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Cisco Bug: CSCvj09057 - PGW detect wrong RAI change event trigger when ULI change from CGI+RAI to CGI

Last Modified

Jan 10, 2019

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.10.0 21.10.a0 21.11.0 21.5.15 21.5.4

Description (partial)

PGW sending CCR-U with Event-trigger RAI change and without RAI info AVP and PCRF is rejecting the CCR-U .

Its identified below scenario we hit the problem 

1.    UE attached to 4G  
2.    UE moved to S4SGSN 
SGSN send both CGI + RAI in MBR request 
3.    UE stayed in S4SGSN .
4.    S4SGSN send MBC and PGW initiate UBR request .
5.    In UBResponse S4SGSN send ULI only with CGI 
6.    We can see PGW is sending CCR-U with both RAI + User-Location change event trigger and send only CGI info and no RAI info
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