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Self-Defending Networks: The Next Generation of Network Security by Duane De Capite

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Chapter 7. Network Admission Control Appliance

In Chapter 6 you learned about the Network Admission Control (NAC) framework that is implemented with Cisco IOS routers and Catalyst LAN switches. Because NAC Framework is implemented with routers and switches, it leverages the existing network infrastructure.

This chapter describes the NAC appliance, which is also marketed as Cisco Clean Access (CCA). The NAC appliance offers a dedicated NAC deployment option that provides admission control functions including authentication, posture validation, and remediation. The NAC appliance is composed of a server and manager component. The NAC appliance server implements the admission control features, whereas the NAC appliance manager configures the policies ...

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