GL-MT6000 (Flint2) How change LAN2 - LAN5 port to WAN

I use a NAS with a 2.5GbE port and a PC with a 2.5GbE port, so I need to use both 2.5GbE ports on my router as LAN ports. In the standard admin panel, this can be done—you can reassign both 2.5GbE WAN ports to LAN.

However, where would the WAN port come from in this case?

• First option: Use a USB to Ethernet adapter. Connect it to the router’s USB port and simply use the tethering connection as WAN.

• But what if I want to use any 1Gbps LAN port as a WAN port?

After reserching how the firmware works, I found a way to do this by making minor modifications to just two files. I am confident that Gl.iNet can implement this functionality in future firmware updates, allowing the reassignment of a second WAN port to any of the five LAN ports.

Here’s how it looks:

  1. WAN/LAN5 appeared, it can be reassigned to LAN and WAN right there in the admin panel
  2. LAN1 it's 2.5GbE port
  3. Well, finally, the cable connected to the new WAN/LAN5 port is detected and everything works as before.

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