Traffic Monitor

[Arie Kachler]

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
>