Does the Ethernet cable between the 1st mesh device and the second HAVE to be a direct connection or can it go through a switch ? I would have a Deco x20 downstairs obviously plugged into the...

@HarryStottle Dumb question but thats a Mesh system and without seeing is the MER setting in the TP Link app ? Presumably in an ISP/Connection drop down ?

Cant see the VR2800 on any list here... I have just installed the 2800 to replave my Sky Q hub. Its seems to work OK but I have several issues. Whenever I try and change a setting it takes ages to...