What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?

IT Questions BankCategory: CCNPWhat would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?
What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process? 1ITExamAnswers Staff asked 2 years ago

Question:
What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?

  • 0C6F:65FF:FEC2:BDF8
  • 1E6F:65FF:FEC2:BDF8
  • C16F:65FF:FEC2:BDF8
  • 106F:65FF:FEC2:BDF8

Explanation: To derive the EUI-64 interface ID by using the MAC address 1C-6F-65-C2-BD-F8, three steps are taken.

  • Change the seventh bit of the MAC address from a binary 0 to a binary 1 which changes the hex C, into a hex E.
  • Insert hex digits FFFE into the middle of the address.
  • Rewrite the address in IPv6 format.

The three steps, when complete, give the interface ID of 1E6F:65FF:FEC2:BDF8.

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