Command-line tool

iperf

brew/iperf

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Tool to measure maximum TCP and UDP bandwidth

Website

At a glance

Type

Command-line tool

Install on

macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

macOS

brew install iperf

Linux

brew install iperf

Run on server

iperf -s

Run on server using UDP mode and set server port to listen on 5001

iperf -u -s -p 5001

Run on client

iperf -c server_address

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