Re: Traffic Monitor

From: Eric Anderson (anderson_at_centtech.com)
Date: 07/19/04

  • Next message: Spidey Knepscheld: "Spyware & AD Ware" 
    Date: Mon, 19 Jul 2004 10:01:31 -0500
To: spidey@act.co.za

    Spidey Knepscheld wrote:

    >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.
    >
    >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 Cisco Catalyst and then to the network.On the catalyst I
    >mirrored the data coming from the network to the Firewall to one port
    >and I have a FreeBSD box on that port just to monitor the traffic.
    >
    >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.I know there are a
    >million apps available but I need to see from IP ???? to IP ???? ????
    >kb/s and then see how much of the 256k is still available. 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.
    >
    >

    Check out ports/net/trafshow or ports/net-mgmt/iftop

    I think one of those might be what you want..

    Eric 

    -- 
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Eric Anderson     Sr. Systems Administrator    Centaur Technology
Talk sense to a fool and he calls you foolish.
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