Re: [nsp] OSPF problems on 2600s

From: Majdi S. Abbas (msa@samurai.sfo.dead-dog.com)
Date: Fri Aug 04 2000 - 16:50:01 EDT


On Fri, Aug 04, 2000 at 12:08:45PM -0500, Steven Saner wrote:
> The problem is that as the OSPF is trying to get established between
> the core router and the edge router, one of them gets stuck in the
> EXSTART state and the other in the EXCHANGE state.
>
> Obviously one of the differences between the one that works and the
> others in the working one is an 11.3 version while the others are
> 12.0. Another difference is that the one that works is using a
> point-to-point T1 serial link (HDLC). The ones that do not work are
> all Frame-ATM with < T1 bandwidth. However, some of the 2500s that do
> work are on similar links.
>
> Does anyone know, or have ideas of why this is?

        Ensure that your OSPF timers are set correctly on both sides
of the link. Odds are you can't get past EXCHANGE because you're
timing out. This looks especially promising since it varies with
the speed of the link. How big is your OSPF routing table?

        --msa



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