Understanding AAA

Cisco divides AAA configuration into two categories. These categories are defined by what a user is attempting to access.

Administrative Access

As the name implies, administrative access deals with a network administrator who is attempting to access networking devices. When the administrator starts an application to access a router, does the administrator's session flow through the router being accessed or terminate at the router being accessed?

Obviously, if the admin wants to access a router, the administrator's session will terminate at the router so that the admin can access the router. Cisco has specific AAA commands that deal with sessions that terminate at the networking equipment.

Administrative access sessions terminate ...

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