Feature: From the same source, the same VLAN, send different translated VLANs to the same port.
Situation: I have central managed switch. In one port I have some computer with fixed PVID. Other port is connected to ESXi. In ESXi there are many portgroups all with different unique VLANs. Now I want send my computer traffic to those portgroups (unidirection VLAN only). For this computer default PVID VLAN must be converted to all those portgroups VLANS and send them all simultaneously to the same ESXi port…For return packets there is no problem - each portgroup send with its own VLAN traffic to the central switch and switch just transfer tarffic untaged to computer port.