Switch to help Monitor Traffic

I'm looking for a 10/100 Switch that will help me monitor IP Packets/Traffic
on our network.

With all of our (dumb) Switches on our network I cannot to Packet traces of
all of the Packets on a given network segment as the Switch will only send
packets destined for the MAC address of the Monitoring PC to its Switched
port.

Seems like Cisco and others make a Switch with an RMON port or something
that will allow you to Mirror all the other ports on the Switch. Can someone
recommend a inexpensive option?

Do they make a small 100 Base-T HUB? I could take the feed to the Main
switch and route it to the 100base-T hub and plug in the Monitoring PC. I do
this now with a 10meg hub and it works, just causes bandwidth issues.

Thanks,
Scott<-


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