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