Refer to the exhibit.

Verify if the ClearPass supports RADIUS Dynamic Authorization for the Cisco IP Phones doing MAC.AUTH.

Verify if the Cisco IP Phone is actively connected to the switch to get the Cisco CoA options from ClearPass.

Verify if the Enable RADIUS Dynamic Authorization option is checked for the Cisco switch added under the network devices.

Verify that Cisco is chosen as the vendor name while adding the Cisco Switch under network devices.