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Cisco ME 3800X and ME 3600X Switch Command Reference
OL-28238-01
Chapter 2 Cisco ME 3800X and ME 3600X Switch Cisco IOS Commands
interface port-channel
interface port-channel
To access or create the port-channel logical interface, use the interface port-channel command in
global configuration mode. To remove the port-channel, use the no form of this command.
interface port-channel port-channel-number
no interface port-channel port-channel-number
Syntax Description
Defaults No port-channel logical interfaces are defined.
Command Modes Global configuration
Command History
Usage Guidelines For Layer 2 EtherChannels, you do not have to create a port-channel interface first before assigning a
physical port to a channel group. Instead, you can use the channel-group interface configuration
command. It automatically creates the port-channel interface when the channel group gets its first
physical port. If you create the port-channel interface first, the channel-group-number can be the same
as the port-channel-number, or you can use a new number. If you use a new number, the channel-group
command dynamically creates a new port channel.
Note EtherChannels are not supported on ports configured with Ethernet flow point (EFP) service instances.
You create Layer 3 port channels by using the interface port-channel command followed by the no
switchport interface configuration command. You should manually configure the port-channel logical
interface before putting the interface into the channel group.
Only one port channel in a channel group is allowed.
Caution When using a port-channel interface as a routed port, do not assign Layer 3 addresses on the physical
ports that are assigned to the channel group.
Caution Do not assign bridge groups on the physical ports in a channel group used as a Layer 3 port-channel
interface because it creates loops. You must also disable spanning tree.
If you want to use the Cisco Discovery Protocol (CDP), you must configure it only on the physical port
and not on the port-channel interface.
port-channel-number Port-channel number. The range is 1 to 26.
Release Modification
12.2(52)EY This command was introduced.
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