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Barracuda CloudGen WAN

Updates

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Barracuda CloudGen WAN offers firmware updates, security updates, and hotfixes.  You can configure a time window for the updates. Since a restart might be necessary, High Availability is recommended for the site appliances in order to avoid downtime. 

In SETTINGS > VWAN SETTINGS you can specify the update window:

update_window.png

Firmware Updates

Firmware updates provide new firmware versions and are performed weekly during the specified time window, for example, always on the night of Sunday to Monday. 

Hotfix Updates

Hotfix updates are performed daily during the specified time window, for example, every day between 1 a.m. and 3 a.m. Hotfix updates provide security updates and hotfixes. 

Site Appliance Update Behavior

The site appliance automatically detects the time zone by geo-locating and applies the updates during the specified time window in its own local time. For example, if the update window is set from 2 a.m. to 4 a.m., an appliance in the eastern US region will apply the update between 2 a.m. and 4 a.m. EST, whereas an appliance located in the United Kingdom will apply the update between 2 a.m. and 4 a.m. GMT. To change the time zone of the appliance, either change it in the SITE menu or during deployment. For more information, see How to Create a Site Configuration in Barracuda CloudGen WAN.

The site appliance automatically applies firmware and hotfix updates to match the software version of the gateway it is connected to within the update window. Note, however, that this is not the case for an appliance that connects to the gateway for the first time. Such an appliance does not wait until the update window; it updates immediately after connecting to the gateway for the first time.

Gateway Update Behavior

The Barracuda CloudGen WAN gateway uses the time zone of the region it is deployed to and applies the updates during the time window in its own local time. For example, if the update window is set from 2 a.m. to 4 a.m., a gateway deployed in the eastern US region will apply the update between 2 a.m. and 4 a.m. EST, whereas a gateway located in the United Kingdom will apply the update between 2 a.m. and 4 a.m. GMT.

The gateway automatically applies hotfix updates. 

 

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