lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 387

• Manufacturer Part Number: lan9312
• Description: Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

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