Clustering two or more Barracuda Email Security Gateways makes sense if your organization requires high availability, scalability, data redundancy and/or fault tolerance. Clustering also provides centralized management of policy because once you configure one of the devices, configuration settings are synchronized across the cluster almost immediately. Clustered systems can be geographically dispersed and do not need to be located on the same network.
For more information about setting up a cluster of Barracuda Email Security Gateways, see:
- Benefits of Clustering the Barracuda Email Security Gateway - Explains features and benefits of clustering.
- How to Cluster the Barracuda Email Security Gateway 7.x - Steps to deploy and configure a cluster.
- How to Cluster the Barracuda Email Security Gateway 6.x - Steps to deploy and configure a cluster.