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NE20E-S V800R010C10SPC500 Feature Description - IP Multicast 01

This is NE20E-S V800R010C10SPC500 Feature Description - IP Multicast
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Multicast Packet Forwarding

Multicast Packet Forwarding

In the multicast models, an IP packet's destination address is a multicast group address. A multicast source sends data packets to the host group identified by the destination address. To transmit packets to all receivers, a router on the forwarding path needs to send a packet received from an incoming interface to many outgoing interfaces. To perform these tasks, multicast models use the following functions:

  • A multicast routing table guides the forwarding of multicast packets.

  • Reverse path forwarding (RPF) ensures that multicast routing uses the shortest path tree. RPF is used by most multicast protocols to create multicast route entries and forward packets.

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Updated: 2019-01-03

Document ID: EDOC1100055119

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