How many bytes of overhead are added to each IP packet while it is transported through a GRE tunnel?

Last Updated: Oct 9, 2022
IT Exam Items Repository › Category: CCNA Security v1.2 › How many bytes of overhead are added to each IP packet while it is transported through a GRE tunnel?

How many bytes of overhead are added to each IP packet while it is transported through a GRE tunnel?

  • 8
  • 32
  • 16
  • 24

Explanation: A packet that is sent over a GRE tunnel is encapsulated with a GRE header and the tunneling IP header, which combined add an additional 24 bytes to the original packet.

Related exam: CCNP Core Networking: Modules 15 - 16 Checkpoint Exam: IP Services and VPNs Exam
Related exam: CCNA Security Chapter 8 Exam (CCNAS v1.2)

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