What is the size of an MPLS label?

Last Updated: Jun 29, 2026
IT Exam Items Repository › Category: CCNP ENARSI v9 › What is the size of an MPLS label?

What is the size of an MPLS label?

  • 8 bytes
  • 4 bytes
  • 2 bytes
  • 6 bytes

Explanation: The sources explicitly define an MPLS label as a short, 4-byte (32-bit), fixed-length identifier. Within this 4-byte header, 20 bits are used for the actual label value, while the remaining bits are used for the experimental field (QoS), bottom-of-stack indicator, and TTL.

Related exam: Checkpoint Exam: MPLS and VPN Technologies

About The Author

ITExamAnswers Editorial Team

The ITExamAnswers Editorial Team is a dedicated group of certified IT professionals and network engineers. We rigorously review, verify, and update all exam materials to ensure you receive the most accurate and reliable resources for your certification journey.