@David-TP No i dont have any switch between the main deco and the remaining 4. After a restart of the network, it happens within 60 minutes. The unstable speed happens everywhere, it does not matter...

Hi all, So i have a weired situation. My current setup is: ISP modem is configured in Bridge mode. I have a total of 5 deco x50's. Main deco is cable connected to my ISP model with Gigabit cable. The...