IPerf Network Testing

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Iperf was orginally developed by NLANR/DAST as a modern alternative for measuring maximum TCP and UDP bandwidth performance. Iperf allows the tuning of various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, datagram loss.

http://en.wikipedia.org/wiki/Iperf http://sourceforge.net/projects/iperf/ http://sourceforge.net/projects/iperf/files/jperf/ http://code.google.com/p/xjperf/

Latest Version Notes: iperf - iperf.exe and html docs (iperf version 2.0.5) jperf - java gui for iperf (jperf GUI version 2.0.2 & iperf 1.7.0) kperf_setup.exe - includes (jperf GUI version 1.0 & iperf 2.0.2). Installed progam (includes start menu items) into c:\program files\iperf-2.0.2\

Tests For WANs where compression is used use a non-compressible test file such as a large .jpg.

14 TCP Connections 1 minute 

iperf -c <server ip> -P 14 -i 1 -p 5001 -l 8K -f m -t 60 -L 5001 -F C:\testfile

14 UDP Connections 1 Mbit streams 1 minute 

iperf -c <server ip> -u -P 14 -i 1 -p 5001 -l 1470 -f m -b 1M -t 60 -L 5001 -T 1 -F C:\testfile
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