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Working with Reports and Statistics

Call Detail Records (CDRs)

SCALANCE WLC711

16-22 C79000-G8976-C260-03, 07/2012, User Guide, V8.11

the CDR file is uploaded to a remote server, you can work with the file to view CDRs or import the

records to a reporting tool.

You can back up and upload the file on the remote server either via the SCALANCE IWLAN

Assistant (GUI) or CLI.

CDR File Naming Convention

CDRs are written to a file on the SCALANCE IWLAN Controller. The filename is based on the

creation time of the CDR file with the following format: YYYYMMDDhhmmss.<ext>

• YYYY — Four digit year

• MM — Two digit month, padded with a leading zero if the month number is less than 10

• DD — Two digit day of the month, padded with a leading zero if the day number is less than

• hh — Two digit hour, padded with a leading zero if the hour number is less than 10

• mm — Two digit minute, padded with a leading zero if the minute number is less than 10

• ss — Two digit second, padded with a leading zero if the second number is less than 10

• <ext> — File extension, either .work or .dat

CDR File Types

Two types of CDR files exist in the CDR directory on the SCALANCE IWLAN Controller:

• .work — The active file that is being updated by the accounting system. The file is closed and

renamed with the .dat extension when it attains its maximum size (16 MB) or it has been open

for the maximum allowed duration (12 hours). You can back up and copy the .work file from

the SCALANCE IWLAN Controller to a remote server.

• .dat — The inactive file that contains the archived account records. You can back up and copy

the .dat file from the SCALANCE IWLAN Controller to a remote server.

Note:

The CDR directory on the SCALANCE IWLAN Controller only has two files — a .work file and a .dat file.

When the .work file attains its maximum size of 16 MB, or it has been open for 12 hours, it is saved as a .dat

file. This new .dat file overwrites the existing .dat file. If you want to copy the existing .dat file, you must do so

before it is overwritten by the new .dat file.

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:

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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Siemens EF 711 Series Betriebsanweisung Seite 430