ASN Gateway Overview
▀ Supported Features
▄ Cisco ASR 5000 Series Product Overview
OL-22938-02
Supported Diameter Methods
ASN Gateway supports the following Diameter methods for EAP authentication and authorization:
EAP-Authentication and Key Agreement (EAP-AKA)
EAP-AKA uses symmetric cryptography based on pre-shared private client/server keys and challenge-response
mechanisms similar to other EAP methods. It verifies credentials for users of Removable User Identity Modules (R-
UIMs).
WiMAX Prepaid Accounting
The system supports prepaid accounting for clients on the ASN Gateway.
Clients can communicate directly to a home AAA server or be proxied through a visited network‘s AAA server. The
following figure shows a typical prepaid network topology.
Figure 37.
Prepaid Network Topology
IP Network
ASN Gateway
Prepaid Client
Home Agent
(HA)
WiMAX
Prepaid User
WiMAX Base
Station
Home
AAA
Prepaid
Server
Summary of Contents for ASR 5000 Series
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