Example 3 – Basic understanding of tagged VLANs (Admit – All )
VLAN 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 | YES | All | 0 |
Ports Configuration View
Port | Port | PVID |
No | Name |
|
1 | P1 | ** |
2 | P2 | ** |
3 | P3 | ** |
... | … | … |
11 | P11 | ** |
12 | P12 | ** |
Receiving | Tagged VID | Destination | Transmitting | Notes |
Port # | in packet | Address | Port #s |
|
Port P1 | Untagged | MAC on port P2 | Port P2 | Adds VID 2 to packet |
Port P1 | VID 2 | MAC on port P2 | Port P2 | Unicast Traffic |
Port P1 | VID 4 | MAC on port P2 | Packet Discarded | |
Port P1 | VID 2 | Unknown MAC | Port P2 | Floods VLAN 2 |
Port P3 | Untagged | Unknown MAC | Port | Adds VID 1 to packet & Floods VLAN 1 |
Port P3 | VID 1 | MAC on port P6 | Port P6 | Unicast Traffic |
Port P3 | VID 1 | Unknown MAC | Port | Floods VLAN 1 |
Port P3 | VID 4 | MAC on port B2 | Packet Discarded |
Example 4 – Basic understanding of Hybrid VLANs
VLAN 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 | YES | All | 0 |
Ports Configuration View
Port Port PVID
No Name
1 P1 2
2 P2 2
3 P3 1
| … | … | … | |
|
|
|
|
|
11 P11 1
12 P12 1
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 | Port P3 | Adds VID 2 in the packet |
Port P1 | VID 4 | MAC on port P2 | Packet Discarded | |
Port P1 | VID 4 | MAC on port P3 | Packet Discarded | |
Port P1 | VID 2 | MAC on port P2 | Port P2 | Strips VID off packet |
Port P3 | Untagged | MAC on port P6 | Port P6 | Unicast Traffic |
Port P3 | Untagged | Unknown MAC | Port | Floods VLAN 1 |
Port P3 | VID 4 | MAC on port P5 | Packet Discarded | |
Port P3 | VID 4 | MAC on port P4 | Packet Discarded | |
Port P3 | VID 2 | MAC on port P4 | Port P4 | Strips VID off packet |
Port P3 | VID 2 | MAC on port P1 | Port P1 | Strips VID off packet |
6/28/2007 | page 140 of 145 |