| Issue | Solution | |-------|----------| | | You have CGNAT . Call Euskaltel and ask for a public IP (they may call it “dynamic public IP” or “quit CGNAT”). It’s usually free. | | “Virtual Server” not saving | Disable UPnP first (Advanced → UPnP → Uncheck). Save, then add your rule. Re-enable UPnP if needed. | | Router interface is in Spanish | Look for “Reenvío de puertos” or “Servidor Virtual” under NAT . | | Two WAN connections appear | Use the one with ppp0 or INTERNET in its name. Ignore TR069 (used by Euskaltel for remote management). |

Abre tu navegador y escribe http://192.168.1.1 .

Port forwarding . Your only options:

Antes de abrir puertos, asegúrate de que el dispositivo que los va a usar tenga una IP privada fija. Si el router le asigna una IP diferente por DHCP mañana, la regla de puertos dejará de funcionar.