OSPF故障排除流程.docVIP

OSPF故障排除流程 ? 介绍：本文档介绍了对OSPF的一些常见问题进行TS的一个简单的工作流程。要了解更详细的信息请点击流程图中的红色字样 OSPF的整个TS流程如下图所示： ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? OSPF故障排除实例分析 http://www.UltraT/ 2002-12-19 juechen70 原创/编译 ,严禁转载 Route1 ROUTE2 interface Loopback0 ?ip address 55 ? interface Serial1 ?ip address ?ip ospf network broadcast ? router ospf 20 ?network 55 area 0 interface Loopback0 ?ip address 55 ! interface Serial1/1 ?ip address ?clockrate 64000 ? router ospf 20 ?network 55 area 0 ? ROUTE1#show ip ospf interface serial 1 Serial1 is up, line protocol is up? ? Internet Address /24, Area 0? ? Process ID 20, Router ID , Network Type BROADCAST, Cost: 64 ? Transmit Delay is 1 sec, State DR, Priority 1? ? Designated Router (ID) , Interface address ? Backup Designated router (ID) , Interface address ? Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 牋?i Hello due in 00:00:08 ? Neighbor Count is 1, Adjacent neighbor count is 1? 牋?e Adjacent with neighbor ? (Backup Designated Router) ? Suppress hello for 0 neighbor(s) ROUTE2#show ip ospf interface serial 1/1 Serial1/1 is up, line protocol is up? ? Internet Address /24, Area 0? ? Process ID 20, Router ID , Network Type POINT_TO_POINT, Cost: 64 ? Transmit Delay is 1 sec, State POINT_TO_POINT, ? Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 牋?i Hello due in 00:00:02 ? Neighbor Count is 1, Adjacent neighbor count is 1? 牋?e Adjacent with neighbor ? Suppress hello for 0 neighbor(s) 从上面可以看出，路由器Router1是配置broadcast模式，而路由器Roure2配置成点对点模块。这种网络类型的不匹配，导致了路由通告的不可达。 ROUTE1#show ip ospf database router Adv Router is not-reachable ? LS age: 418 ? Options: (No TOS-capability, DC) ? LS Type: Router Links ? Link State ID: ? Advertising Router: ? LS Seq Number:? Checksum: 0xFA63 ? Length: 60 牋L Number of Links: 3 牋?u Link connected to: another Router (point-to-point) 牋?i (Link ID) Neighboring Router ID: 牋?L (Link Data) Router Interface address: