From within the GUI, this can be done by first selecting General on the left-hand side of the GUI in the menu selection.
From there, you will see on the right-hand side, a portion of the GUI where you can backup or restore the configuration. As a note, for backup, ensure you have pop up blocking software off as a new tab will open asking where you want to save the configuration. For the restore option, you will be prompted to locate the configuration to restore. Once that is uploaded the unit will reboot and upon initialization, the GUI will now contain the settings of the configuration.