Re: [nsp] BGP Dampening bug?

From: Pete Templin (templin@urdirect.net)
Date: Thu Oct 19 2000 - 18:20:32 EDT


On Thu, 19 Oct 2000, Rick Payne wrote:

> We've been running with the RIPE specified values on BGP dampening for a
> while now. However - I noticed an oddity today when debugging zebra.
>
> A route which was flapping was getting to its supress value, but never
> going above it. This meant the route was withdrawn but almost immediately
> re-instated with no hold down. It turns out that this is because we had the
> supress value as a multiple of the half life.

I believe this is the relationship that must be respected:

2x(max-suppress/half-life) must be greater than (suppress/reuse).

Pete

--
Peter J. Templin, Jr., CCNA, CCDA
VP Networking

On-Line Internet Services - URDirect.net A division of Global On-Line Computers 5606 Randolph Blvd templin@urdirect.net San Antonio, TX 78233 (210)692-9911



This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:12:19 EDT