Understanding AAA

The wonderful AAA which in the Cisco world means, Authentication, Authorization, and Accounting but what does that really mean? In today’s post that’s what we are going to be talking about. What is AAA and what are the benefits of using it along with what is it?

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TACACS+ and RADIUS are both used to control access to network resources, but both of these protocols are different in how they operate depending how you want to secure your network. These protocols need to have (AAA) authentication, authorization, and accounting setup on the routers before you can set up these access server protocols. 

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