From: Jeremy (jeremy19@xxxxxxxx)
Date: Fri Sep 14 2001 - 10:39:18 GMT-3
Would changing the lsa to type E1 help?
----- Original Message -----
From: "Olivier Martin" <omartin@genia.ca>
To: "'John Elias'" <jelias_@hotmail.com>; <tkc9789@hotmail.com>;
<Russell.Fear@capgemini.co.uk>; <ccielab@groupstudy.com>
Sent: Friday, September 14, 2001 5:57 AM
Subject: RE: Help!
> So what he is doing is mutual redistribution, which seems to be causing
the
> problem ?
>
> Olivier
>
> -----Message d'origine-----
> De : John Elias [mailto:jelias_@hotmail.com]
> Envoyi : 14 septembre, 2001 08:51
> @ : tkc9789@hotmail.com; Russell.Fear@capgemini.co.uk;
> ccielab@groupstudy.com
> Objet : Re: Help!
>
>
> Russell,
> Do a 'debug ip ospf lsa' on both of the isdn routers. This will tell
> you which ip is bringing up the isdn line after it comes down. Then
filter
> that route out of the redistribution into ospf. You will notice that the
> lsa route that is bring up the link is already part of ospf and igrp is
> trying to put it back into ospf as EX2. Do a 'show ip route' a few times
on
>
> another router in the topology and you will notice the routes are changing
> from IA to EX2. This is causing a loop in your network.
>
>
> John E.
> CCIE #8150
>
>
> >From: "tom cheung" <tkc9789@hotmail.com>
> >Reply-To: "tom cheung" <tkc9789@hotmail.com>
> >To: Russell.Fear@capgemini.co.uk, ccielab@groupstudy.com
> >Subject: Re: Help!
> >Date: Fri, 14 Sep 2001 06:53:30 -0500
> >
> >It sounds like you're getting feedback loops for your ISDN route. The
> >archives has several threads on this issue.
> >
> >
> >>From: "Fear, Russell H" <Russell.Fear@capgemini.co.uk>
> >>Reply-To: "Fear, Russell H" <Russell.Fear@capgemini.co.uk>
> >>To: "'ccielab@groupstudy.com'" <ccielab@groupstudy.com>
> >>Subject: Help!
> >>Date: Fri, 14 Sep 2001 10:38:25 +0100
> >>
> >>Can anyone in the group help me with thhe following problem.
> >>
> >>I have an ospf router which is redistributing igrp into area 0. It also
> >>has
> >>an isdn back-up as a demand circuit so that if the main connection to
area
> >>0
> >>dies, the isn kicks in and routes are still available. The problem is
that
> >>the LSAs caused by the re-distribution bring up the link continually. If
I
> >>block these, I block routing updates. I cant make the area a stub or an
> >>nssa
> >>because it is area 0 and has two other areas hanging off it.
> >>
> >>Am I missing something obvious ? It's been driving me mad. Help please .
> >>
> >>Russell
> >>
> >>* 700 2201 Internal
> >>* +44 ( 0 ) 870 238 2201 External
> >>* russell.fear@capgemini.co.uk
> >>
> >>
> >>
> >>
> >>
>
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