Chapter 9

Cisco Authentication, Authorization, and Accounting Mechanisms


Authentication, authorization, and accounting (AAA) is an architectural framework for providing the independent but related functions of authentication, authorization, and accounting, and is critical to providing secure remote access to both network devices and resources. The AAA framework typically consists of both a client and a server. The AAA client (for example, a router or network access server (NAS)) requests authentication, authorization, and/or accounting services from a AAA server (for instance, a UNIX or ...

Get Managing Cisco Network Security, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.