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C-19
User Guide for Cisco Secure ACS for Windows Server
78-16592-01
Appendix C RADIUS Attributes
IETF Dictionary of RADIUS AV Pairs
24 State Allows State information to be
maintained between the AAA client
and the RADIUS server. This
attribute is applicable only to CHAP
challenges.
String
(maximum
length 253
characters)
Outbound No
25 Class Arbitrary value that the AAA client
includes in all accounting packets
for this user if supplied by the
RADIUS server.
String Both Yes
26 Vendor-
Specific
Carries subattributes known as
vendor-specific attributes (VSAs), a
feature of RADIUS that allows
vendors to support their own
extended attributes. Subattributes
are identified by IANA-assigned
vendor numbers in combination
with the vendor-assigned
subattribute number. For example,
the vendor number for Cisco
IOS/PIX RADIUS is 9. The
cisco-av-pair VSA is attribute 1 in
the set of VSAs related to vendor
number 9.
String Outbound Yes
27 Session-
Timeout
Maximum number of seconds of
service to be provided to the user
before the session terminates. This
AV becomes the per-user absolute
timeout. This attribute is not valid
for PPP sessions.
Integer
(maximum
length 10
characters)
Outbound No
Table C-6 RADIUS (IETF) Attributes (continued)
Number Name Description
Type of
Value
Inbound/Out
bound Multiple