Hi, I was in the middle of Lab 5 from WB3, when I noticed something strange with the OSPF adjacency from the FR hub to one of the spokes. I have noticed this behavior in other labs, but I have not had any luck in debbuging it. So R2 is the hub for R4 and R5:
R2(config-subif)#do sho run | sect router ospf router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 27 nssa R2(config-subif)#do sho run int s0/1/0 interface Serial0/1/0 bandwidth 512 ip address 193.44.245.2 255.255.255.128 encapsulation frame-relay ip ospf network broadcast ip ospf priority 255 ip ospf 1 area 0 no fair-queue frame-relay traffic-shaping frame-relay map ip 193.44.245.2 204 frame-relay map ip 193.44.245.5 205 frame-relay map ip 193.44.245.4 204 broadcast frame-relay interface-dlci 204 class FRTS frame-relay interface-dlci 205 class FRTS no frame-relay inverse-arp end R5(config-if)#do sho run | sect router ospf router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 23 stub R5(config-if)#do sho run int s0/1/0 interface Serial0/1/0 bandwidth 512 ip address 193.44.245.5 255.255.255.128 encapsulation frame-relay ip ospf network broadcast ip ospf priority 0 ip ospf 1 area 0 no fair-queue frame-relay traffic-shaping frame-relay map ip 193.44.245.2 502 frame-relay map ip 193.44.245.5 502 frame-relay map ip 193.44.245.4 502 broadcast frame-relay interface-dlci 502 class FRTS no frame-relay inverse-arp end Nothing unusual so far... but the adjacency keeps flapping: R2(config-subif)# Jun 18 07:33:24.579: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Serial0/1/0 from LOADING to FULL, Loading Done R2(config-subif)# Jun 18 07:34:12.027: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Serial0/1/0 from LOADING to FULL, Loading Done R2(config-subif)# Jun 18 07:35:08.239: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Serial0/1/0 from LOADING to FULL, Loading Done R5(config-if)# Jun 18 07:34:12.731: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/1/0 from LOADING to FULL, Loading Done R5(config-if)# Jun 18 07:35:00.703: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/1/0 from FULL to DOWN, Neighbor Down: Dead timer expired R5(config-if)# Jun 18 07:35:08.943: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/1/0 from LOADING to FULL, Loading Done The debug ip ospf adj only states the following: Jun 18 07:27:33.883: OSPF: Cannot see ourself in hello from 5.5.5.5 on Serial0/1/0, state INIT Jun 18 07:27:33.883: OSPF: Neighbor change Event on interface Serial0/1/0 Jun 18 07:27:33.883: OSPF: DR/BDR election on Serial0/1/0 Jun 18 07:27:33.883: OSPF: Elect BDR 0.0.0.0 Jun 18 07:27:33.883: OSPF: Elect DR 2.2.2.2 But the timers are the same: R2(config-if)#do sho ip ospf int s0/1/0 Serial0/1/0 is up, line protocol is up Internet Address 193.44.245.2/25, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type BROADCAST, Cost: 195 Enabled by interface config, including secondary ip addresses Transmit Delay is 1 sec, State DR, Priority 255 Designated Router (ID) 2.2.2.2, Interface address 193.44.245.2 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R5(config-if)#do sho ip ospf int s0/1/0 Serial0/1/0 is up, line protocol is up Internet Address 193.44.245.5/25, Area 0 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 195 Enabled by interface config, including secondary ip addresses Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 2.2.2.2, Interface address 193.44.245.2 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 As I said, I have noticed this behavior in other labs also. Can you guys see a reason for this? Regards, Daniel _______________________________________________ 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
