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Cisco Bug: CSCum76906 - Radio Reset: (SC3) due to IOS vs Radio FW mismatch on channel bandwidth

Last Modified

Nov 16, 2018

Products (1)

  • Cisco Aironet 3700 Series Access Points

Known Affected Releases

8.0(72.103) 8.0(72.137)

Description (partial)

Symptom:Cleanair is down on an 3500/2600 series AP.  The event.r* log contains messages similar to the following:

Mar 14 12:04:18.331: %EVT-5-NTC: d1 - No CleanAir msmts 0,249,0,0,0,11,12,13,12,0/0/32D657C/3310842
Mar 14 12:04:18.375: %EVT-5-NTC: E1: Sensor receive failure (0), 260
Mar 14 12:04:18.375: %EVT-5-NTC: E1: Fatal condition, shutdownNci needed, Receive Failure
Mar 14 12:04:18.375: %EVT-5-NTC: Fatal spectrum FW error: slot=1, ecode=10010000
Mar 14 12:04:18.375: %EVT-5-NTC: CPU load(1/4/8/16) slot=1: 11.75  12.75  13.25  12.50
Mar 14 12:04:18.375: %EVT-5-NTC: Spectrum FW down slot=1:
Mar 14 12:04:18.378: %EVT-5-NTC: Spectrum FW recoverable err cnt=0:
Mar 14 12:04:18.381: %EVT-5-NTC:    mesg: regwdog
Mar 14 12:04:18.381: %EVT-5-NTC:    file: src/de_cmd.c
Mar 14 12:04:18.381: %EVT-5-NTC:    line/id: 856 / 0
Mar 14 12:04:18.381: %EVT-5-NTC: Closing connection slot 1; last packet time 1/55301
Mar 14 12:04:18.384: %EVT-5-NTC: I1: shutdownNci
Mar 14 12:04:18.384: %CLEANAIR-3-ERROR: Slot 1 spectrum FW communication error

and the AP log shows RLDP activity shortly preceding the Spectrum down event:

*Mar 14 06:43:19.587: %LWAPP-5-RLDP: RLDP stopped on slot 1.Beacons disabled after RLDP. Attempting to reenable. Op mode 9

*Mar 14 06:43:30.119: %CLEANAIR-6-STATE: Slot 1 down
*Mar 14 06:43:46.895: %CLEANAIR-6-STATE: Slot 1 enabled
*Mar 14 06:44:14.355: CRIM +True,+API.dsk,+Cal.dsk
*Mar 14 06:44:14.355: +000000001
*Mar 14 06:44:59.355: CRIM +True,-API,+Cal.dsk
*Mar 14 06:44:59.355: +000000001
*Mar 14 06:45:34.355: executing FatalError
*Mar 14 06:45:34.355: +000000001
*Mar 14 06:45:34.367: 
*** sensord died (src/de_cmd.c:856) - slot 1 ***

*Mar 14 06:45:34.391: %CLEANAIR-6-STATE: Slot 1 down
*Mar 14 06:45:34.391: %CLEANAIR-3-ERROR: Slot 1 spectrum FW communication error
*Mar 14 06:45:45.127: sensord: shutdown slot 1
Conditions:3500 or 2600 series AP.  RLDP enabled.
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