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JN0-643 · Question #177

R1 and R2 are ASBRs in the same area, each with an equal cost external path to the same external network prefix. R1 advertises an external route into OSPF with a Type 1 metric. R2 advertises an…

The correct answer is D. R2's route is preferred because Type 2 metrics take into account the external cost only. See the full explanation below for the reasoning.

Question

R1 and R2 are ASBRs in the same area, each with an equal cost external path to the same external network prefix. R1 advertises an external route into OSPF with a Type 1 metric. R2 advertises an external route into OSPF with a Type 2 metric. Which route would be preferred?

Options

  • AR1's route is preferred because Type 1 metrics take into account the external cost only.
  • BR1's route is preferred because Type 1 metrics take into account the internal and external cost.
  • CR2's route is preferred because Type 2 metrics take into account the internal and external cost.
  • DR2's route is preferred because Type 2 metrics take into account the external cost only.

How the community answered

(52 responses)
  • A
    6% (3)
  • B
    13% (7)
  • C
    4% (2)
  • D
    77% (40)

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