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[[wikipedia:iperf]] perform [[network throughput]] tests.
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{{Draft}}
* Man page: https://www.mankier.com/1/iperf
 
* <code>[[iperf --help]]</code>
 
* Installation: <code>[[sudo apt-get install iperf]]</code>
 
  
== Options ==
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perform network throughput tests. https://linux.die.net/man/1/iperf
* <code>[[--dualtest]] or -d</code>
 
* <code>[[--enhanced]]</code>
 
* <code>[[--tradeoff]] or -r</code>
 
* <code>--window n[kmKW]</code>
 
* <code>[[--enhancedreports]]</code>
 
* <code>[[--reverse]], -R</code>
 
* <code>[[iperf --help|--help]]</code>
 
  
== Examples ==
 
* <code>[[iperf -s]]</code>
 
*  <code>iperf -c 10.10.10.2</code>
 
*  <code>iperf -c 10.10.10.2 -i 1</code>
 
  
Run for 60 seconds (<code>-t 60</code>) and report every second (<code>-i 1</code>)
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* <code>iperf -c 10.10.10.2 -t 60 -i 1</code>
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  sudo apt-get install iperf
* <code>iperf -c 10.10.10.2 [[--tradeoff]]</code>
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  iperf -s
* <code>iperf --enhanced -c 10.10.10.2</code>
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  perf -c <address of other computer>
iperf3 -c 10.0.0.105 -w 2000
 
  
 
  iperf -c 10.10.10.2
 
  iperf -c 10.10.10.2
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  [  4]  0.0-10.0 sec  3.09 GBytes  2.65 Gbits/sec
 
  [  4]  0.0-10.0 sec  3.09 GBytes  2.65 Gbits/sec
  
  iperf -c 10.10.10.2 --tradeoff
 
 
=== --enhanced, -e ===
 
iperf --enhanced -c 10.10.10.1 or  iperf -e -c 10.10.10.1
 
------------------------------------------------------------
 
Client connecting to 10.10.10.1, TCP port 5001 with pid 2051443
 
Write buffer size:  128 KByte
 
TCP window size:  136 KByte (default)
 
------------------------------------------------------------
 
[  3] local 10.10.10.5 port 33910 connected with 10.10.10.1 port 5001 '''(ct=3.18 ms)'''
 
[ ID] Interval            Transfer    Bandwidth      '''Write/Err  Rtry    Cwnd/[[RTT]]        [[NetPwr]]'''
 
[  3] 0.0000-10.0110 sec  88.0 MBytes  73.7 Mbits/sec  704/0          1      -1K/1322 us  6972.29
 
  
== Related terms ==
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== Related commands ==
 
* <code>[[nc]]</code>
 
* <code>[[nc]]</code>
* <code>[[tc]]</code>
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* <code>[[ping]]</code>
* <code>[[ping]]</code>, <code>[[nping --tcp]]</code>
 
* <code>[[pv]] <[[/dev/zero]] | ssh REMOTE_SERVER 'cat >[[/dev/null]]'</code>
 
* <code>iperf2</code>, <code>[[iperf3]]</code>
 
* <code>[[netperf]]</code>
 
* [[Check TCP connectivity]]
 
  
 
== See also ==
 
== See also ==
* {{iperf}}
 
* {{TCP}}
 
* {{net perf}}
 
* {{network monitoring}}
 
 
* {{perf}}
 
* {{perf}}
  
  
 
[[Category:Networking]]
 
[[Category:Networking]]

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