single vlan'd does not mean everyone sees everything. you may see
broadcast traffic "pulsing" across all ports in that VLAN, but not unicast
port to port traffic. if this was the case, your switch is a hub.
--truman
On Fri, 22 Jun 2001, Gary Warner wrote:
> We actually have noticed that the MAJORITY of 3COM "switches" that we have
> inspected are using a default VLAN for all ports, and behave as if they are hubs.
> We were standing in a network closet almost a year ago, and had decided NOT to try
> to eavesdrop with a sniffer, since we knew we were in a switched environment.
> Then we noticed that all the "busy lights" were pulsing in unison. We watched for
> a while, and while two of us were arguing about why that would be happening on a
> switched network, the third was plugging in his sniffer. We were having a great
> philosophical debate when we were interrupted by the facts. These "Switches" were
> single VLANed and everyone saw everything.
>
> _-_
> gar
>
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