Operating System Requirements ..................................................................................................................... 476
Network Deployment(s) and Interfaces ................................................................................................................ 477
The TTG in a GPRS/UMTS Data Network ..................................................................................................... 477
Features and Functionality ................................................................................................................................... 479
PDG Service .................................................................................................................................................... 479
TTG Mode ....................................................................................................................................................... 480
IKEv2 and IP Security (IPSec) Encryption ..................................................................................................... 480
Subscriber Traffic Policing for IPSec Access .................................................................................................. 481
DSCP Marking for IPSec Access .................................................................................................................... 482
WLAN Access Control .................................................................................................................................... 483
RADIUS and Diameter Support ...................................................................................................................... 483
Pseudonym NAI Support ................................................................................................................................. 484
Multiple APN Support for IPSec Access ......................................................................................................... 484
Lawful Intercept .............................................................................................................................................. 485
IMS Emergency Call Handling ....................................................................................................................... 485
IPSec Session Recovery Support ..................................................................................................................... 485
Congestion Control .......................................................................................................................................... 486
Bulk Statistics .................................................................................................................................................. 487
Threshold Crossing Alerts ............................................................................................................................... 487
How the PDG/TTG Works ................................................................................................................................... 490
TTG Connection Establishment....................................................................................................................... 490
Supported Standards ............................................................................................................................................. 494
3GPP References ............................................................................................................................................. 494
IETF References .............................................................................................................................................. 495
PDN Gateway Overview .................................................................................. 497
eHRPD Network Summary .................................................................................................................................. 498
eHRPD Network Components ......................................................................................................................... 499
Evolved Access Network (eAN) ................................................................................................................. 499
Evolved Packet Control Function (ePCF) ................................................................................................... 500
HRPD Serving Gateway (HSGW) .............................................................................................................. 500
SAE Network Summary ....................................................................................................................................... 501
E-UTRAN EPC Network Components ........................................................................................................... 502
eNodeB ....................................................................................................................................................... 503
Mobility Management Entity (MME) ......................................................................................................... 503
Serving Gateway (S-GW) ........................................................................................................................... 504
PDN Gateway (P-GW) ............................................................................................................................... 504
Product Description .............................................................................................................................................. 505
Product Specifications .......................................................................................................................................... 508
Licenses ........................................................................................................................................................... 508
Hardware Requirements .................................................................................................................................. 508
Platforms ..................................................................................................................................................... 508
Components ................................................................................................................................................ 508
Operating System Requirements ..................................................................................................................... 509
Network Deployment(s) ....................................................................................................................................... 510
PDN Gateway Supporting eHRPD to E-UTRAN/EPC Connectivity .............................................................. 510
Supported Logical Network Interfaces (Reference Points) ......................................................................... 511
Features and Functionality - Base Software ......................................................................................................... 523
Subscriber Session Management Features ....................................................................................................... 523
IPv6 Capabilities ......................................................................................................................................... 523
OL-22938-02
Cisco ASR 5000 Series Product Overview ▄
Contents ▀