Cisco Access Control Security: AAA Administrative Services

Chapter 13. Exploring TACACS+ Attribute Values

In this chapter, you learn the following topics:

• How to identify AV pairs

• The attributes of TACACS+ pairs

• Work with an AV pair example

• Understand AV pairs in the ACS interface

Terminal Access Controller Access Control System Plus (TACACS+) as well as the RADIUS protocol use attributes in the messages that are passed between the Access Control Server (ACS) and the authentication, authorization, and accounting (AAA) client. In the next sections, you see what these TACACS+ attributes and values are. It can help to get a better understanding of how Attribute-Value (AV) pairs work, as well as the use of this terminology.

TACACS+ AV Pairs Overview

All TACACS+ values are strings. For the most part, it is very simple ...