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Example
The following example shows how to prevent port 1 from being added to
VLAN 3:
Displaying VLAN Information
show vlan
This command shows VLAN information.
Syntax
show vlan [id vlan-id | name vlan-name]
• id - Keyword to be followed by the VLAN ID.
vlan-id - ID of the configured VLAN. (Range: 1-4093, no leading
zeroes)
• name - Keyword to be followed by the VLAN name.
vlan-name - ASCII string from 1 to 32 characters.
Default Setting
Shows all VLANs.
Command Mode
Normal Exec, Privileged Exec
Console(config)#interface ethernet 1/1
Console(config-if)#switchport forbidden vlan add 3
Console(config-if)#
Table 4-62 Displaying VLAN Information
Command Function Mode Page
show vlan Shows VLAN information NE,
PE
4-256
show interfaces
status vlan
Displays status for the specified VLAN interface NE,
PE
4-196
show interfaces
switchport
Displays the administrative and operational
status of an interface
NE,
PE
4-199