Command Manual – System Maintenance and DebuggingH3C S7500 Series Ethernet SwitchesChapter 1 Basic System Configurationand Debugging Commands1-11DescriptionUse 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 specialistsand senior maintenance personnel to do network fault diagnostics.Enabling debugging will generate a great deal of debugging information and thus willaffect the efficiency of the system, especially after enabling all debugging through thedebugging all command, the system may collapse. Therefore, it is recommended notto use the debugging all command. The undo debugging all command brings greatconvenience for you to disable all debugging at a time instead of disabling them one byone.Related commands: display debugging.Examples# Enable IP packet debugging. debugging ip packet1.3.2 display diagnostic-informationSyntaxdisplay diagnostic-information [ module-name ]ViewAny viewParametersmodule-name: Module name. See the following table for details:Table 1-3 Module name listModule name DescriptionARP ARP module informationDRV Driver informationFTTH FTTH informationIGMP Multicast informationIP IP module informationL2INF Interface management informationLACP Link aggregation information