• Spanning Tree Protocol Examples

If you enable debugging for STP or debugging for Bridge Protocol Data Units (BPDU) items, you will see a BPDU frame for each VLAN every two seconds. This can quickly fill your screen so that you will not be able to see to turn debugging off.Just type the no version of the command that started the debugging. Even if you cannot see it typed, it will work. As a shortcut, you can disable all debugging on your switch with the no debug all command or the shorter u all.The debug command can be a busy tool if you are not careful.

Spanning Tree Protocol Examples

It will fill your screen with output, and you will not be able to see to turn it off. Use u all to disable all available debugging, and be patient.