iperf 3.21

Tool to measure IP bandwidth using UDP or TCP

Linux and macOS last changed 2026-09-13 outputs: man, out, dev, lib

Pin this version

$ devbox add iperf@3.21

systemsaarch64-darwin, aarch64-linux, x86_64-linux commit02f5696b0e6097e589076d886b317b83ff0437d7

$ nix shell github:NixOS/nixpkgs/02f5696b0e6097e589076d886b317b83ff0437d7#iperf

systemsx86_64-darwin commit19a8a1e6d8b7315b6fd84e5a51977ce6f69d5a5b

$ nix shell github:NixOS/nixpkgs/19a8a1e6d8b7315b6fd84e5a51977ce6f69d5a5b#iperf

System	Attribute	Commit	Date	Outputs
`aarch64-darwin` macOS · arm64	`iperf`	02f5696b0e60	2026-09-13	`out` /nix/store/a91jgcz9c50gq7p886nvhfd7b68sfgq6-iperf-3.21 `man` /nix/store/ipj66zaf13ac4xfyf9sn3lpik1dl2b60-iperf-3.21-man `dev` (not default) /nix/store/c7h8b9wck4d79bgvlz9ggnrhrj8cy2qc-iperf-3.21-dev `lib` (not default) /nix/store/dsbwr9vxx9h4l2gahd427ckl1pgnwm2c-iperf-3.21-lib
`aarch64-linux` Linux · arm64	`iperf`	02f5696b0e60	2026-09-13	`out` /nix/store/a4bqkcqrnmcgjqisrbpxx3cx82wq2lgv-iperf-3.21 `man` /nix/store/4q78rf1iw555anjbsyyrm432hklc5wdh-iperf-3.21-man `dev` (not default) /nix/store/cnw0cb7fllhah1pmhcpg0zsndfmh2i3b-iperf-3.21-dev `lib` (not default) /nix/store/jzmrki57nv1xbqii1rkr0ck4j8hbsi4h-iperf-3.21-lib
`x86_64-darwin` macOS · x86-64	`iperf`	19a8a1e6d8b7	2026-07-04	`out` /nix/store/055w45ac9pwm1b8kg75i923a9z74jd0i-iperf-3.21 `man` /nix/store/nx9vp987rj74p11igp40v9mm0n7sz20h-iperf-3.21-man `dev` (not default) /nix/store/v37bymldbz6svcl4kj1l2l2ij8mfk0h2-iperf-3.21-dev `lib` (not default) /nix/store/g84s4rzkl7scwryh88p78vyc484k1lpr-iperf-3.21-lib
`x86_64-linux` Linux · x86-64	`iperf`	02f5696b0e60	2026-09-13	`out` /nix/store/5a34gxma82ihdl8ic1r34lgh75snjz5g-iperf-3.21 `man` /nix/store/4lgcr3pzw5yjazwa571qf19n9hh1y4h7-iperf-3.21-man `dev` (not default) /nix/store/ih0krnx7764nmavmzxnfwgm495x68swl-iperf-3.21-dev `lib` (not default) /nix/store/ydmm27fllh0s43cdnh83dd30zw6y07qj-iperf-3.21-lib