Internet Bandwidth utilisation

I want to monitor the internet bandiwidth utilisation by individual PC accessing internet thr Proxy.
Also want to monitor Cisco router and bridge.
Need some tool
m_praveenAsked:
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lrmooreConnect With a Mentor Commented:
I don't know of any tool that can do that. You're proxy should have some monitoring, logging capability, but the problem is that the proxy uses its own IP address as the source address. Everything between your proxy and the internet has the same source IP. You need something on the user side. A sniffer would give you a breakdown of protocols, top talkers, percentage of useage of the LAN by PC:
http://www.ethereal.com

If you want percentage of utilization of the Internet bandwidth by user, you have to monitor at the egress point which is the serial interface of the router. All the router sees is traffic to/from the proxy.
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lrmooreCommented:
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m_praveenAuthor Commented:
monitoring is possible with mrtg on Cisco devices.
But I want to monitor the internet bandwidth utilised by individual PC which are usually behind proxy.
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m_praveen:
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