N-Tron 9000 Series - Manual (Page 134)

5/17/2007 page 134 of 138
Example 3 – Basic understanding of tagged VLANs (Admit – All)
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 -- 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 A2 Port A2 Adds VID 2 to packet
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 Unknown MAC Port A2 Floods VLAN 2
Port A3 Untagged Unknown MAC Port A4-D6 Adds VID 1 to packet & Floods VLAN 1
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 B2 -- Packet Discarded
Example 4 – Basic understanding of Hybrid 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 A3-A6,B1-B6,C1-C6,D1-D6 -- YES All 0
2 VLAN -2 A1-A2 A3-A4 YES All 0
Receiving
Port # Tagged VID
in packet Destination
Address Transmitting
Port #s Notes
Port A1 Untagged MAC on port A2 Port A2 Unicast Traffic
Port A1 Untagged MAC on port A3 Port A3 Adds VID 2 in the packet
Port A1 VID 4 MAC on port A2 -- Packet Discarded
Port A1 VID 4 MAC on port A3 -- Packet Discarded
Port A1 VID 2 MAC on port A2 Port A2 Strips VID off packet
Port A3 Untagged MAC on port A6 Port A6 Unicast Traffic
Port A3 Untagged Unknown MAC Port A4-D6 Floods VLAN 1
Port A3 VID 4 MAC on port A5 -- Packet Discarded
Port A3 VID 4 MAC on port A4 -- Packet Discarded
Port A3 VID 2 MAC on port A4 Port A4 Strips VID off packet
Port A3 VID 2 MAC on port A1 Port A1 Strips VID off packet
Port
No
Port
Name
PVID
1 A1 **
2 A2 **
3 A3 **
... … …
23 D5 **
24 D6 **
Port
No
Port
Name
PVID
1 A1 2
2 A2 2
3 A3 1
… … …
23 D5 1
24 D6 1