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Thread: Check bandwidth usage?

  1. #1
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    Cool Check bandwidth usage?

    How do I check who / what is using all my upload bandwidth (and consequently my download bandwidth, due to the asymmetry of my connection)?

    Thanks
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  2. #2
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    Re: Check bandwidth usage?

    There was a similar thread a few days ago: http://ubuntuforums.org/showthread.php?t=1719894 You might extract some ideas from that thread. Summary: Try tcpdump or wireshark to monitor the traffic to determine what is going on. I have used tcpdump for many many years, but I am relativley new to wireshark. Before writting this reply, I tried a feature in wireshark under "statistics" - "IP Addresses" that creates a list of IP addresses their number/percentage of packets.

  3. #3

    Re: Check bandwidth usage?

    If you have a router that can use tomato firmware (or others) you can view bandwidth by network adapter, either in real time or total bandwidth. Not sure if it's the answer you're looking for

  4. #4
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    Re: Check bandwidth usage?

    Hi!

    Try:

    system..admin...system monitor...resources.

    KegHead

  5. #5
    Join Date
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    Re: Check bandwidth usage?

    Hi, thanks for all the replies

    I used netstat -av, which gave me some idea of what processes / ports were using bandwidth. Didn't try tcpdump/wireshark though, as the problem seems to have cleared itself up now (if it happens again I'll take all your advice though - cheers )
    Server: 2.2GHz Athlon 64; 4GB; 2TB; Debian 5 x64
    LividEmperor: 3.3GHz i5 2500K; 8GB; 660GB; Ubuntu 10.10 x64 + Windows 7 x64
    Netbook1: 1.6GHz Atom; 2GB; 160GB; Ubuntu 10.10 x86
    Dogeatdog: 3GHz Phenom II; 3GB; 1TB; Windows 7 x64

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