LAN9500 Datasheet, PDF (170/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

LAN950x
7.4.10 VLAN2 TAG REGISTER (VLAN2)
Address:
124h
Size:
32 bits
This register contains the VLAN tag field to identify VLAN2 frames. For VLAN frames the legal frame length is increased
from 1518 bytes to 1522 bytes.
Bits
31:16
15:0
Description
RESERVED
VLAN2 Tag Identifier (VTI2)
This contains the VLAN Tag field to identify the VLAN2 frames. This field is
compared with the 13^th and 14^th bytes of the incoming frames for VLAN2
frame detection.
Type
RO
R/W
Default
-
FFFFh
DS00001875A-page 170
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