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Cisco Bug: CSCvi90639 - Around 165% degradation in sessmgr cpu with CUSP-OWM Integrated Solution

Last Modified

Apr 24, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.8.0 21.8.W0.69152

Description (partial)

Approximate 165% increase in session manager CPU usage is observed on Cisco PGW with StarOS software release 21.8, during single event performance testing

Issue is seen on following conditions
1. Cisco Ultra Services Proxy feature is enabled and all flows gets TCP accelerated.
2. Average throughput is around 54Gbps
3. Average flows per seconds is around 20K
4. Average packet size is around 865 Bytes
5. Average session manager CPU is around 53%
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