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IP multicast is a method of sending Internet Protocol (IP) datagrams to a group of interested receivers in a single transmission. It is often employed for streaming media applications on the Internet and private networks.


This session is an overview of the fundamentals of IP Multicast covering the basics of IP Multicast components such as Layers 2 and 3 addressing, host-router signalling (IGMP v1-v3), distribution trees, and Reverse Path Forwarding.  This session is for network engineers in network environments who have no previous background in IP Multicast.


This session shows how the Cisco IOS set of command-line tools can be used to provide access and admission control to the network or router (for protocol security and prevention of attacks), as well as to multicast applications, and shows how to control their intended usage. Explicit examples for common cases are presented. The session also gives an overview of the current and upcoming functions available for IP Multicast with IP Security, discusses ways to dynamically provision or control multicast application usage, and reviews multicast and firewalls. This session covers requirements in both enterprise and service provider networks when using IP Multicast.


This session presents a look at basic multicast troubleshooting and troubleshooting methodologies. This session will also present many examples of common, and not so common, multicast networks problems and show what commands to use and how to solve them.