interface port-channel
To access or create a port channel, use the interface port-channel command in global configuration mode.
Use the no form of this command to remove the port channel.
interface port-channel port-channel-number
no interface port-channel
Syntax Description
Channel group number. The range is 1 to 128.
port-channel-number
Command Default
No port channel logical interfaces are defined.
Command Modes
Global configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Usage Guidelines
For Layer 2 EtherChannels, you do not have to create a port-channel interface before assigning physical ports
to a channel group. Instead, you can use the channel-group interface configuration command, which
automatically creates the port-channel interface when the channel group obtains 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.
Only one port channel in a channel group is allowed.
Follow these guidelines when you use the interface port-channel command:
•
If you want to use the Cisco Discovery Protocol (CDP), you must configure it on the physical port and
not on the port channel interface.
•
Do not configure a port that is an active member of an EtherChannel as an IEEE 802.1x port. If IEEE
802.1x is enabled on a not-yet active port of an EtherChannel, the port does not join the EtherChannel.
For a complete list of configuration guidelines, see the “Configuring EtherChannels” chapter in the software
configuration guide for this release.
Examples
This example shows how to create a port channel interface with a port channel number of 5:
Device(config)# interface port-channel 5
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
306
interface port-channel
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