Controller Firmware Update — Cisco 2500 Series Wireless

Cisco 2500 Series Wireless Controller — Firmware Update (Post)

Need to update a Cisco 2500 Series Wireless Controller? Follow this concise, safe procedure to plan and apply the firmware upgrade with minimal downtime.

The upgrade can be performed through multiple interfaces depending on the administrator's preference and environmental access: cisco 2500 series wireless controller firmware update

Use: config boot primary or config boot backup followed by reset system. Cisco 2500 Series Wireless Controller — Firmware Update

• Bookmark the Cisco Software Download portal.
• Schedule your next update window for a low-traffic weekend.
• Consider setting up a syslog server to capture boot messages during the next reboot.

Note: The 2500 series does NOT support USB or SCP image transfer. Bookmark the Cisco Software Download portal

1. Set your PC to 192.168.1.10/24.
2. Connect to the console port.
3. At the ap: prompt, type: set ip addr 192.168.1.2 set ip mask 255.255.255.0 tftp_init ether_init tftp -r AIR-CT2500-K9-8-5-182-0.aes
4. Reboot – the controller will re-flash.

AP Cert-Expiry Workaround: If your APs fail to join after an upgrade due to expired certificates, run the following commands on the controller:config ap cert-expiry-ignore ssc enableconfig ap cert-expiry-ignore mic enable 3. Back Up Configuration