Cisco Bug: CSCuo97721 - HNBGW trigger PS RabRel during Muti-RAB?PS handover
Feb 07, 2017
- Cisco ASR 5000 Series
Known Affected Releases
15.0(16) 15.0(930) 17.0
Symptom: There is a situation during intra-hnbgw-hand-off (srns relocation) where we see that SGSN is using the same GTPU endpoint for the new session towards tgt-HNB, as present in the existing tunnel towards the src-HNB. As a result, for the duration of hand-off procedure, HNBGW has 2 tunnels which have 2 different local GTPU endpoints but the same peer endpoint. This results into the first tunnel getting deleted as a result of duplicate peer detection by gtpumgr. Conditions: This issue will be observed during the SRNS based Relocation where the SGSN is filling the same GTPU endpoint in the Relocation Request as present in the Src-HNB side GTPU tunnel.
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