What are the core components of Cisco TrustSec?

Cisco TrustSec is a security framework that uses identity to enforce policies. Its core components include Cisco Identity Services Engine (ISE), which acts as the policy decision point and central management platform. Network devices like switches, firewalls, and routers are crucial as they are the policy enforcement points (PEPs). They receive policy decisions from ISE and apply them to network traffic based on the identity of the user or device. Without these network devices, TrustSec policies cannot be enforced. Enterprise Directory Services (like Active Directory) are often integrated with ISE for identity sourcing but are not core components of TrustSec itself. TACACS+ is an authentication protocol that ISE can use, but it's not a core component of the TrustSec framework. Cisco ASA and Firepower Threat Defense are specific firewall products, not the general categories of network devices that form TrustSec's enforcement points.