I have a public IPv6 address, but non-public IPv4, therefore I wanted to access home services from outside via IPv6. I configured the WireGuard VPN server. If I connect from the home network, the VPN...

@woozle Hi, yes, it's a M.2 SSD connected via the USB converting cable. I will try with a USB stick.

I use both 2.4 and 5 GHz wifi. All works well, until I connect a USB disk to the router. Then all devices which were connected to 2.4 GHz loose the signal! Those, which support 5 GHz, reconnect to...