Table Of Contents - Cisco ASR 5000 Administration Manual

CONTENTS
About this Guide ................................................................................................. v
Conventions Used .................................................................................................................................... v
Contacting Customer Support ..................................................................................................................vi
Additional Information ...............................................................................................................................vi
Enhanced Wireless Access Gateway Overview .............................................. 7
Introduction ............................................................................................................................................... 8
Product Overview ..................................................................................................................................... 8
Platform Requirements......................................................................................................................... 9
License Requirements.......................................................................................................................... 9
Supported Standards ........................................................................................................................... 9
Network Deployments and Network Interfaces .................................................................................. 10
Network Deployments .................................................................................................................... 10
Network Interfaces ......................................................................................................................... 10
Feature Description ................................................................................................................................ 11
UE Identity and Location Information Support ................................................................................... 11
RADIUS AAA Support ........................................................................................................................ 11
Control and Data Interfaces ........................................................................................................... 12
IP Address Allocation ..................................................................................................................... 13
Network Layer Service Access Point Identifier Allocation ............................................................. 13
Routing Area Identification Encoding ............................................................................................. 13
Differentiated Services Code Point Marking ...................................................................................... 13
Access Point Name Selection ............................................................................................................ 14
Quality of Service Profile Selection .................................................................................................... 15
GGSN Selection ................................................................................................................................. 15
GGSN Failover Case.......................................................................................................................... 15
Network Address Translation and Application Level Gateway Support ............................................. 16
Virtual APN Support ........................................................................................................................... 16
UE Identity and Location Information Support ................................................................................... 17
UE Identity Information Support ..................................................................................................... 17
UE Location Information Support ................................................................................................... 17
Bulk Statistics Support ....................................................................................................................... 18
Threshold Crossing Alerts Support .................................................................................................... 18
Congestion Control Support ............................................................................................................... 19
Redundancy Support.......................................................................................................................... 20
How it Works .......................................................................................................................................... 21
Session Setup .................................................................................................................................... 21
Session Setup using Accounting-Interim ....................................................................................... 24
Session Replacement ........................................................................................................................ 27
Session Setup Failure ........................................................................................................................ 28
Mandatory AVP Missing / No Resource ........................................................................................ 29
GTP Tunnel Setup Failure ............................................................................................................. 30
Session Update .................................................................................................................................. 31
WLC-initiated Accounting Interim .................................................................................................. 31
GGSN-initiated Update PDP Context ............................................................................................ 32
Session Teardown ......................................................................................................................... 33
Dependencies and Limitations ............................................................................................................... 36
OL-28188-02
Cisco ASR 5000 Enhanced Wireless Access Gateway Administration Guide ▄
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