Cisco® Secure Internet Security Solutions

Network Access Server Configuration

The previous section covered the basic configuration tasks required for the Cisco Secure ACS server. The ACS server acts as the authentication server, regardless of whether you use RADIUS or TACACS+ as the authentication protocol. The other required configuration task relates to the authentication client; again this is regardless of whether you choose RADIUS or TACACS+ as the authentication protocol.

The title given to these clients is usually network access servers. The NAS is usually an internetworking device capable of terminating many inbound connections. These can be dial-based connections over the PSTN or ISDN (BRI and PRI) or fixed, WAN-interconnect-based connections between corporate sites. AAA services ...