[root@esxi5:/usr/lib/vmware/vsan/bin] ./iperf3 -c
10.123.1.51Connecting to host
10.123.1.51, port 5201
[ 4] local
10.123.1.55 port 20408 connected to
10.123.1.51 port 5201
iperf3: getsockopt - Function not implemented
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 99.0 MBytes 830 Mbits/sec 8634728 0.00 Bytes
iperf3: getsockopt - Function not implemented