Selecting the Network Access Server
You also can create additional NASs or edit the current NAS settings in Cisco Secure ACS by
clicking the Network Configuration button in the Cisco Secure ACS main window.
Remember that the Cisco Secure ACS calls the NAS the “AAA client.” Figure 18-3 shows the
settings for the Security Appliance in the Cisco Secure ACS. Notice that the authentication
protocol has been changed from RADIUS to TACACS+.