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Chapter 1 Overview of Cisco Secure ACS
Cisco Secure ACS Specifications
1-2
Cisco Secure ACS 3.0 for Windows 2000/NT Servers User Guide
78-13751-01, Version 3.0
Figure 1-1 A Simple AAA Scenario
Cisco Secure ACS helps centralize access control and accounting, in addition to
router and switch access management. With Cisco Secure ACS, network
administrators can quickly administer accounts and globally change levels of
service offerings for entire groups of users. Although the external user database
shown in Figure 1-1 is optional, support for many popular user repository
implementations enables companies to put to use the working knowledge gained
from and the investment already made in building their corporate user
repositories.
Cisco Secure ACS supports Cisco AAA clients such as the Cisco 2509, 2511,
3620, 3640, AS5200 and AS5300, AS5800, the Cisco PIX Firewall, Cisco
Aironet Access Point wireless networking devices, Cisco VPN 3000
Concentrators, and Cisco VPN 5000 Concentrators. It also supports third-party
devices that can be configured with the Terminal Access Controller Access
Control System (TACACS+) or the Remote Access Dial-In User Service
(RADIUS) protocol. Cisco Secure ACS treats all such devices as AAA clients.
Cisco Secure ACS uses the TACACS+ and RADIUS protocols to provide AAA
services that ensure a secure environment. For more information about support for
TACACS+ and RADIUS in Cisco Secure ACS, see the “AAA
Protocols—TACACS+ and RADIUS” section on page 1-5.
Cisco Secure ACS Specifications
This section provides information about Cisco Secure ACS performance
specifications and the Windows services that compose Cisco Secure ACS.
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End-user client AAA client
Cisco Secure
Access Control Server
External user
database