@Oakmario Hi Andre, thanks for getting back with all the detailed info. Is it possible that this unknown devices with the special MAC address is a virtual MAC of one device in the network? I just...

@AsifShaafi Hello, may I know what is the region version of your TP-Link router, please? If it is the EU version, as we always stated that it only supports band 1 for the 5GHz, which is designed to...

@Any1else You may need to login to the router web GUI, then you should be able to see the connected devices either under the DHCP client list or under ARP list (Advanced->Security->IP & MAC Binding).

@Andrew_06 Have you tried the previous suggestions provided by Sunshine? If that doesn't help, it is suggested to reset the router to factory defaults, then reconfigure it from scratch to confirm,...

@medovinka Have you checked if there is any new firmware available for the VR300 on the local official website? You may confirm if you can upgrade the router firmware first:...

@ptoye1 Hi, it seems the VR200 had been discontinued for long, you may check if you can install this printer controller utility on your Windows 10:...