Hello.
I want to make a wifi bridge to ethernet with an internet box and a Flint (GL-AX1800). It’s good excepted that the Flint make a double NAT even I desactive the DHCP mode.
So I can’t access to my printers, the disk of the internet box.
The adress of the net of the internet box is 192.168.1.xxxx and the Flint is 192.168.8.xxx
How cas I resolve the problem ?
Thanks.
Are you disabling DHCP server on network / lan / DHCP server? Also, you have to config router IP in 192.168.1.x subnet (also in network/lan) and you can to change your wan port to lan in ethernet section (to use that port for lan connections). Remember that you should check that DHCP server in your internet box should be enabled).
Hi,
If you’d like to avoid creating a double NAT, you can configure the following under Admin Panel → Network → Network Mode:
For more details, please refer to:
https://docs.gl-inet.com/router/en/4/interface_guide/network_mode/
Thanks for your answers. 
I try for the…. 5x these solutions.
Nothing is good. 
The Flint doesn’t react like all responses. I don’t understand.
I only want to extend the wifi network by ethernet connections of the integrated switch. Wifi is only to catch the wifi of the internet box. I don’t use wifi in the new room, only ethernet for the computer and the printers.
So it’s an extender by the wifi but I only use the ethernet.
After that, I threw the Flint by the window… It’s too complicate. I was not good advised.
The flint is a router. A router so NAT. And this is available at 192.168.8.0/24 by default. As easy as possible.
If you don't want to use it as router, will already wrote the possible modes above. But if you have up the router functions, the network won't be 192.168.8.0/24 anymore. Your flint will be available at a before set address or via the DHCP assigned address.
I am not sure how the WAN port will behave, so I suggest to use another port after configure to extender (wireless) or AP (wired) mode. You could switch the WAN port to LAN later and use the full potential. But I think this will be too much at the first step. Easier: just plug the WAN cable from your uplink router (ISP) to one of the other LAN ports.
Thanks.
I’ve tried with one of the 4 others LAN ports. Same.
I’ve to configure to extender, by wireless.
I try to connect with a cable, but after, I need to connect in wifi, it’s to long to connect with a lan cable. Thanks.
The Flint is in return to the shop.
Thanks everybody for the help.
Still so much questions.
But no information about the IP, the network, the client …
If you start the Flint, connect a client, it will get 192.168.8.0/24 network address. If you switch the flint to extender mode and it is connected to the ISO LAN. It should get an own 1902.168.1.0/24 (or similar) address via DHCP. The Flint is just another client to the ISO network.
The client needs a new address in the same network, the assigned 192.168.8.0/24 address won't work anymore… so either send a new DHCP request, reboot the network adapter, wait 4 to 7h (the DHCP lease time) or do something similar.
This would happen with all NAT router, nothing special in GL.iNet devices. Just normal networking.
The informations about the IP are on my first post.
I understand, but I haven’t find such explanations in the documentation.
You think there is all information, but it isn't. You just wrote two networks.
I’ve tried to make sense of it. But it seems I failed.
I switched The Flint to extender mode, and it gave 2 IP adress :
But even I desactiv its DHCP mode, it continued to give its IP adresses. And my computer had 2 IP adresses, one of each network : 192.168.1.9 and 192.168.1.172
But from this computer (connected to the Flint in ethernet, I could’nt access to my NAS, and only to one printer and not the second. But the 2 printers are on the same switch directly connected on the Flint.
There must be something which I didn’t do, but I’ve exacty done all the recommandations. But the menus of configuration in the web application were not the same as the explanations. And some menus were accessible at the begining, and non accessible after the mode repeater activated. There were only 2 mode : router or repeater. The firmware was the last.
I am pretty sure your ISP router has 192.168.1.1.
The ISP router is the gateway. If you give the IP of the gateway (DNS, DHCP, …) of the ISO router to the Flint, of course the network is irritated. It tries to send all traffic to two MAC and get strange answers.
You should have set the Flint in the client role (extender) to 192.168.1.2 to 192.168.1.254, at one address that is not assigned to any other device.
If you set it to 192.168.1.1, and the client got a DHCP address from your ISP router, it still can't reach the ISP router, because in the function as ‘switch’ the flint answers all 192.168.1.1 requests without forward it to the gateway.
The gateway was the ip adress of my principal router (the internet box).
I have an ip adress plan. I gave the following adress : 192.168.1.253 to the Flint. This adress is not used.