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WiNG wireless controller failed upgrade of access point.

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TitleWiNG wireless controller failed upgrade of access point.
Symptoms
AP6532 Failed to upgrade to version 5.8.4
Environment
  • RFS7000 
  • AP6532  
  • Any WiNG AP
  • Any WING WLC
Cause
Customer wrongly uploaded the AP6532 Firmware Version into the controller. Causing Version mismatch error. 
 
Resolution
Correct firmware version 5.8.4 for AP6532 uploaded into the controller.

Here is the command to check the available/loaded integrated AP firmware loaded in the controller.
  • SSH to the controller
WLC#show device-upgrade versions
--------------------------------------------------------------------------------
          CONTROLLER               DEVICE-TYPE                VERSION
--------------------------------------------------------------------------------
             WLC                    ap621                   5.8.4.0-034R
             WLC                    ap622                   5.8.4.0-034R
             WLC                    ap650                   5.8.4.0-034R
             WLC                    ap6511                  5.8.4.0-034R
             WLC                    ap6521                  5.8.4.0-034R
             WLC                    ap6522                  5.8.4.0-034R
             WLC                    ap6532                  5.8.4.0-034R
             WLC                    ap6562                  5.8.4.0-034R
             WLC                    ap71xx                  5.8.4.0-034R
             WLC                    ap7502                  5.8.4.0-034R
             WLC                    ap7522                  5.8.3.2-005R
             WLC                    ap7532                  5.8.3.2-005R
             WLC                    ap7562                  5.8.3.2-005R
             WLC                    ap81xx                  5.8.4.0-034R
             WLC                    ap82xx                  5.8.4.0-034R
             WLC                    ap8432                  5.8.4.0-034R
             WLC                    ap8533                  5.8.4.0-034R
             WLC                    nx5500                  none
             WLC                    rfs4000                 5.8.1.0-012R
             WLC                    rfs6000                 none
             WLC                    rfs7000                 5.8.2.0-030R
--------------------------------------------------------------------------------

To correct this first:
  1. Upload correct AP's Firmware to the controller ( AP firmware typically should be the same version as the controller). 
  2. Check the load-image status
WLC#device-upgrade load-image ap6532 tftp://<hostname|IP>[:port]/path/file

WLC#show device-upgrade load-image-status
At this point, the issue should be resolved, you can verify AP has upgraded. 
 
WLC#sh upgrade-status on ap6532
Last Image Upgrade Status : Successful
Last Image Upgrade Time   : 2017-03-02 07:46:18









 
Additional notes
Find the root cause using the command below,
WLC#show device-upgrade status
Number of devices currently being upgraded : 0
Number of devices waiting in queue to be upgraded : 0
Number of devices currently being rebooted : 0
Number of devices waiting in queue to be rebooted : 0
Number of devices failed upgrade  : 0
------------------------------------------------------------------------------------------
 DEVICE STATE UPGRADE TIME REBOOT TIME PROGRESS RETRIES LAST UPDATE ERROR   UPGRADED BY
------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------

 

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