Firmware Updates - Cipafilter Documentation

Manual - Firmware Updates

Device firmware can be updated from this page.

Cipafilter uses an "A/B" system to allow firmware updates to be installed in the background without disrupting operation of the filter. The new firmware can then be activated when convenient. It is also possible, in some cases, to revert to the previously installed version of firmware. The currently active firmware is referred to as "A", while the alternate/inactive firmware (which may be either a previous version or a pending upgrade) is referred to as "B".

The page shows the current (A) firmware, the alternate (B) firmware, and the latest firmware available for download.

Pressing Activate and Reboot swaps the A and B firmware and immediately restarts the filter. The filter will then boot into the newly activated (formerly B) firmware. Activating a B firmware version which is lower than the A firmware version is considered a "downgrade". Downgrading is generally not recommended, as changes to database schemas and configuration files introduced in newer versions of firmware are not always compatible with older versions. Please contact support for details.

Pressing Install as Alternate downloads the latest available firmware version (indicated in the box above) and installs it as the alternate (B) firmware. The existing B firmware is immediately overwritten. The filter will continue to run uninterrupted on the current (A) firmware until the B firmware is activated. The new firmware will be activated automatically upon successful installation if Activate and reboot when finished is checked before pressing the button; otherwise, the new firmware can be activated manually using Activate and Reboot as described above.

Automatic Updates

The Cipafilter can be configured to automatically install firmware updates by selecting the appropriate "Enabled" option under Automatic Update.  It is recommended for most installations to use Enabled — Latest Stable Firmware.

Each time an automatic update is installed, an e-mail notification will be sent to the Notification Address.

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