Intrusion Detection Systems mailing list archives

RE: RE: IDS taps in a switched network


From: blue0ne () igloo org (Jackie Chan)
Date: Sat, 30 Oct 1999 15:50:19 -0400 (EDT)



Someone wrote:
Um, the spy port is just ONE port. So what happens when I define a VLAN
with, say, 24 ports and redirect all that traffic to one spy port? All those
packets ain't gonna fit through that one little narrow doorway. ;-)

That all depends on the aggregate bandwidth of the switch itself.  Lets
also remember that a 2924 switch has a 3.2 GB backplane.

To echo Rons post, the Shomiti Tap solution is probably the best way to
monitor traffic in a large enterprise.  It is best used in conjunction
with a 2900 switch.

Blue0ne



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