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HP-UX 11i Version 3: February 2007

Technical documentation

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nettladm — network tracing and logging administration manager


/opt/nettladm/bin/nettladm [-t|-l] [-c filter_file]


The nettladm command is a tool used to administer network tracing and logging. It provides an interactive user interface to the nettl, netfmt, and nettlconf commands. The interface runs in either text terminal mode or in a Motif graphical environment. To run nettladm using Motif windows set the DISPLAY environment variable to match the system name (for example, DISPLAY=system:0.0 ) prior to using the command.

The nettladm command starts a menu-driven program that makes it easy to perform network tracing and logging tasks with only limited specialized knowledge of HP-UX. nettladm is a self-guided tool, and context-sensitive help is available at any point by pressing the f1 function key.


nettladm recognizes the following options:


Shortcut to enter the "Logging Subsystems" (logging) area. This is the default.


Shortcut to enter the "Tracing Subsystems" (tracing) area.

-c filter_file

Use the contents of filter_file as the default set of subsystem formatting criteria when creating reports within the "Create Report" area. The defaults can be overridden through the interface screens. Global filters (those beginning with the word FORMATTER) and comments are ignored. See netfmt(1M) for the description and syntax of filter_file.


International Code Set Support

Single and multibyte character code sets are supported in data; single-byte character code sets are supported in file names.


Changes to logging and tracing levels and states are not preserved across system reboots or stops and restarts from outside of the nettladm command. Permanent changes must be made to the /etc/nettlgen.conf file using the nettlconf command. Note that changes to console logging and all logging startup parameters are preserved.

Although the nettladm command allows the specification of all log classes and all trace kinds for all subsystems, many subsystems do not support all log classes and all trace kinds. No error or warning will be issued if a subsystem does not support a log class or trace kind. Refer to the product documentation of the subsystem for information on supported log classes and trace kinds.

The nettladm command reads the /etc/nettlgen.conf and /var/adm/conslog.opts files each time it is run (see nettlgen.conf(4)). If the files become corrupted, this command will no longer be operational.

Currently nettladm is not supported on Release 11i Version 1.6.


nettladm runs in an X Windows environment as well as on the following kinds of terminals or terminal emulators:

  • HP-compatible terminal with programmable function keys and on-screen display of function key labels.

  • VT-100.



Tracing and logging subsystem configuration file.


Default console logging options filter file as specified in /etc/nettlgen.conf.


Default log file as specified in /etc/nettlgen.conf.


Default trace file.


X11 application defaults file.


nettladm was developed by HP.

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