phil@penguin:~$ iperf -c 192.168.1.12
------------------------------------------------------------
Client connecting to 192.168.1.12, TCP port 5001
TCP window size: 45.0 KByte (default)
------------------------------------------------------------
[  3] local 100.115.92.205 port 39298 connected with 192.168.1.12 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.1 sec  40.6 MBytes  33.7 Mbits/sec