Debug Etherchnl - Cisco Catalyst 4500 Series Command Reference Manual

debug etherchnl

debug etherchnl
To debug EtherChannel, use the debug etherchnl command. To disable the debugging output, use the
no form of this command.
Syntax Description
all
detail
error
event
idb
linecard
Defaults The default settings are as follows:
•
•
Command Modes Privileged EXEC mode
Command History Release
12.1(8a)EW
Usage Guidelines If you do not specify a keyword, all debug messages are displayed.
Examples This example shows how to display all the EtherChannel debug messages:
Switch# debug etherchnl
PAgP Shim/FEC debugging is on
22:46:30:FEC:returning agport Po15 for port (Fa2/1)
22:46:31:FEC:returning agport Po15 for port (Fa4/14)
22:46:33:FEC:comparing GC values of Fa2/25 Fa2/15 flag = 1 1
22:46:33:FEC:port_attrib:Fa2/25 Fa2/15 same
22:46:33:FEC:EC - attrib incompatable for Fa2/25; duplex of Fa2/25 is half, Fa2/15 is full
22:46:33:FEC:pagp_switch_choose_unique:Fa2/25, port Fa2/15 in agport Po3 is incompatable
Switch#
This example shows how to display the EtherChannel IDB debug messages:
Switch# debug etherchnl idb
Agport idb related debugging is on
Switch#
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
2-150
debug etherchnl [all | detail | error | event | idb | linecard]
no debug etherchnl
(Optional) Displays all EtherChannel debug messages.
(Optional) Displays the detailed EtherChannel debug messages.
(Optional) Displays the EtherChannel error messages.
(Optional) Debugs the major EtherChannel event messages.
(Optional) Debugs the PAgP IDB messages.
(Optional) Debugs the SCP messages to the module.
Debug is disabled.
All messages are displayed.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
OL-27596 -01