2-2Basic VLAN Interface ConfigurationConfiguration prerequisitesBefore configuring a VLAN interface, create the corresponding VLAN.Configuration procedureFollow these steps to make basic VLAN interface configuration:To do… Use the command… RemarksEnter system view system-view —Create a VLAN interface andenter VLAN interface viewinterface Vlan-interfacevlan-idRequiredBy default, there is no VLAN interfaceon a switch.Specify the description stringfor the current VLANinterfacedescription textOptionalBy default, the description string of aVLAN interface is the name of thisVLAN interface. “Vlan-interface1Interface” for example.Disable the VLAN interface shutdownEnable the VLAN Interface undo shutdownOptionalBy default, the VLAN interface isenabled. In this case, the VLANinterface’s status is determined by thestatus of the ports in the VLAN, that is,if all ports of the VLAN are down, theVLAN interface is down (disabled); ifone or more ports of the VLAN are up,the VLAN interface is up (enabled).If you disable the VLAN interface, theVLAN interface will always be down,regardless of the status of the ports inthe VLAN.The operation of enabling/disabling a VLAN’s VLAN interface does not influence the physical status ofthe Ethernet ports belonging to this VLAN.Displaying and Maintaining VLANTo do… Use the command… RemarksDisplay the VLAN interfaceinformationdisplay interface Vlan-interface[ vlan-id ]Display the VLAN information display vlan [ vlan-id [ to vlan-id ] |all | dynamic | static ]Available in any view