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Configuration Guide - IP Multicast

CloudEngine 12800 and 12800E V200R005C10

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.
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IP Multicast Basics

IP Multicast Basics

This chapter describes fundamentals of IP multicast that you need to learn before configuring IP multicast features.

IP multicast enables point-to-multipoint data transmission. A multicast source sends only one copy of data, which is copied and distributed on network nodes as far from the multicast source as possible. The multicast data is sent only to the receivers that have requested the data.

NOTE:

In this chapter, the word "router" and the router icon used in figures refer to a conventional router or a Layer 3 switch.

Multicast resources are shared by multiple services including VLAN, MAC, Eth-Trunk, M-LAG, Layer 2 protocol transparent transmission, Layer 3 physical interface, and multicast. If multicast resources in the system are insufficient for any of these services you are configuring, the system will display a configuration failure message. To solve this problem, you can delete some unnecessary service configuration, for example, delete unused VLANs.

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Updated: 2019-04-20

Document ID: EDOC1100074724

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