# 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.

For more information about these attributes, see RADIUS IETF Attributes.