3Com Switch 8800 Configuration Guide Chapter 46 System Maintenance and Debugging
46-3
Operation Command
Display the information about the
optical module connected with a
in-place optical port on current
frame
display fiber-module
or
display fiber-module [ interface-type
interface-number | interface-name ]
46.3.1 Enabling/Disabling the Terminal Debugging
The Ethernet switch provides various ways for debugging most of the supported
protocols and functions, which can help you diagnose and address the errors.
The following switches can control the outputs of the debugging information:
z Protocol debugging switch controls the debugging output of a protocol.
z Terminal debugging switch controls the debugging output on a specified user
screen.
The figure below illustrates the relationship between two switches.
1
2
3
Protocol debugging
switch
ON ONOFF
ONOFF
1
3
1
3
Screen output switch
1
3
Debugging
information
Figure 46-1 Debug output
You can use the following commands to control the above-mentioned debugging.
Perform the following operations in user view.