18.10. Cisco's Network Admission Control

Cisco's Network Admission Control (NAC) is Cisco's network access control product. Cisco offers two solutions:

• Cisco NAC Appliance (Clean Access): An inline appliance that's responsible for authenticating users, scanning endpoints, and enforcing access control policies

• The Network Admission Control framework: Allows integration and enforcement, typically via 802.1X, across existing network and security devices in the network