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Cisco Bug: CSCup68259 - Issue with processing of RECOVERY IE in across s11

Last Modified

Dec 24, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases


Description (partial)

1. Attach a subscriber .. When mme contacts sgw for the first time .. it sends Recovery IE value of 50 in create session response message . 
2. After a few secs , attach another subscriber .. Sgw sends recovery IE value of 49 in the message . 
MME clears the previous subscriber ( assuming path failure ).

If the value of a Restart counter previously stored for a peer is larger than the Restart counter value received in the Echo Response message or the GTP-C message, taking the integer roll-over into account, this indicates a possible race condition (newer message arriving before the older one). The received new Restart counter value shall be discarded and an error may be logged.

Lesser Recovery value being received by MME for a peer whose previously stored Recovery value is more ..
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