да
http://www.cisco.com/en/US/tech/tk389/tk689/technologies_configuration_example09186a008009478e.shtml#xl Configure the Fast Ethernet 0/1 port in multi-VLAN mode, and add assigned VLANs to the multi-VLAN port.
6-3512xl#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
6-3512xl(config)#interface fastethernet 0/1
6-3512xl(config-if)#switchport mode multi
!--- This command changes the port Fast Ethernet 0/1 mode to multi.
6-3512xl(config-if)#switchport multi vlan ?
LINE VLAN IDs of VLANs to be used in multi-VLAN mode
add add VLANs to the current list
remove remove VLANs from the current list
6-3512xl(config-if)#switchport multi vlan 1,2,3
!--- This command assigns VLANs 1, 2, and 3 to multi-VLAN port Fast Ethernet 0/1.
6-3512xl(config-if)#^Z
6-3512xl#
Но все же договорись если что на возврат или замену.