{"id":91953,"date":"2024-04-25T11:03:30","date_gmt":"2024-04-25T03:03:30","guid":{"rendered":"\/\/www.dealsbon.com\/?p=91953"},"modified":"2024-04-25T11:03:37","modified_gmt":"2024-04-25T03:03:37","slug":"ossmxy","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/91953.html","title":{"rendered":"OSPF\u662f\u4ec0\u4e48\u534f\u8bae"},"content":{"rendered":"\n

\u3000\u3000OSPF(Open Shortest Path First\uff0c\u5f00\u653e\u5f0f\u6700\u77ed\u8def\u5f84\u4f18\u5148)<\/strong>\u662f\u4e00\u79cd\u5185\u90e8\u7f51\u5173\u534f\u8bae(IGP)\uff0c\u4e3b\u8981\u7528\u4e8e\u5728\u5355\u4e00\u81ea\u6cbb\u7cfb\u7edf(AS)\u5185\u8fdb\u884c\u8def\u7531\u51b3\u7b56\u3002\u5b83\u5c5e\u4e8e\u94fe\u8def\u72b6\u6001\u8def\u7531\u534f\u8bae\u7684\u4e00\u79cd\u5b9e\u73b0\uff0c\u901a\u8fc7\u6536\u96c6\u7f51\u7edc\u4e2d\u5404\u4e2a\u8def\u7531\u5668\u4e4b\u95f4\u7684\u94fe\u8def\u72b6\u6001\u4fe1\u606f\uff0c\u8ba1\u7b97\u51fa\u5230\u8fbe\u76ee\u7684\u5730\u7684\u6700\u77ed\u8def\u5f84\uff0c\u5e76\u7ef4\u62a4\u4e00\u5f20\u8def\u7531\u8868\u3002OSPF\u534f\u8bae\u7684\u7279\u70b9\u5305\u62ec\u5c06\u81ea\u6cbb\u7cfb\u7edf\u5212\u5206\u4e3a\u903b\u8f91\u610f\u4e49\u4e0a\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u533a\u57df\uff0c\u901a\u8fc7LSA(Link State Advertisement\uff0c\u94fe\u8def\u72b6\u6001\u901a\u544a)\u7684\u5f62\u5f0f\u53d1\u5e03\u8def\u7531\u4fe1\u606f\uff0c\u4f9d\u9760\u5728OSPF\u533a\u57df\u5185\u5404\u8bbe\u5907\u95f4\u4ea4\u4e92OSPF\u62a5\u6587\u6765\u8fbe\u5230\u8def\u7531\u4fe1\u606f\u7684\u7edf\u4e00\u3002<\/p>\n\n\n\n

\u3000\u3000OSPF\u7684\u5de5\u4f5c\u539f\u7406\u6d89\u53ca\u591a\u79cd\u62a5\u6587\uff0c\u5305\u62ecHELLO\u62a5\u6587\u3001LSA\u62a5\u6587\u7b49\uff0c\u901a\u8fc7\u8fd9\u4e9b\u62a5\u6587\u7684\u53d1\u9001\u548c\u63a5\u6536\uff0c\u8def\u7531\u5668\u4e4b\u95f4\u5efa\u7acb\u90bb\u5c45\u5173\u7cfb\uff0c\u5f62\u6210\u94fe\u8def\u72b6\u6001\u6570\u636e\u5e93(LSDB)\uff0c\u5e76\u6700\u7ec8\u901a\u8fc7SPF(Shortest Path First\uff0c\u6700\u77ed\u8def\u5f84\u4f18\u5148)\u7b97\u6cd5\u8ba1\u7b97\u51fa\u6700\u4f73\u8def\u5f84\u3002OSPF\u652f\u6301\u5bf9\u7b49\u4ef7\u8def\u7531\u8fdb\u884c\u8d1f\u8f7d\u5206\u62c5\uff0c\u5e76\u4e14\u53ef\u4ee5\u52a0\u5bc6\u62a5\u6587\uff0c\u4ee5\u63d0\u9ad8\u7f51\u7edc\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000OSPF\u7684\u4f18\u70b9\u5305\u62ec\u5feb\u901f\u6536\u655b\u3001\u5f00\u653e\u6807\u51c6\u3001\u65e0\u8def\u7531\u73af\u8def\u3001\u652f\u6301\u53d8\u957f\u5b50\u7f51\u63a9\u7801(VLSM)\u548c\u6c47\u603b\u3001\u5c42\u6b21\u533a\u57df\u5212\u5206\u7b49\u3002\u5b83\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6559\u80b2\u3001\u91d1\u878d\u3001\u8fd0\u8425\u5546\u3001\u4f01\u4e1a\u3001\u533b\u7597\u7b49\u884c\u4e1a\uff0c\u65e0\u8bba\u7ec4\u7f51\u6a21\u578b\u662f\u590d\u6742\u8fd8\u662f\u7b80\u5355\uff0c\u4e5f\u65e0\u8bba\u8bbe\u5907\u6570\u91cf\u548c\u8def\u7531\u6761\u76ee\u6709\u591a\u5c11\uff0cOSPF\u90fd\u80fd\u5f88\u597d\u5730\u6ee1\u8db3\u5bf9\u5e94\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n

\u3000\u3000OSPF\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u53ef\u9760\u7684\u52a8\u6001\u8def\u7531\u534f\u8bae\uff0c\u9002\u7528\u4e8eIPv4\u548cIPv6\u73af\u5883\uff0c\u80fd\u591f\u6709\u6548\u5730\u89e3\u51b3\u7f51\u7edc\u4e2d\u7684\u8def\u7531\u9009\u62e9\u95ee\u9898\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/strong><\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001 OSPF\u534f\u8bae\u7684\u6700\u65b0\u7248\u672c\u662f\u4ec0\u4e48\uff0c\u4e0e\u65e7\u7248\u672c\u6709\u54ea\u4e9b\u4e3b\u8981\u6539\u8fdb?<\/h2>\n\n\n\n

\u3000\u3000OSPF\u534f\u8bae\u7684\u6700\u65b0\u7248\u672c\u662fOSPFv3.\u4e0e\u65e7\u7248\u672c\u76f8\u6bd4\uff0cOSPFv3\u4e3b\u8981\u6539\u8fdb\u5305\u62ec\u652f\u6301IPv6\u3001\u589e\u5f3a\u7684\u5b89\u5168\u6027\u3001\u652f\u6301\u591a\u64ad\u3001\u652f\u6301\u66f4\u591a\u7684\u5730\u5740\u65cf\u4ee5\u53ca\u7b80\u5316\u7684\u914d\u7f6e\u3002\u6b64\u5916\uff0cOSPFv3\u662f\u5728OSPFv2\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u6539\u8fdb\u7684\uff0c\u5b83\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u8def\u7531\u534f\u8bae\u3002\u8fd9\u8868\u660eOSPFv3\u4e0d\u4ec5\u5728\u6280\u672f\u4e0a\u8fdb\u884c\u4e86\u66f4\u65b0\uff0c\u4ee5\u9002\u5e94\u65b0\u7684\u7f51\u7edc\u73af\u5883\uff0c\u5982IPv6.\u8fd8\u5728\u5b89\u5168\u6027\u3001\u529f\u80fd\u6027\u548c\u6613\u7528\u6027\u65b9\u9762\u8fdb\u884c\u4e86\u663e\u8457\u7684\u63d0\u5347\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001 OSPF\u5982\u4f55\u5904\u7406\u7f51\u7edc\u4e2d\u7684\u73af\u8def\u95ee\u9898?<\/h2>\n\n\n\n

\u3000\u3000OSPF\u5904\u7406\u7f51\u7edc\u4e2d\u7684\u73af\u8def\u95ee\u9898\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u673a\u5236\uff1a<\/p>\n\n\n\n

    \n
  • \u3000\u3000\u94fe\u8def\u72b6\u6001\u8def\u7531\u9009\u62e9\u7b97\u6cd5\uff1aOSPF\u534f\u8bae\u91c7\u7528\u94fe\u8def\u72b6\u6001\u8def\u7531\u9009\u62e9\u7b97\u6cd5\uff0c\u5728\u540c\u4e00OSPF\u533a\u57df\u5185\uff0c\u8def\u7531\u5668\u4e4b\u95f4\u901a\u8fc7\u4ea4\u4e92\u94fe\u8def\u72b6\u6001\u901a\u77e5(LSA)\uff0c\u4f7f\u5f97\u6bcf\u53f0\u8def\u7531\u5668\u90fd\u80fd\u591f\u77e5\u6653\u672c\u533a\u57df\u7684\u7f51\u7edc\u62d3\u6251\uff0c\u5e76\u5c06\u76f8\u5173\u4fe1\u606f\u5b58\u653e\u5728\u81ea\u5df1\u7684\u94fe\u8def\u72b6\u6001\u6570\u636e\u5e93(LSDB)\u4e2d\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6700\u4f18\u8def\u7531\u662f\u6839\u636eLSA\u8ba1\u7b97\u5f97\u6765\u7684\u3002<\/li>\n\n\n\n
  • \u3000\u3000SPF\u7b97\u6cd5\uff1aOSPF\u4f7f\u7528SPF\u7b97\u6cd5\u6765\u786e\u4fdd\u533a\u57df\u5185\u7edd\u5bf9\u65e0\u73af\u3002SPF\u7b97\u6cd5\uff0c\u4e5f\u79f0\u4e3aDijkstra\u7b97\u6cd5\uff0c\u901a\u8fc7\u5c06\u6bcf\u4e2a\u8def\u7531\u5668\u4f5c\u4e3a\u6839\u6765\u8ba1\u7b97\u5176\u5230\u6bcf\u4e00\u4e2a\u76ee\u7684\u5730\u8def\u7531\u5668\u7684\u8ddd\u79bb\uff0c\u4ece\u800c\u6784\u5efa\u51fa\u4e00\u4e2a\u7c7b\u4f3c\u6811\u7684\u7ed3\u6784\uff0c\u8fd9\u4e2a\u7ed3\u6784\u88ab\u79f0\u4e3a\u6700\u77ed\u8def\u5f84\u6811\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u8def\u7531\u5668\u90fd\u4f1a\u8ba1\u7b97\u51fa\u8def\u7531\u57df\u7684\u62d3\u6251\u7ed3\u6784\u56fe\uff0c\u907f\u514d\u4e86\u73af\u8def\u7684\u5f62\u6210\u3002<\/li>\n\n\n\n
  • \u3000\u3000DN-BIT\u6807\u5fd7\u4f4d\u548cTag\u9632\u73af\uff1a\u5728OSPF\u591a\u5b9e\u4f8b\u73af\u5883\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eDN-BIT\u6807\u5fd7\u4f4d\u6216\u4f7f\u7528Tag\u6765\u9632\u6b62\u73af\u8def\u3002\u5f53BGP\u8def\u7531\u5f15\u5165\u5230OSPF\u57df\u4e2d\u540e\uff0c\u6240\u4ea7\u751f\u7684\u7279\u5b9a\u7c7b\u578b\u7684LSA\u9700\u8981\u8bbe\u7f6eDN-BIT\u6807\u5fd7\u4f4d\uff0c\u8fd9\u6837\u5176\u4ed6PE\u5bf9\u5b66\u4e60\u5230\u7684LSA\u4f1a\u68c0\u67e5\u662f\u5426\u8bbe\u7f6e\u4e86DN-BIT\u6807\u5fd7\u4f4d\uff0c\u5982\u679c\u8bbe\u7f6e\u4e86\u5219\u5bf9\u5e94\u7684LSA\u4e0d\u4f1a\u53c2\u4e0e\u5230\u8def\u7531\u8ba1\u7b97\u4e2d\uff0c\u4ece\u800c\u9632\u6b62\u51fa\u73b0\u8def\u7531\u73af\u8def\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6eTag\u6765\u8fc7\u6ee4\u6389\u539f\u8fdb\u7a0b\u7684\u8def\u7531\uff0c\u8fdb\u4e00\u6b65\u9632\u6b62\u73af\u8def\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u533a\u57df\u95f4\u8def\u7531\u8bbe\u8ba1\u539f\u5219\uff1a\u4e3a\u4e86\u907f\u514d\u533a\u57df\u95f4\u7684\u73af\u8def\uff0cOSPF\u89c4\u5b9a\u4e0d\u5141\u8bb8\u4e24\u4e2a\u975e\u9aa8\u5e72\u533a\u57df\u4e4b\u95f4\u76f4\u63a5\u4f20\u9012\u8def\u7531\u4fe1\u606f\uff0c\u53ea\u5141\u8bb8\u5728\u4e00\u4e2a\u533a\u57df\u5185\u90e8\u6216\u8005\u9aa8\u5e72\u533a\u57df\u548c\u975e\u9aa8\u5e72\u533a\u57df\u4e4b\u95f4\u53d1\u5e03\u8def\u7531\u4fe1\u606f\u3002\u8fd9\u79cd\u8bbe\u8ba1\u539f\u5219\u6709\u52a9\u4e8e\u51cf\u5c11\u56e0\u8def\u7531\u8ba1\u7b97\u8fc7\u591a\u800c\u5bfc\u81f4\u7684\u73af\u8def\u95ee\u9898\u3002<\/li>\n\n\n\n
  • \u3000\u3000\u5f15\u5165\u8def\u7531\u73af\u8def\u68c0\u6d4b\u529f\u80fd\uff1a\u5f53OSPF\u8fdb\u7a0b\u5f15\u5165\u8def\u7531\u65f6\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u8def\u7531\u73af\u8def\u3002\u901a\u8fc7\u914d\u7f6eOSPF\u5f15\u5165\u8def\u7531\u73af\u8def\u68c0\u6d4b\u529f\u80fd\uff0c\u5f53\u8bbe\u5907\u68c0\u6d4b\u5230\u5f15\u5165\u4e86\u81ea\u5df1\u53d1\u5e03\u7684\u8def\u7531\u65f6\uff0c\u4f1a\u4e3a\u6b64\u8def\u7531\u53d1\u5e03\u4e00\u4e2a\u5f88\u5927\u7684\u94fe\u8def\u5f00\u9500\u503c\uff0c\u4f7f\u5f97\u5176\u4ed6\u8bbe\u5907\u5b66\u4e60\u5230\u8fd9\u4e2a\u8def\u7531\u4e4b\u540e\u5c3d\u91cf\u4f18\u9009\u5230\u5176\u4ed6\u8def\u5f84\u4e0a\uff0c\u8fdb\u800c\u907f\u514d\u8def\u7531\u73af\u8def\u3002<\/li>\n<\/ul>\n\n\n\n

    \u3000\u3000OSPF\u901a\u8fc7\u591a\u79cd\u673a\u5236\u548c\u7b97\u6cd5\u6765\u6709\u6548\u5904\u7406\u7f51\u7edc\u4e2d\u7684\u73af\u8def\u95ee\u9898\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u94fe\u8def\u72b6\u6001\u8def\u7531\u9009\u62e9\u7b97\u6cd5\u3001SPF\u7b97\u6cd5\u3001DN-BIT\u6807\u5fd7\u4f4d\u548cTag\u9632\u73af\u3001\u533a\u57df\u95f4\u8def\u7531\u8bbe\u8ba1\u539f\u5219\u4ee5\u53ca\u5f15\u5165\u8def\u7531\u73af\u8def\u68c0\u6d4b\u529f\u80fd\u7b49\u3002<\/p>\n\n\n\n

    \u3000\u3000\u4e09\u3001 OSPF\u5728IPv6\u73af\u5883\u4e0b\u7684\u8868\u73b0\u548c\u9650\u5236\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

    \u3000\u3000OSPF\u5728IPv6\u73af\u5883\u4e0b\u7684\u8868\u73b0\u548c\u9650\u5236\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n

      \n
    • \u3000\u3000\u652f\u6301IPv6\uff1aOSPFv3\u662f\u4e13\u95e8\u4e3aIPv6\u8bbe\u8ba1\u7684\uff0c\u5b83\u6269\u5c55\u4e86OSPFv2\u4ee5\u652f\u6301IPv6\u534f\u8bae\u6808\uff0c\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8def\u7531\u529f\u80fd\uff0c\u5141\u8bb8\u7f51\u7edc\u7ba1\u7406\u5458\u6709\u6548\u5730\u7ba1\u7406\u590d\u6742\u7684IPv6\u7f51\u7edc\u62d3\u6251\u3002\u8fd9\u8868\u660eOSPFv3\u80fd\u591f\u9002\u5e94IPv6\u73af\u5883\u7684\u9700\u6c42\uff0c\u63d0\u4f9b\u5fc5\u8981\u7684\u8def\u7531\u529f\u80fd\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u8ba4\u8bc1\u673a\u5236\u7684\u53d8\u5316\uff1a\u4e0eOSPFv2\u4e0d\u540c\uff0cOSPFv3\u4e0d\u518d\u63d0\u4f9b\u81ea\u5df1\u7684\u8ba4\u8bc1\u529f\u80fd\u3002\u8fd9\u662f\u56e0\u4e3aOSPFv3\u901a\u8fc7\u4f7f\u7528IPv6\u63d0\u4f9b\u7684\u5b89\u5168\u673a\u5236\u6765\u4fdd\u8bc1\u62a5\u6587\u7684\u5408\u6cd5\u6027\uff0c\u56e0\u6b64\u53d6\u6d88\u4e86OSPFv2\u62a5\u6587\u4e2d\u7684\u8ba4\u8bc1\u5b57\u6bb5\u3002\u8fd9\u610f\u5473\u7740\u5728IPv6\u73af\u5883\u4e0b\uff0cOSPFv3\u4f9d\u8d56\u4e8eIPv6\u7684\u5b89\u5168\u7279\u6027\u6765\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u57fa\u4e8e\u94fe\u8def\u800c\u975eIP\uff1aOSPFv3\u662f\u57fa\u4e8e\u94fe\u8def\u8fd0\u884c\u7684\uff0c\u800c\u4e0d\u662f\u50cfOSPFv2\u90a3\u6837\u57fa\u4e8e\u7f51\u7edc\u3002\u8fd9\u610f\u5473\u7740\u4e24\u53f0\u8def\u7531\u5668\u8981\u5f62\u6210\u90bb\u5c45\u5173\u7cfb\uff0c\u5b83\u4eec\u5fc5\u987b\u4f4d\u4e8e\u540c\u4e00\u4e2a\u94fe\u8def\u4e0a\u3002\u8fd9\u4e00\u70b9\u4e0eOSPFv2\u6709\u663e\u8457\u7684\u4e0d\u540c\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u5230\u7f51\u7edc\u7684\u90e8\u7f72\u548c\u914d\u7f6e\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u914d\u7f6e\u4e0a\u7684\u53d8\u5316\uff1a\u5728IPv6\u73af\u5883\u4e0b\u914d\u7f6eOSPFv3\u65f6\uff0c\u4e0d\u9700\u8981\u901a\u544a\u76f4\u8fde\u7f51\u6bb5\u3002\u4e00\u53f0\u8def\u7531\u5668\u4e0e\u53e6\u4e00\u53f0\u8def\u7531\u5668\u76f8\u8fde\u63a5\u7684\u63a5\u53e3\u7684\u5168\u7403\u5355\u64ad\u5730\u5740\u53ef\u4ee5\u4e0d\u5728\u540c\u4e00\u7f51\u6bb5\u4e2d\u3002\u8fd9\u662f\u56e0\u4e3aIPv6\u534f\u8bae\u6808\u89c4\u5b9a\u4e86\u4e00\u4e2a\u4ee5fe80\u5f00\u5934\u7684\u94fe\u8def\u672c\u5730\u5730\u5740\u3002\u8fd9\u79cd\u914d\u7f6e\u4e0a\u7684\u53d8\u5316\u7b80\u5316\u4e86IPv6\u73af\u5883\u4e0b\u7684OSPFv3\u914d\u7f6e\u8fc7\u7a0b\u3002<\/li>\n\n\n\n
    • \u3000\u3000\u52a8\u6001\u8def\u7531\u9009\u62e9\uff1aOSPF\u534f\u8bae\u80fd\u591f\u6839\u636e\u5b9e\u65f6\u7684\u7f51\u7edc\u62d3\u6251\u53d8\u5316\u8fdb\u884c\u52a8\u6001\u8def\u7531\u9009\u62e9\uff0c\u4fdd\u8bc1\u7f51\u7edc\u7684\u8fde\u63a5\u6027\u548c\u9ad8\u53ef\u9760\u6027\u3002OSPFv3\u652f\u6301IPv6\u5730\u5740\u7684\u8def\u7531\uff0c\u8fdb\u4e00\u6b65\u5f3a\u5316\u4e86\u5176\u5728IPv6\u73af\u5883\u4e0b\u7684\u5e94\u7528\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n

      \u3000\u3000OSPF\u5728IPv6\u73af\u5883\u4e0b\u7684\u8868\u73b0\u4f53\u73b0\u5728\u5176\u5bf9IPv6\u7684\u652f\u6301\u3001\u5b89\u5168\u673a\u5236\u7684\u5229\u7528\u3001\u57fa\u4e8e\u94fe\u8def\u7684\u64cd\u4f5c\u65b9\u5f0f\u4ee5\u53ca\u914d\u7f6e\u4e0a\u7684\u4fbf\u5229\u6027\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u53d8\u5316\u4e5f\u5e26\u6765\u4e86\u65b0\u7684\u9650\u5236\uff0c\u5982\u8ba4\u8bc1\u673a\u5236\u7684\u53d8\u5316\u548c\u5bf9\u7f51\u7edc\u90e8\u7f72\u65b9\u5f0f\u7684\u5f71\u54cd\u3002\u603b\u7684\u6765\u8bf4\uff0cOSPFv3\u4e3aIPv6\u73af\u5883\u4e0b\u7684\u8def\u7531\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u652f\u6301\uff0c\u4f46\u540c\u65f6\u4e5f\u9700\u8981\u9002\u5e94\u8fd9\u4e9b\u65b0\u7684\u7279\u6027\u548c\u9650\u5236\u3002<\/p>\n\n\n\n

      \u3000\u3000\u56db\u3001 \u5982\u4f55\u914d\u7f6e\u548c\u4f18\u5316OSPF\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6536\u655b\u901f\u5ea6?<\/h2>\n\n\n\n

      \u3000\u3000\u914d\u7f6e\u548c\u4f18\u5316OSPF\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6536\u655b\u901f\u5ea6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\uff1a<\/p>\n\n\n\n

        \n
      • \u3000\u3000\u8c03\u6574Hello\u65f6\u95f4\uff1a\u901a\u8fc7\u51cf\u5c11Hello\u62a5\u6587\u7684\u53d1\u9001\u95f4\u9694\uff0c\u53ef\u4ee5\u52a0\u5feb\u90bb\u5c45\u53d1\u73b0\u7684\u901f\u5ea6\uff0c\u4ece\u800c\u51cf\u5c11OSPF\u7684\u6536\u655b\u65f6\u95f4\u3002\u4f8b\u5982\uff0c\u5c06Hello\u65f6\u95f4\u8bbe\u7f6e\u4e3a5\u79d2\u6216\u66f4\u77ed\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11\u6536\u655b\u65f6\u95f4\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u914d\u7f6e\u7f51\u7edc\u7c7b\u578b\uff1a\u9009\u62e9\u5408\u9002\u7684\u7f51\u7edc\u7c7b\u578b(\u5982\u5e7f\u64ad\u3001\u70b9\u5bf9\u70b9\u7b49)\u5bf9\u4e8eOSPF\u7684\u6027\u80fd\u6709\u91cd\u8981\u5f71\u54cd\u3002\u5728\u70b9\u5bf9\u70b9\u8fde\u63a5\u4e2d\uff0c\u4e0d\u9700\u8981\u9009\u4e3eDR\uff0c\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u548c\u5ef6\u8fdf\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4f18\u5316\u63a5\u53e3\u5f00\u9500(Cost)\uff1a\u901a\u8fc7\u5408\u7406\u914d\u7f6e\u63a5\u53e3\u7684\u5f00\u9500\u503c\uff0c\u53ef\u4ee5\u5f71\u54cdOSPF\u4e2d\u7684\u8def\u7531\u9009\u62e9\uff0c\u4f7f\u5f97\u6570\u636e\u5305\u80fd\u591f\u66f4\u5feb\u5730\u5728\u7f51\u7edc\u4e2d\u4f20\u64ad\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u63a5\u53e3\u7684\u5e26\u5bbd\u53c2\u8003\u503c\u6765\u8c03\u6574\u5176\u5f00\u9500\u503c\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u4f7f\u7528\u7b49\u4ef7\u8def\u7531\u548c\u8def\u7531\u9009\u62e9\u89c4\u5219\uff1a\u901a\u8fc7\u914d\u7f6e\u7b49\u4ef7\u8def\u7531\u548c\u81ea\u5b9a\u4e49\u7684\u8def\u7531\u9009\u62e9\u89c4\u5219\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u4f18\u5316\u8def\u7531\u7684\u9009\u62e9\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8def\u7531\u5faa\u73af\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u548c\u6548\u7387\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u914d\u7f6eOSPF stub\u533a\u57df\uff1a\u5728\u4e0d\u9700\u8981\u5916\u90e8\u8def\u7531\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u7f51\u7edc\u5212\u5206\u4e3astub\u533a\u57df\u53ef\u4ee5\u963b\u6b62LSA\u5728\u7f51\u7edc\u4e2d\u7684\u4f20\u64ad\uff0c\u51cf\u5c11\u8def\u7531\u66f4\u65b0\u7684\u6570\u91cf\uff0c\u4ece\u800c\u52a0\u5feb\u6536\u655b\u901f\u5ea6\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u91cd\u542fOSPF\u8fdb\u7a0b\uff1a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u91cd\u542fOSPF\u8fdb\u7a0b\u53ef\u4ee5\u89e3\u51b3\u7531\u4e8e\u914d\u7f6e\u9519\u8bef\u6216\u5176\u4ed6\u95ee\u9898\u5bfc\u81f4\u7684OSPF\u4e0d\u7a33\u5b9a\u72b6\u6001\uff0c\u6709\u52a9\u4e8e\u5feb\u901f\u6062\u590d\u7f51\u7edc\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/li>\n\n\n\n
      • \u3000\u3000\u624b\u52a8\u9009\u62e9DR\u548cBDR\uff1a\u5728\u590d\u6742\u7684\u7f51\u7edc\u73af\u5883\u4e2d\uff0c\u81ea\u52a8\u9009\u4e3eDR\u548cBDR\u53ef\u80fd\u4e0d\u662f\u6700\u4f73\u9009\u62e9\u3002\u624b\u52a8\u6307\u5b9a\u8fd9\u4e9b\u89d2\u8272\u53ef\u4ee5\u786e\u4fdd\u7f51\u7edc\u4e2d\u7684\u901a\u4fe1\u66f4\u52a0\u9ad8\u6548\u548c\u53ef\u9760\u3002<\/li>\n<\/ul>\n\n\n\n

        \u3000\u3000\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\u7684\u7efc\u5408\u5e94\u7528\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u914d\u7f6e\u548c\u4f18\u5316OSPF\uff0c\u63d0\u9ad8\u7f51\u7edc\u7684\u6536\u655b\u901f\u5ea6\u548c\u6574\u4f53\u6027\u80fd\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f18\u5316\u63aa\u65bd\u5e94\u6839\u636e\u5177\u4f53\u7684\u7f51\u7edc\u73af\u5883\u548c\u9700\u6c42\u7075\u6d3b\u8c03\u6574\u3002<\/p>\n\n\n\n

        \u3000\u3000\u4e94\u3001 OSPF\u652f\u6301\u7684\u52a0\u5bc6\u62a5\u6587\u7c7b\u578b\u53ca\u5176\u5bf9\u7f51\u7edc\u5b89\u5168\u7684\u5177\u4f53\u5f71\u54cd\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n

        \u3000\u3000OSPF(\u5f00\u653e\u6700\u77ed\u8def\u5f84\u4f18\u5148)\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u5185\u90e8\u7f51\u5173\u534f\u8bae\uff0c\u5b83\u652f\u6301\u4e94\u79cd\u57fa\u672c\u7684\u62a5\u6587\u7c7b\u578b\uff1aHello\u62a5\u6587\u3001DD\u62a5\u6587\u3001LSR\u62a5\u6587\u3001LSU\u62a5\u6587\u548cLSAck\u62a5\u6587\u3002\u8fd9\u4e9b\u62a5\u6587\u7c7b\u578b\u662fOSPF\u6b63\u5e38\u8fd0\u884c\u7684\u57fa\u7840\uff0c\u4f46\u5b83\u4eec\u4e5f\u66b4\u9732\u4e86OSPF\u5728\u5b89\u5168\u6027\u65b9\u9762\u7684\u6f5c\u5728\u6f0f\u6d1e\u3002<\/p>\n\n\n\n

        \u3000\u3000\u7531\u4e8eOSPF\u534f\u8bae\u662f\u57fa\u4e8e\u5f00\u653e\u6807\u51c6\u7684\uff0c\u7f3a\u4e4f\u6709\u6548\u7684\u5b89\u5168\u63aa\u65bd\u53ef\u80fd\u4f7f\u7f51\u7edc\u5bb9\u6613\u53d7\u5230\u5404\u79cd\u653b\u51fb\u3002\u4f8b\u5982\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528TTL(Time to Live)\u5b57\u6bb5\u8fdb\u884c\u6b3a\u9a97\u3002\u6b64\u5916\uff0c\u6076\u610f\u653b\u51fb\u8005\u8fd8\u53ef\u4ee5\u4f2a\u9020OSPF\u534f\u8bae\u7684\u90bb\u5c45\uff0c\u5bfc\u81f4\u8def\u7531\u8868\u7684\u9519\u8bef\u66f4\u65b0\uff0c\u4ece\u800c\u5f71\u54cd\u7f51\u7edc\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u8fd9\u8868\u660e\uff0c\u5c3d\u7ba1OSPF\u63d0\u4f9b\u4e86\u57fa\u672c\u7684\u8def\u7531\u529f\u80fd\uff0c\u4f46\u5728\u9762\u5bf9\u7279\u5b9a\u7684\u5b89\u5168\u5a01\u80c1\u65f6\uff0c\u5176\u81ea\u8eab\u7684\u5b89\u5168\u673a\u5236\u53ef\u80fd\u4e0d\u8db3\u4ee5\u63d0\u4f9b\u8db3\u591f\u7684\u4fdd\u62a4\u3002<\/p>\n\n\n\n

        \u3000\u3000\u4e3a\u4e86\u63d0\u9ad8OSPF\u7f51\u7edc\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6eOSPF\u9a8c\u8bc1\u7279\u6027\u548cGTSM(Group Trust Security Model)\u673a\u5236\u6765\u589e\u5f3a\u5b89\u5168\u6027\u3002GTSM\u4e3b\u8981\u4f5c\u7528\u4e8e\u865a\u8fde\u63a5\u548c\u4f2a\u8fde\u63a5\uff0c\u652f\u6301\u5355\u64ad\u5730\u5740\u3002\u8fd9\u610f\u5473\u7740\u901a\u8fc7\u9002\u5f53\u7684\u914d\u7f6e\u548c\u4f7f\u7528\u9ad8\u7ea7\u5b89\u5168\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7f13\u89e3OSPF\u9762\u4e34\u7684\u5b89\u5168\u6311\u6218\u3002<\/p>\n\n\n\n

        \u3000\u3000\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u867d\u7136\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u5982IPSec\u7b49\u52a0\u5bc6\u6280\u672f\u6765\u8fdb\u4e00\u6b65\u4fdd\u969c\u7f51\u7edc\u901a\u4fe1\u7684\u5b89\u5168\u4e0e\u8def\u7531\u6548\u7387\uff0c\u4f46\u8fd9\u53ef\u80fd\u4f1a\u5f15\u5165\u989d\u5916\u7684\u6027\u80fd\u5f00\u9500\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u65bd\u8fd9\u4e9b\u5b89\u5168\u63aa\u65bd\u65f6\uff0c\u9700\u8981\u6743\u8861\u5b89\u5168\u6027\u548c\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n

        \u3000\u3000OSPF\u652f\u6301\u7684\u52a0\u5bc6\u62a5\u6587\u7c7b\u578b\u53ca\u5176\u5bf9\u7f51\u7edc\u5b89\u5168\u7684\u5177\u4f53\u5f71\u54cd\u4f53\u73b0\u5728\uff1a\u901a\u8fc7\u914d\u7f6e\u9a8c\u8bc1\u7279\u6027\u548cGTSM\u673a\u5236\u53ef\u4ee5\u63d0\u9ad8OSPF\u7f51\u7edc\u7684\u5b89\u5168\u6027\uff0c\u4f46\u540c\u65f6\u4e5f\u9700\u8981\u6ce8\u610f\u53ef\u80fd\u5f15\u5165\u7684\u6027\u80fd\u5f00\u9500\u3002\u6b64\u5916\uff0cOSPF\u81ea\u8eab\u7684\u5b89\u5168\u673a\u5236\u5b58\u5728\u4e00\u5b9a\u7684\u5c40\u9650\u6027\uff0c\u9700\u8981\u901a\u8fc7\u989d\u5916\u7684\u5b89\u5168\u63aa\u65bd\u6765\u5f25\u8865\u8fd9\u4e9b\u4e0d\u8db3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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