The following procedure backs up all the Branch Gateway configuration and administration files, but does not back up any firmware files.
Back up the Branch Gateway regularly to a USB mass-storage device. This backup can be helpful in restoring the Branch Gateway’s configuration if it becomes faulty, or in restoring the entire Branch Gateway.
Use at least 256 MB, a 128 MB USB mass-storage device can only hold one backup directory with all images and configuration files. You can create multiple backup directories as long as there is space in the USB mass-storage device.