Chapter 3 - Clearing Causes and Diagnostics
This chapter describes the clearing cause and diagnostic codes that X.25 can return. These codes appear in the X.25 logs, which are also described.
Table 3-1 describes the codes in the clearing cause field of the Clear Indication, Reset Indication, and Restart Indication packets and provides an explanation of the codes most likely to be returned.
Table 3-2 describes the diagnostic codes in the Diagnostic, Clear Indication, Reset Indication, and Restart Indication packets and provides an explanation of the codes most likely to be returned.
Follow these steps to view the X.25 log report:
1. Run the OPERATE program.
2. Select a server.
3. Select the function, Manage Server Logs, from the Operate a Server screen.
4. Select the function, Generate a Log Report, from the Manage Server Logs screen.
5. Highlight System Log, press ENTER and then F10.
X.25 information is in the system log.
Example X.25 Log Report
The following is an example of an X.25 log report.
The fields have the following meaning:
Controller. Specifies the card that logged this message to the system log. The log report always specifies an ICA card as "GX25."
Physical Unit Number. Specifies the index into the server' s line table entry (LTE) array for serial cards.
Local Circuit Number. Specifies the index into the server' s circuit control block array.
Controller Session Number. The value in this field has no meaning and can be ignored.
Command. The message in this field has no meaning. It can be ignored.
Return Code. Specifies the error diagnostic that the ICA card returns. When a call is cleared, the error is always 198.
Status Flags. The value in this field has no meaning and can be ignored.
Network Cause. Specifies the clearing cause code. See Table 3-1 for a description these codes.
Network Diagnostic. Specifies the diagnostic code. See Table 3-2 for a description of these codes.
Note that X.29 dial-in or X.29 host communications (ATE) does not generate a log report.