Ethereal is an excellent "Free" sniffer.  If you know how to analyze raw
data this tool should suite you for analyzing the data moving across
your network devices...runs on almost anything...Windows,
Linux/Unix...OSX :) Just remember if you have an unmanaged switch you
won't be able to capture all data, just broadcast and your own traffic.

As for actually physically testing switches, hubs, cables I'm not too
sure.  There are cable testers to verify shorts or miswires.



-----Original Message-----
From: Mike Razavi [mailto:mike at havepc dot com] 
Sent: Thursday, February 24, 2005 11:36 PM
To: m0n0wall at lists dot m0n0 dot ch
Subject: [m0n0wall] a software to check my network???

Anyone know any windows based software which can help me to test my
network to make sure all my hubs, routers, switches, cables and computer
are not causing and network issues?

I really appreciate any thought on this.

Mike


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