Figure 4 Sequence Diagram For Network Access Using Aaa - Aruba Networks PowerConnect W Clearpass 100 Software Deployment Manual

Figure 4 Sequence diagram for network access using AAA

In the standard AAA framework, network access is provided to a user according to the following process:
The user connects to the network by associating with a local access point [1].

A landing page is displayed to the user

name and password of their guest account.
The NAS authenticates the user with the RADIUS protocol [5].
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ClearPass Guest determines whether the user is authorized, and, if so, returns vendor-specific attributes

[6] that are used to configure the NAS based on the user's role [7].
If the user's access is granted, the NAS permits the guest access to the network based on the settings

provided by the ClearPass Guest server.
The NAS reports details about the user's session to the ClearPass Guest server using RADIUS

accounting messages [8].
After the user's session times out [9], the NAS will return the user to an unauthorized state and finalize
the details of the user's session with an accounting update [10].
26 | Management Overview
[2] which allows them to log into the NAS [3], [4] using the login
ClearPass Guest 3.9 | Deployment Guide