Exam 300-615 topic 1 question 4 discussion

Actual exam question from Cisco's 300-615

Question #: 4
Topic #: 1

Refer to the exhibit. An OSPF adjacency between Router-A and Router-B fails to reach the FULL state. Which action resolves the issue?

A. Adjust the MTU on Router-A to 1600.
B. Disable the check of the MTU value.
C. Set the OSPF media type to point-to-point.
D. Adjust the MTU on Router-B to 1604.

Show Suggested Answer

Suggested Answer: B 🗳️

by M3m0_mty at May 30, 2022, 4:08 p.m.

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Rogerlai

Highly Voted 2 years, 10 months ago

I think the correct answer is B The interface command ip ospf mtu-ignore disables this check of the MTU value in the OSPF DBD packets. Thus, use of this command allows the OSPF adjacency to reach the FULL state even though there is an interface MTU mismatch between two OSPF routers. https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/119384-technote-ospf-00.html

upvoted 5 times

Winnah

2 years, 1 month ago

This is correct

upvoted 1 times

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[Removed]

Most Recent 8 months, 2 weeks ago

Selected Answer: B

B correct.

upvoted 1 times

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M3m0_mty

2 years, 11 months ago

I think the correct answer is A. That because the MTU parameter must match between the neighbors or the protocol messages will not be properly exhanged.

upvoted 3 times

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