Start by transfering new code to the Wireless LAN Controller. Initiate predownloading by doing the following. Basically you’re setting the new SW as backup, and telling the APs to download the new SW, before setting the backup SW as primary.
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(Cisco Controller) >config ap image predownload primary all (Cisco Controller) > (Cisco Controller) >show ap image all Total number of APs.............................. 85 Number of APs Initiated....................................... 0 Downloading..................................... 0 Predownloading.................................. 0 Completed predownloading........................ 85 Not Supported................................... 0 Failed to Predownload........................... 0 Predownload Predownload Flexconnect AP Name Primary Image Backup Image Status Version Next Retry Time Retry Count Predownload ------------------ -------------- -------------- --------------- -------------- ---------------- ------------ --------- AP-22 8.2.121.0 8.5.131.0 Complete 8.5.131.0 NA NA AP-23 8.2.121.0 8.5.131.0 Complete 8.5.131.0 NA NA [...] (Cisco Controller) > (Cisco Controller) > (Cisco Controller) >show boot Primary Boot Image............................... 8.5.131.0 Backup Boot Image................................ 8.2.121.0 (default) (active) (Cisco Controller) >config boot primary (Cisco Controller) >show boot Primary Boot Image............................... 8.5.131.0 (default) Backup Boot Image................................ 8.2.121.0 (active) (Cisco Controller) >config ap image swap all (Cisco Controller) >show ap image all Total number of APs.............................. 85 Number of APs Initiated....................................... 0 Downloading..................................... 0 Predownloading.................................. 0 Completed predownloading........................ 85 Not Supported................................... 0 Failed to Predownload........................... 0 Predownload Predownload Flexconnect AP Name Primary Image Backup Image Status Version Next Retry Time Retry Count Predownload ------------------ -------------- -------------- --------------- -------------- ---------------- ------------ --------- AP-22 8.5.131.0 8.2.121.0 Complete 8.5.131.0 NA NA AP-23 8.5.131.0 8.2.121.0 Complete 8.5.131.0 NA NA [...] (Cisco Controller) >save config Are you sure you want to save? (y/n) y Configuration Saved! (Cisco Controller) >reset system in 00:10:00 image no-swap reset-aps System reset is scheduled for Jul 18 14:16:40 2018. Current local time and date is Jul 18 14:06:40 2018. A trap will be generated 10 minutes before each scheduled system reset. Use 'reset system cancel' to cancel the reset. Configuration will not be saved before the system reset. |