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MME Changes in Release 15.0
MME Enhancements for October 31, 2014 ▀
Cisco ASR 5x00 Release Change Reference ▄
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By default, the MME accepts GBR and Non-GBR dedicated bearers.
accept
: The MME will accept GBR/Non-GBR dedicated bearers.
reject
: The MME will reject GBR/Non-GBR dedicated bearers.
The MME differentiates GBR and Non-GBR dedicated bearers as follows: GBR Bearers - QCI value ranges
from 1 to 4; Non-GBR bearers - QCI value ranges from 5-9.
In the case of a UE-initiated Bearer Resource Allocation Reject, the ESM cause “EPS QOS not accepted” is used
and the corresponding MME bulk statistic is incremented.
In the case of a Create Bearer Request Reject, the EGTP cause “Service denied” is used and the corresponding
EGTP bulk statistic is incremented.
Performance Indicator Changes
show apn-profile full name <profile_name>
This command has been updated as highighted below to display the configuration of the
qos pgw-upgrade
and
dedicated-bearers
commands.
APN Type : Unknown
QOS upgrade from PGW for non-gbr
Action : accept/reject/locally-cap/Not Configured
Dedicated bearers
GBR : accept/reject/Not Configured
Non-GBR : accept/reject/Not Configured
show session disconnect-reasons verbose
The following disconnect reason is included in the output of this command. It tracks disconnects when a QoS upgrade
by P-GW is rejected by the MME during initial attach.
by P-GW is rejected by the MME during initial attach.
mme-qos-pgw-upgrade-reject(589)
CSCup23821 - NPUMGR Restart causing MME enB SCTP failures and impact to
SGs/S1AP
Feature Changes
Statistics and Counters Enhancements
New counters have been added to to the output of the
show session subsystem facility mmemgr
command to
display specific packet drop reasons at the MMEMgr.