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Cisco Bug: CSCua90558 - In Y1731 IP SLA operation, displayed Cumulative-(FLR%) is not correct

Last Modified

Feb 03, 2017

Products (13)

  • Cisco IOS
  • Cisco 7301 Router
  • Cisco 7206 Router
  • Cisco 7204 Router
  • Cisco 7206VXR Router
  • Cisco 7202 Router
  • Cisco 7600 Series Route Switch Processor 720 with Multilayer Switch Feature Card
  • Cisco 7600 Series Route Switch Processor 720 with 10 Gigabit Ethernet Uplinks
  • Cisco 7600 Series Supervisor Engine 32 with Multilayer Switch Feature Card
  • Cisco 7200 Series NPE-G2 Network Processing Engine
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Known Affected Releases

15.1(3)S3

Description (partial)

Symptom:
On Cisco CISCO7609  with Version 15.1(3)S3 , it is observed that the displayed  Cumulative - (FLR % ) is not correct,
in the decimals place for Y1731 Loss operation .
                
  Forward
  Number of Observations 1147
  Available indicators: 1138
  Unavailable indicators: 9
  Tx frame count: 12192
  Rx frame count: 11838
  Min/Avg/Max - (FLR % ): 0:1/000.85%/28:30
  Cumulative - (FLR % ): 002.02%
  
  The cumulative value is 2.02 ,however the calculated value is 2.903
  
  Here is the output of show ip sla compared to the correct results :
  
  ANUE Router Y1731                  Spirent Test Center
                
  Loss rate              Tx           Rx         Loss    Cum %     Tx
Rx           Loss       Cum %
  10/1.000             12192    12080    112         0              12192
12080    112         0,918
  20/1.000             12192    11939    253         2,02        12192
11939    253         2,075
  30/1.000             12192    11838    354         2,02        12192
11838    354         2,903
                

Conditions:
Using Y1731 Loss operation LMM or SLM.
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