SMSC LAN9311 User Manual

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

SMSC LAN9311/LAN9311i

379

Revision 1.4 (08-19-08)

 

This register is used to read the VLAN or Port VID tables.

Register #:

180Eh

Size:

32 bits

31:18

RO

-

17:0

Port Default VID and Priority
When the port VID table is selected (PVIDnVLAN=1 of the 

), bits 11:0 of this field specify 

the default VID for the port and bits 14:12 specify the default priority. All 
other bits of this field are reserved. These bits are used when a packet is 
received without a VLAN tag or with a NULL VLAN ID. By default, the VID 
and priority for all three ports is 0.

VLAN Data
When the VLAN table is selected (PVIDnVLAN=0 of the 

), the bits form the VLAN 

table entry as follows:

RO

00000h

Member Port 2
Indicates the configuration of Port 2 for this VLAN entry.

 - Packets with a VID that matches this entry 

are allowed on ingress. The port is a member of the 
broadcast domain on egress.

 - Packets with a VID that matches this 

entry are filtered on ingress unless the Admit Non Member 
bit in the 

 is set for this port. The port is 

not a member of the broadcast domain on egress.

0b

Un-Tag Port 2
When this bit is set, packets received on Port 2 with a VID 
that matches this entry will have their tag removed when re-
transmitted by egress ports that are designated as Hybrid 
ports via the 

.

0b

Member Port 1
See description for Member Port 2.

0b

Un-Tag Port 1
See description for Un-Tag Port 2.

0b

Member Port 0 (Host MAC)
See description for Member Port 2.

0b

Un-Tag Port 0 (Host MAC)
See description for Un-Tag Port 2.

0b

VID
These bits specify the VLAN ID associated with this VLAN 
entry.

000h