XS712T Smart Switch

Multicast

Multicast IP traffic is traffic that is destined to a host group. Host groups for IPv4 multicast are identified by class D addresses, which range from 224.0.0.0 to 239.255.255.255. Host groups for IPv6 multicast are identified by the prefix ff00::/8.

The Multicast menu contains links described in the following sections.

Bridge Multicast Forwarding

MFDB Table

MFDB Statistics

Auto-Video

IGMP Snooping

IGMP Snooping Querier

MLD Snooping

Bridge Multicast Forwarding

When you create a VLAN, a default multicast forwarding option is assigned. You can use the Global Multicast Mode setting to set all VLANs currently configured on the switch to a selected forwarding mode. The global setting does not create a default setting for VLANs created subsequently—it simply ensures that all existing VLANs are configured with the specified mode. You can also configure how the switch forwards multicast packets on an individual or per-VLAN basis.

To configure bridge multicast forwarding:

1.Select Switching > Multicast > MFDB > Bridge Multicast Forwarding.

2.Select the VLAN for which the Forwarding Mode is to be changed.

3.From the Forwarding Mode menu, select the forwarding mode. Possible values are:

Forward Unregistered. If a packet is received from a VLAN with a multicast destination address and no ports in the VLAN are registered to receive multicast packets for that address, then the packet is flooded to all ports in the VLAN. The

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NETGEAR XS712T-100NES manual Bridge Multicast Forwarding, 111