Displaying VLAN Information
30-13
30
Command Usage
• This command prevents a VLAN from being automatically added to the
specified interface via GVRP.
• If a VLAN has been added to the set of allowed VLANs for an interface, then
you cannot add it to the set of forbidden VLANs for that same interface.
Example
The following example shows how to prevent port 1 from being added to VLAN 3:
Displaying VLAN Information
This section describes commands used to display 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 30-5 Commands for Displaying VLAN Information
Command Function Mode Page
show vlan Shows VLAN information NE, PE 30-13
show interfaces status vlan Displays status for the specified VLAN interface NE, PE 24-9
show interfaces switchport Displays the administrative and operational status of an
interface
NE, PE 24-11
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