SMSC LAN9311i User Manual

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

Revision 1.4 (08-19-08)

426

SMSC LAN9311/LAN9311i

 

17:16

Egress Port Type Port 2
These bits set the egress port type which determines the tagging/un-tagging 
rules.

R/W

0b

15:14

RO

-

13

Insert Tag Port 1
Identical to Insert Tag Port 2 definition above.

R/W

0b

12

Change VLAN ID Port 1
Identical to Change VLAN ID Port 2 definition above.

R/W

0b

11

Change Priority Port 1
Identical to Change Priority Port 2 definition above.

R/W

0b

10

Change Tag Port 1
Identical to Change Tag Port 2 definition above.

R/W

0b

9:8

Egress Port Type Port 1
Identical to Egress Port Type Port 2 definition above.

R/W

0b

7:6

RO

-

5

Insert Tag Port 0(Host MAC)
Identical to Insert Tag Port 2 definition above.

R/W

0b

4

Change VLAN ID Port 0(Host MAC)
Identical to Change VLAN ID Port 2 definition above.

R/W

0b

3

Change Priority Port 0(Host MAC)
Identical to Change Priority Port 2 definition above.

R/W

0b

2

Change Tag Port 0(Host MAC)
Identical to Change Tag Port 2 definition above.

R/W

0b

1:0

Egress Port Type Port 0(Host MAC)
Identical to Egress Port Type Port 2 definition above.

R/W

0b

Dumb
Packets from regular ports pass untouched. Special tagged packets from the 
Host MAC port have their tagged stripped.

Access
Tagged packets (including special tagged packets from the Host MAC port) 
have their tagged stripped.

Hybrid
Supports a mix of tagging, un-tagging and changing tags. See 

 for additional 

details.

CPU
A special tag is added to indicate the source of the packet. See 

 for additional 

details.