Debug Etherchannel - Cisco Catalyst 2950 Command Reference Manual

Appendix C Catalyst 2950 and 2955 Switch Debug Commands

debug etherchannel

Use the debug etherchannel privileged EXEC command to enable debugging of the
EtherChannel/PAgP shim. This shim is the software module that is the interface between the Port
Aggregation Protocol (PAgP) software module and the port manager software module. Use the no form
of this command to disable debugging.
Syntax Description all
detail
error
event
idb
Note Though visible in the command-line help strings, the linecard keyword is not supported.
Defaults Debugging is disabled.
Command Modes
Privileged EXEC
Command History Release
12.1(6)EA2
Usage Guidelines If you do not specify a keyword, all debug messages appear.
The undebug etherchannel command is the same as the no debug etherchannel command.
Related Commands Command
show debugging
show etherchannel
OL-10102-01
debug etherchannel [all | detail | error | event | idb]
no debug etherchannel [all | detail | error | event | idb]
(Optional) Display all EtherChannel debug messages.
(Optional) Display detailed EtherChannel debug messages.
(Optional) Display EtherChannel error debug messages.
(Optional) Debug major EtherChannel event debug messages.
(Optional) Debug PAgP interface descriptor block debug messages.
Modification
This command was introduced.
Description
Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Configuration Fundamentals
Command Reference for IOS Release 12.1 > Cisco IOS System
Management Commands > Troubleshooting Commands.
Displays EtherChannel information for the channel.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
debug etherchannel
C-5