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Cisco Exam 300-410 Topic 12 Question 96 Discussion

Actual exam question for Cisco's 300-410 exam
Question #: 96
Topic #: 12
[All 300-410 Questions]

Refer to the exhibit.

Refer to the exhibit R1 cannot establish a neighbor relationship with R2 Which action resolves the issue"?

Show Suggested Answer Hide Answer
Suggested Answer: A

In OSPF (Open Shortest Path First), the MTU (Maximum Transmission Unit) size must match on both sides of a link for OSPF neighbors to form an adjacency12.If the MTU sizes do not match, the OSPF adjacency will not form, and the routers will not become neighbors12.

In this case, R1 cannot establish a neighbor relationship with R2.One possible reason for this could be a mismatch in the MTU size on the interfaces of R1 and R212.

To resolve this issue, you can configure themtu ignorecommand on the interfaces of R1 and R2 (Option A).This command allows OSPF to ignore the MTU size when determining if it can form an adjacency with a neighbor12.This means that even if the MTU sizes do not match, OSPF will still form an adjacency, and R1 and R2 will become neighbors12.


OSPF MTU Mismatch - NetworkLessons.com

Understanding OSPF MTU Mismatch Conditions and Solutions - Cisco

by Truman at Aug 29, 2024, 01:15 AM

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Winfred
3 months ago
Option D is like using duct tape to fix a leaky faucet. Nope, not going there. B seems like the appropriate solution to me.
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Toshia
2 months ago
I think we should go with option B to resolve the issue.
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Mariann
2 months ago
I agree, option B seems like the right choice.
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Celia
2 months ago
Yeah, option D does seem like a temporary fix.
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Kanisha
3 months ago
But wouldn't configuring the ip ospf network broadcast command on the interfaces of R1 and R2 also work?
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Eladia
3 months ago
Aha, I got it! The key is the network type. B is the correct answer to set the interfaces to point-to-point mode.
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Serina
2 months ago
That's right. Configuring ip ospf network point-to-point on both interfaces should do the trick.
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Eliz
2 months ago
So, the correct answer is B then.
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Carlton
2 months ago
Yes, setting the interfaces to point-to-point mode should resolve it.
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Lakeesha
2 months ago
I think the issue is with the network type.
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Amira
3 months ago
I disagree, I believe the correct answer is D) Configure the neighbor 2.2.2.2 command on R1 under the OSPF process.
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Catarina
3 months ago
Haha, D is a good one. Manually configuring the neighbor is the lazy way out. I'd go with B or C, but I'm still scratching my head on this one.
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Gilma
3 months ago
Yeah, I think B or C would be the better options for resolving the issue.
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Carma
3 months ago
I agree, manually configuring the neighbor seems like a shortcut.
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Honey
4 months ago
Hmm, I'm not sure. The MTU setting seems irrelevant here, so I'll rule out A. D looks like a band-aid fix, so I'm leaning towards B or C.
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Tammara
3 months ago
Let's go with B then.
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Ahmad
3 months ago
I agree, configuring the ip ospf network point-to-point command makes sense.
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Keneth
3 months ago
I think B is the correct option.
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Kanisha
4 months ago
I think the answer is B) Configure the ip ospf network point-to-point command on the interfaces of R1 and R2.
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Melina
4 months ago
I think the answer is B. The ip ospf network point-to-point command should resolve the issue by configuring the interfaces for point-to-point communication.
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Carlene
3 months ago
Let's try option B first and see if it resolves the issue.
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Dominga
3 months ago
I'm not sure, maybe we should also consider option D.
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Meaghan
3 months ago
I agree, configuring the ip ospf network point-to-point command should work.
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Boris
4 months ago
I think the answer is B.
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