Cisco Cisco Packet Data Interworking Function (PDIF)
MME Changes in Release 17
▀ MME Enhancements for 17.4
▄ Release Change Reference, StarOS Release 17
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MME Enhancements for 17.4
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 ASR 5x00 Command Line
Interface Reference for this release.
Interface 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 ASR 5x00 Statistics and
Counters Reference for this release.
fields in new or modified schema and/or show command output. For details, refer to the ASR 5x00 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
CSCur41900 - TAU Reject with EMS Cause #15 mapping instead of #19
Feature Changes
Target Access Restricted for the Subscriber Cause Code
This enhancement is a 3GPP TS (29.274 and 29.060) release compliance enhancement. As per 3GPP TS 29.274 and TS
29.060, the source-serving node (MME/SGSN) is allowed to reject SGSN Context Request (GTPv1) and Context
Request (GTPv2) mobility management messages with “Target Access Restricted for the subscriber” cause if target
access is restricted for the subscriber based on the Access-Restriction-Data in the subscription profile. The target node
(MME/SGSN) is allowed to reject RAU/TAU with anyone one of the following NAS Causes:
29.060, the source-serving node (MME/SGSN) is allowed to reject SGSN Context Request (GTPv1) and Context
Request (GTPv2) mobility management messages with “Target Access Restricted for the subscriber” cause if target
access is restricted for the subscriber based on the Access-Restriction-Data in the subscription profile. The target node
(MME/SGSN) is allowed to reject RAU/TAU with anyone one of the following NAS Causes:
#15 "No suitable cells in tracking area", or
#13 "Roaming not allowed in this tracking area", or
#12 "Tracking area not allowed"