your problem is in the hop R2 is missing the broadcast keyward under the frame-relay map to R5
Sent from my iPhone On Jun 18, 2011, at 9:42, Daniel Gheorghe <[email protected]> wrote: > 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 _______________________________________________ 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
