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Cisco Bug: CSCvv15520 - [MME] N26: MME failed to send Identification Request during 5GS to EPS Attach (Mapped 5G-GUTI)

Last Modified

Sep 17, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.20.2 21.20.3

Description (partial)

Identification Request not sent to peer AMF during 5GS to EPS Attach (Mapped 5G-GUTI) procedure.

Issue could be observed when multiple subscribers are simultaneously moving from the particular peer AMF to the MME.
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