300-510 SPRI: Implementing Cisco Service Provider Advanced Routing SolutionsDemo

By Cisco · Question Mode

QuestionQ88

Multicast Routing

An engineer needs to map a multicast IP address to a multicast MAC address. How many bits are used for the conversion?

  • A low-order 23 bits
  • B higher-order 23 bits
  • C lower-order 24 bits
  • D high-order 24 bits
Explanation

IPv4 multicast MAC mapping places the low-order 23 bits of the multicast IP address into the available 23-bit portion of the Ethernet multicast address, after the 01:00:5E prefix.

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