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Cisco Bug: CSCvu38494 - OID 1.3.6.1.4.1.9.9.513.1.1.1.1.16 : cLApLastRebootReason returns value to be 0

Last Modified

Jun 05, 2020

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.10(121.0) 8.5(161.0)

Description (partial)

Symptom:
OID 1.3.6.1.4.1.9.9.513.1.1.1.1.16 : cLApLastRebootReason returns value to be 0

Conditions:
Pleasere refer to below :

C:\Users\haorzhao>snmpwalk -v 2c -c public 172.20.2.3 1.3.6.1.4.1.9.9.513.1.1.1.1.16
SNMPv2-SMI::enterprises.9.9.513.1.1.1.1.16.0.200.139.230.177.48 = INTEGER: 0
SNMPv2-SMI::enterprises.9.9.513.1.1.1.1.16.76.119.109.81.201.128 = INTEGER: 0
SNMPv2-SMI::enterprises.9.9.513.1.1.1.1.16.148.212.105.253.160.32 = INTEGER: 0

I have tested many situations as below :
Version : 8.5.151.0 and 8.10.121.0
WLC: 3504 8504 5520 
AP: 1600 1800  2800 3800 2700

I have tried below reasons:
1.	Reset AP from AP console
2.	Reset AP from controller 
3.	Let AP download image to reset
4.	Let AP lose power to reset 

And actually I can find the AP disassociated reason traplog from the WLC SNMP traplog like below
But it just reply me the value to be 0

--------------------------------------------------------------------------------------------traplog example -------------------------------------------------------------------------------------------------------------------------
	Fri May 22 00:23:39 2020	AP 'ap2700', MAC: 00:c8:8b:e6:b1:30 disassociated previously due to AP Reset. Uptime: 0 days, 00 h 01 m 59 s . Reason: controller reboot command.

301        Thu May 21 19:59:03 2020          AP 'AP94D4.69FC.4E68', MAC: 94:d4:69:fd:a0:20 disassociated previously due to AP Reset. Uptime: 0 days, 00 h 01 m 36 s . Reason: AP Type changed to capwap.

390        Thu May 21 19:42:30 2020          AP '2800ap', MAC: 4c:77:6d:51:c9:80 disassociated previously due to AP Reset. Uptime: 0 days, 00 h 02 m 26 s . Reason: image upgraded.

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