Is it possible to disable TLSv1.0 for different traffics towards ClearPass?
Yes, TLS(Transport Layer Security) version 1.0 can be disable for Radius and WebUI traffic towards ClearPass server from the version 6.6.x and higher.
A new cluster-wide parameter "DisableTLSv1.0 support" is available under Administrator >> Server Manager >> Server Configuration >> Cluster-Wide Parameters >> General to disable TLSv1.0 support.
Select the options,
Admin to disable TLSv1.0 for WebUI.
Network to disable TLS1.0 for Radius.