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What are the scenarios or use cases in which we can have multiple Gx Session for same APN?

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What are the scenarios or use cases in which we can have multiple Gx Session for same APN?
posted Sep 8, 2015 by Akriti

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1 Answer

+1 vote

A user can have 2 Gx session for 1 user only in case of multiple pdn connection. Like 1st one where UE is given IPv4 address and in the next one UE requests IPv6 address

answer Mar 30, 2016 by Peeyush Sharma
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+1 vote

Can we have a live scenario wherein PCRF gets multiple attach request(CCR-I) where only the Framed-IP-Address and Session-Id are different but Subscriber-Id information and APN remain same? From network point of view, what can be the use case for this?

+1 vote

I am trying to handle all the error scenarios seen while testing the Gx with the third party. As of now I had coded for just the successful scenarios.

I am looking for some of inputs on these error scenarios and how to proceed and exit gracefully (rather than crashing the code)

  • Dynamic rule config with wrong parameters., PGW sends CCR with the CCR type=TERMINATION_REQUEST. How can PCRF respond (just log error and comeout ?)

  • Static rule config with the "wrong rule name". When the PCRF sends CCA-I with the wrong rule name, PGW sends CCR-U with the Charging Rule Report with the "Rule-Failure-Code" as "Unknown Rule Name". In this case remove those rules and continue OR just comeout with just logging error)

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