North American Network Operators Group
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RE: Cisco vulnerability on smaller catalyst switches

  • From: Steve Rude
  • Date: Fri Jul 18 20:28:38 2003 
>> I tested Catalyst 2924-XL-EN with 12.0(5)WC5a and I found that
without
>> L3 capability it does not seem to be affected.  But with L3
>> connectivity, if you direct the attack at the VLAN1 interface it is
>> definitely susceptible. 

> I believe directing the attack to VLAN1 should just kill the remote 
> management and won't effect switching capability. Can anyone confirm?

Ah, you are right.  I just tested it, and the switching through the
catalyst continues without interruption.  Only the management interface
is unavailable.

--steve