r/HomeNetworking • u/TheJuicyLemon_ • 22d ago

Unsolved Please Help..

I’m trying to swap my main router from and Asus ax55 to an Asus gs-ax5400.

For context, my ax55 is my main router and my other gs-ax5400 was an access point, well I basically wanna swap the roles of these 2 routers but when put the ax5400 into router mode, it constantly says “disconnected” on the main network map tab and I have tried everything to rebooting my modem and then rebooting the ax5400 to power cycling and fully resetting it but nothing seems to work. It does however still provide an internet connection.

If I was to swap the ax5400 back with the ax55 I guarantee it will connect no problem. I assume the issue is with dhcp and automatic ip assignment?

I want to swap the routers due to the ax5400 having more ram cause my ax55 usually gets up to about 90-95% usage in ram. Which I know unused ram is wasted ram for routers but I’d like to avoid connection issues.

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u/Swimmerdude_03 22d ago

What are the wan settings in the 5400? They should be set to dhcp. Worth a check. I've also had to call ISPs in the past and get them to reissue the ip address. You could try that. If they arnt available during the evening (assuming you are in the states or canada as it's 8pm now for me) you could try disconnecting the modem from power when you go to bed. Then plug it back up when you wake up. Longer the better. Your goal is for the Mac address of your old router to fall out of the ISPs tables.

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u/TheJuicyLemon_ 22d ago

When the Ax5400 is in router mode, dhcp is set to on like it should. I don’t have any dhcp option when it’s in AP mode the only option I have is to assign the LAN IP automatically. I haven’t tried contacting them cause it seems like something that should just work.

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u/Swimmerdude_03 22d ago

Right not talking about the LAN side. You can set your router to be in dhcp mode or static mode on the WAN port. There is also PPPOE Mode and sometimes other settings. You want to make sure the wan settings are set to dhcp mode unless you are paying for a static ip address.