Specifications

System Software Diagnostics Guide — September 2006 105
20
20.ISDN Trace Reference
This chapter provides reference information about the ISDNtrace tool.The following topics are
included:
• Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
• Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
• Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
20.1 Description
The ISDNtrace tool provides the ability to track Layer 3 (Q.931) messages on the ISDN D-channel.
ISDNtrace prints messages on the screen in real time. This trace information can also be captured
into a file.
20.2 Guidelines
The ISDNtrace tool consumes a portion of the CPU for each trunk that is logged and may generate
an exception if CTRL-C is used to exit the tool. An exception may also be generated if you use an
invalid parameter in the command.
20.3 Options
Options
The ISDNtrace tool uses the following command line options:
-b<n>
Logical ID of board (required).Use the listboards utility (Linux) or the Configuration Manager
(DCM) (Windows) to obtain the board’s logical ID.
Note: The listboards utility is described in the Administration Guide for the release and the
Configuration Manager is described in the Configuration Guides for the (Windows)
release.
-d<n>
The D-channel number (trunk number) on the specified board (required). The default value is
1.
-f<file>
Output file name (required to save output in a file).
Note: A space is used after the
-f option but not after -b or -d options.