Preview Tool

Cisco Bug: CSCur89996 - MME releases UE context with Category NAS : Unspecified for Radio issues

Last Modified

Jan 29, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases


Description (partial)

User is connected to the MME and has an active context. UE then intermittently looses RRC connection due to RF sync issues and when  the user  re-establishes the radio , User performs TAU. As a result the MME will tear down the active context with cause NAS unspecified.
Customer requests that since this is a radio issue, MME should tear the connection with cause Radio: unspecified.

Normal traffic scenario
Bug details contain sensitive information and therefore require a 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.