Which database on an LSR is used to make forwarding decisions on labeled packets?

Last Updated: Apr 17, 2021
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Question:

Which database on an LSR is used to make forwarding decisions on labeled packets?

  • RIB
  • FIB
  • LIB
  • LFIB

Explanation: The data plane of a LSR consists of a IP forwarding table (FIB) and a label forwarding table (LFIB). The FIB makes forwarding decisions for unlabeled packets. The LFIB makes forwarding decision for labeled packets.

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