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When configuring a router to be an RP-candidate for auto-RP in a sparse-dense mode network, do you need to statically configure itself to be the RP?

To configure a router to be an RP candidate, I originally thought that you would need to enter the "ip pim rp-address <interface ip>" command.

 

But what if we're running the RP candidate on a network with sparse-dense mode? If we enter "ip pim rp-address <interface ip>", will IOS interpret that to mean that we have defined an RP for all multicast group addresses (224.0.0.0/4)?

 

Can we run a router as an RP candidate in sparse-dense mode without entering the "ip pim rp-address <interface ip>" command so that multicast traffic can be dense mode flooded?

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