OSPF Error

Unanswered Question

Hi!

I have 2 OSPF Areas set up, and it works fine, but one of the 3550's is producing an error:

013476: *Mar 2 13:08:46: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 10.50.55.1, Vlan1


I have ran that error through the Output interpreter, and I have also tried to follow this guide:

http://www.cisco.com/en/US/customer/tech/tk365/technologies_tech_note09186a0080094819.shtml#probone


But no luck fixing it.


This is OSPF is configured on my 2 switches:

Switch#1:

router ospf 1

router-id 10.50.55.1

log-adjacency-changes

no capability lls

area 0 range 10.0.0.0 255.0.0.0

area 1.1.1.1 range 172.16.0.0 255.254.0.0

network 10.0.0.0 0.255.255.255 area 0

network 172.16.0.0 0.1.255.255 area 1.1.1.1

default-information originate


Switch#2: (This is the one producing error)

router ospf 1

router-id 172.16.0.1

log-adjacency-changes

network 172.16.0.0 0.1.255.255 area 1.1.1.1


Can anyone see something wrong that I don't see myself?


Thanks.

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Harold Ritter Fri, 03/16/2007 - 08:07
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  • Cisco Employee,

It appears that switch#2 receives the hello messages issued by switch#1 for area 0. This is probably due to the broadcast domain being shared for the interfaces in area 0 and area 1 on switch#1.


Hope this helps,

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