VLAN COMMANDS

Example

The following example shows how to add VLANs 1, 2, 5, and 6 to the allowed list as tagged VLANs for port 1:

Console(config)#interface ethernet 1/1 Console(config-if)#switchport allowed vlan add 1,2,5,6 tagged Console(config-if)#

switchport forbidden vlan

Use this command to configure forbidden VLANs. Use the no form to remove the list of forbidden VLANs.

Syntax

switchport forbidden vlan {add vlan-listremove vlan-list} no switchport forbidden vlan

add vlan-list- List of VLAN IDs to add.

remove vlan-list- List of VLAN IDs to remove.

Separate nonconsecutive VLAN IDs with a comma and no spaces; use a hyphen to designate a range of IDs. Do not enter leading zeroes. (Range: 1-4094)

Default Setting

No VLANs are included in the forbidden list.

Command Mode

Interface Configuration (Ethernet, Port Channel)

Command Usage

This command prevents a VLAN from being automatically added to the specified interface via GVRP.

Example

The following example shows how to prevent port 1 from being added to VLAN 3:

Console(config)#interface ethernet 1/1

Console(config-if)#switchport forbidden vlan add 3

Console(config-if)#

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SMC Networks SMC7724M/VSW manual Switchport forbidden vlan, No VLANs are included in the forbidden list