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Cisco Bug: CSCuj34413 - GGSN/SPW Recording two diffrent subscriber session in one CDR_TEID reuse

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

12.2(39)

Description (partial)

Symptom:
Some subscribers has been charged for 4G usage even if these subscribers are in HSS

Conditions:
Two subscribers originating from same SGSN/SGW  generating CDR pGWrecord in same GGSN/PGW

RCA-The issue is due to Re-initialization of  TEID pool after every successful GnGp handoff(invalid) or Sessmgr Recovery(valid). But, with a condition that last few freed TEIDs should be now among first few free TEIDs available.
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