Cisco Cisco Packet Data Gateway (PDG)

▀ Contents

▄ ePDG Administration Guide, StarOS Release 17

DNS Request Support ........................................................................................................................ 30

P-CSCF Request Support .................................................................................................................. 30

Multiple PDN Support ......................................................................................................................... 31

Default APN Support .......................................................................................................................... 31

Congestion Control ............................................................................................................................. 31

Session Recovery Support ................................................................................................................. 33

ICSR Support ..................................................................................................................................... 33

P-GW selection ................................................................................................................................... 34

S2b GTPv2 support ............................................................................................................................ 34

DSCP and 802.1P Marking ................................................................................................................ 36

IPSec Cookie Threshold ..................................................................................................................... 36

Threshold Crossing Alerts .................................................................................................................. 37

Bulk Statistics Support........................................................................................................................ 38

IKEv2 RFC 5996 Support ................................................................................................................... 38

IPv6 support on IPSec SWU interface ............................................................................................... 39

Narrowing traffic selectors .................................................................................................................. 39

Static IP address allocation Support .................................................................................................. 40

ePDG and PGW support on the same chassis(with GTPv2) ............................................................. 42

ICSR-VoLTE Support ......................................................................................................................... 42

Local PGW Resolution Support .......................................................................................................... 42

Non UICC device support using certificate based authentication ...................................................... 43

EAP-MSCHAPv2/EAP-TLS/EAP-TTLS based support for NON UICC devices ................................ 46

Emergency APN support on ePDG .................................................................................................... 55

Passing on UE tunnel Endpoint Address over SWm support ............................................................ 56

How the ePDG Works ............................................................................................................................. 57

ePDG Session Establishment ............................................................................................................ 57

UE-initiated Session Disconnection ................................................................................................... 60

ePDG-initiated Session Disconnection ............................................................................................... 62

P-GW-initiated Session Disconnection ............................................................................................... 63

WiFi-to-WiFi Re-Attach with same ePDG ........................................................................................... 64

WiFi to LTE Handoff with Dedicated Bearer (UE initiated) ................................................................. 68

LTE to WiFi Hand Off - With Dedicated bearer (UE initiated) ........................................................... 71

Supported Standards .............................................................................................................................. 75

3GPP References ............................................................................................................................... 75

IETF References ................................................................................................................................ 75

Configuring the Evolved Packet Data Gateway ............................................. 77

Configuring the System to Perform as an Evolved Packet Data Gateway ............................................. 78

Required Information .......................................................................................................................... 78

Required Local Context Configuration Information ........................................................................ 78

Required Information for ePDG Context and Service Configuration ............................................. 79

Required Information for Egress Context and MAG Service Configuration ................................... 80

Required Information for Egress Context and EGTP Service Configuration ................................. 81

Evolved Packet Data Gateway Configuration .................................................................................... 82

Initial Configuration ............................................................................................................................. 82

Modifying the Local Context ........................................................................................................... 83

ePDG Context and Service Configuration .......................................................................................... 84

Creating the ePDG Context ........................................................................................................... 84

Creating the ePDG Service ............................................................................................................ 87

Egress Context and MAG Service Configuration ............................................................................... 89

Configuring the Egress Context and MAG Service ........................................................................ 89

Egress Context and EGTP Service Configuration ............................................................................. 90

Configuring the Egress Context and EGTP Service ...................................................................... 91

Bulk Statistics Configuration ............................................................................................................... 92

Logging Configuration ........................................................................................................................ 93