Navigation is very slow, and 4K playback frequently buffering

[fzinken]

@degeneration

Concerned that it may be throughput speeds over the powerline, I used the arnubox speedtest add on to test my internet download and upload speeds.

Use iperf3 to test your LAN speed

[How To] Check Network Performance with iperf3

Sometimes it is important to check the network performance between your OSMC Device and the device providing your media (NAS, Server, PC). Especially when you are connected via wireless the throughput variations can harm you viewing experience. This short How To should give you the required information how to install iperf3 and how to run the respective tests. When doing these tests it is suggested to have a simple setup (single switch between Sender and Receiver and avoid other traffic on the …