To implement Dynamic User Roles (DUR) with Aruba ClearPass, an HTTPS certificate must be configured. This certificate enables secure communication between ClearPass and the Aruba CX switches for role downloading and authentication.
RadSec service enables secure RADIUS but is unrelated to DUR certificates.
Admin user roles and RADIUS dictionary attributes are necessary but secondary to certificate requirements.
[References:, , Aruba ClearPass and DUR Implementation Guide, , HPE Aruba Security Best Practices, , ArubaOS-CX Authentication and Certificate Management Documentation]
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