Extend cost-effective network admission control to branches and improve the security of the entire network with the Cisco NAC Network Module for Integrated Services Routers. This module brings Cisco NAC Appliance Server capabilities to Cisco 2800 and 3800 Series Integrated Services Routers. By extending the Cisco NAC Appliance portfolio of products to smaller locations, the Cisco NAC Network Module enables network administrators to manage a single device in the branch office for data, voice, and security requirements.