Layer 2 Switching Commands 821• add—Associates the secondary VLAN with the primary one.• remove—Deletes the secondary VLANs from the primary VLANassociation.• secondary-vlan-list—A list of secondary VLANs to be mapped to a primaryVLAN.Default ConfigurationThis command has no default association or mapping configuration.Command ModeInterface Configuration (physical or port-channel)User GuidelinesThis command has no user guidelines.Exampleconsole(config)#vlan 10,20console(config-vlan10,20)#exitconsole(config)#interface gigabitethernet 1/0/8console(config-if-Gi1/0/8)#switchport private-vlan host-association 10 20switchport trunkUse the switchport trunk command in Interface Configuration mode toconfigure VLAN membership for a trunk port or to set the native VLAN foran interface in Trunk Mode.Syntaxswitchport trunk {allowed vlan vlan–list | native vlan vlan–id}no switchport trunk { allowed | native } vlan• vlan–list —Set the list of allowed VLANs that can receive and send trafficon this interface in tagged format when in trunking mode. The default isall. The vlan–list format is as follows:The vlan-list format is all | [add | remove | except] vlan–atom [, vlan–atom...] where:
