N-Tron 708M12 - Manual (Page 148)

(Revised 2011-07-20) Page 148 of 156
Example 4 – Basic understanding of Hybrid VLANs
Receiving
Port # Tagged VID
in packet Destination
Address Transmitting
Port #s Notes
TX1 Untagged MAC on port TX2 TX2 Unicast Traffic
TX1 Untagged MAC on port TX3 TX3 Adds VID 2 in the packet
TX1 VID 4 MAC on port TX2 -- Packet Discarded
TX1 VID 4 MAC on port TX3 -- Packet Discarded
TX1 VID 2 MAC on port TX2 TX2 Strips VID off packet
TX3 Untagged MAC on port TX6 TX6 Unicast Traffic
TX3 Untagged Unknown MAC TX4-TX8 Floods VLAN 1
TX3 VID 4 MAC on port TX5 -- Packet Discarded
TX3 VID 4 MAC on port TX4 -- Packet Discarded
TX3 VID 2 MAC on port TX4 TX4 Does not strip VID off packet
TX3 VID 2 MAC on port TX1 TX1 Strips VID off packet