Re: Virtual link problem

it seems to be fine but

there is a problem is R3

the summarization that you did in the previous task will go on if you use VL

you can verify if show ip route 150.1.4.0 in R3 there is no more summary

coz there is leaking virtual link leak R4 and R5 prefixes

On Mon, Apr 6, 2009 at 9:05 AM, Naveen <navin.ms_at_gmail.com> wrote:

> Right. I was trying the alternate solution which is Virtual Link. Tunnel
> solution works fine though.
>
> The link R3------area1------R1 is PPP.
> Rest are FrameRelay serial links. Map statements are ok and inverse arp
> disabled on FR links.
>
> The error messages doesn' t stop. Am out of luck ;-(
>
> Naveen.
>
>
>
> On Sun, Apr 5, 2009 at 10:44 PM, Salah ElShekeil <
> salah.elshekeil_at_gmail.com> wrote:
>
>> 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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>>> >
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Received on Mon Apr 06 2009 - 09:10:44 ART