@Cedric1 This feature is only currently available for Deco M4 with firmware V4. If you have M4(V4), this new firmware 1.6.0 will have to be installed manually. More about it here:...

@NickDems Now that you know what log lines are relevant, you can try different scenario on your home network to pinpoint where the issue is. You can disable DNS service on pi-hole and see if this...

@NickDems Well, here they are: Sun Feb 26 19:08:14 2023 daemon info conn-indicator: <31330300> Invoke led: conn[1] Sun Feb 26 19:08:14 2023 daemon info leds: Event: conn.offline Sun Feb 26 19:08:14...

@vDex Thanks, I now have the whole picture. You really do have Deco P9. For some reason, they can't talk to each other on powerline, it appears. They use WiFi to connect to each other. Sadly, you are...

@vDex Thanks. I have better picture now, screenshots are easy to read. I notice you have Main Deco and one of Satellite Deco with the same name "Couloir", I did not know it is possible to give two...

@NickDems I would say, these logs lines you should be concerned with: Sun Feb 26 19:21:55 2023 daemon.err miniupnpd[18139]: Failed to get IP for interface br-wan Sun Feb 26 19:21:55 2023 daemon.warn...