Summary

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The PIM protocol provides multicast routing that is independent of the underlying unicast routing protocol. The IGMP mechanism is the communication between the router and the multicast hosts . PIM dense mode provides an easy implementation of multicast routing, but because of the nature of the flood-and-prune mechanism, it's not a scalable multicast solution. PIM sparse mode, however, provides scalability for large networks, but its operation is a bit more complex than that of PIM dense mode. The next chapter covers troubleshooting PIM based on the theory covered in this chapter.

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Troubleshooting IP Routing Protocols
Troubleshooting IP Routing Protocols (CCIE Professional Development Series)
ISBN: 1587050196
EAN: 2147483647
Year: 2002
Pages: 260

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