Ssg Prerequisites; Ssg Architecture Model - Cisco OL-4387-02 Configuration Manual

SSG Prerequisites

SSG Prerequisites
The SSG feature has the following prerequisites:
•
•
•
For information about the prerequisites for a specific SSG feature, see the appropriate chapter in this
guide.

SSG Architecture Model

Figure 1-2
Figure 1-2
Notebook
Subscriber access media
Cisco 10000 Series Router Service Selection Gateway Configuration Guide
1-6
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
Manager and Subscriber Policy Engine Installation and Configuration Guide, Release
shows a Service Selection Gateway (SSG) model.
Service Selection Gateway Topology
PC
DSL
WAP
GGSN
PDA
Wireless LAN
Chapter 1
AAA Directory
Server
SESM
SSG
Open
garden
Services selection
Service Selection Gateway Overview
Cisco Subscriber Edge Services
3.1(1).
Corporate
VPN
Internet
Gaming
Services
OL-4387-02