Gigabyte 7014 user manual Example 5 - Basic understanding of Overlapping VLANs

Example 5 – Basic understanding of Overlapping VLANs

VLAN Configuration View Ports Configuration View

VLAN Status : Enable

VLAN ID VLAN Name Untagged Port(s) Tagged Port(s) Mgmt Port Admit Mirror Port

1	Default VLAN	--	--	YES	All	0
2	VLAN -2	P1-P12	--	YES	All	0
3	VLAN -3	P2-P12	--	YES	All	0
4	VLAN -4	P1-P2	--	YES	All	0

Port	Port
	Na	PVID
No	me

1	P1	4
2	P2	2
3	P3	3
4	P4	2
5	P5	3

...	…	…
11	P11	3
12	P12	3

Receiving	Tagged VID	Destination	Transmitting	Notes
Port #	in packet	Address	Port #s
Port P1	Untagged	MAC on port P2	Port P2	Unicast Traffic
Port P1	Untagged	MAC on port P3	--	Packet Discarded
Port P1	VID 4	MAC on port P2	Port P2	Strips VID off packet
Port P1	VID 4	Unknown MAC	Port P2	Strips VID off packet & Floods VLAN
				4
Port P2	Untagged	MAC on port P1	Port P1	Unicast Traffic
Port P2	Untagged	MAC on port P5	Port P5	Unicast Traffic
Port P2	VID 2 or 3	MAC on port P5	Port P5	Strips VID off packet
Port P2	Untagged	Unknown MAC	Port P4	Floods VLAN 2
Port P3	Untagged	MAC on port P1	--	Packet Discarded
Port P3	Untagged	MAC on port P2	Port P2	Unicast Traffic
Port P3	Untagged	MAC on port P5	Port P5	Unicast Traffic
Port P3	VID 2 or 3	MAC on port P2	Port P2	Strips VID off packet

Rev. 051208 page 148 of 152