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Configuring ISG as a RADIUS Proxy
First Published: December 5, 2006
Last Updated: November 25, 2009
Intelligent Services Gateway (ISG) is a Cisco XE software feature set that provides a structured
framework in which edge devices can deliver flexible and scalable services to subscribers. The ISG
RADIUS proxy feature enables ISG to serve as a proxy between a client device that uses RADIUS
authentication and an authentication, authorization, and accounting (AAA) server. When configured as
a RADIUS proxy, ISG is able to “sniff” (look at) the RADIUS packet flows and, on successful
authentication, it can transparently create a corresponding ISG session. This document describes how to
configure ISG as a RADIUS proxy.
Finding Feature Information
For the latest feature information and caveats, see the release notes for your platform and software
release. To find information about the features documented in this module, and to see a list of the releases in
which each feature is supported, see the “Feature Information for ISG RADIUS Proxy” section on page 17.
Use Cisco Feature Navigator to find information about platform support and Cisco IOS XE software
image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on
Cisco.com is not required.
Contents
• Prerequisites for ISG RADIUS Proxy, page 2
• Restrictions for ISG RADIUS Proxy, page 2
• Information About ISG RADIUS Proxy, page 2
• How to Configure ISG as a RADIUS Proxy, page 4
• Configuration Examples for ISG RADIUS Proxy, page 13
• Additional References, page 15
• Feature Information for ISG RADIUS Proxy, page 17
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