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Radius Accounting Attribute: Acct-Terminate-Cause

As per RFC 2866:

This attribute indicates how the session was terminated, and can only be present in Accounting-Request records where the Acct-Status-Type is set to Stop. A summary of the Acct-Terminate-Cause attribute format is shown below.  The fields are transmitted from left to right.

Type (IETF Number) = 49 for Acct-Terminate-Cause

Length = 6

Value:The Value field is four octets, containing an integer specifying the cause of session termination, as follows:

1

User Request

User requested termination of service, for example with LCP Terminate or by logging out.

2

Lost Carrier

DCD was dropped on the port.

3

Lost Service

Service can no longer be provided; for example, user's connection to a host was interrupted.

4

Idle Timeout

Idle timer expired.

5

Session Timeout

Maximum session length timer expired.

6

Admin Reset

Administrator reset the port or session.

7

Admin Reboot

Administrator is ending service on the NAS, for example prior to rebooting the NAS.

8

Port Error

NAS detected an error on the port which required ending the session.

9

NAS Error

NAS detected some error (other than on the port) which required ending the session.

10

NAS Request

NAS ended session for a non-error reason not otherwise listed here.

11

NAS Reboot

The NAS ended the session in order to reboot non-administratively ("crash").

12

Port Unneeded

NAS ended session because resource usage fell below low-water mark (for example, if a bandwidth-on-demand algorithm decided that the port was no longer needed).

13

Port Preempted

NAS ended session in order to allocate the port to a higher priority use.

14

Port Suspended

NAS ended session to suspend a virtual session.

15

Service Unavailable

NAS was unable to provide requested service.

16

Callback

NAS is terminating current session in order to perform callback for a new session

17

User Error

Input from user is in error, causing termination of session.

18

Host Request

Login Host terminated session normally.

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