Cisco ASR 5000 Administration Manual page 4

▀ Contents
GTP Tunnel Setup Failure ............................................................................................................. 38
Session Update .................................................................................................................................. 39
WLC-initiated Accounting Interim ................................................................................................... 40
GGSN-initiated Update PDP Context ............................................................................................ 40
Session Teardown .............................................................................................................................. 41
UE Detach - Accounting Stop ........................................................................................................ 41
GGSN-initiated DPC ...................................................................................................................... 42
eWAG Timeouts/Admin Disconnect ............................................................................................... 43
Dependencies and Limitations................................................................................................................ 44
eWAG + GGSN Combo Deployments ............................................................................................... 44
Virtual APN Configuration in R-eWAG + GGSN Combo Deployments ......................................... 44
eWAG + TTG Combo Deployments ................................................................................................... 45
SGTP Service Configuration in R-eWAG + TTG Combo Deployments ........................................ 45
eWAG + TTG + GGSN Combo Deployments .................................................................................... 46
Mobility Setup Considerations ............................................................................................................ 46
3G-eWAG-TTG Mobility using Proxy-MIP at GGSN ...................................................................... 46
RADIUS-based Enhanced Wireless Access Gateway Configuration .......... 47
Before You Begin .................................................................................................................................... 48
R-eWAG Configuration ........................................................................................................................... 49
Creating and Configuring the R-eWAG Service ................................................................................. 49
Creating the R-eWAG Service ....................................................................................................... 49
Configuring the R-eWAG Service .................................................................................................. 50
Configuring the APN ........................................................................................................................... 53
Configuring the SGTP Service ........................................................................................................... 54
Configuring NAT/ALG Support ........................................................................................................... 55
Configuring ECS Rulebase with Firewall-and-NAT Policy ............................................................. 55
Configuring APN with Firewall-and-NAT Policy ............................................................................. 55
Configuring Routing Rules and NAT ALG ...................................................................................... 55
Additional Configurations ................................................................................................................... 58
Configuring Access Lists ................................................................................................................ 58
Configuring Bulk Statistics ............................................................................................................. 58
Configuring Congestion Control ..................................................................................................... 59
Configuring Offline Charging for R-eWAG ..................................................................................... 60
Configuring Session Recovery ....................................................................................................... 61
R-eWAG Administration .......................................................................................................................... 63
Logging Support ................................................................................................................................. 63
Protocol Monitoring Support ............................................................................................................... 63
Monitor Protocol ............................................................................................................................. 63
Monitor Subscriber ......................................................................................................................... 64
Gathering R-eWAG-related Statistics and Information ...................................................................... 64
DHCP-based Enhanced Wireless Access Gateway Overview ..................... 67
Product Overview ................................................................................................................................... 68
Deployment Models ............................................................................................................................ 69
3G-SSID ............................................................................................................................................. 69
Association Process ........................................................................................................................... 70
802.1x EAP-SIM/AKA Authentication Process ................................................................................... 70
IP Address Allocation Process ........................................................................................................... 70
Data Traffic between WLAN and 3G Network .................................................................................... 71
D-eWAG as First-Hop Router to WLAN Network ............................................................................... 71
D-eWAG as Default Gateway ............................................................................................................. 71
APN Selection .................................................................................................................................... 71
D-eWAG Service in the ASR5000 Chassis ........................................................................................ 72
WLC - D-eWAG Interface ................................................................................................................... 72
▄ Cisco ASR 5000 Enhanced Wireless Access Gateway Administration Guide
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