Which of the following is not a step in the Header translation procedure?

Asked In: BPSC TRE 1.0

Options

  • A. The IPv6 mapped address is changed to an IPv4 address by extracting the rightmost 32 bits
  • B. The value of the IPv6 priority field is discarded
  • C. The IPv6 flow label is considered
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. The IPv6 flow label is considered

Detailed Explanation

Correct Answer: Option C - The IPv6 flow label is considered.

  • In IPv4/IPv6 header translation, the IPv6 flow label does not have a direct equivalent in the IPv4 header.
  • Therefore, it is not directly translated into an IPv4 header field.
  • IPv6 priority-related traffic class information and other header fields require appropriate mapping or handling.
  • Note: The precise translation procedure depends on the translation mechanism being used.
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