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

--

P3-P12

YES

All

0

2

VLAN -2

--

P1-P2

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 P4-P12

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 P4-P12

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

P3-P12

--

YES

All

0

2

VLAN -2

P1-P2

P3-P4

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 P4-P12

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

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Image 140
N-Tron 7014FXE2 Example 3 Basic understanding of tagged VLANs Admit All, Example 4 Basic understanding of Hybrid VLANs