HP V1910 manual Radius packet format, Main values of the Code field, Code Packet type Description

Table 129 The RADIUS server returns a stop-accounting response (Accounting-Response) and stops accounting for the user.

Table 130 The user stops access to network resources.

RADIUS packet format

RADIUS uses UDP to transmit messages. It ensures the smooth message exchange between the RADIUS server and the client through a series of mechanisms, including the timer management mechanism, retransmission mechanism, and slave server mechanism.

a.RADIUS packet format

Descriptions of the fields are as follows:

Table 131 The Code field (1-byte long) indicates the type of the RADIUS packet.

2.Main values of the Code field

Code	Packet type	Description
		From the client to the server. A packet of this type carries user
1	Access-Request	information for the server to authenticate the user. It must contain the
		User-Name attribute and can optionally contain the attributes of
		NAS-IP-Address, User-Password, and NAS-Port.
		From the server to the client. If all the attribute values carried in the
2	Access-Accept	Access-Request are acceptable, that is, the authentication succeeds,
		the server sends an Access-Accept response.
		From the server to the client. If any attribute value carried in the
3	Access-Reject	Access-Request is unacceptable, the server rejects the user and sends
		an Access-Reject response.
		From the client to the server. A packet of this type carries user
4	Accounting-Request	information for the server to start/stop accounting for the user. It
		contains the Acct-Status-Type attribute, which indicates whether the
		server is requested to start the accounting or to end the accounting.
		From the server to the client. The server sends to the client a packet of
5	Accounting-Response	this type to notify that it has received the Accounting-Request and has
		correctly started recording the accounting information.