Hanging Issue 2504WLC

sulakshan · ‎02-16-2023

We are facing Hanging issue after extending of AP license 50 to 75, After restarting it is working for 4-5 Days only, again it is getting hanged.

connected Clients are 300+

Connected Ap 's are 62

Current WLC version is 8.5.171.0

Mark Elsen · ‎02-16-2023

- Configure a syslog server on the controller and enable global ap syslogging too. Then followup on messages received on the syslog server from the controller and or just before it hangs, sometimes last gasp info's can lead to insights as to what is going on ,

M.

-- Let everything happen to you
   Beauty and terror
      Just keep going
     No feeling is final
Reiner Maria Rilke (1899)

Rich R · ‎02-17-2023

And upgrade to 8.5.182.7 to eliminate any known bugs which might have been fixed since 8.5.171.0

------------------------------
Please click Helpful if this post helped you and Accept as Solution (drop down menu at top right of this reply) if this answered your query.
------------------------------
TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
Field Notice: FN63942 APs and WLCs Fail to Create CAPWAP Connections Due to Certificate Expiration
Field Notice: FN72424 Later Versions of WiFi 6 APs Fail to Join WLC - Software Upgrade Required
Field Notice: FN72524 IOS APs stuck in downloading state after 4 Dec 2022 due to Certificate Expired
- Fixed in 8.10.196.0, latest 9800 releases, 8.5.182.12 (8.5.182.13 for 3504) and 8.5.182.109 (IRCM, 8.5.182.111 for 3504)
Field Notice: FN70479 AP Fails to Join or Joins with 1 Radio due to Country Mismatch, RMA needed
Field Notice: FN74383 APs Running 17.12.4/5/6/6a May Run Out of Flash Space Preventing Upgrades
How to avoid boot loop due to corrupted image on Wave 2 and Catalyst 11ax Access Points (CSCvx32806)
Field Notice: FN74035 - Wave2 APs DFS May Not Detect Radar After Channel Availability Check Time
Leo's list of bugs affecting 2800/3800/4800/1560 APs
Default AP console baud rate from 17.12.x is 115200 - introduced by CSCwe88390