Datacenter Application Control Engine (ACE) – High Availability

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 with some cases of study.

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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 to be purchased for the backup WLCs which are unused during normal operation.

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