Enables periodic backup of a captive portal guest
registration user database. This command also allows you to configure the time at
which the system starts backing up the database. The default backup-start time is
‘00:00‘ (midnight every day).
<TIME> – Optional. Resets the periodic database backup-start time to a
user-defined value in the HH;MM format. When specified, the system starts
periodic backup of the database, every day, at the specified time.