: As of late 2022, older IOS-based access points were known to get stuck in a downloading loop when upgrading to newer firmware. Before upgrading any subordinate APs, ensure your Mobility Express controller's system clock is set to a date before December 5, 2022 , to avoid triggering an expired certificate issue.
Cisco software archives use highly specific syntax. Breaking down AIR-AP2800-K9-ME-8-5-182-0.tar clarifies exactly what it contains: Air-ap2800-k9-me-8-5-182-0.tar
Console cable access or SSH access to the target Access Point. Scenario A: Converting a Lightweight AP to Mobility Express : As of late 2022, older IOS-based access