Cisco Cisco Packet Data Gateway (PDG)
MME Changes in Release 17
▀ MME Enhancements for 17.2
▄ Release Change Reference, StarOS Release 17
282
CSCus50162 - QOS : Incorrect Reliability Class Mapping from QCI=5
Feature Changes
Improve Reliability Class Mapping
During handovers involving Inter-RAT, some UEs experienced issues with existing behavior, which required the UEs to
be powered off/on (reboot) to acquire service. Those issues should be resolved with the behavior changes identified
below.
be powered off/on (reboot) to acquire service. Those issues should be resolved with the behavior changes identified
below.
Previous Behavior: In situations where the SDU error ratio = 10*-6, the MME and SGSN each implemented QoS
mapping of reliability class =2.
mapping of reliability class =2.
New Behavior: The MME and SGSN behavior has been modified such that in situations where the SDU error ratio =
10*-6, the MME and SGSN each implement QoS mapping of reliability class =3.
10*-6, the MME and SGSN each implement QoS mapping of reliability class =3.