tldr/pages/common/iperf3.md

iperf3

Traffic generator for testing network bandwidth.

• 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