Internet protocol (IP) multicast technology has matured quite a bit since it was first deployed in the late 1990s. Multicast-enabled applications such as webinars, video/audio conferences, Internet ...

🟢 What is IGMP? IGMP (Internet Group Management Protocol) is a network-layer protocol used in IPv4 networks to manage multicast group memberships. In simple terms: It lets hosts (like computers) tell ...

This is a repeat of example 1, just forcing IGMP v2 instead of v3. Everything works as expected. The switch spoofs the group-specific leave query before telling the router to prune the group. This ...