I already posted a tutorial about Cisco WLC HA with 5500er series but I want to show you how to configure an N+1 high availability system with 2504 WLC from Cisco. Our main WLC will be a Cisco 2504 AIR-CT2504-5-K9 (supports five access points) and a HA unit Cisco 2504 AIR-CT2504-HA-K9. Here is the basic-configuration […]