Hey, Are you running some xconnects on these or just simple interfaces? A good thing is to move the xconnects (if there is any) from interface to service instance, this makes the machine to not learn mac-addresses.
/Peter 2014/1/24 <[email protected]> > > > Hi, > > I had a situation where traffic started to loop between two different > EFPs attached to the same bridge domain. There was no split horizon > configured so I could configure that, however if I understand the > documentation correctly I can only have 16 EFPs in same split horizon > group on ME3600x? > > When the loop started there were messages logged about MAC flapping, the > CPU spiked and ISIS adjacency went down and as a consequence also BGP > since loopbacks were no longer reachable. Would split horizon have > protected against this situation? > > Why would the CPU spike due to this? Is there no protection of the > control plane? The documentation talks about some default CoPP policy > but I could not see if it was applied. > > What else can be done to protect against these kind of situations? > > Best regards, > > Daniel Dib > > CCIE #37149 > > > _______________________________________________ > 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/
