6240\u4ee5\uff0c\u4f20\u7edf\u7684\u5355\u64ad\u548c\u5e7f\u64ad\u901a\u4fe1\u65b9\u5f0f\u4e0d\u80fd\u6709\u6548\u5730\u89e3\u51b3\u5355\u70b9\u53d1\u9001\u3001\u591a\u70b9\u63a5\u6536\u7684\u95ee\u9898\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u662f\u6307\u5728<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7f51\u7edc\u4e2d\u5c06\u6570\u636e\u5305\u4ee5\u5c3d\u529b\u4f20\u9001\u7684\u5f62\u5f0f\u53d1\u9001\u5230\u67d0\u4e2a\u786e\u5b9a\u7684\u8282\u70b9\u96c6\u5408\uff08\u5373\u7ec4\u64ad\u7ec4\uff09\uff0c\u5176\u57fa\u672c\u601d\u60f3\u662f\uff1a\u6e90\u4e3b\u673a\uff08\u5373\u7ec4\u64ad\u6e90\uff09\u53ea\u53d1\u9001\u4e00\u4efd\u6570\u636e\uff0c\u5176\u76ee\u7684\u5730\u5740\u4e3a\u7ec4\u64ad\u7ec4\u5730\u5740\uff1b\u7ec4\u64ad\u7ec4\u4e2d\u7684\u6240\u6709\u63a5\u6536\u8005\u90fd\u53ef\u6536\u5230\u540c\u6837\u7684\u6570\u636e\u62f7\u8d1d\uff0c\u5e76\u4e14\u53ea\u6709\u7ec4\u64ad\u7ec4\u5185\u7684\u4e3b\u673a\u53ef\u4ee5\u63a5\u6536\u8be5\u6570\u636e\uff0c\u800c\u5176\u5b83\u4e3b\u673a\u5219\u4e0d\u80fd\u6536\u5230\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7f29\u7565\u8bed\uff1a<\/span><\/p>\n<table style=\"font-weight: 400;\" width=\"97%\">\n<thead style=\"font-weight: 400;\">\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7f29\u7565\u8bed<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u82f1\u6587\u5168\u540d<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4e2d\u6587\u89e3\u91ca<\/span><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n<tbody style=\"font-weight: 400;\">\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">AS<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Autonomous System<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u81ea\u6cbb\u7cfb\u7edf<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">ASM<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Any-Source Multicast<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4efb\u610f\u4fe1\u6e90\u7ec4\u64ad<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">BSR<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">BootStrap Router<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u81ea\u4e3e\u8def\u7531\u5668<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C-BSR<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Candidate-BSR<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5019\u9009<\/span><span style=\"font-weight: 400;\">BSR<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C-RP<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Candidate-RP<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5019\u9009<\/span><span style=\"font-weight: 400;\">RP<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">DR<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Designated Router<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6307\u5b9a\u8def\u7531\u5668<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IANA<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Internet Assigned Numbers Authority<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4e92\u8054\u7f51\u7f16\u53f7\u5206\u914d\u59d4\u5458\u4f1a<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMP<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Internet Group Management Protocol<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4e92\u8054\u7f51\u7ec4\u7ba1\u7406\u534f\u8bae<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MBGP<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Multi<\/span><span style=\"font-weight: 400;\">cast<\/span><span style=\"font-weight: 400;\">\u00a0Border Gateway Protocol<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u8fb9\u754c\u7f51\u5173\u534f\u8bae<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MP-BGP<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MultiProtocol Border Gateway Protocol<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u591a\u534f\u8bae\u8fb9\u754c\u7f51\u5173\u534f\u8bae<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MSDP<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Multicast Source Discovery Protocol<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6e90\u53d1\u73b0\u534f\u8bae<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">PIM-DM<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Protocol Independent Multicast-Dense Mode<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u534f\u8bae\u65e0\u5173\u7ec4\u64ad\u2014\u5bc6\u96c6\u6a21\u5f0f<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">PIM-SM<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Protocol Independent Multicast-Sparse Mode<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u534f\u8bae\u65e0\u5173\u7ec4\u64ad\u2014\u7a00\u758f\u6a21\u5f0f<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">RP<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Rendezvous Point<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6c47\u96c6\u70b9<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">RPF<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Reverse Path Forwarding<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u9006\u5411\u8def\u5f84\u8f6c\u53d1<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">RPT<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Rendezvous Point Tree<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5171\u4eab\u6811<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SPT<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Shortest Path Tree<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6700\u77ed\u8def\u5f84\u6811<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"font-weight: 400;\">\n<td width=\"17%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SSM<\/span><\/p>\n<\/td>\n<td width=\"51%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Source-Specific Multicast<\/span><\/p>\n<\/td>\n<td width=\"30%\">\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6307\u5b9a\u4fe1\u6e90\u7ec4\u64ad<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">1.2\u00a0 <\/span><span style=\"font-weight: 400;\">\u6280\u672f\u4f18\u70b9<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6280\u672f\u6709\u6548\u5730\u89e3\u51b3\u4e86\u5355\u70b9\u53d1\u9001\u3001\u591a\u70b9\u63a5\u6536\u7684\u95ee\u9898\uff0c\u5b9e\u73b0\u4e86<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7f51\u7edc\u4e2d\u70b9\u5230\u591a\u70b9\u7684\u9ad8\u6548\u6570\u636e\u4f20\u9001\uff0c\u80fd\u591f\u5927\u91cf\u8282\u7ea6\u7f51\u7edc\u5e26\u5bbd\u3001\u964d\u4f4e\u7f51\u7edc\u8d1f\u8f7d\u3002\u4f5c\u4e3a\u4e00\u79cd\u4e0e\u5355\u64ad\u548c\u5e7f\u64ad\u5e76\u5217\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u7ec4\u64ad\u7684\u610f\u4e49\u4e0d\u4ec5\u5728\u4e8e\u6b64\u3002\u66f4\u91cd\u8981\u7684\u662f\uff0c\u53ef\u4ee5\u5229\u7528\u7f51\u7edc\u7684\u7ec4\u64ad\u7279\u6027\u65b9\u4fbf\u5730\u63d0\u4f9b\u4e00\u4e9b\u65b0\u7684\u589e\u503c\u4e1a\u52a1\uff0c\u5305\u62ec\u5728\u7ebf\u76f4\u64ad\u3001\u7f51\u7edc\u7535\u89c6\u3001\u8fdc\u7a0b\u6559\u80b2\u3001\u8fdc\u7a0b\u533b\u7597\u3001\u7f51\u7edc\u7535\u53f0\u3001\u5b9e\u65f6\u89c6\u9891\u4f1a\u8bae\u7b49\u4e92\u8054\u7f51\u7684\u4fe1\u606f\u670d\u52a1\u9886\u57df\u3002<\/span><\/p>\n<h1><span style=\"font-weight: 400;\">2\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6280\u672f\u5b9e\u73b0<\/span><\/h1>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6280\u672f\u7684\u5b9e\u73b0\u9700\u8981\u89e3\u51b3\u4ee5\u4e0b\u51e0\u65b9\u9762\u95ee\u9898\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6e90\u5411\u4e00\u7ec4\u786e\u5b9a\u7684\u63a5\u6536\u8005\u53d1\u9001\u4fe1\u606f\uff0c\u800c\u5982\u4f55\u6765\u6807\u8bc6\u8fd9\u7ec4\u786e\u5b9a\u7684\u63a5\u6536\u8005\uff1f\u2014\u2014\u8fd9\u9700\u8981\u7528\u5230<\/span><u style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u673a\u5236<\/span><\/u><span style=\"font-weight: 400;\">\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u63a5\u6536\u8005\u901a\u8fc7\u52a0\u5165\u7ec4\u64ad\u7ec4\u6765\u5b9e\u73b0\u5bf9\u7ec4\u64ad\u4fe1\u606f\u7684\u63a5\u6536\uff0c\u800c\u63a5\u6536\u8005\u662f\u5982\u4f55\u52a8\u6001\u5730\u52a0\u5165\u6216\u79bb\u5f00\u7ec4\u64ad\u7ec4\u7684\uff1f\u2014\u2014\u5373\u5982\u4f55\u8fdb\u884c<\/span><u style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u6210\u5458\u5173\u7cfb\u7ba1\u7406<\/span><\/u><span style=\"font-weight: 400;\">\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u62a5\u6587\u5728\u7f51\u7edc\u4e2d\u662f\u5982\u4f55\u88ab\u8f6c\u53d1\u5e76\u6700\u7ec8\u5230\u8fbe\u63a5\u6536\u8005\u7684\uff1f\u2014\u2014\u5373<\/span><u style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u62a5\u6587\u8f6c\u53d1<\/span><\/u><span style=\"font-weight: 400;\">\u7684\u8fc7\u7a0b\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u62a5\u6587\u7684\u8f6c\u53d1\u8def\u5f84\uff08\u5373\u7ec4\u64ad\u8f6c\u53d1\u6811\uff09\u662f\u5982\u4f55\u6784\u5efa\u7684\uff1f\u2014\u2014\u8fd9\u662f\u7531\u5404<\/span><u style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u8def\u7531\u534f\u8bae<\/span><\/u><span style=\"font-weight: 400;\">\u6765\u5b8c\u6210\u7684\u3002<\/span><\/li>\n<\/ul>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2.1\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u673a\u5236<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">2.1.1\u00a0 <\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u7528\u4e8e\u6807\u8bc6\u4e00\u4e2a<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u7ec4\u3002<\/span><span style=\"font-weight: 400;\">IANA<\/span><span style=\"font-weight: 400;\">\u628a<\/span><span style=\"font-weight: 400;\">D<\/span><span style=\"font-weight: 400;\">\u7c7b\u5730\u5740\u7a7a\u95f4\u5206\u914d\u7ed9\u7ec4\u64ad\u4f7f\u7528\uff0c\u8303\u56f4\u4ece<\/span><span style=\"font-weight: 400;\">224.0.0.0<\/span><span style=\"font-weight: 400;\">\u5230<\/span><span style=\"font-weight: 400;\">239.255.255.255<\/span><span style=\"font-weight: 400;\">\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/1.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10273 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/1.gif\" alt=\"\" width=\"393\" height=\"31\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe1\u00a0<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u683c\u5f0f<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982<\/span><span style=\"font-weight: 400;\">\u56fe1<\/span><span style=\"font-weight: 400;\">\u6240\u793a\uff0c<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u524d\u56db\u4f4d\u5747\u4e3a\u201c<\/span><span style=\"font-weight: 400;\">1110<\/span><span style=\"font-weight: 400;\">\u201d\uff0c\u800c\u6574\u4e2a<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u7a7a\u95f4\u7684\u5212\u5206\u5219\u5982<\/span><span style=\"font-weight: 400;\">\u56fe2<\/span><span style=\"font-weight: 400;\">\u6240\u793a\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/2.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10274 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/2.gif\" alt=\"\" width=\"264\" height=\"242\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe2\u00a0<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u5212\u5206<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">224.0.0.0<\/span><span style=\"font-weight: 400;\">\u5230<\/span><span style=\"font-weight: 400;\">224.0.0.255<\/span><span style=\"font-weight: 400;\">\u88ab<\/span><span style=\"font-weight: 400;\">IANA<\/span><span style=\"font-weight: 400;\">\u9884\u7559\uff0c\u5730\u5740<\/span><span style=\"font-weight: 400;\">224.0.0.0<\/span><span style=\"font-weight: 400;\">\u4fdd\u7559\u4e0d\u505a\u5206\u914d\uff0c\u5176\u5b83\u5730\u5740\u4f9b\u8def\u7531\u534f\u8bae\u53ca\u62d3\u6251\u67e5\u627e\u548c\u7ef4\u62a4\u534f\u8bae\u4f7f\u7528\u3002\u8be5\u8303\u56f4\u5185\u7684\u5730\u5740\u5c5e\u4e8e\u5c40\u90e8\u8303\u7574\uff0c\u4e0d\u8bba<\/span><span style=\"font-weight: 400;\">TTL<\/span><span style=\"font-weight: 400;\">\u4e3a\u591a\u5c11\uff0c\u90fd\u4e0d\u4f1a\u88ab\u8def\u7531\u5668\u8f6c\u53d1\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">224.0.1.0<\/span><span style=\"font-weight: 400;\">\u5230<\/span><span style=\"font-weight: 400;\">238.255.255.255<\/span><span style=\"font-weight: 400;\">\u4e3a\u7528\u6237\u53ef\u7528\u7684\u7ec4\u64ad\u5730\u5740\uff0c\u5728\u5168\u7f51\u8303\u56f4\u5185\u6709\u6548\u3002\u5176\u4e2d<\/span><span style=\"font-weight: 400;\">232.0.0.0\/8<\/span><span style=\"font-weight: 400;\">\u4e3a<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u7ec4\u5730\u5740\uff0c\u800c\u5176\u4f59\u5219\u5c5e\u4e8e<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u7ec4\u5730\u5740\u3002\u6709\u5173<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u8bf7\u53c2\u89c1\u201c<\/span><span style=\"font-weight: 400;\">2.5\u00a0\u00a0\u7ec4\u64ad\u6a21\u578b\u5206\u7c7b<\/span><span style=\"font-weight: 400;\">\u201d\u4e00\u8282\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">239.0.0.0<\/span><span style=\"font-weight: 400;\">\u5230<\/span><span style=\"font-weight: 400;\">239.255.255.255<\/span><span style=\"font-weight: 400;\">\u4e3a\u672c\u5730\u7ba1\u7406\u7ec4\u64ad\u5730\u5740\uff0c\u4ec5\u5728\u7279\u5b9a\u7684\u672c\u5730\u8303\u56f4\u5185\u6709\u6548\uff0c\u4e5f\u5c5e\u4e8e<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u7ec4\u5730\u5740\u3002\u4f7f\u7528\u672c\u5730\u7ba1\u7406\u7ec4\u5730\u5740\u53ef\u4ee5\u7075\u6d3b\u5b9a\u4e49\u7ec4\u64ad\u57df\u7684\u8303\u56f4\uff0c\u4ee5\u5b9e\u73b0\u4e0d\u540c\u7ec4\u64ad\u57df\u4e4b\u95f4\u7684\u5730\u5740\u9694\u79bb\uff0c\u4ece\u800c\u6709\u52a9\u4e8e\u5728\u4e0d\u540c\u7ec4\u64ad\u57df\u5185\u91cd\u590d\u4f7f\u7528\u76f8\u540c\u7ec4\u64ad\u5730\u5740\u800c\u4e0d\u4f1a\u5f15\u8d77\u51b2\u7a81\u3002<\/span><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\"><em><span style=\"font-weight: 400;\">\u8bf4\u660e\uff1a<\/span><\/em><\/p>\n<p style=\"font-weight: 400;\"><em><span style=\"font-weight: 400;\">224.0.1.0\/24<\/span><span style=\"font-weight: 400;\">\u7f51\u6bb5\u5185\u7684\u4e00\u4e9b\u7ec4\u64ad\u5730\u5740\u4e5f\u88ab<\/span><span style=\"font-weight: 400;\">IANA<\/span><span style=\"font-weight: 400;\">\u9884\u7559\u7ed9\u4e86\u67d0\u4e9b\u7ec4\u64ad\u5e94\u7528\u3002\u8b6c\u5982\uff0c<\/span><span style=\"font-weight: 400;\">224.0.1.1<\/span><span style=\"font-weight: 400;\">\u88ab\u9884\u7559\u7ed9<\/span><span style=\"font-weight: 400;\">NTP<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">Network Time Protocol<\/span><span style=\"font-weight: 400;\">\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u6240\u4f7f\u7528\u3002<\/span><\/em><\/p>\n<h3><span style=\"font-weight: 400;\">2.1.2\u00a0 <\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u5230\u94fe\u8def\u5c42\u7684\u6620\u5c04<\/span><\/h3>\n<p style=\"font-weight: 400;\"><em><span style=\"font-weight: 400;\">\u8bf4\u660e\uff1a<\/span><\/em><\/p>\n<p style=\"font-weight: 400;\"><em><span style=\"font-weight: 400;\">\u672c\u6587\u53ea\u8ba8\u8bba\u4ee5\u592a\u7f51\u94fe\u8def\u5c42\u534f\u8bae\u7684\u7ec4\u64ad\u5b9e\u73b0\uff0c\u5176\u5b83\u94fe\u8def\u5c42\u534f\u8bae\u7684\u7ec4\u64ad\u5b9e\u73b0\u5e76\u4e0d\u4f5c\u4e3a\u672c\u6587\u8ba8\u8bba\u7684\u91cd\u70b9\u3002<\/span><\/em><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IANA<\/span><span style=\"font-weight: 400;\">\u5c06<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u8303\u56f4<\/span><span style=\"font-weight: 400;\">01:00:5E:00:00:00<\/span><span style=\"font-weight: 400;\">\uff5e<\/span><span style=\"font-weight: 400;\">01:00:5E:7F:FF:FF<\/span><span style=\"font-weight: 400;\">\u5206\u914d\u7ed9\u7ec4\u64ad\u4f7f\u7528\uff0c\u8fd9\u5c31\u8981\u6c42\u5c06<\/span><span style=\"font-weight: 400;\">28<\/span><span style=\"font-weight: 400;\">\u4f4d\u7684<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u7a7a\u95f4\u6620\u5c04\u5230<\/span><span style=\"font-weight: 400;\">23<\/span><span style=\"font-weight: 400;\">\u4f4d\u7684\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u7a7a\u95f4\u4e2d\uff0c\u5177\u4f53\u7684\u6620\u5c04\u65b9\u6cd5\u662f\u5c06\u7ec4\u64ad\u5730\u5740\u4e2d\u7684\u4f4e<\/span><span style=\"font-weight: 400;\">23<\/span><span style=\"font-weight: 400;\">\u4f4d\u653e\u5165<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u7684\u4f4e<\/span><span style=\"font-weight: 400;\">23<\/span><span style=\"font-weight: 400;\">\u4f4d\uff0c\u5982<\/span><span style=\"font-weight: 400;\">\u56fe3<\/span><span style=\"font-weight: 400;\">\u6240\u793a\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/3.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10275 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/3.gif\" alt=\"\" width=\"496\" height=\"176\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe3\u00a0<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u5230\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u7684\u6620\u5c04<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7531\u4e8e<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u7684\u540e<\/span><span style=\"font-weight: 400;\">28<\/span><span style=\"font-weight: 400;\">\u4f4d\u4e2d\u53ea\u6709<\/span><span style=\"font-weight: 400;\">23<\/span><span style=\"font-weight: 400;\">\u4f4d\u88ab\u6620\u5c04\u5230\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\uff0c\u8fd9\u6837\u4f1a\u6709<\/span><span style=\"font-weight: 400;\">32<\/span><span style=\"font-weight: 400;\">\u4e2a<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u6620\u5c04\u5230\u540c\u4e00\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u4e0a\u3002<\/span><\/p>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2.2\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u6210\u5458\u5173\u7cfb\u7ba1\u7406<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u6210\u5458\u5173\u7cfb\u7ba1\u7406\u662f\u6307\u5728\u8def\u7531\u5668<\/span><span style=\"font-weight: 400;\">\/<\/span><span style=\"font-weight: 400;\">\u4ea4\u6362\u673a\u4e0a\u5efa\u7acb\u76f4\u8054\u7f51\u6bb5\u5185\u7684\u7ec4\u6210\u5458\u5173\u7cfb\u4fe1\u606f\uff0c\u5177\u4f53\u8bf4\uff0c\u5c31\u662f\u5404\u63a5\u53e3<\/span><span style=\"font-weight: 400;\">\/<\/span><span style=\"font-weight: 400;\">\u7aef\u53e3\u4e0b\u6709\u54ea\u4e9b\u7ec4\u64ad\u7ec4\u7684\u6210\u5458\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">2.2.1\u00a0 <\/span><span style=\"font-weight: 400;\">IGMP<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u8fd0\u884c\u4e8e\u4e3b\u673a\u548c\u4e0e\u4e3b\u673a\u76f4\u8fde\u7684\u8def\u7531\u5668\u4e4b\u95f4\uff0c\u5176\u5b9e\u73b0\u7684\u529f\u80fd\u662f\u53cc\u5411\u7684\uff1a\u4e00\u65b9\u9762\uff0c\u4e3b\u673a\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u901a\u77e5\u8def\u7531\u5668\u5e0c\u671b\u63a5\u6536\u67d0\u4e2a\u7279\u5b9a\u7ec4\u64ad\u7ec4\u7684\u4fe1\u606f\uff1b\u53e6\u4e00\u65b9\u9762\uff0c\u8def\u7531\u5668\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u5468\u671f\u6027\u5730\u67e5\u8be2\u5c40\u57df\u7f51\u5185\u7684\u7ec4\u64ad\u7ec4\u6210\u5458\u662f\u5426\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\uff0c\u5b9e\u73b0\u6240\u8fde\u7f51\u6bb5\u7ec4\u6210\u5458\u5173\u7cfb\u7684\u6536\u96c6\u4e0e\u7ef4\u62a4\u3002\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\uff0c\u5728\u8def\u7531\u5668\u4e2d\u8bb0\u5f55\u7684\u4fe1\u606f\u662f\u67d0\u4e2a\u7ec4\u64ad\u7ec4\u662f\u5426\u5728\u672c\u5730\u6709\u7ec4\u6210\u5458\uff0c\u800c\u4e0d\u662f\u7ec4\u64ad\u7ec4\u4e0e\u4e3b\u673a\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u76ee\u524d<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u6709\u4ee5\u4e0b\u4e09\u4e2a\u7248\u672c\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMPv1<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">RFC 1112<\/span><span style=\"font-weight: 400;\">\uff09\u4e2d\u5b9a\u4e49\u4e86\u57fa\u672c\u7684\u7ec4\u6210\u5458\u67e5\u8be2\u548c\u62a5\u544a\u8fc7\u7a0b\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMPv2<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">RFC 2236<\/span><span style=\"font-weight: 400;\">\uff09\u5728<\/span><span style=\"font-weight: 400;\">IGMPv1<\/span><span style=\"font-weight: 400;\">\u7684\u57fa\u7840\u4e0a\u6dfb\u52a0\u4e86\u7ec4\u6210\u5458\u5feb\u901f\u79bb\u5f00\u7684\u673a\u5236\u7b49\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMPv3<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">RFC 3376<\/span><span style=\"font-weight: 400;\">\uff09\u4e2d\u589e\u52a0\u7684\u4e3b\u8981\u529f\u80fd\u662f\u6210\u5458\u53ef\u4ee5\u6307\u5b9a\u63a5\u6536\u6216\u62d2\u7edd\u6765\u81ea\u67d0\u4e9b\u7ec4\u64ad\u6e90\u7684\u62a5\u6587\uff0c\u4ee5\u5b9e\u73b0\u5bf9<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u7684\u652f\u6301\u3002<\/span><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4ee5\u4e0b\u7740\u91cd\u4ecb\u7ecd<\/span><span style=\"font-weight: 400;\">IGMPv2<\/span><span style=\"font-weight: 400;\">\u7684\u539f\u7406\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/4.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10276 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/4.gif\" alt=\"\" width=\"326\" height=\"259\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe4\u00a0<\/span><span style=\"font-weight: 400;\">IGMPv2<\/span><span style=\"font-weight: 400;\">\u7684\u5de5\u4f5c\u539f\u7406<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982<\/span><span style=\"font-weight: 400;\">\u56fe4<\/span><span style=\"font-weight: 400;\">\u6240\u793a\uff0c\u5f53\u540c\u4e00\u4e2a\u7f51\u6bb5\u5185\u6709\u591a\u4e2a<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u8def\u7531\u5668\u65f6\uff0c<\/span><span style=\"font-weight: 400;\">IGMPv2<\/span><span style=\"font-weight: 400;\">\u901a\u8fc7\u67e5\u8be2\u5668\u9009\u4e3e\u673a\u5236\u4ece\u4e2d\u9009\u4e3e\u51fa\u552f\u4e00\u7684\u67e5\u8be2\u5668\u3002\u67e5\u8be2\u5668\u5468\u671f\u6027\u5730\u53d1\u9001\u666e\u904d\u7ec4\u67e5\u8be2\u6d88\u606f\u8fdb\u884c\u6210\u5458\u5173\u7cfb\u67e5\u8be2\uff0c\u4e3b\u673a\u901a\u8fc7\u53d1\u9001\u62a5\u544a\u6d88\u606f\u6765\u54cd\u5e94\u67e5\u8be2\u3002\u800c\u4f5c\u4e3a\u7ec4\u6210\u5458\u7684\u8def\u7531\u5668\uff0c\u5176\u884c\u4e3a\u4e5f\u4e0e\u666e\u901a\u4e3b\u673a\u4e00\u6837\uff0c\u54cd\u5e94\u5176\u5b83\u8def\u7531\u5668\u7684\u67e5\u8be2\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5f53\u4e3b\u673a\u8981\u52a0\u5165\u7ec4\u64ad\u7ec4\u65f6\uff0c\u4e0d\u5fc5\u7b49\u5f85\u67e5\u8be2\u6d88\u606f\uff0c\u800c\u662f\u4e3b\u52a8\u53d1\u9001\u62a5\u544a\u6d88\u606f\uff1b\u5f53\u4e3b\u673a\u8981\u79bb\u5f00\u7ec4\u64ad\u7ec4\u65f6\uff0c\u4e5f\u4f1a\u4e3b\u52a8\u53d1\u9001\u79bb\u5f00\u7ec4\u6d88\u606f\uff0c\u67e5\u8be2\u5668\u6536\u5230\u79bb\u5f00\u7ec4\u6d88\u606f\u540e\uff0c\u4f1a\u53d1\u9001\u7279\u5b9a\u7ec4\u67e5\u8be2\u6d88\u606f\u6765\u786e\u5b9a\u8be5\u7ec4\u7684\u6240\u6709\u7ec4\u6210\u5458\u662f\u5426\u90fd\u5df2\u79bb\u5f00\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u901a\u8fc7\u4e0a\u8ff0\u673a\u5236\uff0c\u5728\u8def\u7531\u5668\u91cc\u5efa\u7acb\u8d77\u4e00\u5f20\u8868\uff0c\u5176\u4e2d\u8bb0\u5f55\u4e86\u8def\u7531\u5668\u5404\u63a5\u53e3\u6240\u5bf9\u5e94\u5b50\u7f51\u4e0a\u90fd\u6709\u54ea\u4e9b\u7ec4\u7684\u6210\u5458\u3002\u5f53\u8def\u7531\u5668\u6536\u5230\u53d1\u5f80\u7ec4<\/span><span style=\"font-weight: 400;\">G<\/span><span style=\"font-weight: 400;\">\u7684\u7ec4\u64ad\u6570\u636e\u540e\uff0c\u53ea\u5411\u90a3\u4e9b\u6709<\/span><span style=\"font-weight: 400;\">G<\/span><span style=\"font-weight: 400;\">\u7684\u6210\u5458\u7684\u63a5\u53e3\u8f6c\u53d1\u8be5\u6570\u636e\u3002\u81f3\u4e8e\u7ec4\u64ad\u6570\u636e\u5728\u8def\u7531\u5668\u4e4b\u95f4\u5982\u4f55\u8f6c\u53d1\u5219\u7531\u7ec4\u64ad\u8def\u7531\u534f\u8bae\u51b3\u5b9a\uff0c\u800c\u4e0d\u662f<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u7684\u529f\u80fd\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">2.2.2\u00a0 <\/span><span style=\"font-weight: 400;\">IGMP Snooping<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u662f\u9488\u5bf9<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u5c42\u8bbe\u8ba1\u7684\uff0c\u53ea\u80fd\u8bb0\u5f55\u8def\u7531\u5668\u4e0a\u7684\u4e09\u5c42\u63a5\u53e3\u4e0e<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u5730\u5740\u7684\u5bf9\u5e94\u5173\u7cfb\u3002\u4f46\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u7ec4\u64ad\u62a5\u6587\u4e0d\u53ef\u907f\u514d\u5730\u8981\u7ecf\u8fc7\u4e00\u4e9b\u4ea4\u6362\u673a\uff0c\u5982\u679c\u6ca1\u6709\u4e00\u79cd\u673a\u5236\u5c06\u4e8c\u5c42\u7aef\u53e3\u4e0e\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u5bf9\u5e94\u8d77\u6765\uff0c\u7ec4\u64ad\u62a5\u6587\u5c31\u4f1a\u8f6c\u53d1\u7ed9\u4ea4\u6362\u673a\u7684\u6240\u6709\u7aef\u53e3\uff0c\u8fd9\u663e\u7136\u4f1a\u6d6a\u8d39\u5927\u91cf\u7684\u7cfb\u7edf\u8d44\u6e90\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IGMP Snooping<\/span><span style=\"font-weight: 400;\">\u7684\u51fa\u73b0\u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5176\u5de5\u4f5c\u539f\u7406\u4e3a\uff1a\u4e3b\u673a\u53d1\u5f80<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u67e5\u8be2\u5668\u7684\u62a5\u544a\u6d88\u606f\u7ecf\u8fc7\u4ea4\u6362\u673a\u65f6\uff0c\u4ea4\u6362\u673a\u5bf9\u8fd9\u4e2a\u6d88\u606f\u8fdb\u884c\u76d1\u542c\u5e76\u8bb0\u5f55\u4e0b\u6765\uff0c\u4e3a\u7aef\u53e3\u548c\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">MAC<\/span><span style=\"font-weight: 400;\">\u5730\u5740\u5efa\u7acb\u8d77\u6620\u5c04\u5173\u7cfb\uff1b\u5f53\u4ea4\u6362\u673a\u6536\u5230\u7ec4\u64ad\u6570\u636e\u65f6\uff0c\u6839\u636e\u8fd9\u6837\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u53ea\u5411\u8fde\u6709\u7ec4\u6210\u5458\u7684\u7aef\u53e3\u8f6c\u53d1\u7ec4\u64ad\u6570\u636e\u3002<\/span><\/p>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2.3\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u62a5\u6587\u8f6c\u53d1<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">2.3.1\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u8f6c\u53d1\u6811<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u62a5\u6587\u5728\u7f51\u7edc\u4e2d\u6cbf\u7740\u6811\u578b\u8f6c\u53d1\u8def\u5f84\u8fdb\u884c\u8f6c\u53d1\uff0c\u8be5\u8def\u5f84\u79f0\u4e3a\u7ec4\u64ad\u8f6c\u53d1\u6811\u3002\u5b83\u53ef\u5206\u4e3a\u6e90\u6811\uff08<\/span><span style=\"font-weight: 400;\">Source Tree<\/span><span style=\"font-weight: 400;\">\uff09\u548c\u5171\u4eab\u6811\uff08<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\uff09\u4e24\u5927\u7c7b\uff1a<\/span><\/p>\n<h4><span style=\"font-weight: 400;\">1.\u00a0<\/span><span style=\"font-weight: 400;\">\u6e90\u6811<\/span><\/h4>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6e90\u6811\u662f\u6307\u4ee5\u7ec4\u64ad\u6e90\u4f5c\u4e3a\u6811\u6839\uff0c\u5c06\u7ec4\u64ad\u6e90\u5230\u6bcf\u4e00\u4e2a\u63a5\u6536\u8005\u7684\u6700\u77ed\u8def\u5f84\u7ed3\u5408\u8d77\u6765\u6784\u6210\u7684\u8f6c\u53d1\u6811\u3002\u7531\u4e8e\u6e90\u6811\u4f7f\u7528\u7684\u662f\u4ece\u7ec4\u64ad\u6e90\u5230\u63a5\u6536\u8005\u7684\u6700\u77ed\u8def\u5f84\uff0c\u56e0\u6b64\u4e5f\u79f0\u4e3a\u6700\u77ed\u8def\u5f84\u6811\uff08<\/span><span style=\"font-weight: 400;\">SPT<\/span><span style=\"font-weight: 400;\">\uff09\u3002\u5bf9\u4e8e\u67d0\u4e2a\u7ec4\uff0c\u7f51\u7edc\u8981\u4e3a\u4efb\u4f55\u4e00\u4e2a\u5411\u8be5\u7ec4\u53d1\u9001\u62a5\u6587\u7684\u7ec4\u64ad\u6e90\u5efa\u7acb\u4e00\u68f5\u6811\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6e90\u6811\u7684\u4f18\u70b9\u662f\u80fd\u6784\u9020\u7ec4\u64ad\u6e90\u548c\u63a5\u6536\u8005\u4e4b\u95f4\u7684\u6700\u77ed\u8def\u5f84\uff0c\u4f7f\u7aef\u5230\u7aef\u7684\u5ef6\u8fdf\u8fbe\u5230\u6700\u5c0f\u3002\u4f46\u4ed8\u51fa\u7684\u4ee3\u4ef7\u662f\uff0c\u5728\u8def\u7531\u5668\u4e2d\u5fc5\u987b\u4e3a\u6bcf\u4e2a\u7ec4\u64ad\u6e90\u4fdd\u5b58\u8def\u7531\u4fe1\u606f\uff0c\u8fd9\u6837\u4f1a\u5360\u7528\u5927\u91cf\u7684\u7cfb\u7edf\u8d44\u6e90\uff0c\u8def\u7531\u8868\u7684\u89c4\u6a21\u4e5f\u6bd4\u8f83\u5927\u3002<\/span><\/p>\n<h4><span style=\"font-weight: 400;\">2.\u00a0<\/span><span style=\"font-weight: 400;\">\u5171\u4eab\u6811<\/span><\/h4>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4ee5\u67d0\u4e2a\u8def\u7531\u5668\u4f5c\u4e3a\u8def\u7531\u6811\u7684\u6811\u6839\uff0c\u8be5\u8def\u7531\u5668\u79f0\u4e3a\u6c47\u96c6\u70b9\uff08<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff09\uff0c\u5171\u4eab\u6811\u5c31\u662f\u7531<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u5230\u6240\u6709\u63a5\u6536\u8005\u7684\u6700\u77ed\u8def\u8def\u5f84\u6240\u5171\u540c\u6784\u6210\u7684\u8f6c\u53d1\u6811\u3002\u4f7f\u7528\u5171\u4eab\u6811\u65f6\uff0c\u5bf9\u5e94\u67d0\u4e2a\u7ec4\u7f51\u7edc\u4e2d\u53ea\u6709\u4e00\u68f5\u6811\u3002\u6240\u6709\u7684\u7ec4\u64ad\u6e90\u548c\u63a5\u6536\u8005\u90fd\u4f7f\u7528\u8fd9\u68f5\u6811\u6765\u6536\u53d1\u62a5\u6587\uff0c\u7ec4\u64ad\u6e90\u5148\u5411\u6811\u6839\u53d1\u9001\u6570\u636e\u62a5\u6587\uff0c\u4e4b\u540e\u62a5\u6587\u53c8\u5411\u4e0b\u8f6c\u53d1\u5230\u8fbe\u6240\u6709\u7684\u63a5\u6536\u8005\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5171\u4eab\u6811\u7684\u6700\u5927\u4f18\u70b9\u662f\u8def\u7531\u5668\u4e2d\u4fdd\u7559\u7684\u8def\u7531\u4fe1\u606f\u53ef\u4ee5\u5f88\u5c11\uff0c\u7f3a\u70b9\u662f\u7ec4\u64ad\u6e90\u53d1\u51fa\u7684\u62a5\u6587\u8981\u5148\u7ecf\u8fc7<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u518d\u5230\u8fbe\u63a5\u6536\u8005\uff0c\u7ecf\u7531\u7684\u8def\u5f84\u901a\u5e38\u5e76\u975e\u6700\u77ed\uff0c\u800c\u4e14\u5bf9<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u7684\u53ef\u9760\u6027\u548c\u5904\u7406\u80fd\u529b\u8981\u6c42\u5f88\u9ad8\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">2.3.2\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u62a5\u6587\u8f6c\u53d1\u673a\u5236<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5f53\u8def\u7531\u5668\u6536\u5230\u7ec4\u64ad\u6570\u636e\u62a5\u6587\u65f6\uff0c\u6839\u636e\u7ec4\u64ad\u76ee\u7684\u5730\u5740\u67e5\u627e\u7ec4\u64ad\u8f6c\u53d1\u8868\uff0c\u5bf9\u62a5\u6587\u8fdb\u884c\u8f6c\u53d1\u3002\u4e0e\u5355\u64ad\u62a5\u6587\u7684\u8f6c\u53d1\u76f8\u6bd4\uff0c\u7ec4\u64ad\u62a5\u6587\u7684\u8f6c\u53d1\u76f8\u5bf9\u590d\u6742\uff1a\u5728\u5355\u64ad\u62a5\u6587\u7684\u8f6c\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u8def\u7531\u5668\u5e76\u4e0d\u5173\u5fc3\u62a5\u6587\u7684\u6e90\u5730\u5740\uff0c\u53ea\u5173\u5fc3\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\uff0c\u901a\u8fc7\u5176\u76ee\u7684\u5730\u5740\u51b3\u5b9a\u5411\u54ea\u4e2a\u63a5\u53e3\u8f6c\u53d1\uff1b\u800c\u7ec4\u64ad\u62a5\u6587\u662f\u53d1\u9001\u7ed9\u4e00\u7ec4\u63a5\u6536\u8005\u7684\uff0c\u8fd9\u4e9b\u63a5\u6536\u8005\u7528\u4e00\u4e2a\u903b\u8f91\u5730\u5740\uff08\u5373\u7ec4\u64ad\u5730\u5740\uff09\u6807\u8bc6\uff0c\u8def\u7531\u5668\u5728\u6536\u5230\u7ec4\u64ad\u62a5\u6587\u540e\uff0c\u5fc5\u987b\u6839\u636e\u62a5\u6587\u7684\u6e90\u5730\u5740\u786e\u5b9a\u5176\u6b63\u786e\u7684\u5165\u63a5\u53e3\uff08\u6307\u5411\u7ec4\u64ad\u6e90\u65b9\u5411\uff09\u548c\u4e0b\u6e38\u65b9\u5411\uff0c\u7136\u540e\u5c06\u5176\u6cbf\u7740\u8fdc\u79bb\u7ec4\u64ad\u6e90\u7684\u4e0b\u6e38\u65b9\u5411\u8f6c\u53d1\u2014\u2014\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u9006\u5411\u8def\u5f84\u8f6c\u53d1\uff08<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\uff09\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5728<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u6267\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u5229\u7528\u539f\u6709\u7684\u5355\u64ad\u8def\u7531\u8868\u786e\u5b9a\u4e0a\u3001\u4e0b\u6e38\u7684\u90bb\u63a5\u8282\u70b9\uff0c\u53ea\u6709\u62a5\u6587\u4ece\u4e0a\u6e38\u8282\u70b9\u6240\u5bf9\u5e94\u7684\u63a5\u53e3\uff08\u79f0\u4e3a<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u63a5\u53e3\uff0c\u5373\u8def\u7531\u5668\u4e0a\u901a\u8fc7\u5355\u64ad\u65b9\u5f0f\u5411\u8be5\u5730\u5740\u53d1\u9001\u62a5\u6587\u7684\u51fa\u63a5\u53e3\uff09\u5230\u8fbe\u65f6\uff0c\u624d\u5411\u4e0b\u6e38\u8f6c\u53d1\u3002<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u7684\u4e3b\u4f53\u662f<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u68c0\u67e5\uff0c\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u68c0\u67e5\u9664\u4e86\u53ef\u4ee5\u6b63\u786e\u5730\u6309\u7167\u7ec4\u64ad\u8def\u7531\u7684\u914d\u7f6e\u8f6c\u53d1\u62a5\u6587\u5916\uff0c\u8fd8\u53ef\u4ee5\u907f\u514d\u53ef\u80fd\u51fa\u73b0\u7684\u73af\u8def\u3002\u8def\u7531\u5668\u6536\u5230\u7ec4\u64ad\u62a5\u6587\u540e\u5148\u5bf9\u5176\u8fdb\u884c<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u68c0\u67e5\uff0c\u53ea\u6709\u68c0\u67e5\u901a\u8fc7\u624d\u6267\u884c\u8f6c\u53d1\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u68c0\u67e5\u7684\u8fc7\u7a0b\u4e3a\uff1a\u8def\u7531\u5668\u5728\u5355\u64ad\u8def\u7531\u8868\u4e2d\u67e5\u627e\u7ec4\u64ad\u6e90\u6216<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u5bf9\u5e94\u7684<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u63a5\u53e3\uff08\u4f7f\u7528<\/span><span style=\"font-weight: 400;\">SPT<\/span><span style=\"font-weight: 400;\">\u65f6\u67e5\u627e\u7ec4\u64ad\u6e90\u5bf9\u5e94\u7684<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u63a5\u53e3\uff0c\u4f7f\u7528<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\u65f6\u67e5\u627e<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u5bf9\u5e94\u7684<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u63a5\u53e3\uff09\uff0c\u5982\u679c\u7ec4\u64ad\u62a5\u6587\u662f\u4ece<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u63a5\u53e3\u63a5\u6536\u4e0b\u6765\u7684\uff0c\u5219<\/span><span style=\"font-weight: 400;\">RPF<\/span><span style=\"font-weight: 400;\">\u68c0\u67e5\u901a\u8fc7\uff0c\u62a5\u6587\u5411\u4e0b\u6e38\u63a5\u53e3\u8f6c\u53d1\uff1b\u5426\u5219\uff0c\u4e22\u5f03\u8be5\u62a5\u6587\u3002<\/span><\/p>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2.4\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u8def\u7531\u534f\u8bae<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4e0e\u5355\u64ad\u8def\u7531\u4e00\u6837\uff0c\u7ec4\u64ad\u8def\u7531\u534f\u8bae\u4e5f\u5206\u4e3a\u57df\u5185\u548c\u57df\u95f4\u4e24\u5927\u7c7b\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u57df\u5185\u7ec4\u64ad\u8def\u7531\u534f\u8bae\uff1a\u6839\u636e<\/span><span style=\"font-weight: 400;\">IGMP<\/span><span style=\"font-weight: 400;\">\u534f\u8bae\u7ef4\u62a4\u7684\u7ec4\u6210\u5458\u5173\u7cfb\u4fe1\u606f\uff0c\u8fd0\u7528\u4e00\u5b9a\u7684\u7ec4\u64ad\u8def\u7531\u7b97\u6cd5\u6784\u9020\u7ec4\u64ad\u5206\u53d1\u6811\uff0c\u5728\u8def\u7531\u5668\u4e2d\u5efa\u7acb\u7ec4\u64ad\u8def\u7531\u72b6\u6001\uff0c\u8def\u7531\u5668\u6839\u636e\u8fd9\u4e9b\u72b6\u6001\u8fdb\u884c\u7ec4\u64ad\u6570\u636e\u5305\u8f6c\u53d1\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u534f\u8bae\uff1a\u6839\u636e\u7f51\u7edc\u4e2d\u914d\u7f6e\u7684\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u7b56\u7565\uff0c\u5728\u5404\u81ea\u6cbb\u7cfb\u7edf\u95f4\u53d1\u5e03\u5177\u6709\u7ec4\u64ad\u80fd\u529b\u7684\u8def\u7531\u4fe1\u606f\u4ee5\u53ca\u7ec4\u64ad\u6e90\u4fe1\u606f\uff0c\u4f7f\u7ec4\u64ad\u6570\u636e\u80fd\u5728\u57df\u95f4\u8fdb\u884c\u8f6c\u53d1\u3002<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">2.4.1\u00a0 <\/span><span style=\"font-weight: 400;\">\u57df\u5185\u7ec4\u64ad\u8def\u7531\u534f\u8bae<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5728\u4f17\u591a\u57df\u5185\u7ec4\u64ad\u8def\u7531\u534f\u8bae\u4e2d\uff0c<\/span><span style=\"font-weight: 400;\">PIM<\/span><span style=\"font-weight: 400;\">\u662f\u76ee\u524d\u8f83\u4e3a\u5178\u578b\u7684\u4e00\u4e2a\u3002\u6309\u7167\u8f6c\u53d1\u673a\u5236\u7684\u4e0d\u540c\uff0c<\/span><span style=\"font-weight: 400;\">PIM<\/span><span style=\"font-weight: 400;\">\u53ef\u4ee5\u5206\u4e3a<\/span><span style=\"font-weight: 400;\">DM<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">Dense Mode<\/span><span style=\"font-weight: 400;\">\uff0c\u5bc6\u96c6\u6a21\u5f0f\uff09\u548c<\/span><span style=\"font-weight: 400;\">SM<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">Sparse Mode<\/span><span style=\"font-weight: 400;\">\uff0c\u7a00\u758f\u6a21\u5f0f\uff09\u4e24\u79cd\u6a21\u5f0f\u3002<\/span><\/p>\n<h4><span style=\"font-weight: 400;\">1. <\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><\/h4>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5728<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u57df\u4e2d\uff0c\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u7684\u8def\u7531\u5668\u5468\u671f\u6027\u5730\u53d1\u9001<\/span><span style=\"font-weight: 400;\">PIM Hello<\/span><span style=\"font-weight: 400;\">\u6d88\u606f\uff0c\u4ee5\u53d1\u73b0\u90bb\u63a5\u7684<\/span><span style=\"font-weight: 400;\">PIM<\/span><span style=\"font-weight: 400;\">\u8def\u7531\u5668\uff0c\u8fdb\u884c\u53f6\u5b50\u7f51\u7edc\u3001\u53f6\u5b50\u8def\u7531\u5668\u7684\u5224\u65ad\uff0c\u5e76\u8d1f\u8d23\u5728\u591a\u8def\u8bbf\u95ee\u7f51\u7edc\u4e2d\u9009\u4e3e<\/span><span style=\"font-weight: 400;\">DR<\/span><span style=\"font-weight: 400;\">\u2014\u2014\u5c3d\u7ba1<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u672c\u8eab\u5e76\u4e0d\u9700\u8981<\/span><span style=\"font-weight: 400;\">DR<\/span><span style=\"font-weight: 400;\">\uff0c\u4f46\u5982\u679c<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u57df\u4e2d\u7684\u5171\u4eab\u7f51\u7edc\u4e0a\u8fd0\u884c\u4e86<\/span><span style=\"font-weight: 400;\">IGMPv1<\/span><span style=\"font-weight: 400;\">\uff0c\u5219\u9700\u8981\u9009\u4e3e\u51fa<\/span><span style=\"font-weight: 400;\">DR<\/span><span style=\"font-weight: 400;\">\u6765\u5145\u5f53\u5171\u4eab\u7f51\u7edc\u4e0a\u7684<\/span><span style=\"font-weight: 400;\">IGMPv1<\/span><span style=\"font-weight: 400;\">\u67e5\u8be2\u5668\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u5c5e\u4e8e\u5bc6\u96c6\u6a21\u5f0f\u7684\u7ec4\u64ad\u8def\u7531\u534f\u8bae\uff0c\u4f7f\u7528\u201c\u63a8\u201d\u6a21\u5f0f\u4f20\u9001\u7ec4\u64ad\u6570\u636e\uff0c\u901a\u5e38\u9002\u7528\u4e8e\u7ec4\u64ad\u7ec4\u6210\u5458\u76f8\u5bf9\u6bd4\u8f83\u5bc6\u96c6\u7684\u5c0f\u578b\u7f51\u7edc\uff0c\u5176\u57fa\u672c\u539f\u7406\u5982\u4e0b\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u5047\u8bbe\u7f51\u7edc\u4e2d\u7684\u6bcf\u4e2a\u5b50\u7f51\u90fd\u5b58\u5728\u81f3\u5c11\u4e00\u4e2a\u7ec4\u64ad\u7ec4\u6210\u5458\uff0c\u56e0\u6b64\u7ec4\u64ad\u6570\u636e\u5c06\u88ab\u6269\u6563\u5230\u7f51\u7edc\u4e2d\u7684\u6240\u6709\u8282\u70b9\u3002\u7136\u540e\uff0c<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u5bf9\u6ca1\u6709\u7ec4\u64ad\u6570\u636e\u8f6c\u53d1\u7684\u5206\u652f\u8fdb\u884c\u526a\u679d\uff0c\u53ea\u4fdd\u7559\u5305\u542b\u63a5\u6536\u8005\u7684\u5206\u652f\u3002\u8fd9\u79cd\u201c\u6269\u6563\u2014\u526a\u679d\u201d\u73b0\u8c61\u5468\u671f\u6027\u5730\u53d1\u751f\uff0c\u88ab\u526a\u679d\u7684\u5206\u652f\u4e5f\u53ef\u4ee5\u5468\u671f\u6027\u5730\u6062\u590d\u6210\u8f6c\u53d1\u72b6\u6001\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5f53\u88ab\u526a\u679d\u5206\u652f\u7684\u8282\u70b9\u4e0a\u51fa\u73b0\u4e86\u7ec4\u64ad\u7ec4\u7684\u6210\u5458\u65f6\uff0c\u8be5\u8282\u70b9\u901a\u8fc7\u4e3b\u52a8\u5411\u5176\u4e0a\u6e38\u53d1\u9001\u5ac1\u63a5\u62a5\u6587\uff0c\u4ece\u800c\u7531\u526a\u679d\u72b6\u6001\u6062\u590d\u6210\u8f6c\u53d1\u72b6\u6001\uff0c\u4ee5\u6062\u590d\u5bf9\u7ec4\u64ad\u6570\u636e\u7684\u8f6c\u53d1\u3002<\/span><\/li>\n<\/ul>\n<h4><span style=\"font-weight: 400;\">2. <\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><\/h4>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5728<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u4e2d\uff0c\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u7684\u8def\u7531\u5668\u5468\u671f\u6027\u5730\u53d1\u9001<\/span><span style=\"font-weight: 400;\">PIM Hello<\/span><span style=\"font-weight: 400;\">\u6d88\u606f\uff0c\u4ee5\u53d1\u73b0\u90bb\u63a5\u7684<\/span><span style=\"font-weight: 400;\">PIM<\/span><span style=\"font-weight: 400;\">\u8def\u7531\u5668\uff0c\u5e76\u8d1f\u8d23\u5728\u591a\u8def\u8bbf\u95ee\u7f51\u7edc\u4e2d\u9009\u4e3e<\/span><span style=\"font-weight: 400;\">DR<\/span><span style=\"font-weight: 400;\">\u3002\u8fd9\u91cc\uff0c<\/span><span style=\"font-weight: 400;\">DR<\/span><span style=\"font-weight: 400;\">\u8d1f\u8d23\u4e3a\u4e0e\u5176\u76f4\u8fde\u7684\u7ec4\u6210\u5458\u5411\u7ec4\u64ad\u6811\u6839\u8282\u70b9\u7684\u65b9\u5411\u53d1\u9001\u52a0\u5165<\/span><span style=\"font-weight: 400;\">\/<\/span><span style=\"font-weight: 400;\">\u526a\u679d\u6d88\u606f\uff0c\u6216\u662f\u5c06\u76f4\u8fde\u7ec4\u64ad\u6e90\u7684\u6570\u636e\u53d1\u5411\u7ec4\u64ad\u5206\u53d1\u6811\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5c5e\u4e8e\u7a00\u758f\u6a21\u5f0f\u7684\u7ec4\u64ad\u8def\u7531\u534f\u8bae\uff0c\u4f7f\u7528\u201c\u62c9\u201d\u6a21\u5f0f\u4f20\u9001\u7ec4\u64ad\u6570\u636e\uff0c\u901a\u5e38\u9002\u7528\u4e8e\u7ec4\u64ad\u7ec4\u6210\u5458\u5206\u5e03\u76f8\u5bf9\u5206\u6563\u3001\u8303\u56f4\u8f83\u5e7f\u7684\u5927\u4e2d\u578b\u7f51\u7edc\uff0c\u5176\u57fa\u672c\u539f\u7406\u5982\u4e0b\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5047\u8bbe\u6240\u6709\u4e3b\u673a\u90fd\u4e0d\u9700\u8981\u63a5\u6536\u7ec4\u64ad\u6570\u636e\uff0c\u53ea\u5411\u660e\u786e\u63d0\u51fa\u9700\u8981\u7ec4\u64ad\u6570\u636e\u7684\u4e3b\u673a\u8f6c\u53d1\u3002<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5b9e\u73b0\u7ec4\u64ad\u8f6c\u53d1\u7684\u6838\u5fc3\u4efb\u52a1\u5c31\u662f\u6784\u9020\u5e76\u7ef4\u62a4<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\uff0c<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\u9009\u62e9<\/span><span style=\"font-weight: 400;\">PIM<\/span><span style=\"font-weight: 400;\">\u57df\u4e2d\u67d0\u53f0\u8def\u7531\u5668\u4f5c\u4e3a\u516c\u7528\u7684\u6839\u8282\u70b9<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u7ec4\u64ad\u6570\u636e\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u6cbf\u7740<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\u8f6c\u53d1\u7ed9\u63a5\u6536\u8005\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u8fde\u63a5\u63a5\u6536\u8005\u7684\u8def\u7531\u5668\u5411\u67d0\u7ec4\u64ad\u7ec4\u5bf9\u5e94\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u53d1\u9001\u52a0\u5165\u62a5\u6587\uff0c\u8be5\u62a5\u6587\u88ab\u9010\u8df3\u9001\u8fbe<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u6240\u7ecf\u8fc7\u7684\u8def\u5f84\u5c31\u5f62\u6210\u4e86<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\u7684\u5206\u652f\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6e90\u5982\u679c\u8981\u5411\u67d0\u7ec4\u64ad\u7ec4\u53d1\u9001\u7ec4\u64ad\u6570\u636e\uff0c\u9996\u5148\u7531\u4e0e\u7ec4\u64ad\u6e90\u4fa7<\/span><span style=\"font-weight: 400;\">DR<\/span><span style=\"font-weight: 400;\">\u8d1f\u8d23\u5411<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u8fdb\u884c\u6ce8\u518c\uff0c\u628a\u6ce8\u518c\u62a5\u6587\u901a\u8fc7\u5355\u64ad\u65b9\u5f0f\u53d1\u9001\u7ed9<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u8be5\u62a5\u6587\u5230\u8fbe<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u540e\u89e6\u53d1\u5efa\u7acb<\/span><span style=\"font-weight: 400;\">SPT<\/span><span style=\"font-weight: 400;\">\u3002\u4e4b\u540e\u7ec4\u64ad\u6e90\u628a\u7ec4\u64ad\u6570\u636e\u6cbf\u7740<\/span><span style=\"font-weight: 400;\">SPT<\/span><span style=\"font-weight: 400;\">\u53d1\u5411<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u5f53\u7ec4\u64ad\u6570\u636e\u5230\u8fbe<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u540e\uff0c\u88ab\u590d\u5236\u5e76\u6cbf\u7740<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\u53d1\u9001\u7ed9\u63a5\u6536\u8005\u3002<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">2.4.2\u00a0 <\/span><span style=\"font-weight: 400;\">\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u534f\u8bae<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u7528\u6765\u5b9e\u73b0\u7ec4\u64ad\u4fe1\u606f\u5728<\/span><span style=\"font-weight: 400;\">AS<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u7684\u4f20\u9012\uff0c\u76ee\u524d\u6bd4\u8f83\u6210\u578b\u7684\u89e3\u51b3\u65b9\u6848\u6709\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\uff1a\u7528\u4e8e\u5728\u81ea\u6cbb\u57df\u4e4b\u95f4\u4ea4\u6362\u7ec4\u64ad\u8def\u7531\u4fe1\u606f\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\uff1a\u7528\u4e8e\u5728<\/span><span style=\"font-weight: 400;\">ISP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u4ea4\u6362\u7ec4\u64ad\u6e90\u4fe1\u606f\u3002<\/span><\/li>\n<\/ul>\n<h4><span style=\"font-weight: 400;\">1. <\/span><span style=\"font-weight: 400;\">MBGP<\/span><\/h4>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u57df\u95f4\u8def\u7531\u7684\u9996\u8981\u95ee\u9898\u662f\u8def\u7531\u4fe1\u606f\uff08\u6216\u8005\u8bf4\u53ef\u8fbe\u4fe1\u606f\uff09\u5982\u4f55\u5728\u81ea\u6cbb\u7cfb\u7edf\u4e4b\u95f4\u4f20\u9012\uff0c\u7531\u4e8e\u4e0d\u540c\u7684<\/span><span style=\"font-weight: 400;\">AS<\/span><span style=\"font-weight: 400;\">\u53ef\u80fd\u5c5e\u4e8e\u4e0d\u540c\u7684\u8fd0\u8425\u5546\uff0c\u56e0\u6b64\u9664\u4e86\u8ddd\u79bb\u4fe1\u606f\u5916\uff0c\u57df\u95f4\u8def\u7531\u4fe1\u606f\u5fc5\u987b\u5305\u542b\u8fd0\u8425\u5546\u7684\u7b56\u7565\uff0c\u8fd9\u662f\u4e0e\u57df\u5185\u8def\u7531\u4fe1\u606f\u7684\u4e0d\u540c\u4e4b\u5904\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u7684\u7f51\u7edc\u62d3\u6251\u548c\u5355\u64ad\u62d3\u6251\u6709\u53ef\u80fd\u4e0d\u540c\uff0c\u8fd9\u91cc\u65e2\u6709\u7269\u7406\u65b9\u9762\u7684\u539f\u56e0\uff0c\u4e5f\u6709\u7b56\u7565\u65b9\u9762\u7684\u539f\u56e0\u3002\u7f51\u7edc\u4e2d\u7684\u4e00\u4e9b\u8def\u7531\u5668\u53ef\u80fd\u53ea\u652f\u6301\u5355\u64ad\u4e0d\u652f\u6301\u7ec4\u64ad\uff0c\u4e5f\u53ef\u80fd\u6309\u7167\u7b56\u7565\u914d\u7f6e\u4e0d\u8f6c\u53d1\u7ec4\u64ad\u62a5\u6587\u3002\u4e3a\u4e86\u6784\u9020\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u6811\uff0c\u9664\u4e86\u8981\u77e5\u9053\u5355\u64ad\u8def\u7531\u4fe1\u606f\u5916\uff0c\u8fd8\u8981\u77e5\u9053\u7f51\u7edc\u4e2d\u54ea\u4e9b\u90e8\u5206\u662f\u652f\u6301\u7ec4\u64ad\u7684\uff0c\u5373\u7ec4\u64ad\u7684\u7f51\u7edc\u62d3\u6251\u60c5\u51b5\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u57df\u95f4\u7684\u7ec4\u64ad\u8def\u7531\u4fe1\u606f\u4ea4\u6362\u534f\u8bae\u5e94\u8be5\u6ee1\u8db3\u4e0b\u9762\u7684\u8981\u6c42\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u80fd\u5bf9\u5355\u64ad\u548c\u7ec4\u64ad\u62d3\u6251\u8fdb\u884c\u533a\u5206\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6709\u4e00\u5957\u7a33\u5b9a\u7684\u5bf9\u7b49\u548c\u7b56\u7565\u63a7\u5236\u65b9\u6cd5\u3002<\/span><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u76ee\u524d\u4f7f\u7528\u6700\u591a\u7684\u57df\u95f4\u5355\u64ad\u8def\u7531\u534f\u8bae\u662f<\/span><span style=\"font-weight: 400;\">BGP-4<\/span><span style=\"font-weight: 400;\">\uff0c\u7531\u4e8e<\/span><span style=\"font-weight: 400;\">BGP-4<\/span><span style=\"font-weight: 400;\">\u5df2\u6ee1\u8db3\u540e\u4e00\u4e2a\u6761\u4ef6\uff0c\u800c\u4e14\u5df2\u88ab\u8bc1\u660e\u662f\u4e00\u4e2a\u6709\u6548\u7684\u3001\u7a33\u5b9a\u7684\u5355\u64ad\u57df\u95f4\u8def\u7531\u534f\u8bae\uff0c\u56e0\u6b64\u4e3a\u4e86\u5b9e\u73b0\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u4fe1\u606f\u7684\u4f20\u9012\uff0c\u5408\u7406\u7684\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u5bf9<\/span><span style=\"font-weight: 400;\">BGP-4<\/span><span style=\"font-weight: 400;\">\u534f\u8bae\u8fdb\u884c\u589e\u5f3a\u548c\u6269\u5c55\uff0c\u800c\u4e0d\u662f\u6784\u5efa\u4e00\u5957\u5168\u65b0\u7684\u534f\u8bae\u3002\u5728<\/span><span style=\"font-weight: 400;\">RFC 2858<\/span><span style=\"font-weight: 400;\">\u4e2d\u89c4\u5b9a\u4e86\u5bf9<\/span><span style=\"font-weight: 400;\">BGP<\/span><span style=\"font-weight: 400;\">\u8fdb\u884c\u591a\u534f\u8bae\u6269\u5c55\u7684\u65b9\u6cd5\uff0c\u6269\u5c55\u540e\u7684<\/span><span style=\"font-weight: 400;\">BGP<\/span><span style=\"font-weight: 400;\">\u534f\u8bae\uff08\u5373<\/span><span style=\"font-weight: 400;\">MP-BGP<\/span><span style=\"font-weight: 400;\">\uff0c\u4e5f\u5199\u4f5c<\/span><span style=\"font-weight: 400;\">BGP-4+<\/span><span style=\"font-weight: 400;\">\uff09\u4e0d\u4ec5\u80fd\u643a\u5e26<\/span><span style=\"font-weight: 400;\">IPv4<\/span><span style=\"font-weight: 400;\">\u5355\u64ad\u8def\u7531\u4fe1\u606f\uff0c\u4e5f\u80fd\u643a\u5e26\u5176\u5b83\u7f51\u7edc\u5c42\u534f\u8bae\uff08\u5982\u7ec4\u64ad\u3001<\/span><span style=\"font-weight: 400;\">IPv6<\/span><span style=\"font-weight: 400;\">\u7b49\uff09\u7684\u8def\u7531\u4fe1\u606f\uff0c\u643a\u5e26\u7ec4\u64ad\u8def\u7531\u4fe1\u606f\u53ea\u662f\u5176\u4e2d\u4e00\u4e2a\u6269\u5c55\u529f\u80fd\uff0c\u79f0\u4e3a\u7ec4\u64ad<\/span><span style=\"font-weight: 400;\">BGP<\/span><span style=\"font-weight: 400;\">\uff08<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\uff09\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6709\u4e86<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u4e4b\u540e\uff0c\u5355\u64ad\u548c\u7ec4\u64ad\u8def\u7531\u4fe1\u606f\u53ef\u4ee5\u901a\u8fc7\u540c\u4e00\u4e2a\u8fdb\u7a0b\u4ea4\u6362\uff0c\u4f46\u662f\u5b58\u653e\u5728\u4e0d\u540c\u7684\u8def\u7531\u8868\u91cc\u3002\u7531\u4e8e<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u662f<\/span><span style=\"font-weight: 400;\">BGP-4<\/span><span style=\"font-weight: 400;\">\u534f\u8bae\u7684\u4e00\u4e2a\u589e\u5f3a\u7248\uff0c\u56e0\u6b64<\/span><span style=\"font-weight: 400;\">BGP-4<\/span><span style=\"font-weight: 400;\">\u6240\u652f\u6301\u7684\u5e38\u89c1\u7684\u7b56\u7565\u548c\u914d\u7f6e\u65b9\u6cd5\u90fd\u53ef\u4ee5\u7528\u5230\u7ec4\u64ad\u91cc\u3002<\/span><\/p>\n<h4><span style=\"font-weight: 400;\">2. <\/span><span style=\"font-weight: 400;\">MSDP<\/span><\/h4>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5728\u57fa\u672c\u7684<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u6a21\u5f0f\u4e0b\uff0c\u7ec4\u64ad\u6e90\u53ea\u5411\u672c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u5185\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u6ce8\u518c\uff0c\u4e14\u5404\u57df\u7684\u7ec4\u64ad\u6e90\u4fe1\u606f\u662f\u76f8\u4e92\u9694\u79bb\u7684\uff0c\u56e0\u6b64<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4ec5\u77e5\u9053\u672c\u57df\u5185\u7684\u7ec4\u64ad\u6e90\u4fe1\u606f\uff0c\u53ea\u80fd\u5728\u672c\u57df\u5185\u5efa\u7acb\u7ec4\u64ad\u5206\u53d1\u6811\uff0c\u5c06\u672c\u57df\u5185\u7ec4\u64ad\u6e90\u53d1\u51fa\u7684\u7ec4\u64ad\u6570\u636e\u5206\u53d1\u7ed9\u672c\u5730\u7528\u6237\u3002\u800c\u5bf9\u4e8e<\/span><span style=\"font-weight: 400;\">ISP<\/span><span style=\"font-weight: 400;\">\u6765\u8bf4\uff0c\u4e0d\u5e0c\u671b\u4f9d\u9760\u5176\u5b83<\/span><span style=\"font-weight: 400;\">ISP<\/span><span style=\"font-weight: 400;\">\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u8f6c\u53d1\u7ec4\u64ad\u6d41\u91cf\uff0c\u4f46\u540c\u65f6\u53c8\u8981\u6c42\u65e0\u8bba\u7ec4\u64ad\u6e90\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u5728\u54ea\u91cc\uff0c\u90fd\u80fd\u4ece\u7ec4\u64ad\u6e90\u83b7\u53d6\u4fe1\u606f\u53d1\u7ed9\u81ea\u5df1\u5185\u90e8\u7684\u6210\u5458\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u5c31\u662f\u4e3a\u4e86\u89e3\u51b3\u591a\u4e2a<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u4e4b\u95f4\u7684\u4e92\u8fde\u800c\u5f00\u53d1\u7684\u4e00\u79cd\u57df\u95f4\u7ec4\u64ad\u89e3\u51b3\u65b9\u6848\uff0c\u7528\u6765\u53d1\u73b0\u5176\u5b83<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u5185\u7684\u7ec4\u64ad\u6e90\u4fe1\u606f\u3002<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u901a\u8fc7\u5c06\u67d0\u4e2a\u57df\u5185\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e0e\u5176\u5b83\u57df\u5185\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u5efa\u7acb<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u5bf9\u7b49\u4f53\u5173\u7cfb\uff0c\u4ee5\u8fde\u901a\u5404<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u5e76\u5229\u7528\u8fd9\u4e9b\u5bf9\u7b49\u4f53\u5173\u7cfb\u4ea4\u6362\u7ec4\u64ad\u6e90\u4fe1\u606f\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5c3d\u7ba1<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u662f\u4e3a\u57df\u95f4\u7ec4\u64ad\u5f00\u53d1\u7684\uff0c\u4f46\u5b83\u5728<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u5185\u8fd8\u6709\u7740\u4e00\u9879\u7279\u6b8a\u7684\u5e94\u7528\u2014\u2014<\/span><span style=\"font-weight: 400;\">Anycast RP<\/span><span style=\"font-weight: 400;\">\uff08\u4efb\u64ad<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff09\u3002<\/span><span style=\"font-weight: 400;\">Anycast RP<\/span><span style=\"font-weight: 400;\">\u662f\u6307\u5728\u540c\u4e00<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u5185\u901a\u8fc7\u8bbe\u7f6e\u4e24\u4e2a\u6216\u591a\u4e2a\u5177\u6709\u76f8\u540c\u5730\u5740\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u5e76\u5728\u8fd9\u4e9b<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u5efa\u7acb<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u5bf9\u7b49\u4f53\u5173\u7cfb\uff0c\u4ee5\u5b9e\u73b0\u57df\u5185\u5404<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u7684\u8d1f\u8f7d\u5206\u62c5\u548c\u5197\u4f59\u5907\u4efd\u3002<\/span><\/p>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2.5\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6a21\u578b\u5206\u7c7b<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u6839\u636e\u63a5\u6536\u8005\u5bf9\u7ec4\u64ad\u6e90\u5904\u7406\u65b9\u5f0f\u7684\u4e0d\u540c\uff0c\u7ec4\u64ad\u6a21\u578b\u5206\u4e3a\u4ee5\u4e0b\u4e24\u5927\u7c7b\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\uff1a\u5373\u4efb\u610f\u6e90\u7ec4\u64ad\u6a21\u578b\u3002\u5728<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u4e2d\uff0c\u4efb\u4e00\u53d1\u9001\u8005\u90fd\u53ef\u4f5c\u4e3a\u7ec4\u64ad\u6e90\u5411\u67d0\u7ec4\u64ad\u7ec4\u5730\u5740\u53d1\u9001\u7ec4\u64ad\u4fe1\u606f\uff0c\u63a5\u6536\u8005\u901a\u8fc7\u52a0\u5165\u7531\u8be5\u7ec4\u64ad\u7ec4\u5730\u5740\u6807\u8bc6\u7684\u7ec4\u64ad\u7ec4\u4ee5\u83b7\u5f97\u53d1\u5f80\u8be5\u7ec4\u64ad\u7ec4\u7684\u7ec4\u64ad\u4fe1\u606f\u3002\u5728<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u4e2d\uff0c\u63a5\u6536\u8005\u65e0\u6cd5\u9884\u5148\u77e5\u9053\u7ec4\u64ad\u6e90\u7684\u4f4d\u7f6e\uff0c\u4f46\u53ef\u4ee5\u5728\u4efb\u610f\u65f6\u95f4\u52a0\u5165\u6216\u79bb\u5f00\u7ec4\u64ad\u7ec4\u3002<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\uff1a\u5373<\/span><span style=\"font-weight: 400;\">\u6307\u5b9a\u4fe1\u6e90\u7ec4\u64ad\u6a21\u578b\u3002\u5728\u73b0\u5b9e\u751f\u6d3b\u4e2d\uff0c\u7528\u6237\u53ef\u80fd\u53ea\u5bf9\u67d0\u4e9b\u7ec4\u64ad\u6e90\u53d1\u9001\u7684\u7ec4\u64ad\u4fe1\u606f\u611f\u5174\u8da3\uff0c\u800c\u4e0d\u613f\u63a5\u6536\u5176\u5b83\u6e90\u53d1\u9001\u7684\u4fe1\u606f\u3002<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u4e00\u79cd\u80fd\u591f\u5728\u5ba2\u6237\u7aef\u6307\u5b9a\u7ec4\u64ad\u6e90\u7684\u4f20\u8f93\u670d\u52a1\u3002<\/span><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4e0a\u4e00\u8282\u6240\u63cf\u8ff0\u7684\u7ec4\u64ad\u8def\u7531\u534f\u8bae\u6784\u67b6\u4e3b\u8981\u9488\u5bf9<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u3002\u5728<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u4e0b\uff0c\u63a5\u6536\u8005\u65e0\u6cd5\u9009\u62e9\u7ec4\u64ad\u6e90\uff0c\u53ea\u80fd\u88ab\u52a8\u5730\u63a5\u6536\u6240\u6709\u7ec4\u64ad\u6e90\u7684\u4fe1\u606f\uff0c\u800c<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u7684\u63d0\u51fa\u5219\u4e3a\u6307\u5b9a\u6e90\u7ec4\u64ad\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u8981\u6c42\u4f7f\u7528\u4e0e<\/span><span style=\"font-weight: 400;\">ASM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u4e0d\u540c\u7684\u7ec4\u5730\u5740\uff0c\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u76f4\u63a5\u5728\u63a5\u6536\u8005\u4e0e\u7ec4\u64ad\u6e90\u4e4b\u95f4\u5efa\u7acb\u4e13\u7528\u7684\u7ec4\u64ad\u8f6c\u53d1\u8def\u5f84<\/span><span style=\"font-weight: 400;\">\u3002\u7531\u4e8e\u63a5\u6536\u8005\u53ef\u901a\u8fc7\u5176\u5b83\u6e20\u9053\uff08\u5982\u5e7f\u544a\u54a8\u8be2\u7b49\uff09\u4e8b\u5148\u4e86\u89e3\u7ec4\u64ad\u6e90\u7684\u5730\u5740\uff0c\u56e0\u6b64<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u65e0\u9700<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u65e0\u9700\u6784\u5efa<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\uff0c\u65e0\u9700\u7ec4\u64ad\u6e90\u6ce8\u518c\u8fc7\u7a0b\uff0c\u4e5f\u65e0\u9700\u901a\u8fc7<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u6765\u53d1\u73b0\u5176\u5b83<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u57df\u5185\u7684\u7ec4\u64ad\u6e90\u3002\u540c\u65f6\uff0c<\/span><span style=\"font-weight: 400;\">SSM<\/span><span style=\"font-weight: 400;\">\u6a21\u578b\u8fd8\u8981\u6c42\u5728\u63a5\u6536\u8005\u4e3b\u673a\u6240\u5728\u7684\u7f51\u6bb5\uff0c\u8def\u7531\u5668\u80fd\u591f\u4e86\u89e3\u4e3b\u673a\u52a0\u5165\u7ec4\u64ad\u7ec4\u65f6\u6240\u6307\u5b9a\u7684\u7ec4\u64ad\u6e90\uff1a<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982\u679c\u63a5\u6536\u8005\u4e3b\u673a\u8fd0\u884c\u7684\u662f<\/span><span style=\"font-weight: 400;\">IGMPv3<\/span><span style=\"font-weight: 400;\">\uff0c\u53ef\u4ee5\u5728<\/span><span style=\"font-weight: 400;\">IGMPv3<\/span><span style=\"font-weight: 400;\">\u7684\u62a5\u544a\u62a5\u6587\u4e2d\u76f4\u63a5\u6307\u5b9a\u7ec4\u64ad\u6e90\u7684\u5730\u5740\uff1b<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982\u679c\u67d0\u4e9b\u63a5\u6536\u8005\u4e3b\u673a\u53ea\u80fd\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">IGMPv1\/v2<\/span><span style=\"font-weight: 400;\">\uff0c\u7531\u4e8e<\/span><span style=\"font-weight: 400;\">IGMPv1\/v2<\/span><span style=\"font-weight: 400;\">\u7684\u62a5\u544a\u62a5\u6587\u4e2d\u65e0\u6cd5\u6307\u5b9a\u7ec4\u64ad\u6e90\u7684\u5730\u5740\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u5728\u8def\u7531\u5668\u4e0a\u914d\u7f6e<\/span><span style=\"font-weight: 400;\">SSM Mapping<\/span><span style=\"font-weight: 400;\">\u9759\u6001\u6620\u5c04\u89c4\u5219\uff0c\u5c06<\/span><span style=\"font-weight: 400;\">IGMPv1\/v2<\/span><span style=\"font-weight: 400;\">\u62a5\u544a\u62a5\u6587\u4e2d\u6240\u5305\u542b\u7684\uff08<\/span><span style=\"font-weight: 400;\">*<\/span><span style=\"font-weight: 400;\">\uff0c<\/span><span style=\"font-weight: 400;\">G<\/span><span style=\"font-weight: 400;\">\uff09\u4fe1\u606f\u6620\u5c04\u4e3a\uff08<\/span><span style=\"font-weight: 400;\">G<\/span><span style=\"font-weight: 400;\">\uff0c<\/span><span style=\"font-weight: 400;\">INCLUDE<\/span><span style=\"font-weight: 400;\">\uff0c\uff08<\/span><span style=\"font-weight: 400;\">S1<\/span><span style=\"font-weight: 400;\">\uff0c<\/span><span style=\"font-weight: 400;\">S2&#8230;<\/span><span style=\"font-weight: 400;\">\uff09\uff09\u4fe1\u606f\u3002<\/span><\/li>\n<\/ul>\n<h1><span style=\"font-weight: 400;\">3\u00a0 <\/span><span style=\"font-weight: 400;\">\u5178\u578b\u7ec4\u7f51\u5e94\u7528<\/span><\/h1>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">3.1\u00a0 <\/span><span style=\"font-weight: 400;\">\u5355\u57df\u7ec4\u64ad\u7ec4\u7f51<\/span><span style=\"font-weight: 400;\">\u5e94\u7528<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u76ee\u524d\uff0c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u662f\u57df\u5185\u7ec4\u64ad\u7684\u516c\u8ba4\u6807\u51c6\u3002\u5bf9\u4e8e\u7531\u4e00\u4e2a\u81ea\u6cbb\u57df\u7ec4\u6210\u7684\u7f51\u7edc\uff0c\u6216\u8005\u7ec4\u64ad\u4ec5\u5728\u57df\u5185\u8fdb\u884c\u65f6\uff0c\u4ec5\u9700\u5728\u7f51\u7edc\u4e2d\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5373\u53ef\u3002\u4e3a\u4e86\u589e\u5f3a<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u4e2d<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u7684\u53ef\u9760\u6027\uff0c\u4ee5\u53ca\u5bf9\u7f51\u7edc\u4e2d\u7684\u7ec4\u64ad\u6d41\u91cf\u8fdb\u884c\u5206\u62c5\uff0c\u53ef\u5728\u7f51\u7edc\u4e2d\u9009\u53d6\u82e5\u5e72<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\uff0c\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">Anycast RP<\/span><span style=\"font-weight: 400;\">\uff0c\u8fbe\u5230\u5197\u4f59\u5907\u4efd\u53ca\u8d1f\u8f7d\u5206\u62c5\u7684\u76ee\u7684\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u4f7f\u7528<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u534f\u8bae\u7684\u5355\u57df\u7ec4\u64ad\u7ec4\u7f51\u5982<\/span><span style=\"font-weight: 400;\">\u56fe5<\/span><span style=\"font-weight: 400;\">\u6240\u793a\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/5.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10281 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/5.gif\" alt=\"\" width=\"497\" height=\"311\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe5\u00a0<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5355\u57df\u7ec4\u64ad\u7ec4\u7f51<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">3.2\u00a0 <\/span><span style=\"font-weight: 400;\">\u8de8\u57df\u7ec4\u64ad\u7ec4\u7f51<\/span><span style=\"font-weight: 400;\">\u5e94\u7528<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">3.2.1\u00a0 <\/span><span style=\"font-weight: 400;\">PIM-SM\/MBGP\/MSDP<\/span><span style=\"font-weight: 400;\">\u65b9\u6848<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u57df\u95f4\u7ec4\u64ad\u76ee\u524d\u6bd4\u8f83\u6210\u578b\u7684\u89e3\u51b3\u65b9\u6848\u662f<\/span><span style=\"font-weight: 400;\">PIM-SM\/MBGP\/MSDP<\/span><span style=\"font-weight: 400;\">\u7ec4\u5408\u65b9\u6848\uff0c\u5b83\u8981\u6c42\u6240\u6709\u7684\u81ea\u6cbb\u57df\u90fd\u652f\u6301<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u3001<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u3002\u5982<\/span><span style=\"font-weight: 400;\">\u56fe6<\/span><span style=\"font-weight: 400;\">\u6240\u793a\uff0c\u5728\u5168\u7f51\u5404\u81ea\u6cbb\u57df\u90fd\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\uff0c\u57df\u95f4\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/6.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10280 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/6.gif\" alt=\"\" width=\"415\" height=\"307\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe6\u00a0<\/span><span style=\"font-weight: 400;\">PIM-SM\/MBGP\/MSDP<\/span><span style=\"font-weight: 400;\">\u65b9\u6848<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u8be5\u65b9\u6848\u5b9e\u9645\u4e0a\u662f<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5728\u57df\u95f4\u73af\u5883\u4e0b\u7684\u6269\u5c55\uff0c\u5982\u679c\u628a\u6574\u4e2a<\/span><span style=\"font-weight: 400;\">PIM-SM\/MBGP\/MSDP<\/span><span style=\"font-weight: 400;\">\u7ec4\u5408\u65b9\u6848\u673a\u5236\u770b\u4f5c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\uff0c\u5219\u6240\u6709\u57df\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u7684\u96c6\u5408\u5c31\u662f<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u534f\u8bae\u4e2d\u7684\u201c<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u201d\uff0c\u800c\u8be5\u65b9\u6848\u65e0\u975e\u662f\u589e\u52a0\u4e86\u4ee5\u4e0b\u4e24\u4e2a\u8fc7\u7a0b\uff1a<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">(1) <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6e90\u4fe1\u606f\u5728<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u96c6\u5408\u4e2d\u7684\u6cdb\u6ee5\uff0c\u4ee5\u5b9e\u73b0\u7ec4\u64ad\u6e90\u548c\u6210\u5458\u5728\u201c<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u201d\u70b9\u7684\u4f1a\u5408\uff1b<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">(2)<\/span><span style=\"font-weight: 400;\">\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u4fe1\u606f\u7684\u4f20\u9012\uff0c\u76ee\u7684\u662f\u4fdd\u8bc1\u7ec4\u64ad\u62a5\u6587\u5728\u57df\u95f4\u7684\u987a\u5229\u8f6c\u53d1\u3002\u5728\u4e0a\u8ff0\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e2a<\/span><span style=\"font-weight: 400;\">AS<\/span><span style=\"font-weight: 400;\">\u4e2d\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u548c\u63a5\u6536\u7aef\u5411\u53e6\u4e00\u4e2a<\/span><span style=\"font-weight: 400;\">AS<\/span><span style=\"font-weight: 400;\">\u4e2d\u7684\u8fdc\u7aef\u5efa\u7acb\u9006\u5411\u8def\u5f84\u7684\u8fc7\u7a0b\u4e2d\u90fd\u9700\u8981\u7528\u5230<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u4f20\u9012\u7684\u7ec4\u64ad\u62d3\u6251\u4fe1\u606f\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5728\u8be5\u65b9\u6848\u4e2d\uff0c\u81ea\u6cbb\u57df\u8fb9\u754c\u8def\u7531\u5668\u4e4b\u95f4\u914d\u7f6e\u5916\u90e8<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u5bf9\u7b49\u4f53\uff0c<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u914d\u7f6e\u5916\u90e8<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u5bf9\u7b49\u4f53\uff1b\u81ea\u6cbb\u57df\u5185\u90e8\u8def\u7531\u5668\u4e4b\u95f4\u6839\u636e\u9700\u8981\u914d\u7f6e\u5185\u90e8<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u5bf9\u7b49\u4f53\uff0c\u5185\u90e8<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u914d\u7f6e\u5185\u90e8<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u5bf9\u7b49\u4f53\uff0c\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">Anycast RP<\/span><span style=\"font-weight: 400;\">\uff1b\u6240\u6709\u7684\u81ea\u6cbb\u57df\u90fd\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u3002\u57df\u5185\u7684\u7ec4\u64ad\u8def\u7531\u548c\u7ec4\u64ad\u6e90\u4fe1\u606f\u6536\u96c6\u5de5\u4f5c\u7531<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u5b8c\u6210\uff0c\u57df\u95f4\u5219\u7531<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u4f20\u64ad\u7ec4\u64ad\u62d3\u6251\u4fe1\u606f\u3001<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u4f20\u64ad\u7ec4\u64ad\u6e90\u4fe1\u606f\u3002<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">3.2.2\u00a0 <\/span><span style=\"font-weight: 400;\">PIM-SM\/<\/span><span style=\"font-weight: 400;\">\u96a7\u9053\uff08<\/span><span style=\"font-weight: 400;\">MBGP&amp;MSDP<\/span><span style=\"font-weight: 400;\">\uff09<\/span><span style=\"font-weight: 400;\">\u65b9\u6848<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982<\/span><span style=\"font-weight: 400;\">\u56fe7<\/span><span style=\"font-weight: 400;\">\u6240\u793a\uff0c\u5728\u9aa8\u5e72\u7f51\u4e0d\u652f\u6301\u6216\u4e0d\u8fd0\u884c\u7ec4\u64ad\u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u57ce\u57df\u7f51\u5185\u90e8\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\uff0c\u5404\u4e2a\u57ce\u57df\u7f51\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e0e\u5176\u5b83\u57ce\u57df\u7f51<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u901a\u8fc7\u96a7\u9053\u6784\u6210\u865a\u62df\u7f51\u7edc\uff0c\u5728\u6b64\u865a\u62df\u7f51\u7edc\u4e2d\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u3001<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u3002\u8fd9\u79cd\u65b9\u6848\u7684\u4f18\u52bf\u662f\u4e0d\u8981\u6c42\u9aa8\u5e72\u652f\u6301<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u3001<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\uff0c\u7ec4\u64ad\u6d41\u91cf\u5bf9\u9aa8\u5e72\u7f51\u7edc\u6765\u8bf4\u662f\u900f\u660e\u7684\uff0c\u53ef\u4ee5\u907f\u514d\u7ec4\u64ad\u62a5\u6587\u8f6c\u53d1\u5bf9\u8bbe\u5907\u6027\u80fd\u9020\u6210\u7684\u5f71\u54cd\u3002\u7f3a\u70b9\u662f\u8981\u6c42<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u65e2\u8981\u652f\u6301<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\uff0c\u8fd8\u8981\u652f\u6301<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\u96a7\u9053\uff0c\u914d\u7f6e\u548c\u7ba1\u7406\u7e41\u7410\u3001\u5bf9\u8bbe\u5907\u8981\u6c42\u8f83\u9ad8\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/7.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10279 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/7.gif\" alt=\"\" width=\"400\" height=\"303\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe7\u00a0<\/span><span style=\"font-weight: 400;\">PIM-SM\/<\/span><span style=\"font-weight: 400;\">\u96a7\u9053\uff08<\/span><span style=\"font-weight: 400;\">MBGP&amp;MSDP<\/span><span style=\"font-weight: 400;\">\uff09\u65b9\u6848<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">3.2.3\u00a0 <\/span><span style=\"font-weight: 400;\">PIM-SM\/<\/span><span style=\"font-weight: 400;\">\u96a7\u9053\uff08<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\uff09<\/span><span style=\"font-weight: 400;\">\u65b9\u6848<\/span><\/h3>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982<\/span><span style=\"font-weight: 400;\">\u56fe8<\/span><span style=\"font-weight: 400;\">\u6240\u793a\uff0c\u5728\u9aa8\u5e72\u7f51\u4e0d\u652f\u6301\u6216\u4e0d\u8fd0\u884c\u7ec4\u64ad\u7684\u60c5\u51b5\u4e0b\uff0c\u57ce\u57df\u7f51\u5185\u90e8\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\uff0c\u5404\u4e2a\u57ce\u57df\u7f51\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e0e\u5176\u5b83\u57ce\u57df\u7f51\u7684<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u901a\u8fc7\u96a7\u9053\u6784\u6210\u865a\u62df\u7f51\u7edc\uff0c\u5728\u6b64\u865a\u62df\u7f51\u7edc\u4e2d\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\u3002\u8fd9\u79cd\u65b9\u6848\u7684\u4f18\u52bf\u662f\u4e0d\u8981\u6c42\u9aa8\u5e72\u652f\u6301<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u3001<\/span><span style=\"font-weight: 400;\">MBGP<\/span><span style=\"font-weight: 400;\">\u548c<\/span><span style=\"font-weight: 400;\">MSDP<\/span><span style=\"font-weight: 400;\">\uff0c\u7ec4\u64ad\u6d41\u91cf\u5bf9\u9aa8\u5e72\u7f51\u7edc\u900f\u660e\uff0c\u56e0\u6b64\u4e5f\u4e0d\u9700\u8981\u5728\u9aa8\u5e72\u4e0a\u4fdd\u5b58\u5927\u91cf\u7684\u7ec4\u64ad\u8def\u7531\u72b6\u6001\uff1b\u7f3a\u70b9\u662f<\/span><span style=\"font-weight: 400;\">RP<\/span><span style=\"font-weight: 400;\">\u4e4b\u95f4\u8fd0\u884c<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\uff0c\u7ec4\u64ad\u6d41\u91cf\u5b9a\u671f\u6269\u6563\u53ef\u80fd\u4f1a\u9020\u6210\u9aa8\u5e72\u7f51\u7684\u5e26\u5bbd\u6d6a\u8d39\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/8.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10278 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/8.gif\" alt=\"\" width=\"400\" height=\"303\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe8\u00a0<\/span><span style=\"font-weight: 400;\">PIM-SM\/<\/span><span style=\"font-weight: 400;\">\u96a7\u9053\uff08<\/span><span style=\"font-weight: 400;\">PIM-DM<\/span><span style=\"font-weight: 400;\">\uff09<\/span><span style=\"font-weight: 400;\">\u65b9\u6848<\/span><\/p>\n<h2 style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">3.3\u00a0 <\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u7a7f\u8d8a\u9632\u706b\u5899\u7ec4\u7f51\u5e94\u7528<\/span><\/h2>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u5982<\/span><span style=\"font-weight: 400;\">\u56fe9<\/span><span style=\"font-weight: 400;\">\u6240\u793a\uff0c\u5f53\u591a\u4e2a\u7ec4\u64ad\u7f51\u6bb5\u4e4b\u95f4\u8de8\u8d8a\u4e00\u4e2a\u4e0d\u652f\u6301\u7ec4\u64ad\u7684\u7f51\u7edc\uff08\u5982<\/span><span style=\"font-weight: 400;\">Internet<\/span><span style=\"font-weight: 400;\">\uff09\uff0c\u6216\u8005\u9632\u706b\u5899\u4e0a\u914d\u7f6e\u4e86<\/span><span style=\"font-weight: 400;\">NAT<\/span><span style=\"font-weight: 400;\">\u6216<\/span><span style=\"font-weight: 400;\">IPSec VPN<\/span><span style=\"font-weight: 400;\">\u65f6\uff0c\u9632\u706b\u5899\u4e0d\u80fd\u4e0e\u5bf9\u7aef\u8bbe\u5907\u5efa\u7acb<\/span><span style=\"font-weight: 400;\">PIM<\/span><span style=\"font-weight: 400;\">\u90bb\u5c45\u5173\u7cfb\u5e76\u751f\u6210\u7ec4\u64ad\u8def\u7531\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u914d\u7f6e<\/span><span style=\"font-weight: 400;\">GRE<\/span><span style=\"font-weight: 400;\">\u96a7\u9053\u53ef\u4ee5\u5c06\u5404\u5206\u79bb\u7684\u7ec4\u64ad\u7f51\u6bb5\u8fde\u63a5\u6210\u8d77\u6765\uff0c\u5b9e\u73b0\u7ec4\u64ad\u7684\u5e94\u7528\u3002<\/span><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/9.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-10277 aligncenter\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2024\/12\/9.gif\" alt=\"\" width=\"443\" height=\"189\" \/><\/a><\/p>\n<p style=\"font-weight: 400; text-align: center;\"><span style=\"font-weight: 400;\">\u56fe9\u00a0<\/span><span style=\"font-weight: 400;\">\u7ec4\u64ad\u7a7f\u8d8a\u9632\u706b\u5899\u7ec4\u7f51<\/span><\/p>\n<h1><span style=\"font-weight: 400;\">4\u00a0 <\/span><span style=\"font-weight: 400;\">\u603b\u7ed3\u548c\u5c55\u671b<\/span><\/h1>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6280\u672f\u4ece<\/span><span style=\"font-weight: 400;\">1988<\/span><span style=\"font-weight: 400;\">\u5e74\u63d0\u51fa\u81f3\u4eca\u5df2\u7ecf\u5386\u4e86<\/span><span style=\"font-weight: 400;\">20<\/span><span style=\"font-weight: 400;\">\u5e74\u7684\u53d1\u5c55\uff0c\u8bb8\u591a\u56fd\u9645\u7ec4\u7ec7\u5bf9\u7ec4\u64ad\u7684\u6280\u672f\u7814\u7a76\u548c\u4e1a\u52a1\u5f00\u5c55\u8fdb\u884c\u4e86\u5927\u91cf\u7684\u5de5\u4f5c\u3002\u5728<\/span><span style=\"font-weight: 400;\">IP<\/span><span style=\"font-weight: 400;\">\u7f51\u7edc\u4e2d\u591a\u5a92\u4f53\u4e1a\u52a1\u65e5\u6e10\u589e\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u7ec4\u64ad\u6280\u672f\u4e3a\u591a\u5a92\u4f53\u4e1a\u52a1\u7684\u5f00\u5c55\u63d0\u4f9b\u4e86\u4f20\u8f93\u57fa\u7840\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6280\u672f\u6db5\u76d6\u4e86\u4ece\u5730\u5740\u65b9\u6848\u3001\u6210\u5458\u7ba1\u7406\u548c\u8def\u7531\u5efa\u7acb\u7b49\u5404\u4e2a\u65b9\u9762\uff0c\u5176\u4e2d\u7ec4\u64ad\u5730\u5740\u7684\u5206\u914d\u65b9\u5f0f\u3001\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u4ee5\u53ca\u7ec4\u64ad\u5b89\u5168\u7b49\u4ecd\u662f\u7814\u7a76\u7684\u70ed\u70b9\u3002\u4ece\u76ee\u524d\u7684\u60c5\u51b5\u770b\uff0c\u7ec4\u6210\u5458\u7ba1\u7406\u6280\u672f\u666e\u904d\u91c7\u7528<\/span><span style=\"font-weight: 400;\">IGMPv2<\/span><span style=\"font-weight: 400;\">\uff1b<\/span><span style=\"font-weight: 400;\">PIM-SM<\/span><span style=\"font-weight: 400;\">\u56e0\u5176\u826f\u597d\u7684\u6269\u5c55\u6027\u4ee5\u53ca\u4ece<\/span><span style=\"font-weight: 400;\">RPT<\/span><span style=\"font-weight: 400;\">\u5411<\/span><span style=\"font-weight: 400;\">SPT<\/span><span style=\"font-weight: 400;\">\u5207\u6362\u7684\u80fd\u529b\u800c\u6210\u4e3a\u57df\u5185\u7ec4\u64ad\u8def\u7531\u6280\u672f\u7684\u4f73\u9009\uff1b\u57df\u95f4\u7ec4\u64ad\u8def\u7531\u534f\u8bae\u73b0\u9636\u6bb5\u666e\u904d\u91c7\u7528<\/span><span style=\"font-weight: 400;\">PIM-SM\/MBGP\/MSDP<\/span><span style=\"font-weight: 400;\">\u7684\u7ec4\u5408\u65b9\u6848\u3002<\/span><\/p>\n<p style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u7ec4\u64ad\u6280\u672f\u53ef\u4ee5\u63d0\u4f9b\u5305\u62ec\u6d41\u5a92\u4f53\u3001\u89c6\u9891\u4f1a\u8bae\u3001<\/span><span style=\"font-weight: 400;\">IPTV<\/span><span style=\"font-weight: 400;\">\u7b49\u5728\u5185\u7684\u5404\u79cd\u5bbd\u5e26\u589e\u503c\u4e1a\u52a1\uff0c\u4f46\u8fd9\u4e9b\u4e1a\u52a1\u7684\u987a\u5229\u5f00\u5c55\u8fd8\u4f9d\u8d56\u4e8e\u6709\u6548\u7684\u4e1a\u52a1\u7ba1\u7406\u3001\u76d1\u63a7\u53ca\u5b89\u5168\u63a7\u5236\u3002<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>\u53c2\u8003\uff1a<\/p>\n<p>https:\/\/www.h3c.com\/cn\/d_200803\/336048_30003_0.htm<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ec4\u64ad\u6280\u672f\u5b9e\u73b0\u4e86IP\u7f51\u7edc\u4e2d\u70b9\u5230\u591a\u70b9\u7684\u9ad8\u6548\u6570\u636e\u4f20\u9001\uff0c\u7531\u4e8e\u7ec4\u64ad\u80fd\u591f\u6709\u6548\u5730\u8282\u7ea6\u7f51\u7edc\u5e26\u5bbd\u3001\u964d\u4f4e\u7f51\u7edc\u8d1f\u8f7d\uff0c\u56e0\u6b64\u5728\u5b9e\u65f6\u6570\u636e\u4f20 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31,1250],"tags":[1441,1442,1444,1443,1439,1440],"_links":{"self":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10272"}],"collection":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10272"}],"version-history":[{"count":1,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10272\/revisions"}],"predecessor-version":[{"id":10282,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10272\/revisions\/10282"}],"wp:attachment":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}