A-1
User Guide for Cisco Secure Access Control System 5.3
OL-24201-01
APPENDIX

A

AAA Protocols

This section contains the following topics:
•Typical Use Cases, page A-1
•Access Protocols—TACACS+ and RADIUS, page A-5
•Overview of TACACS+, page A-5
•Overview of RADIUS, page A-6

Typical Use Cases

This section contains the following topics:
•Device Administration (TACACS+), page A-1
•Network Access (RADIUS With and Without EAP), page A-2
Device Administration (TACACS+)
Figure A-1 shows the flows associated with device administration. The two primary triggers are:
•Session Access Requests (Device Administration [TACACS+]), page A-2.
•Command Authorization Requests, page A-2.
Figure A-1 Device Administration Flow
Host
Network device
12
4
ACS runtime
3
Identity
store
250850