On 4/24/09, Marian Ďurkovič <[email protected]> wrote: > On Fri, Apr 24, 2009 at 10:01:08AM -0400, Lee wrote: >> > These TTL=1 are causing the high CPU. > > Yes, those are not HW switched but punted to CPU in order to generate > TTL_Exceeded ICMP message. Not sure if there's any knob to discard > them silently.
I thought that's what "no ip unreachable" was for.. >> Just out of curiousity, would adding "ip multicast ttl-threshold 3" > > Beware, this is real evil. On most switch platforms this will completely > disable HW forwarding of multicast packets and punt them *all* to CPU. oops... shows how much I know <grin> Thanks, Lee _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
