LAN9353 Datasheet, PDF (295/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
10.7.3.8 Switch Engine ALR Override Register (SWE_ALR_OVERRIDE)
Register #:
180Ah
Size:
This register controls the ALR destination override function.
32 bits
Bits
31:11
10:9
Description
RESERVED
ALR Override Destination Port 2
When the ALR Override Enable Port 2 bit is set, packets received on Port 2
are sent to the port(s) specified by this field.
Value
00
01
10
11
Port(s)
Port 0
Port 1
RESERVED
RESERVED
8
ALR Override Enable Port 2
When set, the ALR Destination MAC Address lookup result for packets
received on port 2 are ignored and replaced with the value in ALR Override
Destination Port 2.
Note: The ALR associated data Age 1/Override, Static, Age 0/Filter,
Priority Enable and Priority are still used.
Note: Forwarding rules described in Section 10.3.2 are still followed.
7
RESERVED
6:5 ALR Override Destination Port 1
When the ALR Override Enable Port 1 bit is set, packets received on Port 1
are sent to the port(s) specified by this field.
Value
00
01
10
11
Port(s)
Port 0
RESERVED
Port 2
RESERVED
4
ALR Override Enable Port 1
When set, the ALR Destination MAC Address lookup result for packets
received on port 1 are ignored and replaced with the value in ALR Override
Destination Port 1.
Note: The ALR associated data Age 1/Override, Static, Age 0/Filter,
Priority Enable and Priority are still used.
Note: Forwarding rules described in Section 10.3.2 are still followed.
3
RESERVED
Type
RO
R/W
R/W
RO
R/W
R/W
RO
Default
-
00b
0b
-
00b
0b
-
 2015 Microchip Technology Inc.
DS00001925A-page 295