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17-6

Software Configuration Guide—Release 12.2(25)EW

OL-6696-01

Chapter 17 Understanding and Configuring EtherChannel

Configuring EtherChannel

• After you configure an EtherChannel, any configuration that you apply to the port-channel interface

affects the EtherChannel; any configuration that you apply to the physical interfaces affects only the

interface where you apply the configuration.

• You cannot configure a 802.1X port in an EtherChannel.

Configuring EtherChannel

These sections describe how to configure EtherChannel:

• Configuring Layer 3 EtherChannels, page 17-6

• Configuring Layer 2 EtherChannels, page 17-9

• Configuring the LACP System Priority and System ID, page 17-11

• Configuring EtherChannel Load Balancing, page 17-12

• Removing an Interface from an EtherChannel, page 17-13

• Removing an EtherChannel, page 17-14

Note Ensure that the interfaces are configured correctly. (See the “EtherChannel Configuration Guidelines

and Restrictions” section on page 17-5.)

Configuring Layer 3 EtherChannels

To configure Layer 3 EtherChannels, create the port-channel logical interface and then put the Ethernet

interfaces into the port-channel.

These sections describe Layer 3 EtherChannel configuration:

• Creating Port-Channel Logical Interfaces, page 17-6

• Configuring Physical Interfaces as Layer 3 EtherChannels, page 17-7

Creating Port-Channel Logical Interfaces

Note To move an IP address from a physical interface to an EtherChannel, you must delete the IP address from

the physical interface before configuring it on the port-channel interface.

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