Chapter 4: Troubleshooting
Firmware Recovery and Configuration Reset
If a Gateway Series appliance is behaving unexpectedly or the password is forgotten, a firmware recovery may need to be performed. The USB Recovery port can be used to perform a firmware recovery using a recovery image. The recovery image reformats the Gateway Series’ root filesystem and reloads the appropriate software on it. It will also overwrite the configuration database, returning the Gateway Series appliance to its default configuration.
Note: It is highly recommended to use an image that is equal or greater in version than the firmware that is currently installed on the Gateway Series appliance.
Every Gateway Series firmware release will include a recovery image. The recovery image is located inside of a compressed zip file which can be downloaded from http://downloads.digium.com/pub/telephony/gateway/recovery/. After downloading the recovery image, the contents of the compressed zip file must be extracted and copied to the root (i.e. parent) directory of an empty USB flash drive.
Note: A USB flash drive is not provided with a Gateway Series appliance. It must be purchased separately. The USB flash drive should be at least 2GB in size and formatted with the FAT32 filesystem.
Note: Some decompression utilities will create a new directory in which to place extracted files. If your decompression utility functions in that way, be certain to copy the contents from that new directory to the root (i.e. parent) directory of an empty USB flash drive. Any new directory created by a decompression utility should not be copied.
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