Zolxys said:

On which device?
On the router

1) What are the model numbers of your 2 routers?
Router L1-RW332

2) If one of those routers is not a modem, what is the model number of your modem?
The modem has no numbering, I looked everywhere in the modem, only says "Nexu Networks" in the front, and "EPON ONU" below, I'll post some image of him bellow.

3) How many devices do you have connected to each router?
1 modem and 1 router, the extender has no cable attached to it.

4) Are the routers at the same physical location?
Except the WiFi extender, the modem and the router is close to each other.

5) Where is your WiFi extender in this setup and what are you using it for?
My brother asked to put one to see if the signal improves in his room, the extender is on his bedroom door.

6) What subnets are you using on the two routers?
This number? 255.255.255.255, if yes I'm not sure if it is in both, CMD shows 255.255.255.0.

7) Do you have any computers, printers, or other devices that use static IPs? If so, why are they static and what are their IPs?
Only on this computer, is static to not change automatically by the router and the DMZ not work, also for port forwarding, the IP is 192.168.0.222 or the public IP?

8) What is the model number of the third router which you don't use?
DI-524

The photo of the router
The modem
  • A photo of the cables connected to the router
Edit: The WiFi extender model is L1-RW312n