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Cisco Bug: CSCum50504 - VFD2:MME: MME doesnt release ressources after receiving DDN from SGW

Last Modified

Feb 06, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(16)

Description (partial)

Symptom:
-establish 4G session (default bearer).
-start payload.
-SGW triggers DDN with cause = EGTP_CAUSE_ERROR_IND_RCVD_RNC_ENODE (in attached trace this was triggered by ERROR indication from eNodeb).
-The MME replies immediately with DDA with cause = EGTP_CAUSE_UNABLE_TO_PAGE_UE    <<<<< the MME  trace shows that it didn't release the S1  and it didn't page the UE(see below spec)

Conditions:
trigger this issue by send an error indication from enodeb to SGW once the default bearer is established
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