Network

iperf

Measure network throughput.

networkconnectivityadmin

Additional Notes

iperf is a network command used to measure network throughput. It benchmarks network performance between two hosts running in client-server mode.

Two major versions exist: iperf (version 2) and iperf3 (version 3), which are not compatible with each other. iperf3 is the actively maintained version.

Syntax

iperf [options]

Parameters

  • options: Flags that change how iperf behaves.
  • server: Hostname or IP address of the iperf server.

Common Options

  • --help: Show command help when supported.
  • --version: Show version information when supported.

Examples

iperf --help
man iperf

Practical Notes

Options can vary by distribution and package version. Use man iperf, iperf --help, or the package documentation for exact syntax.