Re: Traffic Monitor

From: Etienne Ledoux (etienne_at_unix.za.org)
Date: 04/22/04

  • Next message: Stanley Hopcroft: "Re: Traffic Monitor"
    To: freebsd-isp@freebsd.org
    Date: Thu, 22 Apr 2004 19:27:23 +0200
    
    

    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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  • Next message: Stanley Hopcroft: "Re: Traffic Monitor"

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