Administrator Guide

Switch Management Commands 2091
User Guidelines
Debug output should be enabled with caution. Switch behavior may be
adversely affected by the additional processing load incurred from enabling
debug.
Example
console#debug spanning-tree bpdu
debug udld
Use the debug udld command to enable the display of UDLD packets or
event processing.
Use the no form of the command to disable debugging.
Syntax
debug udld {packet [receive|transmit]|events}
no debug udld {packet [receive|transmit]|events}
• Packet—Display transmitted and received UDLD packets.
• Receive—Debug packets received by the switch.
• Transmit—Debug packets transmitted by the switch.
• Events—Display UDLD events.
Default Configuration
By default, debugging is disabled.
Command Mode
Privileged Exec mode
User Guidelines
Debug commands should be used with caution. Switch behavior may be
adversely affected by the additional processing load incurred by enabling
debug output.