iperf/iperf3

Simple bandwidth testing

1. Run iperf on a server

iperf3 -s

2. Run iperf on a client system

iperf3 -c $SERVER

Options

Option Description
-s Server mode
-c Client mode
-D run server as daemon
-p n specify port
-u test UDP
-R reverse (server sends, client receives
-w n[KM] specify TCP window size
-F $FILENAME use $FILENAME instead of random data
-t n specify time to transmit for
-n n[KM] specify number of bytes