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In a switched LAN, you can use any tool you'd like. A good one is
tcpdump, which is available for pretty much any platform. GUI front ends
are also available, and may make things a bit easier in the beginning,
as 200 nodes, especially if they're windows boxes, are going to make a
lot of noise.
The problem is, you're in a switched network. Unless your switches
either have a "monitor" port, or allow for port mirroring, you'll only
be able to see traffic to and from one node at a time, plus broadcast
traffic. I assume this is really what you're asking. The only other
option is to plug in a hub between one of the switches and the rest of
the LAN. This will allow you to see all traffic to and from that
segment.
Rob
- -----Original Message-----
From: Jacques Chicourel Nunes Vaz - BA
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2001 12:33 PM
To: '[EMAIL PROTECTED]'
Subject: Packet Sniffing in a Switched LAN
Hi folks,
I have a Lan with 200 desktops and I�d like to sniff it. What tool can I
use
to see all the packets ( going and coming ) ?
Any suggestions ?
Regards,
Jacques
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