Example 3 – Basic understanding of tagged VLANs (Admit – All)
Receiving
Tagged VID
Port #
in packet
TX1
Untagged
TX1
VID 2
TX1
VID 4
TX1
VID 2
TX3
Untagged
TX3
VID 1
TX3
VID 1
TX3
VID 4
(Revised 2012-10-5)
Destination
Transmitting
Address
Port #s
MAC on port TX2
TX2
MAC on port TX2
TX2
MAC on port TX2
--
Unknown MAC
TX2
Unknown MAC
TX4-TX8
MAC on port TX6
TX6
Unknown MAC
TX4-TX8
MAC on port TX7
--
Notes
Adds VID 2 to packet
Unicast Traffic
Packet Discarded
Floods VLAN 2
Adds VID 1 to packet & Floods VLAN 1
Unicast Traffic
Floods VLAN 1
Packet Discarded
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