Unicast Flooding

Lee ler762 at gmail.com
Thu Jun 18 16:28:44 UTC 2009

On 6/18/09, Brian Shope <blackwolf99999 at gmail.com> wrote:
> Thanks for all the good info..
> So it sounds like changing my CAM timeout to 4 hours is the best
> suggestion.  Anyone have any problems when implementing this?

Not as long as all the user ports have portfast enabled.  Without
portfast, when a port goes up or down it causes a topology change
notification which sets the fast aging timer and the cam table entries
age out in something like 15 seconds.


More information about the NANOG mailing list