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Basic VLAN Interface Configuration
Configuration prerequisites
Before configuring a VLAN interface, create the corresponding VLAN.
Configuration procedure
Follow these steps to make basic VLAN interface configuration:
To do… Use the command… Remarks
Enter system view
system-view
—
Create a VLAN interface and
enter VLAN interface view
interface Vlan-interface
vlan-id
Required
By default, there is no VLAN interface
on a switch.
Specify the description string
for the current VLAN
interface
description text
Optional
By default, the description string of a
VLAN interface is the name of this
VLAN interface. “Vlan-interface1
Interface” for example.
Disable the VLAN interface
shutdown
Enable the VLAN Interface
undo shutdown
Optional
By default, the VLAN interface is
enabled. In this case, the VLAN
interface’s status is determined by the
status of the ports in the VLAN, that is,
if all ports of the VLAN are down, the
VLAN interface is down (disabled); if
one or more ports of the VLAN are up,
the VLAN interface is up (enabled).
If you disable the VLAN interface, the
VLAN interface will always be down,
regardless of the status of the ports in
the VLAN.
The operation of enabling/disabling a VLAN’s VLAN interface does not influence the physical status of
the Ethernet ports belonging to this VLAN.
Displaying and Maintaining VLAN
To do… Use the command… Remarks
Display the VLAN interface
information
display interface Vlan-interface
[ vlan-id ]
Display the VLAN information
display vlan [ vlan-id [ to vlan-id ] |
all | dynamic | static ]
Available in any view