|Are you saving after changing the setting? If not, do so. |
If you are, then it's possible the router is having issues. In that case the first thing to do is to check for a more up-to-date version of the router's firmware (check on the OEM's website) and if there is a newer version, apply it to your router.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.