KSZ9563R datasheet(99/226 Pages) MICROCHIP

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DS00002419D-page 99

KSZ9563R

5.1.5

GLOBAL SWITCH LOOK UP ENGINE (LUE) CONTROL REGISTERS (0x0400 - 0x04FF)

The following registers are used for accessing the VLAN Table, Address Lookup Table, Static Address Table and the

Reserved Multicast Address Table. The organizations of these tables, and instructions for accessing them, are provided

in Section 5.3, "Tables and MIB Counters (Indirect Access)," on page 181.

5.1.5.1

VLAN Table Entry 0 Register

Address:

0x0400 - 0x403

Size:

32 bits

Bits

Description

Type

Default

VALID

This field in the VLAN Table specifies if the table entry is valid.

1 = Table entry is valid

0 = Table entry is invalid

R/W

30:28

RESERVED

000b

FORWARD OPTION

This field in the VLAN Table specifies how the forwarding ports are

determined.

1 = Forward to the VLAN Table port map (PORT FORWARD field).

0 = Forwarding ports are determined by other variables. It may be the ALU

port map, the VLAN port map, the combination of the two, or the Unknown

Unicast/Multicast feature.

R/W

26:24

PRIORITY

This field in the VLAN Table specifies the priority level.

R/W

000b

23:15

RESERVED

0000_0000_0b

14:12

MSTP INDEX

This field in the VLAN Table specifies the Multiple Spanning Tree Protocol

index.

R/W

000b

11:7

RESERVED

0000_0b

6:0

FID

This field in the VLAN Table specifies the Filter ID. The FID value is normally

combined with the destination address and then hashed to index the address

lookup table.

R/W

000_0000b

Note:

Refer to Section 5.3.4, "VLAN Table," on page 188 for additional information on VLAN tables.

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