Normal Mode: It takes longer boot up time, about 200 seconds, with
complete firmware image check during the device booting.
Fast Mode: It takes shorter boot up time, about 120 seconds, without
checking the firmware image during the device booting.
Quick Mode: It takes shorter boot up time, about 90 seconds, without
checking the firmware image and create the internal database for
User/Group/Captive Portal functions.
Note: Use Quick Mode with care, once selected, the User/Group/Captive
Portal function will become non-functional.