Multicast Router responsibilities Learn of the existence of multicast groups (through advertisement) Identify links with group members Establish state to route packets Replicate packets on appropriate interfaces Routing entry Src, incoming interface List of outgoing interfaces Lecture11:10-3-2006Lecture 11: 10-3-2006 8 Multicast Router Responsibilities • Learn of the existence of multicast groups (through advertisement) • Identify links with group members • Establish state to route packets • Replicate packets on appropriate interfaces • Routing entry: Src, incoming interface List of outgoing interfaces