Nokia G240ge Manual -

: Link the ONT to a home router using an Ethernet cable.

The is an ONT, not a full-featured router. In many setups, your ISP may disable its routing features and put it in bridge mode so that a separate router handles Wi-Fi and DHCP. If you are missing advanced features (like QoS, VPN, or port forwarding), you may need to add your own router behind it. nokia g240ge manual