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Cisco
Cisco Packet Data Gateway (PDG)
для Cisco Cisco Packet Data Gateway (PDG)
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ePDG Administration Guide, StarOS Release 17 ▄
iii
CONTENTS
About this Guide ............................................................................................... vii
Conventions Used .................................................................................................................................. viii
Supported Documents and Resources ....................................................................................................ix
Related Common Documentation ....................................................................................................... ix
Related Product Documentation ......................................................................................................... ix
Obtaining Documentation .................................................................................................................... ix
Contacting Customer Support .................................................................................................................. x
Evolved Packet Data Gateway Overview ........................................................ 11
Product Description ................................................................................................................................ 12
Platform Requirements....................................................................................................................... 12
Licenses ............................................................................................................................................. 12
Network Deployment(s) and Interfaces .................................................................................................. 13
Network Elements .............................................................................................................................. 13
ePDG ............................................................................................................................................. 13
eNodeB .......................................................................................................................................... 14
MME ............................................................................................................................................... 14
S-GW ............................................................................................................................................. 14
P-GW ............................................................................................................................................. 14
3GPP AAA Server .......................................................................................................................... 14
HSS ................................................................................................................................................ 14
PCRF ............................................................................................................................................. 14
Logical Network Interfaces ................................................................................................................. 15
Transport Combinations ..................................................................................................................... 15
Features and Functionality ..................................................................................................................... 17
ePDG Service ..................................................................................................................................... 18
IKEv2 and IPSec Encryption .............................................................................................................. 18
Supported Algorithms .................................................................................................................... 18
x.509 Digital Certificate Handling ................................................................................................... 19
Timers ............................................................................................................................................ 19
Dead Peer Detection .......................................................................................................................... 20
Child SA Rekeying ............................................................................................................................. 20
Support for MAC Address of WiFi Access Points .............................................................................. 20
AAA Server Groups ............................................................................................................................ 20
EAP Authentication ............................................................................................................................ 20
IPv6 Capabilities ................................................................................................................................. 21
General Call Flow ............................................................................................................................... 21
P-GW Selection .................................................................................................................................. 24
Static Selection .............................................................................................................................. 24
Dynamic Selection ......................................................................................................................... 26
P-GW initiated bearer modification ................................................................................................ 27
Topology/Weight-based Selection ................................................................................................. 28
Dual Stack Support ............................................................................................................................ 28
Inter-access Handover Support ......................................................................................................... 29
Mobile Access Gateway Function ...................................................................................................... 29
IPv6 Router Advertisement Support ................................................................................................... 29
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