Following instructions are provided without any warranty, and may even get you in trouble legally. The instructions are provided for testing, and should be use with care. We (including commentators) are not responsible for any damage to your device(s).
This may enable additional channels and power (in most cases don't) on ASUS Merlin provided routers.
The nvram settings have been tested on a ASUS RT-AX58U, they may work on other models as well (ASUS RT-AC78U).
nvram dump and adjust when needed, as they may differ on your device!
Credits to the commentators below, and members on the SNBForums posting instructions. Please post your findings, and help others when needed. :)
Login into router using SSH
See https://www.htpcguides.com/enable-ssh-asus-routers-without-ssh-keys/ for instructions.
Backup current settings
nvram dump > dump.txt
NOTE: You need to copy the dump.txt (or output by
nvram dumpto somewhere else, as they will be lost on reboot
JFFS custom scripts and configs
Enable JFFS custom scripts and configs, is enabled in System settings. See https://github.com/RMerl/asuswrt-merlin.ng/wiki/User-scripts for details.
/jffs/scripts/wl file, and paste the
nvram overwrites into this file (see given example file).
#!/bin/sh [ -x /jffs/scripts/wl ] && /jffs/scripts/wl & # [ -x /jffs/addons/AdGuardHome.d/AdGuardHome.sh ] && /jffs/addons/AdGuardHome.d/AdGuardHome.sh init-start & # place before addons
#!/bin/sh cru a wl "0 */8 * * * /jffs/scripts/wl"
Make sure the scripts are executable:
chmod a+rx /jffs/scripts/*
You need to reboot the router to apply changes
Please note changing settings in the UI, may undo nvram changes.
It is recommended to change settings using CLI instead:
nvram set wl1_chanspec=149/160 # nvram set wl1_chanspec=149/80 # nvram set wl1_chanspec=48 service restart_wireless
To make the changes persistent, make sure to add them to the