On Thu, 26 Jun 2008, Gus Wirth wrote:

I have a group of machines on a switch that are suffering from one or more of them hogging the available bandwidth to the outside. I have configured the switch to set up a monitoring port so I can grab all the traffic going to/from the outside world. What I need now is some way of analyzing the packet stream to figure out who is using the most bandwidth and when. I know all the MAC addresses of the individual machines so I can trace them that way.

I think you are thinking too hard, unless it is intra-network traffic you are concerned about (unlikely as you mention 'outside').

bandwidthd  if you can hop up to the IP layer

http://bandwidthd.sourceforge.net/ has done a nice job here -- trivial to build and configure

-- Russ herrold


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