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

Options

  • A. 8 bits
  • B. 12 bits
  • C. 20 bits
  • D. 32 bits
  • 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 assist routers in providing special handling for certain traffic flows.
  • It is located in the IPv6 base header.