[c-nsp] Multicast Behavior on a Cat issue...

[Dale W. Carder]

On Sep 1, 2005, at 7:26 PM, Dave Temkin wrote:
> a host is
> publishing a significant amount of multicast, and when we span the  
> port we
> see two copies of the traffic (from the host out to the switch, and  
> then
> from the switch back to the host).

Is it switching unicast correctly?
How about broadcast?  Are they getting flooded too?

Maybe you have a loop, or (somehow) have the mac address table
full, or the replication mechanism is confused.  What kind of
cat is this?

Dale

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Dale W. Carder - Network Engineer
University of Wisconsin at Madison
http://net.doit.wisc.edu/~dwcarder