Disabling a Dynamic VLAN subinterface

You can use the shutdown command to disable an interface.

When you disable a dynamic VLAN subinterface, the shutdown command deletes the VLAN dynamic subinterface column and removes the dynamic VLAN subinterface.

To disable an interface:

host1(config-subif)#shutdown

Because the shutdown command removes the dynamic VLAN subinterface from the router, issuing a subsequent no version of this command has no effect; that is, it does not restart the disabled subinterface.

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