iperf3

Network bandwidth test tool.

Last updated: 2026-05-10 Report error

Syntax

$iperf3 [OPTIONS]

Examples

$iperf3 -s

Examples

$iperf3 -c server

Examples

$iperf3 -c server -P 4

Typical use cases

Server

iperf3 -s

Client

iperf3 -c server

Note Measures network bandwidth between client and server.

Export