What is the OSPF transport?

ITExamAnswers Editorial Team Last Updated: Jun 29, 2026

IT Exam Items Repository › Category: CCNP ENARSI v9 › What is the OSPF transport?

What is the OSPF transport?

IP/88
IP/89
IP/86
TCP/179
UDP/520

[alert-success]Explanation: OSPF is designed with an independent transport mechanism that operates directly on top of the IP layer. It uses IP protocol number 89 and does not rely on transport layer protocols like TCP or UDP.

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