I used GL-MT3000 with GL-iNET firmware.
It was possible to switch the WAN2.5 port to LAN2.5 port functionality.
When I flashed to openwrt I can't connect to the device using WAN2.5 as an LAN port same like GL-MT6000.
It is a way to "missuse" the WAN2.5 as an LAN2.5 inteface?