AAA Concepts and TACACS+ vs RADIUS

Introduction

In this lesson, we will explore Authentication, Authorization, and Accounting (AAA) concepts and compare TACACS+ and RADIUS protocols for device administration. Understanding these concepts is crucial for securing network access and managing user permissions effectively in a real-world environment.

Topology & Device Table

          +-------------------+
          |      DNAC         |
          |  10.10.101.250    |
          +-------------------+
                    |
                    |
          +-------------------+
          |       ISE         |
          |  10.10.101.239    |
          +-------------------+