Because PEAP and EAP-TLS uses certificates for authentication and setting
up a secure tunnel between Supplicant and Authentication Server. Google for:

Network Admission Control (NAC) Framework Deployment Guide

Network Admission Control (NAC) Framework Configuration Guide

Regards,
Piotr




2011/11/26 HA Ali <[email protected]>

>
> In ACS when I enable Posture Validation in System Configuration it gives
> me following error
>
>
> Failed to initialize PEAP or EAP-TLS authentication protocol because ACS
> certificate is not installed .
>
>
> I want to know why do we require to install a Certificate on the ACS ? Is
> there a good resource book for little NAC part in CCIE Security ?
>
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_______________________________________________
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www.ipexpert.com

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www.PlatinumPlacement.com

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