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.
Exam with this question: CCNPv8 ENCOR (Version 8.0) - Multicast and QoS Exam
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