KSZ9567R_V01 datasheet(104/233 Pages) MICROCHIP

104 / 233 page

KSZ9567R

DS00002329E-page 104

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5.1.4.66

IP DiffServ Priority Mapping 31 Register

5.1.4.67

Global Port Mirroring and Snooping Control Register

This register contains global controls for port mirroring and IGMP and MLD snooping. Mirroring also requires additional

register settings for the individual ports. Refer to the Port N: Port Switch Ingress Control Registers (0xN800 - 0xN8FF).

Address:

0x035F

Size:

8 bits

Bits

Description

Type

Default

RESERVED

6:4

When IPv4 / IPv6 DSCP field is 0x3F, use this value for priority

R/W

000b

RESERVED

2:0

When IPv4 / IPv6 DSCP field is 0x3E, use this value for priority

R/W

000b

Address:

0x0370

Size:

8 bits

Bits

Description

Type

Default

RESERVED

IGMP Snooping Enable (IPv4)

1 = IGMP snooping is enabled. All IGMP packets will be forwarded to the

host port.

0 = IGMP snooping is disabled.

R/W

5:4

RESERVED

00b

MLD Snooping Option

1 = Snooping criteria: IPv6 next header = 43, 44, 50, 51 or 60; or next header

= 0 and hop-by-hop next header = 43, 44, 50, 51 or 60.

0 = Snooping criteria: IPv6 next header = 1 or 58; or next header = 0 and

hop-by-hop next header = 1 or 58.

R/W

MLD Snooping Enable (IPv6)

1 = MLD snooping is enabled. All MLD packets will be forwarded to the host

port.

0 = MLD snooping is disabled.

R/W

RESERVED

Sniff Mode Select

1 = Sniffing filter is “Rx AND Tx”. Both the source port and destination ports

need to match.

0 = Sniffing filter is “Rx OR Tx”. Either the source port of the destination port

needs to match. This mode is used to implement Rx-only sniffing.

R/W

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