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

Scott Granados gsgranados at comcast.net
Wed Jun 27 13:01:58 EDT 2007


Reuben, thanks, that helps a lot.  Thanks for the pointer.

----- Original Message ----- 
From: "Reuben Farrelly" <reuben-cisco-nsp at reub.net>
To: "Vincent De Keyzer" <vincent at autempspourmoi.be>
Cc: "'Scott Granados'" <gsgranados at comcast.net>; <cisco-nsp at puck.nether.net>
Sent: Wednesday, June 27, 2007 7:54 AM
Subject: Re: [c-nsp] ospf (interface down or detached error)


> 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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