3Com Switch 8800 Family Configuration Guide

System Debugging 837
Figure 195 Debugging output
You can use the following commands to control the above-mentioned debugging.
Perform the following operations in user view.
For more about the usage and format of the debugging commands, refer to the
relevant chapters.
n
Since the debugging output will affect the system operating efficiency, do not
enable the debugging without necessity, especially use the debugging all
command with caution. When the debugging is over, disable all the debugging.
Displaying Diagnostic
Information
When the switch does not run well, you can collect all sorts of information about
the switch to locate the source of fault. Each module has its corresponding display
command which displays the operating information of related module for fault
locating and analyzing. You can use the display diagnostic-information
command.
Perform the following operations in any view.
Tab le 802 Enable/Disable the debugging
Operation Command
Enable the protocol debugging debugging { all | timeout interval |
module-name [ debugging-option ] }
Disable the protocol debugging undo debugging { all | module-name [
debugging-option ] }
Enable the terminal debugging terminal debugging
Disable the terminal debugging undo terminal debugging
1 2 3
Protocol debugging
switch
ON ONOFF
ONOFF
1
3
1
3
Screen output switch
1
3
Debugging
information