78 CHAPTER 5: VLAN C ONFIGURATIONBasic VLAN InterfaceConfigurationConfiguration prerequisitesBefore configuring a VLAN interface, create the corresponding VLAN.Configuration proceduren ■ The operation of enabling/disabling a VLAN’s VLAN interface does notinfluence the physical status of the Ethernet ports belonging to this VLAN.■ A Switch 4210 can be configured with a single VLAN interface only, and theVLAN must be the management VLAN. For details about the managementVLAN, refer to “Managing the VLAN” on page 83.Displaying VLANConfigurationAfter the configuration above, you can execute the display command in any viewto display the running status after the configuration, so as to verify theconfiguration.Table 43 Basic VLAN interface configurationOperation Command DescriptionEnter system view system-view -Create a VLANinterface and enterVLAN interface viewinterface Vlan-interface vlan-id RequiredBy default, there is no VLANinterface on a switch.Specify thedescription string forthe current VLANinterfacedescription text OptionalBy default, the description stringof a VLAN interface is the name ofthis VLAN interface."Vlan-interface1 Interface" forexample.Disable the VLANinterfaceshutdown OptionalBy default, the VLAN interface isenabled. In this case, the VLANinterface’s status is determined bythe status of the ports in theVLAN, that is, if all ports of theVLAN are down, the VLANinterface is down (disabled); if oneor more ports of the VLAN are up,the VLAN interface is up (enabled).If you disable the VLAN interface,the VLAN interface will always bedown, regardless of the status ofthe ports in the VLAN.Enable the VLANInterfaceundo shutdownTable 44 Display VLAN configurationOperation Command DescriptionDisplay the VLAN interfaceinformationdisplay interface Vlan-interface [vlan-id ]You can execute thedisplay command in anyview.Display the VLANinformationdisplay vlan [ vlan-id [ to vlan-id ] |all | dynamic | static ]
