5/17/2007 page 133 of 138
VLAN Configuration Examples
Example 1 – Basic understanding of port based 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
A3-A6,B1-B6,C1-C6,D1-D6
-- YES All 0
2 VLAN -2 A1-A2 -- YES All 0
Receiving
Port #
Tagged VID
in packet
Destination
Address
Transmitting
Port #s
Notes
Port A1 Untagged MAC on port 2 Port A2 Unicast Traffic
Port A1 Untagged Unknown MAC Port A2 Floods VLAN 2
Port A1 VID 4 MAC on port 2 Port A2 Strips VID off packet
Port A3 Untagged MAC on port 5 Port A5 Unicast Traffic
Port A3 Untagged Unknown MAC Port A4-D6 Floods VLAN 1
Port A3 VID 4 MAC on port 6 Port A6 Strips VID off packet
Example 2 – Basic understanding of tagged VLANs (Admit – Tagged Only)
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
-- A3-A6,B1-B6,C1-C6,D1-D6
YES Tagged Only
0
2 VLAN -2 -- A1-A2 YES Tagged Only
0
Receiving
Port #
Tagged VID
in packet
Destination
Address
Transmitting
Port #s
Notes
Port A1 Untagged MAC on port A2 -- Packet Discarded
Port A1 VID 2 MAC on port A2 Port A2 Unicast Traffic
Port A1 VID 4 MAC on port A2 -- Packet Discarded
Port A1 VID 2 MAC on port A5 Port A2 Floods VLAN 2
Port A3 Untagged MAC on port A1 -- Packet Discarded
Port A3 VID 1 MAC on port A6 Port A6 Unicast Traffic
Port A3 VID 1 Unknown MAC Port A4-D6 Floods VLAN 1
Port A3 VID 4 MAC on port A8 -- Packet Discarded
Port
No
Port
Name
PVID
1 A1 2
2 A2 2
3 A3 1
... … …
23 D5 1
24 D6 1
Port
No
Port
Name
PVID
1 A1 **
2 A2 **
3 A3 **
... … …
23 D5 **
24 D6 **
