Identity

Property	Value
Binary	`iperf3`
Config	`No persistent config — invoked directly`
Logs	`No persistent logs — output to terminal`
Type	CLI tool
Install	`apt install iperf3` / `dnf install iperf3`

Key Operations

Task	Command
Start server (listens on port 5201)	`iperf3 -s`
Run TCP throughput test (client side)	`iperf3 -c <server-ip>`
Run UDP test with bandwidth limit	`iperf3 -c <server-ip> -u -b 100M`
Set test duration (default 10s)	`iperf3 -c <server-ip> -t 30`
Parallel streams (saturate high-BW links)	`iperf3 -c <server-ip> -P 8`

Related skills