4k files (Emby direct play) buffering on Vero 4k+

[fzinken]

@kapkan

router ports capped at 100 Mbps

@kapkan

this is more stable than Wi-Fi mostly

@kapkan

Can I be sure that Wi-Fi/router is the problem?

This very much point in the direction of Wifi issues.
You can always check server/client throughput (best over a longer period with iperf3

[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 …