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Configuration on ISE: Go to Administration > Deployment > Select ISE, Then go to Profiling Configuration Tab and enable DHCP and click on save. Now enable CoA because by default it is disabled for this. Go to Administration > Setting > Choose Profiling then change CoA Type to Reauth.

The Identity Services Engine (ISE) Profiler is a built-in service in Cisco ISE that collects data from probes and other sources to build a profile of endpoints and applications on the network.

To enable the profiler service in Cisco ISE, you must an advanced license package on top of the base license. You can utilize all of the session services, including the Network Access, Posture, Guest, Client Provisioning, and profiler services, depending on your configuration on the nodes.

Profiling helps ISE to make decisions about how to handle the device based on its profile. Posturing: After profiling, ISE can enforce network access policies based on the profiled information. Posturing involves assessing the compliance of the device with certain security policies or requirements.

To enable client profiling, you must enable the DHCP required flag and disable the local authentication flag. Client profiling uses pre-existing profiles in the controller.

Profiler Probes in Cisco ISE Cisco ISE includes several types of profiler probes, including RADIUS, DHCP, and SNMP probes. RADIUS probes are used to gather information about devices that authenticate using RADIUS. DHCP probes are used to gather information about devices that obtain IP addresses using DHCP.

Cisco ISE Profiling Services provides dynamic detection and classification of endpoints connected to the network. Using MAC addresses as the unique identifier, ISE collects various attributes for each network endpoint to build an internal endpoint database.