Device Operations Transparent or Routed Firewall ModeLogical Devices on the Firepower 4100/9300Multi-Instance Mode for the Secure Firewall 3100High AvailabilityClustering for the Secure Firewall 3100/4200Clustering for Threat Defense Virtual in a Private CloudClustering for Threat Defense Virtual in a Public CloudClustering for the Firepower 4100/9300