14
RADIUS attributes
Commonly used standard RADIUS attributes
No. Attribute
Description
1
User-Name
Name of the user to be authenticated.
2 User-Password
User password for PAP authentication, only present in Access-Request
packets when PAP authentication is used.
3 CHAP-Password
Digest of the user password for CHAP authentication, only present in
Access-Request packets when CHAP authentication is used.
4 NAS-IP-Address
IP address for the server to use to identify the client. Typically, a client is
identified by the IP address of its access interface. This attribute is only
present in Access-Request packets.
5
NAS-Port
Physical port of the NAS that the user accesses.
6 Service-Type
Type of service that the user has requested or type of service to be
provided.
7 Framed-Protocol Encapsulation protocol for framed access.
8
Framed-IP-Address
IP address assigned to the user.
11
Filter-ID
Name of the filter list.
12 Framed-MTU
MTU for the data link between the user and NAS. For example, with
802.1X EAP authentication, NAS uses this attribute to notify the server of
the MTU for EAP packets to avoid oversized EAP packets.
14
Login-IP-Host
IP address of the NAS interface that the user accesses.
15
Login-Service
Type of the service that the user uses for login.
18 Reply-Message
Text to be displayed to the user, which can be used by the server to
communicate information, for example, the reason of the authentication
failure.
26 Vendor-Specific
Vendor-specific proprietary attribute. A packet can contain one or more
proprietary attributes, each of which can contain one or more
subattributes.
27
Session-Timeout
Maximum service duration for the user before termination of the session.
28 Idle-Timeout
Maximum idle time permitted for the user before termination of the
session.
31 Calling-Station-Id
User identification that the NAS sends to the server. For the LAN access
service provided by an HPE device, this attribute includes the MAC
address of the user in the format HHHH-HHHH-HHHH.
32 NAS-Identifier
Identification that the NAS uses to identify itself to the RADIUS server.
40 Acct-Status-Type
Type of the Accounting-Request packet. Possible values include:
•
1
—Start.
•
2
—Stop.
•
3
—Interim-Update.
•
4
—Reset-Charge.
•
7
—Accounting-On. (Defined in the 3rd Generation Partnership
Project.)
•
8
—Accounting-Off. (Defined in the 3rd Generation Partnership
Project.)
•
9 to 14
—Reserved for tunnel accounting.
•
15
—Reserved for failed.
