What will an OSPF router prefer to use first as a router ID?

IT Questions BankCategory: CCNA 2 v5What will an OSPF router prefer to use first as a router ID?

What will an OSPF router prefer to use first as a router ID?

  • a loopback interface that is configured with the highest IP address on the router
  • any IP address that is configured using the router-id command
  • the highest active interface IP that is configured on the router
  • the highest active interface that participates in the routing process because of a specifically configured network statement

Explanation: The first preference for an OSPF router ID is an explicitly configured 32-bit address. This address is not included in the routing table and is not defined by the network command. If a router ID that is configured through the router-id command is not available, OSPF routers next use the highest IP address available on a loopback interface, as loopbacks used as router IDs are also not routable addresses. Lacking either of these alternatives, an OSPF router will use the highest IP address from its active physical interfaces.

Exam with this question: Modules 1 – 2: OSPF Concepts and Configuration Exam Answers
Exam with this question: CCNA 3 (v5.0.3 + v6.0) Chapter 8 Exam Answers
Exam with this question: CCNP Enterprise: Advanced Routing (Version 8.0) – OSPF Exam
Exam with this question: CCNA 2 v5 Chapter 8: Check Your Understanding Questions Answers

Subscribe
Notify of
guest

0 Comments
Inline Feedbacks
View all comments
0
Would love your thoughts, please comment.x
()
x