While I am new to OpenWrt, I managed to setup and run OpenWrt on NanoPi R5C for my home.
I have a home assistant server with IP of 192.168.1.254 connected to R5C via LAN.
When I am outside (not on WIFI), I can access my home assistant server via android home assistant app using the URL xxxyyy.ddns.net
However, when I am home with my phone on WIFI (let say my phone has private IP of 192.168.0.100), I cannot access my home assistant server using the URL xxxyyy.ddns.net
I must to use 192.168.1.254 to access my home assistant server.
Before I started using OpenWrt, I used Asus router RT-AC68U (flashed with Merlin firmware).
With RT-AC68U, I could access my home assistant server using the URL xxxyyy.ddns.net even when I was on WIFI at home.
I'd like to know if I can setup OpenWrt in a way that I can access my home assistant server with a URL no matter where I am.
I tried searching the forum but I was not able to find any solution because I sadly do not know what this function is called.
Any help would be appreciated.