The Need for Gateway Clusters Gateways and VPN connections are business critical devices. The failure of a Security Gateway or VPN connection can result in the loss of active connections and access to critical data. The gateway between the organization and the world must remain open under all circumstances. ClusterXL Gateway Cluster Solution A ClusterXL cluster is a group of identical Check Point Security Gateways connected in such a way that if one fails, another immediately takes its place. ClusterXL is a software-based Load Sharing and High Availability solution that distributes network traffic between clusters of redundant Security Gateways and provides transparent failover between.