Cisco Bug: CSCum03645 - LTE to 3G IRAT-idle mode failed due to missing RNC TEID in EGTP_UBR.
Feb 06, 2017
- Cisco ASR 5000 Series
Known Affected Releases
Symptom: SGSN doesn't sent S12U-FTEID in Update Bearer Response, as a result of which the message is getting discarded at SGW. Conditions: 1) New Israu from peer MME 2) There is a change in QoS from subscritption 3) SGSN initiates Modify Bearer Command 4) Received Update Bearer Request from PGW 5) Since RAB is not available SGSN immediately sends UBR Response
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Bug Details Include
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