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Cisco Bug: CSCuo08458 - [SGW] Inconsistent behavior in case of DBReq with Failed bearer context

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases


Description (partial)

Inconsistent behavior is observed when DBReq with Failed bearer context is received. DBResp Message is discarded which may cause bearer hanging at SGW.

1. MME sends DBCmd with multiple EBI.
2. Cisco SGW forwards the same to PGW.
3. PGW sends DBReq with failed bearer context.
4. SGW forwards the same to MME.
5. In response MME sends DBResp with only successful EBI.
6. Cisco SGW discards the message.
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