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Cisco Bug: CSCvu83433 - [N26] NAS Count in 5G to 4G HO scenario is not considered for MME DL NAS Message

Last Modified

Sep 17, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.20.0 21.20.0.76367 21.20.1

Description (partial)

Symptom:
New Security context is sent towards the eNB than the mapped EPS security context received in FORWARD RELOCATION REQUEST from AMF.

Conditions:
Issue would be observed during 5GS to EPS Handover using N26 interface.
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  • Status
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