# iperf -c 172.16.254.2 -i1 -t 10 -m
------------------------------------------------------------
Client connecting to 172.16.254.2, TCP port 5001
TCP window size:  325 KByte (default)
------------------------------------------------------------
[  3] local 172.16.254.3 port 51724 connected with 172.16.254.2 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 1.0 sec   974 MBytes  8.17 Gbits/sec
[  3]  1.0- 2.0 sec  1.15 GBytes  9.90 Gbits/sec
[  3]  2.0- 3.0 sec  1.15 GBytes  9.88 Gbits/sec
[  3]  3.0- 4.0 sec  1.15 GBytes  9.90 Gbits/sec
[  3]  4.0- 5.0 sec  1.15 GBytes  9.89 Gbits/sec
[  3]  5.0- 6.0 sec  1.15 GBytes  9.91 Gbits/sec
[  3]  6.0- 7.0 sec  1.15 GBytes  9.88 Gbits/sec
[  3]  7.0- 8.0 sec  1.15 GBytes  9.91 Gbits/sec
[  3]  8.0- 9.0 sec  1.15 GBytes  9.88 Gbits/sec
[  3]  9.0-10.0 sec  1.15 GBytes  9.90 Gbits/sec
[  3]  0.0-10.0 sec  11.3 GBytes  9.72 Gbits/sec
[  3] MSS size 8948 bytes (MTU 8988 bytes, unknown interface)