АМАТЕК AN-SGM28P24-400 [177/322] Protocol flow interaction

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response package of the authentication system, which indicates that the billing information has

been received。

11.2.2 Protocol flow interaction

When the user initiates authentication, the authentication system and the authentication server

interact with each other through the RADIUS protocol. The authentication system does not send

the protocol flow of the RADIUS billing package as the diagram below. Generally, when the user

authentication is successful or the user is offline, the authentication system needs to send the

RADIUS billing package to the authentication server, and the protocol flow interaction is shown

in the following picture。

Authenticate user, switch package in the Access-Request message sent to the user name

authentication server, the server in response to Access-Challenge request user password switch

request client user password, the password to the client in the EAP packaging, a switch gets to this

EAP encapsulated in Access-Request to the authentication server authenticates the user

authentication server, if authentication is successful, echo Access-Accept to the switch, the switch

receives this message to inform the client authentication is successful, and sends the

Accounting-Request notification authentication server to start billing, authentication server