What is the administrative distance of an external OSPF route that was learned from EIGRP through redistribution?

Last Updated: Jun 29, 2026
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What is the administrative distance of an external OSPF route that was learned from EIGRP through redistribution?

  • 10
  • 20
  • 170
  • 90
  • 110

Explanation: In Cisco IOS, the default Administrative Distance (AD) for OSPF is 110. Unlike EIGRP, which uses different ADs for internal (90) and external (170) routes, OSPF applies an AD of 110 to all its routes (intra-area, inter-area, and external) by default.

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