Cisco Catalyst 3750 - CHAPTER 27 Configuring Etherchannels

27-8
Catalyst 3750 Metro Switch Software Configuration Guide
78-15870-01
Chapter 27 Configuring EtherChannels
Configuring EtherChannels
Figure 27-3 Load Distribution and Forwarding Methods
Configuring EtherChannels
These sections describe how to configure EtherChannel on Layer 2 and Layer 3 ports:
• Default EtherChannel Configuration, page 27-9
• EtherChannel Configuration Guidelines, page 27-9
• Configuring Layer 2 EtherChannels, page 27-10 (required)
• Configuring Layer 3 EtherChannels, page 27-12 (required)
• Configuring EtherChannel Load Balancing, page 27-15 (optional)
• Configuring the PAgP Learn Method and Priority, page 27-16 (optional)
• Configuring LACP Hot-Standby Ports, page 27-17 (optional)
Note Make sure that the ports are correctly configured. For more information, see the “EtherChannel
Configuration Guidelines” section on page 27-9.
Note After you configure an EtherChannel, configuration changes applied to the port-channel interface apply
to all the physical ports assigned to the port-channel interface, and configuration changes applied to the
physical port affect only the port where you apply the configuration.
101239
Cisco router
with destination-based
forwarding enabled
EtherChannel
Switch with
source-based
forwarding enabled