@melmac & @koh thank you both
So downstairs I would plug a powerline adaptor into a wall socket near to the BT Homehub and then attach it to one of the lan ports on the Homehub using a patch cable.
Upstairs I would plug the 2nd powerline into a socket near my pc and attach this using another patch cable to the Archer AX1800 (presumably via the WAN port?), and then plug the AX1800 into the PC (presumably using a lan port on the AX1800?)?
Is the AX1800 now an "Access Point" in this scenario?
Is this how it should look?
BT Homehub - powerline - [....dodgy home wiring....] - powerline - AX1800 - PC
or
BT Homehub - powerline - [....dodgy home wiring....] - powerline - PC - AX1800
I guess this mean I can ditch my mobo's onboard wifi for my usual PC online stuff since my PC will be attached to the AX1800?
Is this how it works in n00b-speak?:
My BT Homehub sends both the 2.4Ghz & 5GHz wifi signal through the house but I password protect the 5Ghz band on the Homehub so rest of the household can only access the 2.4Ghz band. I also password protect the AX1800 to make sure no one else can access the 5Ghz band from there.
Will my PC use just 2.4Ghz for browsing/gaming etc, leaving the 5Ghz available on the AX1800 soley for Quest 2 Virtual Desktop usage, or should my PC be able to use the 5Ghz band too?
Sorry for all the questions
Plug the 2nd powerline into an ethernet port on the AX1800 not the wan port.
and connect a network cable from the PC to the Ax1800 too. That way you won't be using wireless for Internet on your PC.
ON the Ax1800 setup the 5Ghz network with a password and only use that password on the Quest 2.