Web-based Configuration Guide L2 Multicast
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5 L2 Multicast
5.1 Multicast Overview
IP transmission methods are categorized into unicast, multicast, and broadcast. In IP multicast, an IP packet is
sent from a source and forwarded to a specific group of receivers. Compared with unicast and broadcast, IP
multicast saves bandwidth and reduces network loads. Therefore, IP multicast is applied to different network
services that have high requirements for real timeliness, for example, Internet TV, distance education, live
broadcast and multimedia conference.
5.2 Multicast Global Settings
Choose Local Device > Multicast > Global Settings.
Global Settings allow you to specify the version of the IGMP protocol, whether to enable report packet
suppression, and the behavior for processing unknown multicast packets.
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