Traffic Monitor

[Etienne Ledoux]

ntop might not be a bad idea either.

check out : http://www.ntop.org/

It's helped many of our clients in the past with similar problems and the cute 
graphs also makes the bosses happy.

e.

On Thursday 22 April 2004 16:43, Arie Kachler wrote:
> Hi Spidey,
>
> If you want to go low-cost (free), try http://ipband.sourceforge.net. It
> won't let you limit connections that are hogging your bandwidth, but at
> least you know who the hogs are.
> If you want full bells and whistles,
> http://www.packeteer.com/prod-sol/products/packetshaper.cfm. This one
> will let you do anything you want. Exprensive but worth it.
>
> Hope the info helps.
>
> Arie Kachler
>
> >Hi
> >
> >I am an ISP running FreeBSD as a firewall and as a Mail Server. My problem
> >is that I am not able to monitor the amount of traffic that user are using
> >on my network. in south Africa bandwidth is extremely expensive and I need
> >to take my bandwidth to the edge.
> >
> >My network looks like this: My Link comes in on a Cisco 805 from the
> > router it goes to the first NIC on the Firewall from the second NIC it
> > runs into a 10base HUB where there are only 3 ports used one as I said
> > for the Firewall the other for a FreeBSD box (I want to use this box for
> > traffic monitoring) and then one port for the rest of the network which
> > connects to a 100base switch. The reason I used the 10base HUB is because
> > it broadcasts all the data to all the ports. So for all data to and from
> > the firewall will be caught by the Monitoring BSD box. I hope this makes
> > sense.
> >
> >What I am looking for is some app that could show me live what ip on my
> >network is utilizing what part of the bandwidth. Don't laugh !!I have a
> > 256k Diginet connection and I would like to see who is killing my
> > network. I do get live graphs from my upstream supplier but it shows the
> > line utilization from my router and not who is using what.
> >
> >So I can't be proactive in solving speed issues I need to wait for it to
> >happen and then by a process of elimination disconnect segments of the
> >network and see when the graph drops. I tried TCPDUMP but it is difficult
> > to understand (perhaps I am just stupid) but it's a time consuming
> > process and to late to fix the problem.
> >
> >I hope this makes sense to someone
> >
> >thank you
> >
> >Spidey
>
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