Which well-know multicast group is joined by all PIM-enabled routers to receive RP mappings?

Last Updated: Jan 21, 2021
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Which well-know multicast group is joined by all PIM-enabled routers to receive RP mappings?

  • 224.0.0.2
  • 224.0.0.13
  • 224.0.1.40
  • 224.0.1.39

Explanation: RP mapping agents advertise the RP mappings to the well-known multicast group address, 224.0.1.40 (Cisco-RP-Discovery). Advertisements are sent every 60 seconds by default, or when changes are detected. All PIM-enabled routers join 224.0.1.40 and store the RP mappings in cache.

Related exam: CCNP Core Networking: Modules 13 - 14 Checkpoint Exam: Multicast and QoS Exam

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