3Com Switch 8800 Configuration Guide Chapter 46 System Maintenance and Debugging
46-4
Table 46-6 Enabling/Disabling 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
For more about the usage and format of the debugging commands, refer to the relevant
chapters.
Note:
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.
When the Ethernet switch does not run well, you can collect all sorts of information
about the switch to locate the source of fault. However, each module has its
corresponding display command, you can use display diagnostic-information
command.
You can perform the following operations in any view.
Table 46-7 displaying diagnostic information
Operation Command
display diagnostic information display diagnostic-information
Note:
When using the display diagnostic-information command to keep track of Ethernet
switch, you should execute the command at least twice so that you can compare the
information for locating problem.