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Cisco 300-410 Exam - Topic 12 Question 96 Discussion

Which Layer 3 VPN attribute allows different customers to connect to the same MPLS network wrth overlapping IP ranges?
A) VRF
B) RT
C) MP-BGP
D) RD

Cisco 300-410 Exam - Topic 12 Question 96 Discussion

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

Which Layer 3 VPN attribute allows different customers to connect to the same MPLS network wrth overlapping IP ranges?

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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Lorean
9 months ago
Really? I thought RD was the key here.
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Kate
9 months ago
VRF allows overlapping IPs, no doubt about it.
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Verdell
10 months ago
Wait, are we sure it's not MP-BGP?
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Corinne
10 months ago
Totally agree, VRF is the way to go.
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Kendra
10 months ago
It's definitely VRF!
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Otis
10 months ago
I’m leaning towards MP-BGP, but I remember it being more about routing updates rather than managing overlapping IPs.
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Nida
11 months ago
I’m a bit confused between VRF and RD. I feel like both are related, but I can’t recall which one specifically handles overlapping IPs.
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Mabel
11 months ago
I remember practicing a question about MPLS and overlapping IPs, and VRF was definitely mentioned as a solution.
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Myra
11 months ago
I think the answer might be VRF since it allows for multiple instances of routing tables, but I'm not completely sure.
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Donte
11 months ago
The key here is understanding how MPLS VPNs handle overlapping IP addresses. I'll review that concept before answering.
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Holley
11 months ago
Hmm, I'm not sure about this one. I'll have to think it through carefully.
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Viva
11 months ago
This question seems straightforward, I think the answer is VRF.
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Elke
11 months ago
VRF is the Layer 3 VPN attribute that allows for overlapping IP ranges, right? I'm pretty confident that's the correct answer.
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Bobbye
11 months ago
I remember practicing a question like this! I think a worm can replicate by itself, while a virus can't.
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Sylvie
11 months ago
This question seems straightforward, I'll go through the options and select the ones that clearly benefit the employee.
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Felton
1 year ago
I don't know, man. All this MPLS VPN stuff makes my head spin. At least it's not a question about subnetting or default gateways, am I right?
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Janine
1 year ago
User 2: I think the answer is VRF.
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Magnolia
1 year ago
User 1: Yeah, MPLS VPNs can be confusing.
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Alishia
1 year ago
I'm not sure, but I think C) MP-BGP could also be a possible answer for this question.
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Haydee
1 year ago
I agree with Micaela, VRF allows for separate routing tables for different customers.
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Elinore
1 year ago
RD? Really? That's for uniquely identifying a VPN, not for handling overlapping IP spaces. These options are a bit of a mixed bag.
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Janna
1 year ago
I was thinking MP-BGP might be the answer, since it's used to distribute VPN routing info. But VRF makes more sense for keeping those IP ranges separate.
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Christene
1 year ago
Definitely, VRF is the Layer 3 VPN attribute that allows different customers to connect with overlapping IP ranges.
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Maryln
1 year ago
MP-BGP is used for distributing VPN routing info, but VRF is what keeps the IP ranges separate.
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Colton
1 year ago
Yeah, VRF is the way to go for different customers with overlapping IP ranges.
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Kristin
1 year ago
I think VRF is the correct answer, it helps keep the IP ranges separate.
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Vesta
1 year ago
VRF sounds like the right answer here - it allows each customer to have their own isolated routing table, even with overlapping IP ranges.
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Micaela
1 year ago
I think the answer is A) VRF.
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