[56694] in North American Network Operators' Group
Re: Route Supression Problem
daemon@ATHENA.MIT.EDU (Danny McPherson)
Wed Mar 12 13:27:07 2003
To: nanog@merit.edu
From: Danny McPherson <danny@tcb.net>
Reply-To: danny@tcb.net
Date: Wed, 12 Mar 2003 11:27:06 -0700
Errors-To: owner-nanog-outgoing@merit.edu
> Dampening is done on the eBGP router where the route enters the AS, and,
> unless I'm mistaken, per route/path and not per prefix. So the flapping
> that ISP A sees from ISP B is a completely seperate thing from the
> flapping that ISP A sees from its customer's customer as far as the
> dampening algorithm is concerned.
Nope. It's per-prefix. Have a look at the pointer Randy provided.
I think one of the section of RFC 2439 alludes to this as well.
-danny
