N-Tron 708M12 - Manual (Page 142)

(Revised 2011-07-20) Page 142 of 156
The ports of ‖New VLAN‖ may be added back to ―Default VLAN‖ to create overlapping VLANs.
Note: If there are multiple ports on different VLANs, the 708 will apply the static multicast address to the
lowest VLAN-ID that is associated with one of the ports assigned to the static multicast address. If the
lowest VLAN-ID contains all the ports assigned to the static multicast address (an umbrella VLAN), it will
function for all those ports with no problems. This can be achieved with overlapping VLANs.
But notice that the ports in ―New VLAN‖ are not marked as ―Untag on Egress‖ and are thus still tagged.
And the ―New VLAN‖ may be deleted when it is no longer required: