Interface Port-Channel - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

interface port-channel

To access or create a port-channel interface, use the interface port-channel command.
Syntax Description
channel-group
Defaults This command has no default settings.
Command Modes Global configuration mode
Command History Release
12.1(8a)EW
Usage Guidelines You do not have to create a port-channel interface before assigning a physical interface to a channel
group. A port-channel interface is created automatically when the channel group gets its first physical
interface, if it is not already created.
You can also create the port channels by entering the
a Layer 3 port channel. To change the Layer 3 port channel into a Layer 2 port channel, use the
switchport
cannot be changed from Layer 3 to Layer 2 or vice versa when it contains member ports.
Only one port channel in a channel group is allowed.
The Layer 3 port-channel interface is the routed interface. Do not enable Layer 3 addresses on the
Caution
physical Fast Ethernet interfaces.
If you want to use CDP, you must configure it only on the physical Fast Ethernet interface and not on
the port-channel interface.
Examples
This example creates a port-channel interface with a channel-group number of 64:
Switch(config)# interface port-channel 64
Switch(config)#
Related Commands Command
channel-group
show etherchannel
OL-27596 -01
interface port-channel channel-group
Port-channel group number; valid values are from 1 to 64.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
command before you assign the physical interfaces to the channel group. A port channel
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
interface port-channel
Description
Assigns and configures an EtherChannel interface to an
EtherChannel group.
Displays EtherChannel information for a channel.
interface port-channel
command. This will create
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