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Configuring Multicast Forwarding

Page 151

Chapter 11.Configuring Multicast Forwarding

Multicast forwarding allows a single packet to be forwarded to multiple destinations. Layer 2 Multicast service is

based on a Layer 2 switch receiving a single packet addressed to a specific Multicast address. Multicast

forwarding creates copies of the packet, and transmits the packets to the relevant ports. The Internet Group

Management Protocol (IGMP) allows hosts to notify their local switch or router that they want to receive

transmissions assigned to a specific Multicast group.

Multicast forwarding enables transmitting packets from either a specific Multicast group to a source, or from a non-

specific source to a Multicast group.

The device supports IGMPv1, IGMPv2, and IGMPv3.

This section contains the following topics:

• Configuring IGMP Snooping

• Defining Multicast Bridging Groups

• Defining Multicast Forward All Settings

• Defining Unregistered Multicast Settings

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