High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
14.5.3.18 Switch Engine Admit Only VLAN Register (SWE_ADMT_ONLY_VLAN)
Register #:
1842h
Size:
32 bits
This register is used to configure the per port ingress rule for allowing only VLAN tagged packets.
BITS
DESCRIPTION
TYPE
DEFAULT
31:3
2:0
RESERVED
RO
-
Admit Only VLAN
When set, untagged and priority tagged packets are filtered.
R/W
000b
The VLAN Enable bit in the Switch Engine Global Ingress Configuration
Register (SWE_GLOBAL_INGRSS_CFG) needs to be set for these bits to
have an affect.
There is one enable bit per ingress port. Bits 2,1,0 correspond to switch
ports 2,1,0 respectively.
SMSC LAN9312
387
Revision 1.2 (04-08-08)
DATASHEET
SMSC [ SMSC CORPORATION ]
