Configuring VE route-only mode on a LAG port

Do the following to configure VE route-only mode on a LAG (port-channel) port.

1. Enter global configuration mode.
   

   device# configure terminal

2. Create a VLAN.
   

   device(config)# vlan 100

3. Specify a port-channel interface.
   

   device# configure terminal
   device(config)# interface port-channel 1

4. Enter the switchport command to configure Layer 2 characteristics.
   

   device(config-Port-channel-1)# switchport

5. Specify trunk mode.
   

   device(config-Port-channel-1)# switchport mode trunk

6. Tag the port to a VLAN.
   

   device(config-Port-channel-1)# switchport trunk allowed vlan add 100

7. Enable tagging on native VLAN traffic.
   

   device(config-Port-channel-1)# switchport trunk tag native-vlan

8. Enter the route-only command top enable Layer 3 routing exclusively on the port.
   

   device(config-Port-channel-1)# route-only

   Use the no route-only command to revert to default Layer 2 and Layer 3 behavior.
9. Enable the interface and exit to global configuration mode.
   

   device(config-Port-channel-1)# no shutdown
   device(config-Port-channel-1)# exit
   

10. Verify the port-channel configuration.
    

    device(config-Port-channel-1)# do show running-cocnfig interface port-channel 1
     interface Port-channel 1
     switchport
     switchport mode trunk
     switchport trunk allowed vlan add 100,200
     switchport trunk tag native-vlan
     route-only
     no shutdown
    

11. Enter virtual Ethernet (VE) configuration mode and specify the VLAN.
    

    device(config)# interface ve 100

12. Assign an IP address and mask and enable the interface.
    

    device(config-Ve-100)# ip address 10.2.2.2/24
    device(config-Ve-100)# no shutdown

13. Verify the VE configuration.
    

    device(config-Ve-100)# )# do show running interface ve 100
    interface Ve 100
     ip proxy-arp
     ip address 10.2.2.2/24
     no shutdown