Different cables have made no difference. They're not cheap cables - made for enterprise. My setup is: INTERNET > Main M4 Deco > Switch > (cat-6 cable ~25m) > Switch > Deco M4 The main deco unit...

@ImtiazAli Yep, still there. Dropped again overnight. Are there any logs I can copy to here to see what's going on?

I'm sure the Office Deco used to know it had a wired connection. I used to have this route: Internet > Deco > Switch > (wired) > Deco > Switch > Office PC. Then I realised if the Decos went down, I...

@ARGamingPK1 I don't think that's going to do anything. It's the second time you've suggested there is an issue with power. What's your reasoning?

Hello No, the main unit has always been the main unit. No, the Deco is plugged into the wall.

Still drops out once a week or so. I will ask Support if there is a log I can send them where they can explain what happens. The box on the wall shows all incoming internet is fine, I restart the...