Hi @kaja69, How did you mange to get 1.4.2? Thanks Dave

@kaja69 Yeah. I suspect TP-Link were telling porkies. Dave

@kaja69 I'm running firmware version 1.4.0 "Build 20200324 Rel. 53529" and I don't see any options for a VLAN. Dave

@jedimasterjonny I'd spotted the obvious type in their DNS, thanks for the tip on PiHole, I've done just that. Hopefully we won't have to wait another 6 months for a firmware update but I'm not...

I think I've found the problem. eu.pool.ntp.org doesn't actually exist. The Deco should be looking at europe.pool.ntp.org Dave

Looking at my DNS logs, each of my 3 Deco M9+ uints is doing a lookup (and I assume, making a connection to) eu.pool.ntp.org every 6 seconds. While this doesn't cause any significant issues on my DNS...