What is NOT a Cluster Mode?

Active-Active is not a cluster mode. Active-Active is a cluster configuration where both members are active and handle traffic simultaneously. However, this configuration is only supported for VSX clusters, not for regular clusters. The cluster modes for regular clusters are High Availability (HA), Load Sharing Unicast, and Load Sharing Multicast. References: [Check Point Security Expert R81 ClusterXL Administration Guide], page 7.