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Cisco WLC 5508 in HA - RF failure notification ErrorType: 32 Reason - Config Sync failed

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Introduction

Use was getting the below Error in Cisco WLC 5508, Version 7.4.100.0 in HA mode. The WLC contains Access Points having in local and Flex Connect Mode.

RF failure notification ErrorType: 32 Reason :Error: Config Sync failed on Standby for the usmdb:HA_send_usmDbApfMsDelete

he saw a same bug in Cisco WLC 7.4.100.0 release notes similar to the error like

RF failure notification ErrorType: 32 Reason :Error: Config Sync failed on Standby for the usmdb:HA_send_usmDbSpamSetRadSlotAntennaType.

Scenario 2

Another user also hitting this bug at a site running 2x WLC 5508 with 7.6.100.0 with cleanair enabled but with 20Mhz channels on 5Ghz.

Unfortunately he can't view the bug details as it is not available for external view.

Is this just a cosmetic bug as in just a trap that is sent with no further action to be taken or is this critical bug where as the config cannot be synced between the redundancy pairs ?

Scenario 3

One more user have also an error with 7.6.110.0 in HA-mode.

RF failure notification ErrorType: 32 Reason :Error: Config Sync failed on Standby for the usmdb:HA_send_usmDbMsAddToBlackList

This error came in logs when he enabled Cleanair.

Scenario 4

user seeing this error "RF failure notification ErrorType: 32 Reason :Error: Config Sync failed on Standby" running 7.5.102.0 on WiSM-2 in HA-cluster as well.

Solution

This is a known issue "usmdb sync failure while changing channel width and channel number" and fixed in:

Known Fixed Releases:
(4)
8.0(50.40)
7.5(1.4)
7.5(102.0)
7.4(121.22)

 

The above mentioned solution was verified by user and mentioned "I Upgraded my WLC in HA to 7.6.100.0 and is fixed for the above bugs. I implemeted this before 1 week and is stable , has fixed lots of issues with 7.4 HA, even for Flex connect Access Points. Also GUI is little different , like showing No.of Clients connected to Each AP etc".

Download software for  Cisco 5500 Series Wireless Controllers

CSCud26632

Symptom : The following SNMP trap appears on the controller when you change the channel width number to 40-MHz:

RF failure notification ErrorType: 32 Reason :Error: Config Sync failed on Standby for the usmdb:HA_send_usmDbSpamSetRadSlotAntennaType.

Conditions : Controller is in an HA pair. Join the 802.11n access point to the controller and change the channel width to 40-MHz and channel number to 157.

Workaround : None.

 

Source

http://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn74.html#72331

This document is generated through the following discussion:

https://supportforums.cisco.com/discussion/11999981/cisco-wlc-5508-ha-mode-error

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