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What is IGMP Snooping?
The traditional mode of unicast transmission over the network does not meet modern data transmission requirements, because instead it increases the load on the network and significantly consumes network bandwidth. IGMP Snooping was developed to solve this problem.
• IGMP (Internet Group Management Protocol) is a multicast network management protocol that organizes multiple devices into groups. It is based on the IP protocol and is used everywhere on the Internet, effectively using network resources.
• IGMP snooping is the process of tracking multicast traffic between a consumer group and a host. The snooping function analyzes user requests to connect to a multicast group and adds the port to the IGMP broadcast list. After completing the use of multi-traffic, the user leaves the request and protocol, removes the port from the list of group data transfer. Thus, snooping eliminates the transmission of unnecessary data through multicast channels.
