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9.3.4. State AVP
The State AVP (AVP Code 24) [RADIUS] is of type OctetString and has
two uses in the Diameter NAS application.
The State AVP MAY be sent by a Diameter Server to a NAS in an AA-
Response command that contains a Result-Code of
DIAMETER_MULTI_ROUND_AUTH. If so, the NAS MUST return it unmodified
in the subsequent AA-Request command.
The State AVP MAY also be sent by a Diameter Server to a NAS in an
AA-Response command that also includes a Termination-Action AVP with
the value of AA-REQUEST. If the NAS performs the Termination-Action
by sending a new AA-Request command upon termination of the current
service, it MUST return the State AVP unmodified in the new request
command.
In either usage, the NAS MUST NOT interpret the AVP locally. Usage
of the State AVP is implementation dependent.
9.3.5. Termination-Cause AVP Code Values
This section defines a mapping between Termination-Cause AVP code
values and RADIUS Acct-Terminate-Cause attribute code values from RFC
2866 [RADIUSAcct] and [RADIUSTypes], thereby allowing a
RADIUS/Diameter Translation Agent to convert between the attribute
and AVP values. This section thus extends the definitions in the
"Termination-Cause AVP" section of the Base Diameter specification.
The table in this section defines the mapping between Termination-
Cause AVP and RADIUS Acct-Terminate-Cause causes.
+-----------------------+
| Value |
+-----------+-----------+
Cause Value Name | RADIUS | Diameter |
------------------------------|-----------+-----------+
User Request | 1 | 11 |
Lost Carrier | 2 | 12 |
Lost Service | 3 | 13 |
Idle Timeout | 4 | 14 |
Session Timeout | 5 | 15 |
Admin Reset | 6 | 16 |
Admin Reboot | 7 | 17 |
Port Error | 8 | 18 |
NAS Error | 9 | 19 |
NAS Request | 10 | 20 |
NAS Reboot | 11 | 21 |
Port Unneeded | 12 | 22 |
Port Preempted | 13 | 23 |
Port Suspended | 14 | 24 |
Service Unavailable | 15 | 25 |
Callback | 16 | 26 |
User Error | 17 | 27 |
Host Request | 18 | 28 |
Supplicant Restart | 19 | 29 | [RAD802.1X]
Reauthentication Failure | 20 | 30 | [RAD802.1X]
Port Reinit | 21 | 31 | [RAD802.1X]
Port Disabled | 22 | 32 | [RAD802.1X]
------------------------------|-----------+-----------+
From RFC 2866, the termination causes are as follows:
User Request User requested termination of service, for
example with LCP Terminate or by logging out.
Lost Carrier DCD was dropped on the port.
Lost Service Service can no longer be provided; for
example, user's connection to a host was
interrupted.
Idle Timeout Idle timer expired.
Session Timeout Maximum session length timer expired.
Admin Reset Administrator reset the port or session.
Admin Reboot Administrator is ending service on the NAS,
for example, prior to rebooting the NAS.
Port Error NAS detected an error on the port that
required ending the session.
NAS Error NAS detected an error (other than on the
port) that required ending the session.
NAS Request NAS ended the session for a non-error reason not
otherwise listed here.
NAS Reboot NAS ended the session to reboot
non-administratively ("crash").
Port Unneeded NAS ended the session because resource usage
fell below a low-water mark (for example, if
a bandwidth-on-demand algorithm decided that
the port was no longer needed).
Port Preempted NAS ended the session to allocate the
port to a higher priority use.
Port Suspended NAS ended the session to suspend a virtual
session.
Service Unavailable NAS was unable to provide requested service.
Callback NAS is terminating the current session
to perform callback for a new session.
User Error Input from user is in error, causing
session termination.
Host Request Login Host terminated session normally.
9.3.6. Origin-AAA-Protocol
The Origin-AAA-Protocol AVP (AVP Code 408) is of the type Enumerated
and should be inserted in a Diameter message translated by a gateway
system from another AAA protocol, such as RADIUS. It identifies the
source protocol of the message to the Diameter system receiving the
message.
The supported values are:
1 RADIUS
