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Extended RADIUS attributes
The RADIUS protocol features excellent extensibility. Attribute 26 (Vendor-Specific), an attribute defined
in RFC 2865, allows a vendor to define extended attributes to implement functions that the standard
RADIUS protocol does not provide.
A vendor can encapsulate multiple sub-attributes in the type-length-value (TLV) format in attribute 26 to
provide extended functions. As shown in
of the following parts:
Vendor-ID—Indicates the ID of the vendor. Its most significant byte is 0, and the other three bytes
•
contains a code that is compliant to RFC 1700.
Vendor-Type—Indicates the type of the sub-attribute.
•
Vendor-Length—Indicates the length of the sub-attribute.
•
•
Vendor-Data—Indicates the contents of the sub-attribute.
Attribute
Class
Vendor-Specific
Session-Timeout
Idle-Timeout
Termination-Action
Called-Station-Id
Calling-Station-Id
NAS-Identifier
Proxy-State
Login-LAT-Service
Login-LAT-Node
Login-LAT-Group
Framed-AppleTalk-Link
Framed-AppleTalk-Network
Framed-AppleTalk-Zone
Acct-Status-Type
Acct-Delay-Time
Acct-Input-Octets
Acct-Output-Octets
Acct-Session-Id
No.
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Figure
400, a sub-attribute encapsulated in attribute 26 consists
378
Attribute
ARAP-Zone-Access
ARAP-Security
ARAP-Security-Data
Password-Retry
Prompt
Connect-Info
Configuration-Token
EAP-Message
Message-Authenticator
Tunnel-Private-Group-id
Tunnel-Assignment-id
Tunnel-Preference
ARAP-Challenge-Response
Acct-Interim-Interval
Acct-Tunnel-Packets-Lost
NAS-Port-Id
Framed-Pool
(unassigned)
Tunnel-Client-Auth-id
Tunnel-Server-Auth-id