In the above test lab, Servers send multicast trafic to both clients. In IPv4, multicasting servers uses class D range of addresses: 224.0.0.0-239.255.255.255. Some addresses are well known and others for specific use… In our example, Server2 sends trafic (ping) to group ip @ 226.0.0.1. There’s no need on a cisco router to configure multicast … Continue reading Multicast routing: a step by step… Part 1