DM9106 datasheet(39/92 Pages) DAVICOM

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DM9106

3-port switch with PCI Interface

Preliminary datasheet

DM9106-DS-P01

July 9, 2009

6:5

UIPMPC

PH0,R

Unregistered IP Multicast Packet Control

The IP multicast packet with a destination address which does not match any of

groups announced in earlier IGMP Membership Reports, i.e. not found in the IGMP

membership table.

00: As normal multicast packets

01: Dropped.

10: Force forward to processor port.

11: Forward to all ports except incoming & uP port.

UD_IGR

PH0,R

User-defined IGMP Router Port Configuration Enable

0: Disable, the router portmap is automatic manipulation via IGMP snooping.

1: Enable, the router portmap is static defined by user.

SIGS2UP

PH0,R

IGMP Packet Forward to uP Port only when Software-IGS

HIGS2UP

PH0,R

IGMP Packet Forward to uP Port also when Hardware-IGS

0: IGMP packet doesn’t forwards to processor port when Hardware based IGMP

Snooping is enabled.

1: IGMP packet also forwards to processor port when Hardware based IGMP

Snooping is enabled.

SIGS_EN

PH0,R

Software-based IGMP Snooping Enable

0: Hardware based IGMP Snooping, without software intervention. (default)

1: Software based IGMP Snooping

IGS_EN

PH0,R

IGMP Snooping Enable

0: Disable

1: Enable

6.2.21 Per Port VLAN Tag Byte Register (CR20)

Bit

Name

Default

Description

31:28

BLK_UKP

0,RW

Ports of Unknown Packet Be Blocked

The packets with DA field not found in address table are not forward to the

assigned ports.

These bits can be written if CR17.5=1

27:24

BLK_BP

0,RW

Ports of Broadcast Packet Be Blocked

The received broadcast packets are not forward to the assigned ports.

These bits can be written if CR17.5=1

23:20

BLK_MP

0,RW

Ports of Multicast Packet Be Blocked

The received multicast packets are not forward to the assigned ports.

These bits can be written if CR17.5=1

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