I've used Freesco in the past and thought it worked pretty well...
  http://www.freesco.org/ 

> 
> From: Dennis Davis <dennisd@labcreek.net>
> Date: 2003/06/11 Wed PM 11:28:47 EDT
> To: plug-discuss@lists.plug.phoenix.az.us
> Subject: Linux Routing Software
> 
> Anyone know of any other linux packages for routing other than:
> 
> www.mikrotik.com
> www.clarkconnect.com
> 
> I looking for routing package that is both command-line/GUI,  I know 
> some of you will say just go and get a Cisco router (been there,  done 
> that,  ready for a new toy/project).
> I was hoping to implement it to track network usage/restrict bandwith 
> for a  project where I've got equipment co-located (Inflow, same 
> building as Sterling Network, I believe some of you are doing a tour there.)
> 
> 
> 
> Thanks,
> 
> Dennis
> 
> 
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