How many bits are allocated to the Flow Label field in an IPv6 header?

Options

  • A. 8 bits
  • B. 16 bits
  • C. 20 bits
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 20 bits

Detailed Explanation

Correct Answer: 20 bits

  • The IPv6 Flow Label field is 20 bits long.
  • It helps identify packets belonging to a particular traffic flow.
  • It can support special handling of packets requiring consistent treatment.