Can't connect to TTN over WiFi

Hello, I set up my wAP LR8 Gateway to work with TTN. It works fine, but only over Ethernet connection (connected to my home router). It doesn’t work if I connect it to the same home router over WIFI - LR8 is able to connect with my WIFI router, I can manage it using this connection, using WinBox software and mobile software, but data in not send to TTN server (LR8 is visible as “disconnected” in TTN console). Please let me know if it is possible to use WIFI to connect with TTN? Are there some additional options I have to configure on LR8 to use WIFI?

Regards - Tomasz