See Access SEFOS Interface Configuration Mode.
For example, to access SEFOS Interface Configuration mode for port 2, type:
SEFOS(config)# interface gigabitethernet 0/2 SEFOS(config-if)#
For this instance, port 2 is removed from VLAN with ID 13.
SEFOS(config-if)# no switchport access vlan SEFOS(config-if)#
SEFOS(config-if)# exit SEFOS(config)#