Re: Traffic Monitor

From: Cody (cody_at_wilkshire.net)
Date: 07/19/04

  • Next message: Eric Anderson: "Re: Traffic Monitor" 
    Date: Mon, 19 Jul 2004 10:58:19 -0400
To: freebsd-isp@freebsd.org

    ports/net-mgmt/iftop sounds like what you need. You might have to
    switch your network card in to permiscious mode for it to show all of
    the traffic. That can be done with:

    ifconfig interface promisc

    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.
    >
    >I hope this makes sense to someone
    >
    >thank you
    >
    >Spidey
    >
    >
    >
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    >
    >

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  • Next message: Eric Anderson: "Re: Traffic Monitor"

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