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Enabling ISG to Interact with External Policy
Servers
First Published: March 20, 2006
Last Updated: June 19, 2009
Intelligent Services Gateway (ISG) is a Cisco IOS and Cisco IOS XE software feature set that provides
a structured framework in which edge devices can deliver flexible and scalable services to subscribers.
This document describes how to enable ISG to retrieve session policies or accept dynamic updates to
session policies from external policy servers.
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 Interaction with External Policy
Servers” section on page 8.
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 Interaction with External Policy Servers, page 2
• Restrictions for ISG Interaction with External Policy Servers, page 2
• Information About ISG Interaction with External Policy Servers, page 2
• How to Enable ISG to Interact with External Policy Servers, page 2
• Configuration Examples for ISG Interaction with External Policy Servers, page 6
• Additional References, page 6
• Feature Information for ISG Interaction with External Policy Servers, page 8
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