[c-nsp] Identifying BGP route flapping

Mike Johnson harbor235 at gmail.com
Wed Apr 9 11:54:27 EDT 2008


That will work for local BGP flaps, but if you are trying to monitor BGP
flaps on the net this will not work.
You could setup a router that has BGP dampening enabled, this will give you
a look into flaps
on the net.

harbor235 ;}

On Wed, Apr 9, 2008 at 11:48 AM, Adam Armstrong <lists at memetic.org> wrote:

> Frank Bulk wrote:
> > We had an incident a little over a week ago where our upstream provider
> > (which managers our edge routers) told us that the BGP routes were
> flapping
> > between our two edge routers.
> >
> > Is there a MIB that we can poll to monitor the number of changes in
> routing
> > tables, or BGP flaps?
> >
> You can find out when the session last changed, how many messages have
> been sent across the session and how many updates have been sent across
> the session.
>
> Sadly i don't think there's a flap counter you can poll.
>
> adam.
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