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300-320 · Question #256

What are the two methods of ensuring that the RPF check passes? (Choose two.)

The correct answer is A. implementing static mroutes C. implementing MBGP. RPF is checking does the multicast traffic comes from shortest path, due to avoid loop. It checks it according to routing table and underlying IGP. So if it is needed to send traffic between subnets you can use static routes or OSPF as underlying protocol.

Advanced Addressing and Routing Solutions

Question

What are the two methods of ensuring that the RPF check passes? (Choose two.)

Options

  • Aimplementing static mroutes
  • Bimplementing OSPF routing protocol
  • Cimplementing MBGP
  • Ddisabling the interface of the router back to the multicast source
  • Edisabling BGP routing protocol

How the community answered

(25 responses)
  • A
    84% (21)
  • B
    4% (1)
  • D
    8% (2)
  • E
    4% (1)

Explanation

RPF is checking does the multicast traffic comes from shortest path, due to avoid loop. It checks it according to routing table and underlying IGP. So if it is needed to send traffic between subnets you can use static routes or OSPF as underlying protocol.

Topics

#RPF check#multicast routing#static mroutes#MBGP

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