The profiling service probes collect attributes of endpoints, while the profile policies are similar to signatures, which define the endpoint profiles themselves. For example, to match an Apple-Device profile, the endpoint must have a MAC address beginning with Apple’s OUI.
Each endpoint profile policy defines a set of attributes that must be matched for a device to be classified as that endpoint type. ISE has a large number of predefined profile policies, and you have just read about the feed service that’s used to update those policies and provide new ones.
The endpoint profile policies can be viewed by navigating to Policy > Profiling, as shown in Figure 15-24.
Each profile is ...