[Legacy Code: e.g., 8.0.x or 8.2.x] │ ▼ [Intermediate Step: 8.3.102.0 (If required by release notes)] │ ▼ [Target Code: 8.3.150.0] Pre-Upgrade Checklist
The 8.3 software train is one of the most mature paths for the Cisco 5508 WLC. Release 8.3.150.0 is an Extended Support Release (ESR). It focuses on long-term reliability rather than adding complex new features. Why Deploy 8.3.150.0? air-ct5500-k9-8-3-150-0
: If legacy APs fail to join, verify their internal certificates have not expired. You may need to temporarily adjust the controller time or disable MIC verification if managing older test-bench hardware ( config ap cert-expiry-ignore mic enable ). [Legacy Code: e