What is the default metric type when a default route is injected into a normal non-backbone OSPF area?

Last Updated: Jun 29, 2026
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What is the default metric type when a default route is injected into a normal non-backbone OSPF area?

  • E1
  • E2
  • N2
  • N1

Explanation: When a default route is injected into a normal OSPF area using the default-information originate command, it is advertised as a Type-5 AS External LSA. By default, OSPF assigns these external routes a Metric Type 2 (E2), which maintains a constant external cost regardless of the internal path cost.

Related exam: Checkpoint Exam: Layer 3 Technologies – OSPF

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