[c-nsp] ospf (interface down or detached error)

[Reuben Farrelly]

There is a good document at:

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a008009481a.shtml

on troubleshooting this sort of thing and in fact OSPF problems generally.

reuben


On 27/06/2007 5:42 PM, Vincent De Keyzer wrote:
> Hi Scott,
> 
> I'm not very good at this, but are you sure it's OK to connect a FR
> interface to an ATM interface? How is the conversion performed?
> 
> Can you ping across the link?
> 
> Vincent
> 
>> I have two routers 2600 and 7206.  Attached together via two ports 1 DS1
>> frame relay and 1 DSL directly connected (no PPPOE) aal5snap.
>>
>> On both routers I have the following ospf config
>>
>> 2600#
>> router ospf 1
>> log-adjacency
>> redistribute connected subnets
>> network 172.16.100.0 0.0.0.3 area 1
>>
>>
>> 7206#
>>
>> router ospf 1
>> log-adjacency
>> redistribute connected subnets
>> network 172.16.100.0 0.0.0.3 area 1
>>
>> SERIAL on 2600
>>
>> interface serial 0/1
>> no ip address
>> encapsulation frame-relay ietf
>> frame-relay lmi-type ansi
>> !
>> interface serial 0/1.1 point
>> ip address 172.16.100.2 255.255.255.252
>> frame-relay interface-dlci 16 ietf
>>
>>
>> On the 7206
>>
>> Interface atm 3/0
>> no ip address
>> !
>> interface atm 3/0.1 point
>> ip address 172.16.100.1 255.255.255.252
>> pvc 0/197
>> encapsulation aal5snap
>>
>>
>> I have not activated any other interfaces at this point.  I keep getting a
>> repeated interface down or detached error.  Any pointers would be
>> appreciated?
>>
>> Thanks
>> Scott
> 
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