looking for some advice to monitor network usage in office

Ruben Laban r.laban at ism.nl
Wed Mar 25 08:12:54 UTC 2009

On Wednesday 25 March 2009 at 09:03 (CET), Rudi Ahlers wrote:
> I've been asked by a college to setup a monitor to monitor a Windows
> network, but on internet usage. They want to have detailed usage, i.e.
> on a per IP / PC basis, and if possible to get stats for every
> protocol, and see over a period of time what goes on.
> My first though wat ntop, which does all of this, but it doesn't save
> the data in a DB, so if the server reboots the stats are reset to 0. I
> also can't get Cacti to give me stats per IP & per protocol (unless
> someone knows how todo this).
> I don't yet know the full network layout, but I have a feeling they're
> using ADSL, and have a Windows Small Business server with ISA, and
> possible Exchange as well. So, I'm either going to put a Linux box
> between the Windows box & ADSL router, or maybe even setup a Linux
> Vmware Virtual PC, force all the network to route via the VPS.
> Does anyone have some suggestions / experience in setting up something
> like this?
> P.S. Please don't look at the fact that there's Windows on the
> network. I use Linux for business purposes, not as a hobby, and we
> also use Mac & Windows where the situation calls for it.

Look into pmacct [1]. It can collect rather detailed information and can store 
it in various formats, including mysql/postgresql database.

[1] http://www.pmacct.net/


Ruben Laban
Systems and Network Administrator
ISM eCompany

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