Traffic Monitor

Eric Anderson anderson at centtech.com
Mon Jul 19 08:01:57 PDT 2004


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


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



More information about the freebsd-isp mailing list