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Cisco
Cisco Packet Data Gateway (PDG)
Guida Alla Risoluzione Dei Problemi
Cisco Cisco Packet Data Gateway (PDG) Guida Alla Risoluzione Dei Problemi
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Cisco ASR 5000 Series Packet Data Gateway/Tunnel Termination Gateway Administration Guide ▄
OL-22999-01
C
ONTENTS
About this Guide ................................................................................................. v
Conventions Used .................................................................................................................................................... vi
Contacting Customer Support ............................................................................................................................... viii
PDG/TTG Overview ............................................................................................. 9
Product Description ................................................................................................................................................ 10
Summary of TTG Features and Functions ......................................................................................................... 10
Product Specifications ............................................................................................................................................ 12
Licenses ............................................................................................................................................................. 12
Hardware Requirements .................................................................................................................................... 12
Platforms ....................................................................................................................................................... 12
Components .................................................................................................................................................. 12
Operating System Requirements ....................................................................................................................... 13
Network Deployment(s) and Interfaces .................................................................................................................. 14
The TTG in a GPRS/UMTS Data Network ....................................................................................................... 14
TTG Logical Network Interfaces (Reference Points) ........................................................................................ 15
Features and Functionality ..................................................................................................................................... 16
PDG Service ...................................................................................................................................................... 16
TTG Mode ......................................................................................................................................................... 17
IP Security (IPSec) Encryption .......................................................................................................................... 17
Multiple Digital Certificate Selection Based on APN ....................................................................................... 18
Subscriber Traffic Policing for IPSec Access .................................................................................................... 18
DSCP Marking for IPSec Access ...................................................................................................................... 19
WLAN Access Control ...................................................................................................................................... 20
RADIUS and Diameter Support ........................................................................................................................ 20
EAP Fast Re-authentication Support ................................................................................................................. 21
Pseudonym NAI Support ................................................................................................................................... 21
Multiple APN Support for IPSec Access ........................................................................................................... 21
Lawful Intercept ................................................................................................................................................ 22
IMS Emergency Call Handling ......................................................................................................................... 22
IPSec Session Recovery Support ....................................................................................................................... 22
Congestion Control ............................................................................................................................................ 23
Bulk Statistics .................................................................................................................................................... 24
Threshold Crossing Alerts ................................................................................................................................. 24
Features Not Supported in This Release ................................................................................................................. 26
How the PDG/TTG Works ..................................................................................................................................... 27
TTG Connection Establishment Call Flow ........................................................................................................ 27
Supported Standards ............................................................................................................................................... 31
3GPP References ............................................................................................................................................... 31
IETF References ................................................................................................................................................ 32
PDG/TTG Configuration ................................................................................... 33
Configuring the System to Perform as a TTG ........................................................................................................ 34
Required Information......................................................................................................................................... 34
Required Local Context Configuration Information ..................................................................................... 34
Required PDG Context Configuration Information ...................................................................................... 35
Required PDG Service Configuration Information ....................................................................................... 36
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