Re: Virtual link problem

this is lab 7 I guess

virtual link is not the solution for this task, tunnel is the solution

On Mon, Apr 6, 2009 at 8:34 AM, GAURAV MADAN <gauravmadan1177_at_gmail.com>wrote:

> 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 - 08:44:03 ART