root@aml-s812:~# iperf -c 192.168.2.50 -p 4711
------------------------------------------------------------
Client connecting to 192.168.2.50, TCP port 4711
TCP window size: 43.8 KByte (default)
------------------------------------------------------------
[  3] local 192.168.2.20 port 34540 connected with 192.168.2.50 port 4711
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.2 sec  44.6 MBytes  36.7 Mbits/sec
root@aml-s812:~#