Which version of OSPF carries IPv4 routes over an IPv6 transport?

Last Updated: Jun 29, 2026
IT Exam Items Repository › Category: CCNP ENARSI v9 › Which version of OSPF carries IPv4 routes over an IPv6 transport?

Which version of OSPF carries IPv4 routes over an IPv6 transport?

  • OSPFv3 for address families
  • Traditional OSPFv2
  • Traditional OSPFv3
  • IPv6 OSPF

Explanation: The OSPFv3 address families framework (the "new style" OSPFv3) uses IPv6 link-local addresses as its transport mechanism. Unlike traditional OSPFv2, this version is capable of carrying both IPv4 and IPv6 routing information over that IPv6-based transport.

Related exam: Checkpoint Exam: Layer 3 Technologies – OSPF

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