Cisco Bug: CSCut18087 - UE Initiated PDN Disconnections Counter Improperly Populated
May 21, 2018
- Cisco ASR 5000 Series
Known Affected Releases
Symptom: UE Initiated PDN Disconnections- Attempted and Success counter is not getting populated for the scenario, given below: 1. Initiate an EPS attach. 2. Initiate additional PDN connection procedure. 3. Initiate a PDN Disconnect procedure for the second PDN. 4. Do not send the 'DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT' message upon receiving the 'DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST' message. Conditions: If the message 'DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT' is not sent upon receiving the 'DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST' message, then the following issues are observed: a)UE Initiated PDN Disconnections- Attempted and Success counters are not pegged even after retries. Attempted and Success counters should peg to 1 as PDN Disconnect procedure is considered successful even if the accept message from UE is not received. Note: Counters get populated properly if MME receives the 'DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT' message. b)The re-transmission happens only 3 times instead of 4, which is supposed to be the default.
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