Debug Interface - Cisco Catalyst 2960 Command Reference Manual

Appendix B Catalyst 2960 Switch Debug Commands

debug interface

Use the debug interface privileged EXEC command to enable debugging of interface-related activities.
Use the no form of this command to disable debugging.
Syntax Description interface-id
null interface-number
port-channel
port-channel-number
vlan vlan-id
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History Release
12.2(25)FX
Usage Guidelines If you do not specify a keyword, all debug messages appear.
The undebug interface command is the same as the no debug interface command.
Related Commands Command
show debugging
show etherchannel
OL-8604-04
debug interface {interface-id | null interface-number | port-channel port-channel-number |
vlan vlan-id}
no debug interface {interface-id | null interface-number | port-channel port-channel-number |
vlan vlan-id}
Display debug messages for the specified physical port, identified by type
switch number/module number/ port, for example gigabitethernet 0/2.
Display debug messages for null interfaces. The interface-number is always
0.
Display debug messages for the specified EtherChannel port-channel
interface. The port-channel-number range is 1 to 6.
Display debug messages for the specified VLAN. The vlan-id range is 1 to
4094.
Modification
This command was introduced.
Description
Displays information about the types of debugging that are enabled.
Displays EtherChannel information for the channel.
Catalyst 2960 Switch Command Reference
debug interface
B-11