Someone on another forum suggested using IP SLA and EEM to react to network changes. It's definitely an idea.
On Thu, Oct 2, 2014 at 11:46 AM, Paul Wozney <[email protected]> wrote: > Okay so I've got two BGP routers here, accepting partial routes - one > carrier to each router. Each carrier advertises a default route. I use an > as-path filter to limit learned routes to those of the carrier +1 ASn: > > ip as-path access-list 11 permit ^NNNN_[0-9]*$ > > > One carrier has now had two outages in the last year where they've lost > their upstream. They continue to advertise a default route to us, so our > network experiences failures until we kill the link. > > It strikes me that if we had FULL routes (and no default route accepted) we > could react automatically to failures like this - we could share tables > between the routers and if one carrier lost half their routes we'd pick > them up from the other router. > > Is this just how life with partial routes is? Or is there something else I > can do? > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
