: For users requiring ongoing support, Cisco recommends migrating to the Release 8.5.x or 8.10.x software trains, which are the final supported paths for this hardware. Hardware Capabilities (5508 WLC)
Software version 8.3.x supports a wide range of legacy and modern hardware, including: Wave 2 APs : Aironet 1815, 1830, 1850, 2800, and 3800 series. Legacy APs air-ct5500-k9-8-3-150-0
For the running software version 8.3.150.0 , the most comprehensive resource is the Cisco Wireless Controller Configuration Guide, Release 8.3 . This version introduces significant updates, particularly for fast roaming and Apple device integration. Essential Documentation & Guides : For users requiring ongoing support, Cisco recommends
config boot primary <filename>