Although Cisco Application Control Engine (ACE) modules are End of Live, it is still common to find them deployed in Datacenters. The intention of this post is to get a better understanding of a High Availability deployment for Routed Mode
N+1 HA Wireless LAN Controller
N+1 HA /HA-SKU Wireless Controller Redundancy The N+1 HA feature builds upon the N+1 redundancy model by allowing a single WLC (Wireless LAN Controller) to be deployed as a backup for multiple primary WLCs. N+1 deployment requires additional AP licenses