RE: Caching a sniffer

[Fernando Gont <fernando () gont com ar>]

At 08:58 24/03/2004 -0800, David Gillett wrote:

>   I presume that some switches, faced with something like macoff, will
> overflow the table such that legitimate addresses that should have been
> learned start flooding to all ports as well.
>   But this is not the only possible reaction of a switched network to
> macoff!  If Cisco's port security is enabled, the switch may just shut
> down the port running macoff.

How does it detect this? By realizing that frames from a given port come 
from several different MAC source addresses?


--
Fernando Gont
e-mail: fernando () gont com ar || fgont () acm org



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