[c-nsp] Storm-Control on server switch uplinks.

Saku Ytti saku at ytti.fi
Thu Aug 26 14:14:53 EDT 2010


On (2010-08-26 10:15 -0400), schilling wrote:

> Now we are reviewing the whole process, the access switch uplink was
> only  730000 bits/sec and 8900
> packets/sec. This kind of traffic was enough to crash the catalyst 6500.

It shouldn't crash, if you meant there was software forced crash followed
by reload.
Storm-control isn't only thing you need to consider, also mls-ratelimits
and CoPP.

> During the storm, we enabled storm-control broadcast 0.01, the
> catalyst 6500 was running at 99% CPU. we shutdown that port afraid of
> crash it again.

It would be important to know what the box was receiving, to know how to
protect it.

-- 
  ++ytti


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