@Alexandre. Thanks for your reply. Originally I was connected to the gigabit connection on the Deco and I did get the "abnormal WAN port error", so switched it the 2.5G connection, but has not made...

I have recently had fibre installed to my property and decided to use the Deco X50-PoE as the main router connected direct to the ONT modem, via the WAN port. I have been getting full 250mb speed for...