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Cisco Wireless LAN Controller Configuration Guide
OL-13826-01
Chapter 3 Configuring Ports and Interfaces
Enabling Link Aggregation
Step 3 Reboot the controller.
Using the CLI to Verify Link Aggregation Settings
To verify your LAG settings, enter this command:
show lag summary
Information similar to the following appears:
LAG Enabled
Configuring Neighbor Devices to Support LAG
The controller’s neighbor devices must also be properly configured to support LAG.
• Each neighbor port to which the controller is connected should be configured as follows:
interface GigabitEthernet <interface id>
switchport
channel-group <id> mode on
no shutdown
• The port channel on the neighbor switch should be configured as follows:
interface port-channel <id>
switchport
switchport trunk encapsulation dot1q
switchport trunk native vlan <native vlan id>
switchport trunk allowed vlan <allowed vlans>
switchport mode trunk
no shutdown
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