Configure Security Certificates | Cisco Systems 4.2 instruction

C H A P T E R 7

PEAP/EAP-TLS Configuration Scenario

You can select EAP-TLS as an inner method that is used within the tunnel that ACS establishes for PEAP authentication. If you select EAP-TLS, ACS can use it not only to encrypt the initial data sent through the PEAP protocol; but, once a secure tunnel is established between ACS and the NAD, to encrypt (for a second time) the data that is transmitted within the secure tunnel.

This enhanced encryption method greatly enhances the security of communications between ACS and the NAD.

Most customers who will use this feature are customers who use Microsoft supplicants.

Summary of Configuration Steps

To configure PEAP-TLS:

Step 1 Configure security certificates.

See Step 1: Configure Security Certificates, page 7-1for details.

Step 2 Configure global authentication settings.

See Step 2: Configure Global Authentication Settings, page 7-5for details.

Step 3 Specify EAP-TLS options.

See Step 3: Specify EAP-TLS Options, page 7-6for details.

The following sections provide more details about the previous steps.

Step 1: Configure Security Certificates

This section describes a simplified procedure for the ACS for Windows platform. For detailed information on installing certificates and for information on how to install certificates on the Cisco Secure ACS Solution Engine platform, see Chapter 9 of the User Guide for Cisco Secure ACS 4.2, “Advanced Configuration: Authentication and Certificates.”

Configuration Guide for Cisco Secure ACS 4.2

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4.2 specifications

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Cisco Systems 4.2 manual Configure Security Certificates, Configure global authentication settings

Models: 4.2