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Cisco Bug: CSCvv08744 - [MME] N26: GUMMEI Type IE validation check needs to be modified for peer AMF selection

Last Modified

Jul 21, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases


Description (partial)

During "5GS to EPS Mobility/EPS Attach (Mapped 5G-GUTI)" procedure, configured peer AMF address may not be selected and MME may try selecting the peer MME address.

Issue would be observed when GUMMEI type "mappedFrom5G" is not received in ATTACH REQUEST/TRACKING AREA UPDATE REQUEST in S1-AP "Initial UE message".
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