@David-TP Thank you for your response. The topology diagram you created is correct. In addition, I have tried connecting the indoor Ethernet connection to the Main Deco, a satellite Deco and the...

@David-TP Any ideas please?

@David-TP So I tried the above Connection Preference. All seemed to work well for around 4 hours, then the X50-Outdoor started reporting offline again, taking the connection to the internet with it....

@David-TP Thank you for the link to Connection Preference page. I have not tried this in respect of binding the Outdoor Deco to a specific indoor Deco. I am currently trying this to see if it works...

Several months ago, I fitted an X50-Outdoor Deco to my wifi system (3 x X55 and 3 x M5). Due to the Weak signal (not surprising as my house is highly insulated with foiled plasterboard and cavity...

Turns out my problem was my Ethernet connection between my X50-Outdoor and the indoor Decos. If I unplug it, no issues. As soon as I plug it in (either to the switch or direct to Deco) constant...