PAgP Modes , on page 111
Silent Mode, on page 112
Configuring the Physical Interfaces, on page 127
Channel Groups and Port-Channel Interfaces, on page 109
PAgP Modes , on page 111
Silent Mode, on page 112
Configuring EtherChannel Load-Balancing
Load-Balancing and Forwarding Methods, on page 115
MAC Address Forwarding, on page 116
IP Address Forwarding, on page 116
Load-Balancing Advantages, on page 117
Configuring the PAgP Learn Method and Priority, on page 130
PAgP Learn Method and Priority, on page 112
Configuring the LACP System Priority, on page 132
Configuring the LACP Port Priority, on page 133
Layer 3 EtherChannel Configuration Guidelines
•
For Layer 3 EtherChannels, assign the Layer 3 address to the port-channel logical interface, not to the
physical ports in the channel.
Related Topics
Configuring EtherChannel Load-Balancing
Load-Balancing and Forwarding Methods, on page 115
MAC Address Forwarding, on page 116
IP Address Forwarding, on page 116
Load-Balancing Advantages, on page 117
How to Configure EtherChannels
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.
Configuring Layer 2 EtherChannels
You configure Layer 2 EtherChannels by assigning ports to a channel group with the channel-group interface
configuration command. This command automatically creates the port-channel logical interface.
If you enabled PAgP on a port in the auto or desirable mode, you must reconfigure it for either the on mode
or the LACP mode before adding this port to a cross-stack EtherChannel. PAgP does not support cross-stack
EtherChannels.
Catalyst 2960-XR Switch Layer 2 Configuration Guide, Cisco IOS Release 15.0(2)EX1
OL-29424-01 123
Configuring EtherChannels
How to Configure EtherChannels
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