I'm concerned the issue is linked to the numerous "DSL Training" entries in the logs. The router is somehow detecting that my DSL connection is still in BT's 14 day training period, when it is not....

Still happening. Seems more frequent at times I'm *not* using the internet - it only happened once during the day when I was remotely working, but happened three times this evening and three times...

@DelESC how old is yours?

Oh, and this seems similar to this issue here: https://community.tp-link.com/en/home/forum/topic/100196

I got a new Archer VR2100 (the model field doesn't have that listed so had to choose something similar) a couple of days ago and every few hours it seems to reboot. It certainly disconnects from both...