Configuring Auto-Lag On A Port Interface - Cisco Catalyst 4500 Series Software Configuration Manual

Configuring EtherChannel
Command
Step 1
Switch(config)# port-channel auto
Step 2
Switch(config)# end
Step 3
Switch# show etherchannel auto

Configuring Auto-LAG on a Port Interface

To configure auto-LAG globally, perform this task:
Command
Step 1
Switch(config)# interface interface-id
Step 2
Switch(config-if)# channel-group auto
Step 3
Switch(config)# end
Step 4
Switch# show etherchannel auto
Configuring Persistence with Auto-LAG
To convert the automatically created EtherChannel back to a manual one, perform this task:
Command
Step 1
Switch# port-channel channel-number persistent
Step 2
Switch(config-if)# channel-group auto
Step 3
Switch(config)# end
Step 4
Switch# show etherchannel summary
Configuring EtherChannel Load Balancing
Load balancing can only be configured globally. As a result, all channels (manually configured, PagP,
Note
or LACP) use the same load-balancing method.
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
27-18
Chapter 27 Configuring EtherChannel and Link State Tracking
Purpose
Configures auto-LAG globally on the device.
Exits configuration mode.
Displays the EtherChannel created automatically.
Purpose
Specifies the port interface to be enabled for auto-LAG,
and enters interface configuration mode.
(Optional) Enables auto-LAG feature on individual port
interface.
By default, the auto-LAG feature is enabled on the port.
Exits configuration mode.
Displays the EtherChannel created automatically.
Purpose
Specifies the port interface to be enabled for auto-LAG,
and enters interface configuration mode.
Converts the auto created EtherChannel into a manual
one and allows you to add configuration on the
EtherChannel.
Exits configuration mode.
Displays EtherChannel information.