Using the X.25 Trace Utility

To invoke X25TRACE, enter the following at the NetWare console prompt:

LOAD X25TRACE

The message Loading module X25TRACE.NLM appears, followed by version and copyright notices. X25TRACE then displays the Available Options menu.

The options displayed in the X25TRACE Available Options menu are as follows:

• Network Interface Information. Displays information for the configured ports. This information specifies the basic I/O port address of the interface and the channel used on the interface.
• Real-Time Monitor. Enables you to view and capture transmitted and received frames dynamically. You can capture the dynamic data displayed on the window to either a disk file or to the memory (the default), to be replayed later for diagnostic analysis.

  IMPORTANT:  The Real-Time Monitor can consume a large portion of your router's CPU resources.

• Play-Back. Enables you to play back to the window a captured Real-Time Monitor data session from a disk file or from RAM.
• Configuration. Enables you to configure the X25TRACE utility.

Network Interface Information Window

You can display the Network Interface Information window by selecting that option from the X25TRACE Available Options menu.

The Network Interface Information window displays the following information:

• I/O. I/O address of this interface.
• IRQ. Interrupt request level (vector) used by this interface.
• MEM. Base address of a block of shared memory space decoded by this interface.
• Port. Port number used by this interface.
• LSL Board No. EISA or MCA slot that this interface card resides in.
• I/F Name. NetWare LSL symbolic name for this interface.

Real-Time Monitor Window

You can display the Real-Time Monitor window by selecting that option from the X25TRACE Available Options menu.

The Real-Time Monitor window displays a sampling of the actual packet traffic. To view the actual traffic, you should capture the transmission to RAM or a disk file.

The options available on this window are as follows:

Play Back Window

You can display the X25TRACE Play Back window by selecting that option from the X25TRACE Available Options menu.

The Play Back window displays the following options:

• Play Back Device. Indicates whether the captured data session to be played back originates from RAM or a disk file.
• Disk Filename. Name of the disk file to be played back if you selected Disk as the playback device. You can have several files to which you saved real-time sessions.
• Play Back Speed. Speed at which you want to view the session: Fast, Medium, or Slow. You can change the speed and view the session again at another speed, if needed.

The cursor is positioned in the Play-Back Device field. Press Enter to display the available options. Use the Up-arrow and Down-arrow keys to highlight either Disk or RAM, then press Enter to select that option.

If you select Disk as the playback device, move the highlight bar to the Disk Filename field, enter the desired filename, then press Enter to select that file.

Highlight the Play-Back Speed option, then press Enter to display the Play-Back Speed window. Use the Up-arrow and Down-arrow keys to highlight the desired option (Slow, Medium, or Fast), then press Enter to select that option.

Configuration Window

You can display configuration information by selecting the Configuration option from the Available Options menu.

The X25TRACE Configuration window enables you to configure the X.25TRACE utility. You should use the Configuration window to set up the type of capture device and the disk filename before you use any of the other options from the Available Options menu.

The cursor is positioned in the Capture Device field. Press Enter to display the available options. Use the Up-arrow and Down-arrow keys to highlight either Disk or RAM, then press Enter to select that option.

If you select Disk as the capture device, move the highlight bar to the Disk Filename field and enter a valid filename.

Exiting X25TRACE

At the X25TRACE Available Options menu, press Esc to display the Exit window. Use the Up-arrow and Down-arrow keys to highlight the desired option (Yes or No), then press Enter to select that option.