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3Com Switch 7750 Series
Command Reference Guide – System Maintenance & Debugging
Chapter 1 Basic System Configuration &
Debugging Commands
1-11
1.3 System Debugging Commands
1.3.1 debugging
Syntax
debugging { all [ timeout interval ] | module-name debugging-option }
undo debugging { all | module-name debugging-option }
View
User view
Parameter
all: Enables or disables all debugging.
timeout interval: Sets the timeout time for all debugging, in the range of 1 to 1,440 (in
minutes). After the setting, all debugging is valid in the specified period which starts
from the time when the debugging is enabled. After the period, all debugging will be
disabled.
module-name: Module name.
debugging-option: Debugging option.
Description
Use the debugging command to enable system debugging.
Use the undo debugging command to disable system debugging.
By default, all debugging is disabled for the system.
Ethernet switches provide various debugging functions for technical support specialists
and senior maintenance personnel to do network fault diagnostics.
Enabling debugging will generate a great deal of debugging information and thus will
affect the efficiency of the system, especially after enabling all debugging through the
debugging all command, the system may collapse. Therefore, it is recommended not
to use the debugging all command. The undo debugging all command brings great
convenience for you to disable all debugging at a time instead of disabling them one by
one.
Related command: display debugging.
Example
# Enable IP packet debugging.
<3Com> debugging ip packet