Re: Virtual link problem

I too faced this sometimes .

My suggestion :

check ur FR
make sure that u have inverse arp disabled and make sure that path u are
assuming ; data traffic is going via that only .
Have proper mappings and disab inverse arp .

HTH
Gaurav Madan

On Mon, Apr 6, 2009 at 10:47 AM, Naveen <navin.ms_at_gmail.com> wrote:

> Hi all,
>
> I was able to get the Virtual link up b/n R5 and R1, but the error message
> "%OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone
> area must be virtual-link but not found from 163.1.54.4, Serial0/0/0" keeps
> coming on routers R1 and R2. The IP address 163.1.54.4 is assigned to
> serial
> link on R4 connected to area 0.
>
> *My Scenario is -*
>
> *R4*-----area0-------*R5*------area1--------*R3*------area1-------*R1*
> ------area2-------*R2*
> 54.0/24 35.0/24 13.0/24
> 12.0/24
>
> Loopbacks are 150.1.X.X on each router. X = router number.
> Major Network = 163.1.0.0/16
>
> *R4:*
> router ospf 1
> log-adjacency-changes
> network 150.1.4.4 0.0.0.0 area 0
> network 163.1.54.4 0.0.0.0 area 0
>
> *R5:*
> router ospf 1
> log-adjacency-changes
> area 0 range 150.1.4.0 255.255.254.0 cost 734
> area 1 virtual-link 150.1.1.1
> network 150.1.5.5 0.0.0.0 area 0
> network 163.1.35.5 0.0.0.0 area 1
> network 163.1.54.5 0.0.0.0 area 0
>
> *R3:*
> router ospf 1
> log-adjacency-changes
> network 163.1.13.3 0.0.0.0 area 1
> network 163.1.35.3 0.0.0.0 area 1
>
> *R1:*
> router ospf 1
> log-adjacency-changes
> area 1 virtual-link 150.1.5.5
> network 150.1.1.1 0.0.0.0 area 1
> network 163.1.12.1 0.0.0.0 area 2
> network 163.1.13.1 0.0.0.0 area 1
>
> *R2:*
> router ospf 1
> log-adjacency-changes
> network 163.1.12.2 0.0.0.0 area 2
>
>
> *OSPF adjacencies on routers*
>
> *R4*# show ip ospf neighbor
> Neighbor ID Pri State Dead Time Address Interface
> 150.1.5.5 0 FULL/ - 00:00:39 163.1.54.5
> Serial0/0/0
>
> *R5*# show ip ospf neighbor
> Neighbor ID Pri State Dead Time Address Interface
> 150.1.1.1 0 FULL/ - - 163.1.13.1 OSPF_VL0
> 150.1.4.4 0 FULL/ - 00:00:33 163.1.54.4
> Serial0/0/0.54
> 150.1.3.3 0 FULL/ - 00:00:36 163.1.35.3
> Serial0/0/0.35
>
> *R3*# show ip ospf neighbor
> Neighbor ID Pri State Dead Time Address Interface
> 150.1.1.1 0 FULL/ - 00:00:34 163.1.13.1
> Serial0/0/2
> 150.1.5.5 0 FULL/ - 00:00:30 163.1.35.5
> Serial0/0/0
>
> *R1*# show ip ospf neighbor
> Neighbor ID Pri State Dead Time Address Interface
> 150.1.5.5 0 FULL/ - - 163.1.35.5 OSPF_VL2
> 150.1.3.3 0 FULL/ - 00:00:30 163.1.13.3
> Serial0/0/1
>
> *R2*# show ip ospf neighbor
> <no output>
>
> All help appreciated.
> Naveen.
>
>
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Received on Mon Apr 06 2009 - 11:04:21 ART