Guest

Preview Tool

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

21.20.M0.76225

Description (partial)

Symptom:
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.

Conditions:
Issue would be observed when GUMMEI type "mappedFrom5G" is not received in ATTACH REQUEST/TRACKING AREA UPDATE REQUEST in S1-AP "Initial UE message".
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.