SMSC LAN9311 User Manual

Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface

Revision 1.4 (08-19-08)

80

SMSC LAN9311/LAN9311i

 

Hybrid tagging is summarized in 

.

The default VLAN ID and priority of each port may be configured via the following registers:

„

„

„

Insert Tag

[egress_port]

Default VID 

[ingress_port] 

Un-tag Bit 

Y

Non-tagged

Y

Add Tag

VID =  Default  VID 

[ingress_port]

Priority = Default Priority 

[ingress_port]

Y

Send Packet Untouched

N

Priority Tagged

Default VID 

[ingress_port] 

Un-tag Bit 

Y

Strip Tag

N

Normal Tagged

Received VID 

Un-tag Bit

Y

Strip Tag

Change Tag 

[egress_port]

N

N

Send Packet Untouched

Y

Change Priority 

[egress_port]

Modify Tag

VID = Default VID 

[ingress_port]

Priority = Default Priority 

[ingress_port]

N

Change VLAN ID 

[egress_port]

Change Priority 

[egress_port]

Change Priority 

[egress_port]

Y

N

N

Modify Tag

VID = Default VID 

[egress_port]

Priority = Default Priority 

[egress_port]

Y

Modify Tag

VID = Default VID 

[egress_port]

Priority = Unchanged

N

Y

Modify Tag

VID = Unchanged

Priority = Default Priority 

[egress_port]

Special Tagged

Strip Tag

Modify Tag

VID = Default VID 

[ingress_port]

Priority = Unchanged

N

Receive Tag 

Type