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Cisco Bug: CSCvv10282 - [MME] N26: EGTP_CAUSE_CONDITIONAL_IE_MISSING during (5G to 4G) TAU

Last Modified

Sep 17, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.20.0 21.20.3

Description (partial)

MME is not handling GTPv2 messages in N26 interface from peer AMF.

Issue would be observed when peer AMF sends MME FTEID.
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