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How to see bandwidth used by 1-to-1 NAT mappings on PIX 515

Posted on 2006-03-20
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Hello, I have searched everywhere to find out if/how to find out what PIX mappings are using what bandwidth.  In otherwords, my PIX is telling me that there is 20Mb worth of outbound traffic on the outside interface, I want to know what machine is creating that traffic, as it is not normal.  Its defnitely coming from inside my PIX so I"m sure there has got to be some granularity in the PIX to tell me that this static or dynamic (Global pool) mapping is using this amount of bandwidth.  Any thoughts, direction?
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Question by:kbws1
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lrmoore earned 1600 total points
ID: 16240520
The PIX by itself has no capability to break down which internal client is using what % bandwidth.
The best tool I've seen is NTOP
http://www.ntop.org
There is a win32 port if you're not into Linux (hint: you also need ActivePerl)
http://www.openxtra.co.uk/products/ntop-xtra.php

Put NTOP on a workstation, connect that workstation to a SPAN/Mirror port on the switch and wait a couple of hours and you'll know exactly who is the culprit.
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