CDR File Format

A CDR file contains a sequence of CDR records. The file is a standard ASCII text file. Records are separated by a sequence of dashes followed by a line break. The individual fields of a record are reported one per line, in "field=value" format.

The following table describes the records that are displayed in a CDR file.

Note

Note

Most of the CDR records are typical RADIUS server attributes. For more information, refer to the user manual of your RADIUS server.
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CDR Records and Their Description

CDR Records Description
Acct-Session-ID A unique CDR ID
User-Name The name of the user, who was authenticated.
Filter-ID The name of the filter list for the user.
Acct-Interim-Interval The number of seconds between interim accounting updates.
Session-Timeout The maximum number of seconds of service to be provided to the user before termination of the session.
Class This field is copied from the access-accept message sent by the RADIUS server during authentication.
Acct-Status-Type Indicates whether this Accounting-Request marks the beginning of the user service (Start) or the end (Stop).
Acct-Delay-Time Indicates how many seconds the client tried to authenticate send this record for, and can be subtracted from the time of arrival on the server to find the approximate time of the event generating this Accounting-Request.
Acct-Authentic Indicates how the user was authenticated, whether by RADIUS (AAA), Local (Internal CP) or Remote (External CP). The field displays one of the following values:
  • 1 — AAA authentication
  • 2 — Internal CP authentication
  • 3 — External CP authentication
Framed-IP-Address Indicates the address to be configured for the user
Connect-Info This field is sent from the NAS to indicate the nature of the users‘ connection — 802.11b for Radio b/g or 802.11a for radio a.
NAS-Port-Type Indicates RADIUS NAS Port Type is Wireless 802.11
Called-Station-ID The Wireless AP‘s MAC address.
Calling-Station-ID The client‘s MAC address.
Extreme Networks-AP-Serial The AP‘s serial number.
Extreme Networks-AP-Name The AP‘s name.
Extreme Networks-VNS-Name The VNS name on which the session took place.
Extreme Networks-SSID The SSID name on which the session took place.
Acct-Session-Time The number of seconds the user has received the service.
Acct-Output-Packets The number of packets that were sent to the port in the course of delivering this service to a framed user.
Acct-Input-Packets The number of packets that have been received from the port over the course of this service being provided to a Framed User.
Acct-Output-Octets The number of octets that were sent to the port in the course of delivering the service.
Acct-Input-Octets The number of octets that were received from the port over the course of the service.
Acct-Terminate-Cause Indicates how the session was terminated. The field displays one of the following values:
  • 1 — User Request 4 — Idle Timeout
  • 5 — Session Timeout
  • 6 — Admin Reset
  • 11 — NAS Reboot
  • 16 — Callback
  • 17 — User Error
Authenticated_time Indicates the time at which the client was authenticated. The time is in the following format: Date hh:mm:ss. For example, April 21 2008 14:50:24
Disassociation_time Indicates the time at which the client was disassociated from the AP. The time is in the following format: Date hh:mm:ss. For example, April 21 2008 14:57:20.