ZyXEL Communications ZyWall ATP series - How to Configure Device HA Pro

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How to Configure Device HA Pro
The Device HA feature acts as a failover when one of the devices in the network is
dead or can’t access the Internet. Therefore, this is a popular feature for network
environments. In the previous firmware version, the USG supports AP (Activate-
Passive/Master-Backup) mode. In V4.25, the Device HA feature is enhanced and
named Device HA Pro.
In Device HA Pro, a “heartbeat link” is added for monitoring the interface status and
synchronizing settings. Follow the steps below to deploy the Device HA Pro feature in
your network environment.