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Cisco Bug: CSCvs35368 - ISR 4331 rebooted with "CPU Usage due to Memory Pressure exceeds threshold" when running traffic

Last Modified

Sep 10, 2020

Products (20)

  • Cisco XE SD-WAN Routers
  • Cisco ASR 1000 Series IOS XE SD-WAN
  • Cisco 4221 Integrated Services Router
  • Cisco 1101 Industrial Integrated Services Router
  • Cisco 4431 Integrated Services Router
  • Cisco ASR 1002-X Router
  • Cisco 4331 Integrated Services Router
  • Cisco 4321 Integrated Services Router
  • Cisco ASR 1001-X Router
  • Cisco 4351 Integrated Services Router
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Known Affected Releases

16.12 16.12.3

Description (partial)

Symptom:
ISR 4331 rebooted with "CPU Usage due to Memory Pressure exceeds threshold" when running traffic

Conditions:
cEdge-4331#show sdwan app-fwd cflowd statistics            
      data_packets             :      2095828 
      template_packets         :      189 
      total-packets            :      162714 
      flow-refresh             :      0 
      flow-ageout              :      1231956 
      flow-end-detected        :      0 
      flow-end-forced          :      0 

New behavior:
 cEdge-4331#sh sdwan app-fwd cflowd statistics            
      data_packets             :      2095828 
      template_packets         :      189 
      total-packets            :      162714 
      flow-refresh             :      0 
      flow-ageout              :      1231956 
      flow-end-detected        :      0 
      flow-end-forced          :      0 
      flow_bytes_cnt           :      212683620 
      all_packets_cnt          :      163232 
      fnf_ftm_flow_pps_rate    :      930 
      fnf_ftm_flow_bps_rate    :      1218359 
      fnf_ftm_flow_rps_rate    :      12000 

Impact on customer:
Cedge FNF user
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