Cisco Cisco Packet Data Gateway (PDG)
MME Changes in Release 17
MME Enhancements for 17.0 ▀
Release Change Reference, StarOS Release 17 ▄
291
MME Enhancements for 17.0
This section identifies all of the MME enhancements included in this release:
Feature Changes - new or modified features or behavior changes. For details, refer to the MME Administration Guide
for this release.
for this release.
Command Changes - changes to any of the CLI command syntax. For details, refer to the Command Line Interface
Reference for this release.
Reference for this release.
Performance Indicator Changes - new, modified, and deprecated bulk statistics, disconnect reasons, counters and/or
fields in new or modified schema and/or show command output. For details, refer to the Statistics and Counters
Reference for this release.
fields in new or modified schema and/or show command output. For details, refer to the Statistics and Counters
Reference for this release.
Important:
This release includes enhancements that are applicable to multiple products. The following lists the
various multi-product enhancements sections, some of which might include content applicable to your MME.
AAA Enhancements
CF Enhancements
ECS Enhancements
Firewall Enhancements
GTPP Enhancements
Lawful Intercept Enhancements
MVG Enhancements
NAT Enhancements
SNMP MIB Enhancements
System and Platform Enhancements
CSCua06554 - MME sends update bearer response reject when collision with
TAU
Feature Changes
New Reject Cause During UBR Collision
The MME now uses a different reject cause code to handle such error cases so that the P-GW can retry the failed
procedure.
procedure.
Old Behavior: The MME was rejecting an Update Bearer Request from the P-GW with cause
EGTP_CAUSE_NO_RESOURCES_AVAILABLE (0x49) when a Modify Bearer Request was already in progress.
EGTP_CAUSE_NO_RESOURCES_AVAILABLE (0x49) when a Modify Bearer Request was already in progress.
New Behavior: During this scenario, the MME will now reject the Update Bearer Request with the new cause
EGTP_CAUSE_TEMP_REJECTED_DUE_TO_HANDOVER_IN_PROGRESS. This instructs the P-GW to retry the
Update Bearer Request.
EGTP_CAUSE_TEMP_REJECTED_DUE_TO_HANDOVER_IN_PROGRESS. This instructs the P-GW to retry the
Update Bearer Request.