Solved this issue finally. Decided to go back upstream and take a look at the cable modem (Spectrum DocSis). Even though it's passed all their remote tests I asked about replacing it due to the...

@SecretWeapon Thanks for the heads up. Other system was a different manufacturer. Checked the Change Network but nothing there other than what we installed. Thanks

I’ve had QoS both on and off and so far it’s made no difference. I’ll try the DNS server change and see what happens. Modem is ahead of the Deco unit but no WiFi support from modem. Thanks

Just installed new system and whilst it mostly works okay I am experiencing random disconnects which I didn't experience with my prior system and am wondering if there's something odd in the basic...