@Sunshine I have 2 Synology NAS. Both run over the LAN switch. NAS 1 is my Time Machine backup NAS 2 is my storage Apart from these, I have a PC that is connected to the switch too since I don't have...

I just purchased my new router AXE75, and the range extender, both are linked via Onemesh. However, none of my wired devices are recognised on my switch wich is connected to the range extender. Help