Lobos Tech LB-FEA800M - Manual (Page 59)

No VLAN
802.1Q(Tag VLAN) without GVRP VLAN mode
802.1Q(Tag VLAN) with GVRP VLAN mode (Default)
Port Based
Also, three kind of typologies shown as below indicate how the IGMP
Query work within a network:
1. This topology has to be set for when the router’s IP address is
smaller than other Switch in subnet.
2. This topology has to be set for when the router’s IP address is not
smaller than other Switch in subnet.