Cisco ASR 5000 series Product Overview page 22

▀ Contents
Hardware Requirements .................................................................................................................................. 853
Platforms..................................................................................................................................................... 853
System Hardware Components ................................................................................................................... 853
Operating System Requirements ..................................................................................................................... 854
Network Deployment and Interfaces .................................................................................................................... 855
MME in the LTE/SAE Network ...................................................................................................................... 855
Supported Interfaces ........................................................................................................................................ 855
Features and Functionality - Base Software ......................................................................................................... 858
Subscriber Session Management Features ...................................................................................................... 858
EPS Bearer Context Support ...................................................................................................................... 858
NAS Protocol Support ................................................................................................................................ 859
EPS GTPv2 Support on S11 Interface ........................................................................................................ 860
Subscriber Level Session Trace .................................................................................................................. 860
Session and Quality of Service Management .................................................................................................. 862
Network Access Control Functions ................................................................................................................. 862
Authentication and Key Agreement (AKA) ............................................................................................... 862
HSS Support Over S6a Interface ................................................................................................................ 863
Network Entity Management .......................................................................................................................... 864
MME Selection ........................................................................................................................................... 864
Packet Data Network Gateway (P-GW) Selection ..................................................................................... 864
Serving Gateway (S-GW) Selection ........................................................................................................... 865
3GPP R8 Identity Support .......................................................................................................................... 865
Tracking Area List Management ................................................................................................................ 866
Reachability Management .......................................................................................................................... 866
Network Operation Management Functions .................................................................................................... 866
Overload Management in MME ................................................................................................................. 867
Radio Resource Management Functions .................................................................................................... 867
Mobile Equipment Identity Check .............................................................................................................. 867
Multiple PDN Support ................................................................................................................................ 868
System Management Features ......................................................................................................................... 868
Management System Overview .................................................................................................................. 868
Bulk Statistics Support ............................................................................................................................... 870
Threshold Crossing Alerts (TCA) Support ................................................................................................. 870
NAS Signalling Security ............................................................................................................................ 871
Features and Functionality - Licensed Enhanced Feature Software ..................................................................... 873
Session Recovery Support ............................................................................................................................... 873
License ........................................................................................................................................................ 874
IPv6 Support .................................................................................................................................................... 874
License ........................................................................................................................................................ 875
IP Security (IPSec) .......................................................................................................................................... 875
License ........................................................................................................................................................ 876
Lawful Intercept .............................................................................................................................................. 876
License ........................................................................................................................................................ 877
MME Inter-Chassis Session Recovery ............................................................................................................ 877
Web Element Management System ................................................................................................................. 878
How MME Works ................................................................................................................................................ 880
EPS Bearer Context Processing....................................................................................................................... 880
Purge Procedure .............................................................................................................................................. 880
Paging Procedure ............................................................................................................................................. 881
Subscriber Session Processing ........................................................................................................................ 881
Subscriber Registration Setup Procedure ........................................................................................................ 881
User-initiated Subscriber De-registration Setup Procedure ........................................................................ 883
Service Request Procedure .............................................................................................................................. 884
User-initiated Service Request Procedure .................................................................................................. 884
Network-initiated Service Request Procedure ............................................................................................ 886
Supported Standards............................................................................................................................................. 887
▄ Cisco ASR 5000 Series Product Overview
OL-22938-02