RADIUS Attributes in Preauthentication Request

Table 6 describes the RADIUS IETF attributes that are always included in a preauthentication request to obtain the LLID. The attributes are listed in ascending order by standard number.

Table 6: RADIUS IETF Attributes in Preauthentication Request

Attribute Number

Attribute Name

Description

[1]

User-Name

Name of the user associated with the LLID, in the format:

NAS-Port:<NAS-IP-Address>:<Nas-Port-Id>

For example, nas-port:172.28.30.117:atm 4/1.104:2.104

[2]

User-Password

Password of the user to be authenticated; always set to “ juniper”

[4]

NAS-IP-Address

IP address of the network access server (NAS) that is requesting authentication of the user; for example, 172.28.30.117

[5]

NAS-Port

Physical port number of the NAS that is authenticating the user; this is always interpreted as a bit field

[6]

Service-Type

Type of service the user has requested or the type of service to be provided; for example, framed

[61]

NAS-Port-Type

Type of physical port the NAS is using to authenticate the user

[77]

Connect-Info

Actual user name; for example, jdoe@xyzcorp.east.com

[87]

NAS-Port-Id

Text string that identifies the physical interface of the NAS that is authenticating the user; for example, atm 4/1.104:2.104

The use of radius commands such as radius calling-station-format or radius override calling-station-id to control or change the inclusion of these attributes in the preauthentication request has no effect.

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