just for report
osmc@osmc:~$ iperf -R -c 192.168.0.20
Client connecting to 192.168.0.20, TCP port 5001
TCP window size: 85.0 KByte (default)
[ 3] local 192.168.0.54 port 38351 connected with 192.168.0.20 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.1 sec 115 MBytes 96.2 Mbits/sec
Vero4k has a good 100Mbit ethernet (router and cable are gigabit ready) and enought for any standard 4k video
BHH