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Cisco Bug: CSCuw50060 - [Perf-ASR5700] Calls Start Failing After MME Manager Reaches 75-80%

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

18.2.M0.60367

Description (partial)

Symptom:
It is observed that calls are getting rejected.

Conditions:
This issue is observed to occur when the MME manager is loaded up to around 75-80%. It is noticed mainly in paging and dedicated bearer CEPs cases. The reporting in this PR is for dedicated bearer cases. As soon as MME manager reaches around 75-80%, a higher rate of failures are observed.

 Create Bearer Request:
  Total   TX:                          0   Total   RX:                   25675649
  Initial TX:                          0   Initial RX:                   25675649
  Retrans TX:                          0   Retrans RX:                          0
                                            Discarded:                          0
                                           No Rsp  RX:                          0
 Create Bearer Response:
  Total   TX:                   25538940   Total   RX:                          0
  Initial TX:                   25538940   Initial RX:                          0
    Accepted:                   25526635     Accepted:                          0
      Denied:                      12305   <<<<<<<<<<    Denied:                          0
  Retrans TX:                          0    Discarded:                          0
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