iperf3 Command Examples

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

• Run iperf3 as a server:

iperf3 {{[-s|--server]}}

• Run an iperf3 server on a specific port:

iperf3 {{[-s|--server]}} {{[-p|--port]}} {{port}}

• Start bandwidth test:

iperf3 {{[-c|--client]}} {{server}}

• Run iperf3 in multiple parallel streams:

iperf3 {{[-c|--client]}} {{server}} {{[-P|--parallel]}} {{streams}}

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

iperf3 {{[-c|--client]}} {{server}} {{[-R|--reverse]}}