Connectivity Upgrade of a Cluster

In This Section: Connectivity Upgrade Prerequisites Supported Versions for Connectivity Upgrade Connectivity Upgrade Limitations Connectivity Upgrade of a Security Gateway Cluster Connectivity Upgrade of a VSX Cluster Connectivity Upgrade of a VRRP Cluster Connectivity Upgrade Error Messages Troubleshooting the Connectivity Upgrade

Use the Connectivity Upgrade (CU) method to upgrade a Security Gateway cluster or a VSX Cluster. This procedure lets you upgrade the cluster without a loss of connectivity (connection failover is guaranteed).

Important - This upgrade method supports Cluster Members in High Availability mode only.