3Com Switch 8800 Family Configuration Guide

56 CHAPTER 7: VLAN CONFIGURATION
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CAUTION:
■ VLAN 1 is the system-default VLAN and cannot be removed.
■ VLANs with their ports being VLAN VPN-enabled cannot be removed.
■ Guest VLANs cannot be deleted.
■ Protocol-enabled VLANs cannot be deleted.
Specifying a Description
Character String for a
VLAN or VLAN interface
You can use the following commands to specify a description character string for a
VLAN or VLAN interface.
Perform the following configuration in VLAN view or VLAN interface view.
By default, the description character string of a VLAN is the VLAN ID of the VLAN,
such as VLAN 0001. The description character string of a VLAN interface is the
VLAN interface name, such as Vlan-interface1 Interface.
Naming the Current
VLAN
You can use the following command to name the current VLAN.
Perform the following configuration in VLAN view.
By default, the name of the current VLAN is its VLAN ID.
Shutting down/Bringing
up a VLAN Interface
You can use the following commands to shut down/bring up a VLAN interface.
Perform the following configuration in VLAN interface view.
Shutting down or bringing up a VLAN interface has no effect on the status of any
Ethernet port in this VLAN.
By default, when all the Ethernet ports in a VLAN are in the Down state, this VLAN
interface is also Down. When there are one or more Ethernet ports in the Up state,
this VLAN interface is also Up.
Tabl e 35 Specify a description character string for a VLAN or VLAN interface
Operation Command
Specify a description character string for a
VLAN or VLAN interface
description string
Restore the default description of the current
VLAN or VLAN interface
undo description
Tabl e 36 Name the current VLAN
Operation Command
Name the current VLAN name
Restore the default name of the current VLAN undo name
Tabl e 37 Shut down/bring up a VLAN interface
Operation Command
Shut down a VLAN interface shutdown
Bring up a VLAN interface undo shutdown