From the course: Networking Foundations: Protocols and CLI Tools

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How IGMP is used with multicast

How IGMP is used with multicast - Windows Server Tutorial

From the course: Networking Foundations: Protocols and CLI Tools

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How IGMP is used with multicast

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- [Instructor] Multicast is a technique primarily used to send traffic from one host to many simultaneously. It's commonly used to distribute a single video stream to multiple hosts at the same time, but is also used for services like dynamic routing protocol communication. The Internet Group Management Protocol is used by hosts and adjacent routers to join multicast groups. IGMP is used exclusively by IPv4 hosts as this was supplanted by multicast listener discovery in the ICMP version six suite for IPv6. IGMP allows a host that wants to receive specific multicast traffic to solicit a local router to have that multicast traffic sent on an interface. There are currently three versions of IGMP. Version two added the ability for a host to exit a multicast group. Version three added support for source specific multicast. The vast majority of networks don't have hosts plugged directly into router ports. Instead they go…

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