Cisco Systems OL-4387-02 manual SSG Prerequisites, SSG Architecture Model, Internet, Gaming

Chapter 1 Service Selection Gateway Overview

SSG Prerequisites

SSG Prerequisites

The SSG feature has the following prerequisites:

•The Cisco 10000 series router must be running Cisco IOS Release 12.2(16)BX or later.

•The performance routing engine (PRE), part number ESR-PRE2 must be installed in the router chassis. The PRE performs all Layer 2 and Layer 3 packet manipulation related to routing and forwarding operations. Use the show version command to verify that you have the correct PRE version installed.

•If you want to perform Layer 3 service selection, you must install and configure the Cisco Subscriber Edge Services Manager (SESM) as described in the Cisco Subscriber Edge Services Manager and Subscriber Policy Engine Installation and Configuration Guide, Release 3.1(1).

For information about the prerequisites for a specific SSG feature, see the appropriate chapter in this guide.

SSG Architecture Model

Figure 1-2shows a Service Selection Gateway (SSG) model.

Figure 1-2 Service Selection Gateway Topology

	AAA	Directory
		Server
PC		SESM
DSL			Corporate
WAP			VPN
		SSG	Internet
GGSN
PDA
			Gaming
Wireless LAN		Open
Notebook		garden
Subscriber access media	Services selection		Services	97064

Cisco 10000 Series Router Service Selection Gateway Configuration Guide

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