https://matt-thomas.work/tags/multicast/Recent content in Multicast on Matt ThomasHugo -- 0.154.4en-gbWed, 08 Apr 2026 12:00:00 +0000https://matt-thomas.work/posts/igmp-media-networks/Wed, 08 Apr 2026 12:00:00 +0000https://matt-thomas.work/posts/igmp-media-networks/IP multicast is the foundation of ST 2110 and AES67 transport. IGMP is the protocol that keeps it under control - without it, every multicast stream floods every port on every switch. Here is what it does, how it works, and what it means for a spine-leaf media network.