Cisco Systems have the NAC solution named as Cisco ISE. Cisco ISE stands for Identity Services Engine (ISE) policy server and is RADIUS-based, which enables Cisco to support authentication in heterogeneous network infrastructure environments.

What is the difference between NAC and ISE?

ISE consolidates hardware in most cases. The average NAC deployment uses a CAM, CAS, Profiler and Guest server plus double everything for high availability. The average ISE deployment can just be one ISE server with a second appliance for high availability to accomplish the same thing as the NAC deployment.

What is Cisco ISE?

The Cisco Identity Services Engine (ISE) is a next-generation identity and access control policy platform that provides a single policy plane across the entire organization combining multiple services, including authentication, authorization, and accounting (AAA) using 802.1x, MAB, web authentication, posture, ...