Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)

OL_28738-01

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

debug etherchnl

To debug EtherChannel, use the debug etherchnl command. To disable the debugging output, use the

no form of this command.

no debug etherchnl

Syntax Description

Defaults T he default settings are as follows:

• Debu g is dis abled.

• All message s are displayed.

Command Modes Privileged EXEC mode

Usage Guidelines I f you do not specify a keywor d, all debug messages are displa yed.

Examples This exampl e shows how to display all the Ethe rChannel debug mess ages:

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 me ssages:

Switch# debug etherchnl idb

Agport idb related debugging is on

Switch#

This example shows how to disable th e debugging:

Switch# no debug etherchnl

Switch#

all (O ptional) Display s all EtherChannel debug mess ages.

detail (Optional) Displays the detailed EtherChannel debug messages.

error (Optional) Displays the EtherChannel error messages.

event (Optional) Debugs the major EtherChannel event messages.

idb (Optiona l) Debugs the PAgP IDB messages .

linecard (Optional) Debugs the SCP messages to the module.