Change IP Adress In Firmware

AnnieBody

Occasional Visitor
I am currently using Merlin 384.19 with my Asus RT-AX58U.
I have to change the default router address from 192.168.50.1 to 192.168.1.1 to match my existing setup (all my previous routers have used this address).
I want to amend the firmware to change the default address to save me from having to keep changing it after a factory reset. Is this possible?
 

dfunked

Regular Contributor
Doubtful, it's one of the things you'll just have to change after every factory reset. I just exported the nvram settings that I want to keep including this and apply these whenever I do a factory reset, or there's a script to do the backup and restore of nvram for you
 

HellDiver

Occasional Visitor
Why are you factory resetting so much that you want to go to the bother of hacking firmware to change the default IP?!? Your request makes zero sense.
 

Ronald Schwerer

Very Senior Member
On a factory reset, the firmware copies a bunch of stuff from the bootloader' parameters. Among them are the MACs and the default IP. On older routers, you could easily hack this stuff. On newer routers, the bootloader is locked and apparently encrypted. So it isn't feasible to change. Maybe even illegal considering the other things in there related to RF frequencies and power. And definitely not worth the effort.
 

RMerlin

Asuswrt-Merlin dev
I am currently using Merlin 384.19 with my Asus RT-AX58U.
I have to change the default router address from 192.168.50.1 to 192.168.1.1 to match my existing setup (all my previous routers have used this address).
I want to amend the firmware to change the default address to save me from having to keep changing it after a factory reset. Is this possible?
You will have to compile your own firmware. Either disable the LAN50 build time setting, or modify shared/defaults.c.
 

AnnieBody

Occasional Visitor
Thanks all, but I have discovered the Merlin 384.19 doesn't work with the Asus RT-AX58U, so have had to go back to Asus firmware.
 

unsynaps

Senior Member
Could be worse. My RT-AC86U started out with 192.168.1.1 as the default then in some firmware it changed to 192.168.50.1.

Got sick of rejuggering it every reload so i just redid all my IP's to 192.168.50.X. Considering I DHCP reserve all my IP's that was not TO bad.
 

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