switchport trunk allowed vlan

This command is used to configure the VLANs available on the trunk (when the interface is in trunking mode).

Syntax

switchport trunk allowed vlan add <vlan id>
switchport trunk allowed vlan remove <vlan id>

Command

Description

add

Adds an entry to the list of allowed VLANs.

remove

Removes an entry from the list of allowed VLANs.

<vlan id>

Specifies a valid VLAN interface ID. Range is 1 to 3999.

Default

NA

Note

VLAN ID values range from 1 to 3999.

Command Mode

Privileged User

Related Commands

switchport mode

Example

This example adds VLAN 3 to the VLAN trunk defined for GigabitEthernet 4/2:

(conf-if-GE 4/2)# switchport trunk allowed vlan add 3