tldr/pages/common/iperf3.md

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# iperf3
> Traffic generator for testing network bandwidth.
- Run iperf3 as a server:
`iperf3 -s`
- Run an iperf3 server on a specific port:
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`iperf3 -s -p {{port}}`
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- Start bandwidth test:
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`iperf3 -c {{server}}`
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- Run iperf3 in multiple parallel streams:
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`iperf3 -c {{server}} -P {{streams}}`
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- Reverse direction of the test. Server sends data to the client:
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`iperf3 -c {{server}} -R`