How to Convert WAN Port to LAN on Router

This guide explains how to convert WAN Port to LAN on Router, with clear steps, practical tips, and important checks before you begin.

Especially for mini router devices like the GL-AR300M-Lite, there's only one Ethernet port that acts as the WAN port by default, so you have to connect to it via Wi-Fi. However, once connected to these devices, you can change the WAN port to LAN to connect to it via an Ethernet cable.

What is a LAN port? What is a WAN port?

In homes and small businesses, the WAN port is an RJ-45 Ethernet port on the router, connected to a cable or DSL modem. On small routers, the WAN port may be simply labeled as "Internet". In larger businesses, the WAN port can connect to T3 lines or other WAN services.

LAN port is an Ethernet RJ-45 socket on a computer or network device such as a switch or router. All clients, servers and network devices on the local network are connected to each other at the LAN port.

How to convert WAN port to LAN on router

1. Leave the WAN port of the router in a disconnected state.

2. Connect the device to the router and access the Admin Panel on the web.

3. Go to the Internet section, then click Use as LAN in the Cable section .

Go to the Internet section, then click Use as LAN in the Cable section

4. Click Yes to confirm.

You can also revert the installation by repeating the steps in the above procedure. This time, the Use as WAN option will be displayed in step 3.

You can revert the settings by clicking the Use as WAN option