3Com 10014298 manual Setting or Deleting the Vlan Description Character String

Configuring VLANs 55

Setting or Deleting the VLAN Description Character String

You can use the following command to set or delete the VLAN description character string.

The description character strings, such as workgroup_name and department_name, are used to distinguish the different VLANs.

Perform the following configuration in VLAN view.

Table 48 Setting and Deleting VLAN Description Character String

Operation	Command
Set the description character	description string
string for the specified VLAN
Delete the description	undo description
character string of the
specified VLAN

By default, the string parameter is null.

Specifying or Removing VLAN Interfaces

You can use the following command to specify or remove the VLAN interfaces. To implement the network layer function on a VLAN interface, the VLAN interface should be set the IP address and mask. For the corresponding configuration, refer to “Network Protocol Operation” on page 67.

Perform the following configurations in system view.

Table 49 Specifying and Removing VLAN interfaces

OperationCommand

Create a new VLAN interface interface vlan-interfacevlan_id and enter VLAN interface view

Remove the specified VLAN undo interface vlan-interfacevlan_id interface

Create a VLAN before creating an interface for it.

Shutting Down or Enabling a VLAN Interface

You can use the following command to shut down or enable VLAN interface.

Perform the following configuration in VLAN interface view.

Table 50 Shutting Down or Enabling a VLAN Interface

Operation	Command
Shut down the VLAN interface	shutdown
Enable the VLAN interface	undo shutdown

The operation of shutting down or enabling the VLAN interface has no effect on the UP/DOWN status of the Ethernet ports in the VLAN.

By default, when the status of all Ethernet ports in a VLAN is DOWN, the status of the VLAN interface is DOWN also so the VLAN interface is shut down. When the