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Cisco Bug: CSCup92988 - HNBGW does not respond for TNL Update req

Last Modified

Dec 26, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.1.0

Description (partial)

Symptom:
Source-HNB and Target-HNB has aborted the Iurh-Relocation and cleaned -up the resources but Target-HNB didn't inform HNBGW that the ongoing Iurh-Relocation was Aborted.  Thus, HNBGW was maintaining the Iurh-Transient resources until Iurh-Reloc-Guard timer expiry. Hence, another TNL Update Request from same Target-HNB for the same UE-Context gets ignored because HNBGW already has allocated resources for this transient UE.

Conditions:
Iurh Relocation is ongoing for an UE and  in between it is  Cancelled or Aborted by involved HNB and immediately within Iurh-Reloc Guard timer expiry period, another Iurh TNL Update is initiated for the same UE-context by the same Tgt-HNB.
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