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When Firmware is upgraded, it needs to restart the DVG which will place the DVG (and Ethernet port) OOS for 30 seconds to a minute.
•A Firmware upgrade will also Reset the DVG ATA to a default configuration. This means that any manual settings for port forwarding, ACR, or Bridge Mode will be erased.
•If the DVG is in Bridge Mode, you will also lose Internet connectivity during this time, and your settings will be reset to defaults as noted above. You will have to restore your settings by logging into the DVG through the applicable WAN or LAN IP address.
If your DVG has not upgraded to the Latest FirmWare Version within a day of the release, you should contact Primus TBB Technical Support.
Note that under certain network conditions, firmware version 0.010M-P will have some issues downloading any newer firmware.
Although you can initiate a manual Firmware upgrade, it is not recommended to do so. You need to provide the correct settings to the DVG; and also understand the implications if there is a power outage or loss of Internet connection during such an upgrade. Further details to be provided shortly.
The FirmWare Upgrade Process
When a new FirmWare Version is to be released, Primus updates a DVG configuration file on their server(s), with the latest FirmWare Version FileName - the name of the file is in the format of MAC_DLINK1120.cfg.
A DVG ATA always polls the Primus server every three hours for a new configuration file. When the DVG ATA gets this file and determines that the FirmWare Version (& Filename) has changed, it makes the necessary changes in its memory and begins to download (via TFTP) the new FirmWare File. [This information and interval can be verified by typing autocfg on the DVG cli - using telnet to your DVG ATA.]
Upon completion of a successful download, it will reboot itself to run the new FirmWare Version.
A reboot will also perform a configuration file request - which is why a Save/Restart will also initiate a FirmWare Version Upgrade.
Manually DISABLING FirmWare Upgrades
You can disable firmware upgrades through the "autocfg" command available through the CLI (Command Line Interface).
Obviously, if you do not monitor the latest available F/W version in these Forums, this may cause your TBB line to sometimes not operate correctly without the latest firmware which you will have to trigger manually.