Using AAA to Verify Users

Unauthorized user access to a network creates the potential for network intruders to gain information or cause harm or both. Authorized users need access to their network resources, and network administrators need access to the network devices to configure and manage them. AAA offers a solution for both. In a nutshell, the goal of AAA is to identify who users are before giving them any kind of access to the network, and once they are identified, only give them access to the part they are authorized to use, see, or manage. AAA can create an audit trail that identifies exactly who did what and when they did it. That is the spirit of AAA. User accounts may be kept on the local database or on a remote AAA server. The local ...

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