QuestionQ11

Multiprotocol Label Switching

An E-pipe has a configured service MTU of 5000. Which VC-MTU value will be derived?

  • A 4078
  • B 4986
  • C 5014
  • D 5022
Explanation

For Ethernet Layer 2 services such as E-pipe, VC-MTU is derived by subtracting the 14-byte Ethernet header from the service MTU. A 5000-byte service MTU therefore derives a VC-MTU of 4986 bytes.

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