Cisco Cisco Packet Data Interworking Function (PDIF) Note De Mise
SGSN Changes in Release 15.0
▀ SGSN Enhancements for 15.0 MR6
▄ Cisco ASR 5x00 Release Change Reference
464
SGSN Enhancements for 15.0 MR6
This section identifies all of the SGSN enhancements included in this release:
Feature Changes - new or modified features or behavior changes. For details, refer to the SGSN 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 SGSN.
AAA Enhancements
CF Enhancements
ECS Enhancements
Firewall Enhancements
GTPP Enhancements
Lawful Intercept Enhancements
MVG Enhancements
NAT Enhancements
SNMP MIB Enhancements
System and Platform Enhancements
CSCur29374 - Service reject GMM casue 101 causing Service request loop
Feature Changes
GMM Cause Code for Service-reject in 3G is Modified
Previous Behavior: In certain scenario's like service-requests arriving from different RAI or service-request during
Inter-RAT at 2G and so on, the request is rejected with the GMM cause code “Message not compatible with the protocol
state (101)”.
Inter-RAT at 2G and so on, the request is rejected with the GMM cause code “Message not compatible with the protocol
state (101)”.
New Behavior: In above mentioned scenarios the service-reject is now sent with GMM cause code as “Implicitly
detached (10)”.
detached (10)”.
Customer Impact: Non-compliant mobile subscribers will not loop the service-requests, as a result it is observed that
the service-reject counter with GMM cause code “Message not compatible with the protocol state (101)” does not
increase.
the service-reject counter with GMM cause code “Message not compatible with the protocol state (101)” does not
increase.