Troubleshooting Guide

Variable Value
cfm level [<0-4>] Starts tracing by CFM.
• <0-4> specifies the trace level from 0–4, where 0 is disabled; 1
is very terse; 2 is terse; 3 is very verbose, 4 is verbose.
spbm isis level [<0-4>] Specifies exactly which IS-IS component to display.
• <0-4> specifies the trace level from 0–4, where 0 is disabled; 1
is very terse; 2 is terse; 3 is very verbose, 4 is verbose.
level [<0-234>] [<0-4>] Starts the trace by specifying the module ID and level.
<0-234> specifies the module ID. Module ID 119 represents the
IS-IS module.
Specifies the trace level:
• 0 — Disabled
• 1 — Very terse
• 2 — Terse
• 3 — Verbose
• 4 — Very verbose
shutdown Stops the trace operation.
screen {disable|enable} Enables or disables the display of trace output to the screen.
Important:
Avaya recommends you avoid using the screen to view
commands if you use trace level 3 (verbose) or trace level 4
(very verbose) due to the volume of information generated
and the effect on the system.
Use the data in the following table to use the save trace command.
Table 36: Variable definitions
Variable
Value
file WORD<1–99> Specifies the file name in one of the following formats:
• a.b.c.d: <file>
WORD<1–99> is a string of 1–99 characters.
Note:
If you do not specify a file name, the file name is systrace.txt.
Using trace to examine IS-IS control packets
January 2017 Troubleshooting 125
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