Yes, thanks guys. Stupid mistake...

On Sat, Jun 18, 2011 at 1:58 PM, Abdel El Anazi <[email protected]> wrote:

> 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
> > _______________________________________________
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