AIR-AP1832I-E-K9 - Process wcpd gone

[bozo.bogd]

Hi all,

I have ~300 AP's.

Recently, the number of those with constant reboot issues started raising.

After digging into, it seems that the reason is the same.

(ignore timing on logs)

[*02/10/2021 16:26:40.4396] !!!!! {watchdogd} Process wcpd gone for 60s

[*02/10/2021 16:25:19.7873] !!!!! {watchdogd} Process wcpd gone for 480s
[*02/10/2021 16:25:19.8173]
[*02/10/2021 16:25:19.8173] !!!!! {watchdogd} apsw_watchdog about to reboot with reason: wcpd
[*02/10/2021 16:25:19.8173]
[*02/10/2021 16:25:19.8173] you have 10 seconds to run this to stop this process. Good luck.
[*02/10/2021 16:25:19.8173] freeze -w
[*02/10/2021 16:25:20.9369] WTP IP address changed from 0.0.0.0 to 10.179.18.182, restart CAPWAP.
[*02/10/2021 16:25:20.9369]
[*02/10/2021 16:25:20.9369]
[*02/10/2021 16:25:20.9369] Lost connection to the controller, going to restart CAPWAP (reason : WTP IP address changed)...
[*02/10/2021 16:25:20.9369]
[*02/10/2021 16:25:20.9369] Restarting CAPWAP State Machine.
[*02/10/2021 16:25:20.9369] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: Discovery(2).
[*02/10/2021 16:25:20.9369]
[*02/10/2021 16:25:20.9369] CAPWAP State: DTLS Teardown

5508 controller running 8.5.171.0

APC4B9.CDF8.2880 uptime is 0 days, 0 hours, 7 minutes
Last reload time : Wed Feb 10 16:25:35 UTC 2021
Last reload reason : watchdog reset(wcpd)

cisco AIR-AP1832I-E-K9 ARMv7 Processor rev 0 (v7l) with 997268/786072K bytes of memory.
Processor board ID KWC21190B7A
AP Running Image : 8.5.171.0
Primary Boot Image : 8.5.171.0
Backup Boot Image : 8.5.140.0

What is wcpd service used for ?

Do you have any idea what's going on, what can I try to fix wcpd ?

I found numerous bug's related with wcpd, some says It's fixed with version 8.8.100.0 - which 5508 doesnt support as it seems.

Thank you in advance.

Regards,

[marce1000 · Accepted solution]

      >....I found numerous bug's related with wcpd, some says It's fixed with version 8.8.100.0 - which 5508 doesnt support as it seems.
    - That's  a basic and or major showstopper here indeed , many of those  bugs are only resolved in versions which the 5508  can not run as per https://www.cisco.com/c/en/us/support/docs/wireless/wireless-lan-controller-software/200046-tac-recommended-aireos.html
      it can only go until https://software.cisco.com/download/specialrelease/9a6a7cf84f9fdf04b95c76e2ac7820e7

     The 5508 is also EOL and
     You should plan for migrating to the new 9800 based controller solutions , you can for instance already download
     the VM based version for free(!)  which you can use without licenses for 30 days (useful for testing!)

 M.

[bozo.bogd]

Thank you @marce1000 ,

I tested upgrade/move to existing 9800 controller and that works, however, then I come to the question of licensing. Existing 5008 has 500ap's license, which I expect can't move.

9800 is smart licensing enabled

Do you know any option available to fix it beside move to newer controller ? Can I wipe AP and download OS again or something (shoot from the hip)

Thanks

[marce1000]

   - The licensing is not related to the OS on the AP ; however you must always  check compatibility info's for
      APs when using the 9800 controller + software version used on the controller according to :
                     https://www.cisco.com/c/en/us/support/docs/wireless/wireless-lan-controller-software/200046-tac-recommended-aireos.html

    + Existing licenses on the 5508 can not be migrated to the 9800 platform (indeed)
     ; the APs need an AIR-DNA based license for the
      9800 , you may want to contact Cisco or  a local partner (probably preferred) to get deals on that , 

 M.