iperf3 Command Examples

Traffic generator for testing network bandwidth. More information: https://iperf.fr.

• Run iperf3 as a server:

iperf3 -s

• Run an iperf3 server on a specific port:

iperf3 -s -p {{port}}

• Start bandwidth test:

iperf3 -c {{server}}

• Run iperf3 in multiple parallel streams:

iperf3 -c {{server}} -P {{streams}}

• Reverse direction of the test. Server sends data to the client:

iperf3 -c {{server}} -R