Monitor the traffic/bandwidth of local computers ?

Hi everyone,
What is the software/script to monitor the traffic/bandwidth of the local users ?
I'm currently has Xserve as like a DHCP/gateway, and there are about 20 computers connects through Xserve. I'd like to monitor the local computers to see their bandwidth but not sure what script/software need to be installed on Xserve. All my local computers have ip 10.10.x.x.
I installed darkstat but it doesn't show me the specific ip address that taking how much bandwidth (like download/upload speed..).
Thanks

Take a look at Intermapper <http://dartware.com/>, Lithium <http://lithiumcorp.com/> and Zenoss <http://www.zenoss.com/>. They should be able to do what you want. Hope that helps.
- Barrett

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Monitor the traffic/bandwidth of local computers ?

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