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Cisco Bug: CSCul17076 - PGW sends incorrect cause code in MBResp in Inter SGSN HO

Last Modified

Feb 07, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(1)

Description (partial)

Symptom:
In case of  Inter SGSN handover, PGW sends incorrect cause code (Context Not Found) in Modify Bearer Response, while the expected cause code should be "Mandatory IE Missing."

Conditions:
PGW rejects the handover with cause code 64 after the following sequence of events:
1. Create a GnGp 3G session with GGSN.
2. Now perform a handover to a S4-SGSN and do not include APN-AMBR  IR Modify Bearer Request coming from SGSN.
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