3Com SuperStack 4, Configuration Manual

Page: 55 / 432

VLAN Configuration 67
Create a VLAN first before creating an interface for it.
For this configuration task,
vlan_id
takes the VLAN ID.
Shutting Down/Enabling the VLAN Interface
Use the following command to shut down/enable a VLAN interface.
Perform the following configuration in VLAN Interface View.
The operation of shutting down or enabling the VLAN interface has no effect on
the UP/DOWN status of the Ethernet ports on the local VLAN.
By default, when all the Ethernet ports belonging to a VLAN are in DOWN status,
this VLAN interface is also DOWN, that it, this VLAN interface is shut down. When
there is one or more Ethernet ports in UP status, this VLAN interface is also UP, that
is, this VLAN interface is enabled.
Displaying and
Debugging VLAN
After the above configuration, enter the
display
command in any view to display
the running of the VLAN configuration, and to verify the effect of the
configuration.
VLAN Configuration
Example One
Networking Requirements
Create VLAN2 and VLAN3. Add GigabitEthernet1/0/1 and GigabitEthernet1/0/2 to
VLAN2 and add GigabitEthernet1/0/3 and GigabitEthernet1/0/4 to VLAN3.
Remove the specified VLAN interface
undo interface
vlan-interface
vlan_id
Table 56 Shutting Down/Enabling the VLAN Interface
Operation Command
Shut down the VLAN interface
shutdown
Enabling the VLAN interface
undo shutdown
Table 55 Specifying/Removing the VLAN Interface
Operation Command
Table 57 Displaying and Debugging a VLAN
Operation Command
Display information about the VLAN interface
display interface
Vlan-interface
[
vlan_id
]
Display information about the VLAN
display vlan
[
vlan_id
|
all
|
static
|
dynamic
]