====== Fiberstore Switch untagged VLAN on trunk port ====== Make sure the VLAN you want to have untagged on the port (in this example VLAN ''203'') is part of ''vlan-allowed'' and ''vlan-untagged''. Then you set the actual untagged VLAN via ''pvid''. interface GigaEthernet0/2 switchport trunk vlan-allowed 201,203,205 switchport trunk vlan-untagged 203 switchport mode trunk switchport pvid 203