QuestionQ23

Multiprotocol Label Switching

Which of the following statements describes an FEC in traditional IP routing?

  • A A group of packets that will be forwarded by the router in the same manner, over the same path.
  • B A group of packets that arrive at the router on the same interface.
  • C A group of packets that leave the router on the same interface.
  • D A group of packets that arrive at the router on the same interface, from the same source.
Explanation

A Forwarding Equivalence Class consists of packets that a router forwards identically, including along the same path. Classification depends on the forwarding treatment, rather than solely on an ingress interface, egress interface, or source.

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