{"id":95820,"date":"2024-07-22T16:48:37","date_gmt":"2024-07-22T08:48:37","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=95820"},"modified":"2024-07-22T16:48:43","modified_gmt":"2024-07-22T08:48:43","slug":"mxyjbylhzy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/95820.html","title":{"rendered":"MPLS\u534f\u8bae\u57fa\u672c\u539f\u7406\u548c\u4f5c\u7528"},"content":{"rendered":"\n

\u3000\u3000MPLS(\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362\uff0cMultiprotocol Label Switching)<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u6807\u7b7e\u4ea4\u6362\u6280\u672f\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u4e3b\u8981\u7528\u4e8e\u63d0\u9ad8\u6570\u636e\u5305\u8f6c\u53d1\u7684\u6548\u7387\u548c\u901f\u5ea6\u3002\u5176\u57fa\u672c\u539f\u7406\u548c\u4f5c\u7528\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 MPLS\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362\u534f\u8bae\u4ecb\u7ecd<\/h2>\n\n\n\n

\u3000\u30001. \u57fa\u672c\u539f\u7406<\/h3>\n\n\n\n

\u3000\u3000MPLS\u5728\u6570\u636e\u5305\u7684\u5934\u90e8\u6dfb\u52a0\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u6807\u7b7e(Label)\uff0c\u8fd9\u4e2a\u6807\u7b7e\u5305\u542b\u4e86\u8def\u7531\u5668\u5728\u7f51\u7edc\u4e2d\u4f20\u9001\u6570\u636e\u5305\u65f6\u6240\u9700\u7684\u4fe1\u606f\u3002\u6bcf\u4e2a\u6807\u7b7e\u90fd\u662f\u77ed\u800c\u5b9a\u957f\u7684\u3001\u53ea\u5177\u6709\u672c\u5730\u610f\u4e49\u7684\u3002<\/p>\n\n\n\n

\u3000\u3000\u6570\u636e\u5305\u5728\u7ecf\u8fc7\u5404\u4e2a\u8def\u7531\u5668\u65f6\uff0c\u8fd9\u4e9b\u8def\u7531\u5668\u4f1a\u6839\u636e\u6807\u7b7e\u6765\u51b3\u5b9a\u6570\u636e\u5305\u7684\u8f6c\u53d1\u8def\u5f84\uff0c\u800c\u4e0d\u662f\u50cf\u4f20\u7edfIP\u8def\u7531\u90a3\u6837\u9700\u8981\u8fdb\u884c\u590d\u6742\u7684\u67e5\u627e\u548c\u5206\u6790\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97\u6570\u636e\u5305\u80fd\u591f\u6cbf\u7740\u9884\u5b9a\u7684\u8def\u5f84\u5feb\u901f\u4f20\u8f93\uff0c\u4ece\u800c\u663e\u8457\u63d0\u5347\u8f6c\u53d1\u6548\u7387\u3002<\/p>\n\n\n\n

\u3000\u3000\u6807\u7b7e\u901a\u8fc7\u6807\u7b7e\u5206\u53d1\u534f\u8bae(\u5982LDP\u3001RSVP-TE\u7b49)\u5728\u8def\u7531\u5668\u4e4b\u95f4\u8fdb\u884c\u5206\u53d1\u548c\u540c\u6b65\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u53c2\u4e0e\u7684\u6570\u636e\u5305\u90fd\u80fd\u6b63\u786e\u5730\u4f7f\u7528\u76f8\u5e94\u7684\u6807\u7b7e\u3002<\/p>\n\n\n\n

\u3000\u3000MPLS\u53ef\u4ee5\u5efa\u7acb\u9759\u6001\u6807\u7b7e\u4ea4\u6362\u8def\u5f84(LSP)\uff0c\u4e5f\u53ef\u4ee5\u5229\u7528\u52a8\u6001\u8def\u7531\u534f\u8bae\u548c\u6807\u7b7e\u5206\u53d1\u534f\u8bae\u6765\u52a8\u6001\u521b\u5efaLSP\u3002<\/p>\n\n\n\n

\u3000\u30002. \u4e3b\u8981\u4f5c\u7528<\/h3>\n\n\n\n

\u3000\u3000\u7531\u4e8e\u6807\u7b7e\u673a\u5236\u7684\u5f15\u5165\uff0c\u6570\u636e\u5305\u5728\u8def\u7531\u5668\u4e4b\u95f4\u7684\u8f6c\u53d1\u4e0d\u518d\u4f9d\u8d56\u4e8e\u590d\u6742\u7684\u8def\u7531\u67e5\u627e\uff0c\u800c\u662f\u901a\u8fc7\u7b80\u5355\u7684\u6807\u7b7e\u4ea4\u6362\u5b9e\u73b0\uff0c\u8fd9\u5927\u5927\u51cf\u5c11\u4e86\u8def\u7531\u5668\u7684\u5904\u7406\u65f6\u95f4\uff0c\u63d0\u9ad8\u4e86\u6570\u636e\u5305\u7684\u8f6c\u53d1\u901f\u5ea6\u3002<\/p>\n\n\n\n

\u3000\u3000MPLS\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u901a\u4fe1\u6d41\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u5355\u4e00\u7684\u6807\u7b7e\u6765\u63a7\u5236\u6d41\u91cf\u7684\u4f18\u5148\u7ea7\u548c\u670d\u52a1\u8d28\u91cf\u3002<\/p>\n\n\n\n

\u3000\u3000MPLS\u4e0d\u4ec5\u9002\u7528\u4e8eIP\u7f51\u7edc\uff0c\u8fd8\u53ef\u4ee5\u652f\u6301\u5176\u4ed6\u7c7b\u578b\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u5982ATM\u3001FDDI\u7b49\uff0c\u56e0\u6b64\u5177\u6709\u5f88\u9ad8\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728IP\u9aa8\u5e72\u7f51\u4e0a\uff0cMPLS\u901a\u8fc7\u5c06IP\u5730\u5740\u6620\u5c04\u4e3a\u7b80\u77ed\u4e14\u957f\u5ea6\u56fa\u5b9a\u7684\u6807\u7b7e\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u7f51\u7edc\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000MPLS\u901a\u8fc7\u5f15\u5165\u6807\u7b7e\u4ea4\u6362\u673a\u5236\uff0c\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u6570\u636e\u5305\u8f6c\u53d1\u548c\u7075\u6d3b\u7684\u7f51\u7edc\u7ba1\u7406\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u73b0\u4ee3\u4e92\u8054\u7f51\u548c\u4f01\u4e1a\u7f51\u7edc\u4e2d\uff0c\u4ee5\u6ee1\u8db3\u65e5\u76ca\u589e\u957f\u7684\u7f51\u7edc\u9700\u6c42\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 MPLS\u534f\u8bae\u4e2d\u6807\u7b7e\u5206\u53d1\u673a\u5236\u7684\u8be6\u7ec6\u5de5\u4f5c\u539f\u7406\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

\u3000\u3000MPLS(\u591a\u534f\u8bae\u6807\u8bb0\u4ea4\u6362)\u534f\u8bae\u4e2d\u7684\u6807\u7b7e\u5206\u53d1\u673a\u5236\u662f\u5176\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\u4e4b\u4e00\uff0c\u5176\u5de5\u4f5c\u539f\u7406\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n

\u3000\u30001. \u6807\u7b7e\u5206\u914d<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6807\u7b7e\u7531\u6807\u7b7e\u5206\u53d1\u534f\u8bae(LDP\u3001BGP-LS\u7b49)\u52a8\u6001\u5206\u914d\u3002\u6bcf\u4e2a\u8def\u7531\u5668\u6839\u636e\u4e00\u5b9a\u7684\u7b56\u7565\u4e3a\u8fdb\u5165\u7684\u6d41\u91cf\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684\u6807\u7b7e\u503c\u3002<\/p>\n\n\n\n

\u3000\u3000\u6807\u7b7e\u901a\u5e38\u4f4d\u4e8e\u94fe\u8def\u5c42\u5305\u5934\u548c\u7f51\u7edc\u5c42\u5206\u7ec4\u4e4b\u95f4\uff0c\u957f\u5ea6\u4e3a4\u4e2a\u5b57\u8282\uff0c\u5305\u542b\u591a\u4e2a\u5b57\u6bb5\uff0c\u5982\u6807\u7b7e\u503c\u3001\u4fdd\u7559\u4f4d(Exp)\u3001\u6808\u5e95\u6307\u793a\u4f4d(S)\u7b49\u3002<\/p>\n\n\n\n

\u3000\u30002. \u6807\u7b7e\u6620\u5c04<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5165\u53e3\u8def\u7531\u5668(ingress LSR)\u6839\u636e\u5165\u7ad9\u63a5\u53e3\u548cFEC(\u8f6c\u53d1\u7b49\u4ef7\u7c7b)\u4fe1\u606f\u751f\u6210\u6807\u7b7e\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u6570\u636e\u5305\u7684\u6807\u7b7e\u6808\u4e2d\u3002<\/p>\n\n\n\n

\u3000\u3000\u6807\u7b7e\u6620\u5c04\u5206\u4e3a\u4e24\u79cd\uff1a\u4e00\u79cd\u662f\u5728\u5165\u53e3\u8def\u7531\u5668\u5904\u8fdb\u884c\u7684\u6807\u7b7e\u6620\u5c04\uff0c\u53e6\u4e00\u79cd\u662f\u5728MPLS\u4f53\u7cfb\u7ed3\u6784\u57df\u5185\u8fdb\u884c\u7684\u6807\u7b7e\u6620\u5c04\u3002<\/p>\n\n\n\n

\u3000\u30003. \u6807\u7b7e\u8f6c\u53d1\u8868(LFIB)<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6bcf\u4e2a\u8def\u7531\u5668\u90fd\u4f1a\u7ef4\u62a4\u4e00\u4e2a\u6807\u7b7e\u8f6c\u53d1\u8868(LFIB)\uff0c\u8be5\u8868\u7531\u6807\u7b7e\u5206\u53d1\u534f\u8bae\u5efa\u7acb\u5e76\u8d1f\u8d23\u5e26MPLS\u6807\u7b7e\u62a5\u6587\u7684\u8f6c\u53d1\u3002<\/p>\n\n\n\n

\u3000\u3000\u5f53\u6536\u5230\u5e26\u6709\u6807\u7b7e\u7684IP\u62a5\u6587\u65f6\uff0c\u67e5\u627eFIB\u8868\uff0c\u5982\u679cTunnel ID\u4e3a0x0.\u5219\u8fdb\u884c\u666e\u901aIP\u8f6c\u53d1;\u5982\u679cTunnel ID\u4e3a\u975e0x0.\u5219\u8fdb\u884cMPLS\u8f6c\u53d1\u3002<\/p>\n\n\n\n

\u3000\u30004. \u6807\u7b7e\u4ea4\u6362<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u6570\u636e\u5305\u5728\u7ecf\u8fc7\u6bcf\u8df3\u4e00\u8df3\u7684\u8def\u7531\u5668\u65f6\uff0c\u8fd9\u4e9b\u8def\u7531\u5668\u4f1a\u6839\u636e\u6807\u7b7e\u6808\u4e2d\u7684\u6807\u7b7e\u503c\u8fdb\u884c\u6807\u7b7e\u4ea4\u6362\u64cd\u4f5c\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5f53\u524d\u8def\u7531\u5668\u4f1a\u5f39\u51fa\u6808\u9876\u7684\u6807\u7b7e\uff0c\u5e76\u5c06\u65b0\u7684\u6807\u7b7e\u538b\u5165\u6808\u4e2d\uff0c\u7136\u540e\u7ee7\u7eed\u8f6c\u53d1\u6570\u636e\u5305\u3002<\/p>\n\n\n\n

\u3000\u3000\u8fd9\u4e00\u8fc7\u7a0b\u786e\u4fdd\u4e86\u6570\u636e\u5305\u80fd\u591f\u5728\u4e0d\u540c\u8def\u7531\u5668\u4e4b\u95f4\u6b63\u786e\u5730\u4f20\u9012\u548c\u8f6c\u53d1\uff0c\u800c\u4e0d\u9700\u8981\u6bcf\u4e2a\u8def\u7531\u5668\u90fd\u91cd\u65b0\u8ba1\u7b97\u8def\u7531\u8def\u5f84\u3002<\/p>\n\n\n\n

\u3000\u30005. \u6807\u7b7e\u5f39\u51fa<\/strong>\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u5f53\u6570\u636e\u5305\u5230\u8fbe\u51fa\u53e3\u8def\u7531\u5668(egress LSR)\u65f6\uff0c\u51fa\u53e3\u8def\u7531\u5668\u4f1a\u5f39\u51fa\u6240\u6709\u6807\u7b7e\uff0c\u5e76\u5c06\u5269\u4f59\u7684\u6570\u636e\u5305\u8fdb\u884c\u666e\u901aIP\u8f6c\u53d1\u3002<\/p>\n\n\n\n

\u3000\u3000\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0cMPLS\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u6570\u636e\u5305\u8f6c\u53d1\u673a\u5236\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u7f51\u7edc\u7684\u8f6c\u53d1\u901f\u5ea6\u548c\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001 \u5982\u4f55\u5728MPLS\u7f51\u7edc\u4e2d\u5b9e\u73b0\u9759\u6001\u4e0e\u52a8\u6001LSP\u7684\u5207\u6362?<\/h2>\n\n\n\n

\u3000\u3000\u5728MPLS\u7f51\u7edc\u4e2d\u5b9e\u73b0\u9759\u6001\u4e0e\u52a8\u6001LSP\u7684\u5207\u6362\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

\u3000\u3000BFD\u53ef\u4ee5\u4e0eLSP\u8054\u52a8\uff0c\u5f53\u68c0\u6d4b\u5230\u94fe\u8def\u6545\u969c\u65f6\uff0c\u8fc5\u901f\u611f\u77e5\u5e76\u89e6\u53d1LSP\u7684\u5207\u6362\u3002\u4f8b\u5982\uff0c\u5728PE1\u4e0a\u914d\u7f6e\u5230PE2\u7684\u52a8\u6001LSP\uff0c\u5e76\u5efa\u7acbBFD\u4f1a\u8bdd\u8fdb\u884c\u68c0\u6d4b\uff0c\u540c\u65f6\u914d\u7f6eVPN FRR\u7b56\u7565\uff0c\u6307\u5b9a\u4fdd\u62a4\u8def\u5f84\u4e3aPE1\u5230PE3.\u5f53PE1\u5230P1\u6216\u8005P1\u5230PE2\u4e4b\u95f4\u7684\u94fe\u8def\u53d1\u751f\u6545\u969c\u65f6\uff0cPE1\u80fd\u8fc5\u901f\u611f\u77e5\u5230LSP\u6545\u969c\uff0c\u5e76\u89e6\u53d1VPN FRR\u5207\u6362\uff0c\u4f7f\u6d41\u91cf\u5207\u6362\u5230PE1\u5230PE3.<\/p>\n\n\n\n

\u3000\u3000\u5728\u8bbe\u5907\u4e0a\u4f7f\u80fdOSPF\u52a8\u6001\u8def\u7531\u534f\u8bae\uff0c\u901a\u8fc7\u52a8\u6001\u8def\u7531\u534f\u8bae\u6765\u5b9e\u73b0\u4e3b\u5907\u94fe\u8def\u7684\u5207\u6362\u3002\u5f53\u4e3b\u94fe\u8def\u53d1\u751f\u6545\u969c\u65f6\uff0cIGP\u8def\u7531\u548cLSP\u5747\u4f1a\u5207\u6362\u5230\u5907\u4efd\u94fe\u8def\u4e0a\u3002\u5f53\u4e3b\u94fe\u8def\u6062\u590d\u540e\uff0cLSP\u4f1a\u968f\u9759\u6001\u8def\u7531\u91cd\u65b0\u5207\u6362\u56de\u4e3b\u94fe\u8def\u3002<\/p>\n\n\n\n

\u3000\u3000\u5982\u679c\u5728lsra\u4e0a\u4f7f\u80fdldp\u4e0e\u9759\u6001\u8def\u7531\u8054\u52a8\uff0c\u5f53ldp\u4f1a\u8bdddown\u65f6\uff0c\u9759\u6001\u8def\u7531\u81ea\u52a8\u5207\u6362\u5230linkb\uff0c\u4f7flsp\u5207\u6362\u5230\u5907\u4efdlsp\uff0c\u4fdd\u8bc1\u6d41\u91cf\u4e0d\u4e2d\u65ad\u3002\u5f53lsra\u548clsrb\u4e4b\u95f4\u7684\u94fe\u8def\u6062\u590d\u65f6\uff0clsp\u4f1a\u968f\u9759\u6001\u8def\u7531\u5207\u6362\u56de\u4e3b\u94fe\u8def\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728ar1\u4e0a\u901a\u8fc7\u624b\u52a8\u8bbe\u7f6e\u9759\u6001\u8def\u7531\uff0c\u4f7f\u5f97\u8981\u53bb150.1.5.5.\u8d70\u4e0b\u4e00\u8df3155.1.12.2\u5230\u8fbear2;\u5728ar2\u4e0a\u56e0\u4e3aar2\u662flsp\uff1aar2->ar4\u7684ingress\u8bbe\u5907\uff0c\u9700\u8981\u624b\u52a8\u8bbe\u7f6elsp\u5bf9\u5e94\u7684fec\u7684\u672c\u5730\u8def\u7531\u8868\uff0c\u4e14\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u4e0elsp\u6307\u5b9a\u7684\u4e0b\u4e00\u8df3\u76f8\u540c\uff0c\u4f7f\u5f97lsp\u751f\u6548\u3002<\/p>\n\n\n\n

\u3000\u3000\u542f\u7528\u81eaping\u529f\u80fd\u4e14LSP\u4fe1\u4ee4\u6210\u529f\u65f6\uff0cLSP\u4e0d\u4f1a\u7acb\u5373\u5207\u6362\uff0c\u800c\u662f\u7b49\u5230\u4e3aLSP\u914d\u7f6e\u7684\u81eaping\u6301\u7eed\u65f6\u95f4\u7ed3\u675f\u65f6\u624d\u8fdb\u884c\u5207\u6362\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u94fe\u8def\u6545\u969c\u68c0\u6d4b\u5230\u540e\uff0c\u6d41\u91cf\u7acb\u5373\u5207\u6362\u5230\u5907\u7528\u8def\u5f84\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001 MPLS\u652f\u6301\u54ea\u4e9b\u7c7b\u578b\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u9664\u4e86IP\u4e4b\u5916\u8fd8\u5305\u62ec\u54ea\u4e9b?<\/h2>\n\n\n\n

\u3000\u3000MPLS(\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362)\u4e0d\u4ec5\u652f\u6301IP\u7f51\u7edc\uff0c\u8fd8\u652f\u6301\u591a\u79cd\u5176\u4ed6\u7c7b\u578b\u7684\u7f51\u7edc\u534f\u8bae\u3002MPLS\u53ef\u4ee5\u652f\u6301\u4ee5\u4e0b\u51e0\u79cd\u4e3b\u8981\u7684\u7f51\u7edc\u534f\u8bae\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u4ee5\u592a\u7f51<\/strong>\uff1aMPLS\u80fd\u591f\u5904\u7406\u4ee5\u592a\u7f51\u5e27\u3002<\/li>\n\n\n\n
  • \u3000\u3000ATM(\u5f02\u6b65\u4f20\u8f93\u6a21\u5f0f)<\/strong>\uff1aMPLS\u652f\u6301ATM\u7f51\u7edc\uff0c\u5e76\u4e14\u53ef\u4ee5\u53d6\u4ee3\u4f20\u7edf\u7684ATM\u6280\u672f\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5e27\u4e2d\u7ee7(Frame Relay)<\/strong>\uff1aMPLS\u4e5f\u652f\u6301\u5e27\u4e2d\u7ee7\u7f51\u7edc\u3002<\/li>\n\n\n\n
  • \u3000\u3000PPP(\u70b9\u5bf9\u70b9\u534f\u8bae)<\/strong>\uff1aMPLS\u53ef\u4ee5\u7528\u4e8ePPP\u8fde\u63a5\u3002<\/li>\n\n\n\n
  • \u3000\u3000IPX(\u4e92\u8054\u7f51\u534f\u8bae\u6269\u5c55)<\/strong>\uff1aMPLS\u652f\u6301IPX\u534f\u8bae\u3002<\/li>\n\n\n\n
  • \u3000\u3000SONET(\u540c\u6b65\u5149\u7ea4\u7f51\u7edc)<\/strong>\uff1aMPLS\u53ef\u4ee5\u627f\u8f7dSONET\u6d41\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000\u6b64\u5916\uff0cMPLS\u8fd8\u652f\u6301\u4efb\u610f\u7684\u7f51\u7edc\u5c42\u534f\u8bae\u5982IPv6\u548cIP\u7b49\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e94\u3001 \u5728MPLS\u73af\u5883\u4e0b\uff0c\u5982\u4f55\u4f18\u5316\u6570\u636e\u5305\u8f6c\u53d1\u8def\u5f84\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd?<\/h2>\n\n\n\n

    \u3000\u3000\u5728MPLS\u73af\u5883\u4e0b\uff0c\u4f18\u5316\u6570\u636e\u5305\u8f6c\u53d1\u8def\u5f84\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u8c03\u6574MPLS\u96a7\u9053\u8def\u5f84<\/strong>\uff1a\u901a\u8fc7\u8c03\u6574MPLS\u96a7\u9053(\u5982RSVP-TE\u548cSR-TE)\u7684\u8def\u5f84\uff0c\u53ef\u4ee5\u5bf9\u9aa8\u5e72\u7f51\u6d41\u91cf\u8fdb\u884c\u8c03\u4f18\u3002\u63a7\u5236\u5668\u57fa\u4e8e\u6574\u7f51\u62d3\u6251\u4fe1\u606f\u548c\u96a7\u9053\u4fe1\u606f\u96c6\u4e2d\u7b97\u8def\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6574\u7f51MPLS\u6d41\u91cf\u5c3d\u91cf\u6700\u4f18\uff0c\u5305\u62ec\u6700\u5927\u541e\u5410\u91cf\u3001\u6700\u5c0f\u6210\u672c\u6216\u65f6\u5ef6\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u5e26\u5bbd\u8d44\u6e90\u5229\u7528\u7387\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6807\u7b7e\u4ea4\u6362\u673a\u5236<\/strong>\uff1aMPLS\u5f15\u5165\u4e86\u6807\u7b7e\u4ea4\u6362\u7684\u6982\u5ff5\uff0c\u5b83\u5728\u7f51\u7edc\u8fb9\u7f18\u5206\u6790IP\u62a5\u6587\u5934\uff0c\u7136\u540e\u5728\u7f51\u7edc\u5185\u90e8\u4f7f\u7528\u6807\u7b7e\u8fdb\u884c\u9ad8\u6548\u8f6c\u53d1\uff0c\u907f\u514d\u4e86\u6bcf\u6b21\u8f6c\u53d1\u90fd\u9700\u8981\u67e5\u627e\u8def\u7531\u8868\u7684\u6b65\u9aa4\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u8f6c\u53d1\u6548\u7387\u3002\u8fd9\u79cd\u673a\u5236\u7b80\u5316\u4e86\u8def\u7531\u8fc7\u7a0b\uff0c\u63d0\u5347\u4e86\u6570\u636e\u8f6c\u53d1\u6548\u7387\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u6d41\u91cf\u5de5\u7a0b(TE)<\/strong>\uff1a\u901a\u8fc7\u4f18\u5316\u8def\u7531\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u541e\u5410\u91cf\u5e76\u6700\u5c0f\u5316\u5ef6\u8fdf\uff0c\u800c\u65e0\u9700\u8003\u8651\u62e5\u585e\u6216\u6570\u636e\u5305\u7c7b\u578b\u3002MPLS\u4f7f\u7528\u6807\u7b7e\u4ea4\u6362\u8def\u5f84(LSP)\u5c06IP\u6570\u636e\u5305\u5b9a\u5411\u5230\u7279\u5b9a\u65b9\u5411\u7684\u5355\u5411\u4f20\u8f93\u4e2d\u3002\u5f53\u5165\u7ad9\u8def\u7531\u5668\u63a5\u6536\u5230\u6570\u636e\u5305\u65f6\uff0c\u5b83\u4f1a\u6dfb\u52a0MPLS\u6807\u5934\u5e76\u5c06\u6570\u636e\u5305\u8f6c\u53d1\u5230\u4e0b\u4e00\u4e2a\u8dc3\u70b9\uff0c\u7136\u540e\u8be5\u6570\u636e\u5305\u6cbf\u7740LSP\u8def\u5f84\u7ee7\u7eed\u4f20\u8f93\uff0c\u76f4\u5230\u5230\u8fbe\u76ee\u7684\u5730\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u52a8\u6001\u8c03\u6574\u4f20\u8f93\u8def\u5f84<\/strong>\uff1aMPLS\u5177\u5907\u9ad8\u5ea6\u7684\u7075\u6d3b\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u652f\u6301\u6d41\u91cf\u5de5\u7a0b\uff0c\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u6839\u636e\u5b9e\u65f6\u6d41\u91cf\u60c5\u51b5\u52a8\u6001\u8c03\u6574\u4f20\u8f93\u8def\u5f84\uff0c\u4ee5\u5b9e\u73b0\u7f51\u7edc\u6027\u80fd\u7684\u4f18\u5316\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u591a\u8def\u5f84\u8def\u7531<\/strong>\uff1a\u5728\u590d\u6742\u7684\u591a\u64ad\u4fe1\u9053\u7cfb\u7edf\u4e2d\uff0c\u901a\u8fc7\u5229\u7528\u591a\u8def\u5f84\u8def\u7531\u6280\u672f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u53d1\u6570\u636e\u5305\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4e2a\u7cfb\u7edf\u7684\u6548\u7387\u548c\u8d28\u91cf\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u57fa\u4e8e\u6807\u7b7e\u7684\u8f6c\u53d1<\/strong>\uff1a\u901a\u8fc7\u5728\u6570\u636e\u5305\u5934\u90e8\u6dfb\u52a0\u6807\u7b7e\uff0c\u53ef\u4ee5\u533a\u5206\u4e0d\u540c\u7684\u8f6c\u53d1\u8def\u5f84\uff0c\u5b9e\u73b0\u4e86\u7f51\u7edc\u6d41\u91cf\u7684\u5206\u6d41\u548c\u4f18\u5316\u3002\u8fd9\u6709\u52a9\u4e8e\u89e3\u51b3\u7f51\u7edc\u62e5\u5835\u95ee\u9898\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u6574\u4f53\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000\u516d\u3001 MPLS\u534f\u8bae\u5728\u73b0\u4ee3\u4e92\u8054\u7f51\u67b6\u6784\u4e2d\u7684\u5e94\u7528\u6848\u4f8b\u6709\u54ea\u4e9b?<\/h2>\n\n\n\n

      \u3000\u3000MPLS(\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362)\u534f\u8bae\u5728\u73b0\u4ee3\u4e92\u8054\u7f51\u67b6\u6784\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5176\u4e3b\u8981\u5e94\u7528\u573a\u666f\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u4f01\u4e1a\u7f51\u7edc<\/strong>\uff1aMPLS\u6280\u672f\u5728\u4f01\u4e1a\u7f51\u7edc\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\u3002\u5b83\u901a\u8fc7\u63d0\u4f9b\u9ad8\u6548\u7684\u8f6c\u53d1\u53ca\u8def\u7531\u670d\u52a1\uff0c\u4f7f\u5f97\u4f01\u4e1a\u80fd\u591f\u66f4\u597d\u5730\u7ba1\u7406\u7f51\u7edc\u8d44\u6e90\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u6570\u636e\u4e2d\u5fc3<\/strong>\uff1a\u5728\u6570\u636e\u4e2d\u5fc3\uff0cMPLS\u6280\u672f\u88ab\u7528\u6765\u4f18\u5316\u6d41\u91cf\u5de5\u7a0b\u548c\u7f51\u7edc\u6027\u80fd\u3002\u901a\u8fc7\u5229\u7528MPLS\u8fdb\u884c\u6d41\u91cf\u5de5\u7a0b\uff0c\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5206\u914d\u548c\u7ba1\u7406\u7f51\u7edc\u5e26\u5bbd\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u7f51\u7edc\u7684\u6548\u7387\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546(ISP)<\/strong>\uff1a\u5bf9\u4e8eISP\u6765\u8bf4\uff0cMPLS\u6280\u672f\u63d0\u4f9b\u4e86\u5206\u7ec4\u8f6c\u53d1\u548c\u6d41\u91cf\u5de5\u7a0b\u7684\u80fd\u529b\uff0c\u8fd9\u4f7f\u5f97\u4ed6\u4eec\u80fd\u591f\u5728\u590d\u6742\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u63d0\u4f9b\u9ad8\u54c1\u8d28\u7684\u670d\u52a1\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u865a\u62df\u4e13\u7528\u7f51\u7edc(VPN)<\/strong>\uff1aMPLS\u652f\u6301VPN\u529f\u80fd\uff0c\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u5728\u4e0d\u540c\u5730\u70b9\u4e4b\u95f4\u5efa\u7acb\u5b89\u5168\u3001\u53ef\u9760\u7684\u901a\u4fe1\u8fde\u63a5\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u8fdc\u7a0b\u8bbf\u95ee\u7684\u4f01\u4e1a\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u670d\u52a1\u8d28\u91cf(QoS)<\/strong>\uff1aMPLS\u8fd8\u652f\u6301QoS\u529f\u80fd\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u4f18\u5148\u5904\u7406\u67d0\u4e9b\u7c7b\u578b\u7684\u6d41\u91cf\uff0c\u5982\u8bed\u97f3\u6216\u89c6\u9891\u6d41\u91cf\uff0c\u4ece\u800c\u786e\u4fdd\u8fd9\u4e9b\u5e94\u7528\u7684\u6027\u80fd\u4e0d\u4f1a\u53d7\u5230\u5176\u4ed6\u6d41\u91cf\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n
      • \u3000\u3000BGP\u53cd\u5c04\u5668<\/strong>\uff1a\u5728\u5927\u578b\u7f51\u7edc\u4e2d\uff0c\u4f7f\u7528MPLS BGP\u53cd\u5c04\u5668\u53ef\u4ee5\u4f18\u5316BGP\u8def\u7531\u4f20\u64ad\u3002\u8fd9\u79cd\u6280\u672f\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u5927\u89c4\u6a21\u8def\u7531\u4fe1\u606f\u4f20\u64ad\u7684\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u6b64\u5916\uff0c\u6bb5\u8def\u7531\u6280\u672f\u7ed3\u5408\u4e86\u4f20\u7edfMPLS\u7684\u4f18\u52bf\uff0c\u5e76\u901a\u8fc7\u6700\u5c0f\u5316\u5206\u5e03\u5f0f\u8def\u7531\u534f\u8bae\u6765\u5b9e\u73b0\u7aef\u5230\u7aef\u5e94\u7528\u7a0b\u5e8f\u7ea7\u6d41\u91cf\u63a7\u5236\uff0c\u89e3\u51b3\u4e86\u4f20\u7edfMPLS\u5728\u7f29\u653e\u548c\u8def\u5f84\u8ba1\u7b97\u7b97\u6cd5\u65b9\u9762\u7684\u5c40\u9650\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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