AR8327-AL1A-R datasheet(159/394 Pages) ETC2

159 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

Switch

•

159

R/W

MULTI_LEAKY_EN

Multicast frame leaky VLAN enable.

Also use ARL_MULTI_LEAKY_EN and LEAKY_EN

bit in ARL table to control unicast leaky VLAN.

When ARL_MULTI_LEAKY_EN is set to zero, only

MULTI_LEAKY_EN control multicast frame leaky

VLAN.

If ARL_MULTI_LEAKY_EN is set to 1'b1, only

frame with DA in ARL table and LEAKY_EN bit is

set to 1'b1 can be forward as leaky VLAN, ignore

MULTI_LEAKY_EN.

if mac receive multicast frame from this port which

should forward as leaky VLAN, the frame could be

switched to destination port defined in ARL table

and cross all VLAN ( include port base VLAN and

802.1q ).

R/W

ARP_LEAKY_EN_4

1'b1: if mac receive ARP frame from this port, it can

cross all VLAN ( include port base VLAN and

802.1q ). 1'b0: ARP frame can't cross vlan

R/W

ING_MIRROR_EN_4 Ingress port mirror. If this bit is set to 1'b1, all

packets received from this port should be copied to

mirror port.

R/O

RESERVED

R/O

RESERVED

R/O

RESERVED

R/W

1'b0

PORT_LOOPBACK_

EN_4

1'b1: LOOP BACK. Packet sent in from this port will

be sent out from the same port. This packet will not

sent to other ports

1'b0: NORMAL FORWARDING

R/W

1'b1

LEARN_EN_4

Enable learn operation.

1'b1: enable hardware learn new MAC address into

ARL table.

1'b0: won't learn new MAC address to ARL table

R/O

RESERVED

Bit

R/W

Inital

Value

Mnemonic

Description

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