Cisco Bug: CSCvv28114 - [MME] S1AP encoding of InitialContextSetup Request fails with MDT configuration
Sep 17, 2020
- Cisco ASR 5000 Series
Known Affected Releases
Symptom: With MDT enabled in mme-service config, S1AP encoding of InitialContextSetup request message fails and the message is not sent towards eNB for Attach and TAU procedures when MME is configured to include S1AP MDT IE along with below IEs: -> InitialContextSetup Request message is sent with UE NR capability IE for 5G SA (N1-Mode)/5G NSA (DCNR) capable UEs (and/or) -> InitialContextSetup Request message is sent with Additional CSFallback Indicator IE. Conditions: With "minimization-drive-test" configured in mme-service configuration mode.
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