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Cisco Bug: CSCvu94647 - [N26] - MME not responding for Fwd-Reloc-Req and Reloc-Cancel-Req from LPS AMF

Last Modified

Jul 27, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.20.1.76469

Description (partial)

Symptom:
For Forward relocation request from AMF in 5G to 4G Connected mode Handover, MME is not sending Forward relocation response sometimes. In 5G to 4G idle mode mobility, MME is not responding to TAU request.

Conditions:
This is happening randomly when MME is attached with 36Lakh subscribers or more.
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