Cisco Firepower | 2110 Threat Defense Upgrade
Execute a pre-upgrade readiness check through the FMC or Firepower Device Manager (FDM) to identify potential disk space issues or configuration errors. 2. The Upgrade Process
For HA pairs, the FMC will upgrade the standby unit first, perform a failover, and then upgrade the former active unit to maintain traffic flow. Using Firepower Device Manager (FDM) cisco firepower 2110 threat defense upgrade
Navigate to Devices > Device Management , select the 2110, and click Install . Execute a pre-upgrade readiness check through the FMC