[umbs]

How did you measure 4 to 6% packet loss? Do you have scripts to ping some server and you are collecting packet loss data? I would like to collect such data for my home network and am curious.

[wtallis]

Smokeping is one of the better-known tools for tracking latency and loss over time: https://oss.oetiker.ch/smokeping/

[lostmsu]

Simple ping command actually prints statistics