On Fri, Sep 20, 2013 at 12:58 PM, Kurt Buff <[email protected]> wrote: > ... core layer3 switch ... spikes its CPU to 99% during these episodes ... > ... Volume of traffic is normal ...
CPU spikes on a switch is usually something "weird". Normal traffic is handled in the switch ASIC and doesn't touch the CPU at all. Typically it's things like ACLs or policy routing that hit the CPU. Got anything like that going on? > ... layer2 loop ... A layer two loop will light up every switch port on the first broadcast packet (or trigger loop detection, which should get logged), so I don't think that's it. -- Ben
