SMC Networks SMC8606T Management Manual page 136

W I
EB NTERFACE
Use the screens shown below to assign ports to the specified VLAN
group as an IEEE 802.1Q tagged port. Assign ports as tagged if they
are connected to 802.1Q VLAN compliant devices. If the port is
connected to VLAN-unaware devices, frames will be passed to the
untagged VLAN group to which this port has been assigned under the
VLAN Port Configuration screen (page 3-41).
Parameter
Egress Ports
Forbidden Egress
Ports
Untagged Ports
3-40
Description
Adds ports to the specified VLAN.
Prevents a port from being automatically added to
this VLAN via GVRP.
Adds untagged ports to the specified VLAN.