In a topology in where R2, R4, R6 are connected on vlan1, and the configs are below, the neighbor-ship is constantly flapping,
R2(config)# *Mar 1 01:38:51.547: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R2(config)# *Mar 1 01:38:56.627: %OSPF-5-ADJCHG: Process 1, Nbr 6.6.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done R2(config)# *Mar 1 01:39:01.735: %OSPF-5-ADJCHG: Process 1, Nbr 6.6.6.6 on FastEthernet0/0 from LOADING to FULL, Loading Done *Mar 1 01:39:02.187: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R2(config)# *Mar 1 01:39:23.443: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R2(config)# *Mar 1 01:39:55.855: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R2(config)# *Mar 1 01:40:03.719: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done *R2(config)#do sh run inter f0/0* interface FastEthernet0/0 ip address 10.1.246.2 255.255.255.0 ip pim sparse-mode * ip ospf 1 area 0* duplex auto speed auto end R4#sh run inter f0/0 interface FastEthernet0/0 ip address 10.1.246.4 255.255.255.0 ip pim sparse-mode * ip ospf 1 area 0* duplex auto speed auto end *R6(config-if)#do sh run inter f0/0* interface FastEthernet0/0 ip address 10.1.246.6 255.255.255.0 ip pim sparse-mode * ip ospf 1 area 0* duplex auto speed auto end thanks "I started out with nothing. I still have most of it." - Michael Davis _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
