Re: weird BGP cisco-ism? [problem resolved]

[Phil Howard <phil () charon milepost com>]

Craig A. Huegen wrote:

> On Fri, 11 Jul 1997, Matthew Kaufman wrote:
>
> ==>I redistribute in a similar way, and have the statics to null0 as well.
> ==>
> ==>Still insisted on flapping at least twice every time it got the brief
> ==>hit on the /24 subnet coming from the outside world.
>
> What routing protocol do you use?  If you're using a protocol which uses a
> hold-down (read: RIP), the holddown period causes the route to be
> withdrawn while marked as inaccessible in the IGP, and re-announced when
> the hold-down period goes away and the static route gets inserted.

You might try "no synchronization" in BGP.  It solved some flapping for me
that I was getting between a pair of routers where the paths were always
getting marked inaccessible.  My situation was different than this but it
seems to have enough similarity that maybe...

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Phil Howard KA9WGN   +-------------------------------------------------------+
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