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BCMSN Exam Cram™ 2 (Exam Cram 642-811) by Richard A. Deal

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Configuring Your RPs

Because your RPs are responsible for forwarding multicast traffic to segments with participating end stations, they play the most critical role. Choosing an inappropriate multicast routing protocol can have serious performance ramifications for your campus network. To help you with these issues, Cisco's IOS on its RPs support IGMP, PIM, and CGMP. The following sections discuss their configuration.

Basic PIM Configuration

To configure PIM, you'll need to enable multicast routing as well as PIM on each interface, like this:

Switch(config)# ip multicast-routing
Switch(config)# interface
						interface_type [slot_#/]port_#
Switch(config-if)# ip pim dense-mode|sparse-mode|sparse-dense-mode
					

Remember that an RP can be a traditional ...

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