Billing Record Transfer; Lawful Intercept Support; D-Ewag + R-Ewag Combo Deployment - Cisco ASR 5000 Administration Manual
Enhanced wireless access gateway
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Also See for ASR 5000:
- Administration manual (466 pages) ,
- Installation manual (294 pages) ,
- Installation procedure (8 pages)
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▀ Product Overview
Abnormal releases due to multiple software failures.
UE-initiated DHCP release
AAA-initiated call disconnect
WLC-initiated call termination
Triggers for S-CDR Charging Information Addition
The "List of Traffic Volumes" attribute of the S-CDR consists of a set of containers, which are added when specific
trigger conditions are met, and identify the volume count per PDP context, separated for uplink and downlink traffic, on
encountering that trigger condition.
Billing Record Transfer
The S-CDR generated can either be stored on Hard Disk (GSS) or can be transferred to the CGF. Local storage is also
available. Gz/Wz is the offline charging interface (CDR-based) between the GSN and the CGF. The D-eWAG supports
both GSS and GTPP-based record transfer.
Lawful Intercept Support
The Lawful Intercept (LI) functionality provides network operators the ability to intercept control and data messages of
suspicious subscribers. The ASR5000 chassis provides a proprietary interface to third-party Mediation Function (MF) or
Delivery Function (DF), and supports LI for D-eWAG.
For more information on LI support, contact your accounts representative.
D-eWAG + R-eWAG Combo Deployment
Important:
supported, it is available only for lab testing purposes.
The D-eWAG and R-eWAG services can be deployed on the same chassis. This is possible because R-eWAG operates
based on APN profile and D-eWAG operates based on subscriber-template. This clearly separates the user profile
selection process for these services without affecting each others configurations.
The only known restriction is that both these services cannot be configured in the same context. Also, note that the
context-replacement issue at GGSN due to same IMSI+NSAPI will not be the issue in R-eWAG + D-eWAG combo
setup as the UE can attach to only one WLAN at a time. Thus, it cannot connect through both R-eWAG and D-eWAG
at the same time.
Important:
deployments NAT is required for R-eWAG, it must be ensured that NAT policy is not configured for D-eWAG ECS
session.
▄ Cisco ASR 5000 Enhanced Wireless Access Gateway Administration Guide
88
In this release, the D-eWAG + R-eWAG combo deployment option is not qualified and is not
In this release, NAT policy must not be configured for D-eWAG. In D-eWAG + R-eWAG combo
DHCP-based Enhanced Wireless Access Gateway Overview
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