6
33 Proxy-State 80 Message-Authenticator
34 Login-LAT-Service 81 Tunnel-Private-Group-id
35 Login-LAT-Node 82 Tunnel-Assignment-id
36 Login-LAT-Group 83 Tunnel-Preference
37 Framed-AppleTalk-Link 84 ARAP-Challenge-Response
38 Framed-AppleTalk-Network 85 Acct-Interim-Interval
39 Framed-AppleTalk-Zone 86 Acct-Tunnel-Packets-Lost
40 Acct-Status-Type 87 NAS-Port-Id
41 Acct-Delay-Time 88 Framed-Pool
42 Acct-Input-Octets 89 (unassigned)
43 Acct-Output-Octets 90 Tunnel-Client-Auth-id
44 Acct-Session-Id 91 Tunnel-Server-Auth-id
Extended RADIUS attributes
The RADIUS protocol features excellent extensibility. The Vendor-Specific attribute (attribute 26)
allows a vendor to define extended attributes. The extended attributes implement functions that the
standard RADIUS protocol does not provide.
A vendor can encapsulate multiple subattributes in the TLV format in attribute 26 to provide extended
functions. As shown in Figure 5, a subattribute encapsulated in attribute 26 consists of the following
parts:
• Vendor-ID—ID of the vendor. The most significant byte is 0. The other three bytes contains a
code compliant to RFC 1700.
• Vendor-Type—Type of the subattribute.
• Vendor-Length—Length of the subattribute.
• Vendor-Data—Contents of the subattribute.
The device supports RADIUS subattributes with a vendor ID of 25506. For more information, see
"RADIUS subattributes (vendor ID 25506)."
Figure 5 Format of attribute 26
HWTACACS
HW Terminal Access Controller Access Control System (HWTACACS) is an enhanced security
protocol based on TACACS (RFC 1492). HWTACACS is similar to RADIUS, and uses a client/server
model for information exchange between the NAS and the HWTACACS server.
Type Length
0
Vendor-ID
7 15 31
Vendor-ID (continued) Vendor-Type Vendor-Length
Vendor-Data
(Specified attribute value……)
23
……
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