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Cisco Bug: CSCvu38986 - Memory leak observed under wncd_x due to CAPWAP messaging

Last Modified

Sep 15, 2020

Products (7)

  • Cisco Catalyst 9800 Series Wireless Controllers
  • Cisco Catalyst 9800-40 Wireless Controller
  • Cisco Catalyst 9800-L-C Wireless Controller
  • Cisco Catalyst 9800-80 Wireless Controller
  • Cisco Catalyst 9800-L-F Wireless Controller
  • Cisco Catalyst 9800-CL Wireless Controller for Cloud
  • Cisco cBR-8 Converged Broadband Router

Known Affected Releases

16.12.1

Description (partial)

Symptom:
The wncd_x processes will show the RSS column constantly increasing:

--------------------show processes memory platform sorted--------------------
System memory: 32437868K total, 11287580K used, 21150288K free,
Lowest: 20611620K
   Pid    Text      Data   Stack   Dynamic       RSS              Name  
----------------------------------------------------------------------
 20942     849   2137032     136   2700404   2137032            wncd_4  
 19997     849   1290368     136    865316   1290368            wncd_0  
 20770     849   1005144     136    235312   1005144            wncd_3  
 20538     849   1005096     136    273536   1005096            wncd_2  
 20265     849    995660     136    235420    995660            wncd_1

Conditions:
No specific conditions have been determined
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Bug Details Include

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  • Status
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