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Cisco Bug: CSCuw39792 - PTMSI exhaustion at 16k sessions per sessmgr on a few platforms

Last Modified

Feb 12, 2018

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

18.2.M0.60367 19.3.v1 19.3.v5 19.6.v0 20.0.0 20.0.v0 20.2.v0 21.0.v0 21.1.v0 21.3.0

Description (partial)

Symptom:
The max number of sessions that can be hosted on a particular session manager in some SGSN platforms (ASR5700, VPC-DI, DPC2 etc), stops at 16,387 (around 16k) as opposed to 28k per session manager on older platforms  like ASR5000

Conditions:
SGSN service running on ASR5700, VPC-DI, DPC2
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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