What is Iperf?

Iperf is a simple command line tool to measure network performance. It can measure both TCP and UDP bandwidth performance. Iperf is a tool to measure maximum TCP bandwidth, allowing the tuning of various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, datagram loss.

If you want to measure your PREGINET network connectivity bandwidth performance, just follow these simple steps. Make sure you do this on a machine with a routable ip address, typically on your web or proxy server:

Instructions for Windows

  1. Download iperf binary from here

  2. Extract the zipped file using winzip or winrar anywhere you prefer.

  3. After extracting the zipped file, on the command line change into the directory of the extracted binary and type: iperf -c 202.90.158.104

Instructions for Non-Windows

  1. Download iperf source code from here.

  2. Extract the source tarball anywhere you prefer.

    (tar -zxf iperf-1.7.0-source.tar.gz)

  3. After extracting the source tarball, on the command line change into the directory of the extracted source tarball do a "./configure && make install"

  4. A prompt will ask you where you want to install iperf. It defaults to "/usr/local/bin".. just press enter to accept.

  5. Execution is the same as in Windows. Use "iperf -c 202.90.158.104"

Additional Info

Visit their website at http://dast.nlanr.net/Projects/Iperf


Last revised: 06/06/2006

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