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Juniper JN0-683 Exam - Topic 9 Question 11 Discussion

You are deploying an EVPN-VXLAN overlay. You must ensure that Layer 3 routing happens on the spine devices. In this scenario, which deployment architecture should you use?
D) distributed symmetric routing
A) ERB
B) CRB
C) bridged overlay

Juniper JN0-683 Exam - Topic 9 Question 11 Discussion

Actual exam question for Juniper's JN0-683 exam
Question #: 11
Topic #: 9
[All JN0-683 Questions]

You are deploying an EVPN-VXLAN overlay. You must ensure that Layer 3 routing happens on the spine devices. In this scenario, which deployment architecture should you use?

Show Suggested Answer Hide Answer
Suggested Answer: D

Requirements for AI Workloads:

The scenario requires a network that supports at least 400 Gbps Ethernet and does not require Layer 2 VLANs. This setup is well-suited for a pure Layer 3 network, which can efficiently route traffic between devices without the overhead or complexity of maintaining Layer 2 domains.

Choosing the Right Network Architecture:

Option D: An IP fabric using EBGP (External BGP) is ideal for this scenario. In a typical IP fabric, EBGP is used to handle routing between spine and leaf switches, creating a scalable and efficient network. Since there is no need for Layer 2 VLANs, the pure IP fabric design with EBGP provides a straightforward and effective solution.

Options A, B, and C involve more complex architectures (like VXLAN or EVPN), which are unnecessary when there's no requirement for Layer 2 overlays or VLANs.

Conclusion:

Option D: Correct---An IP fabric with EBGP is the most suitable and straightforward architecture for a network that needs to support high-speed AI workloads without Layer 2 VLANs.


by Stefan at Sep 14, 2024, 08:21 PM

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Kathrine
9 months ago
Agreed, D is the most efficient for this architecture!
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Lashanda
9 months ago
A (ERB) is outdated, I wouldn't recommend it for this setup.
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Jettie
9 months ago
Wait, so Layer 3 routing on spines? Isn't that a bit unconventional?
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Juan
10 months ago
I think B (CRB) could work too, but not sure if it's the best choice.
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Wenona
10 months ago
Definitely going with D, distributed symmetric routing is the way to go!
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Anglea
10 months ago
I keep mixing up the terms, but I think bridged overlay is more about Layer 2, so it might not be the right answer here.
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Helene
10 months ago
I practiced a question like this, and I feel like ERB could be the right choice, but I’m not confident.
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Rodolfo
10 months ago
I'm not entirely sure, but I remember something about CRB being used for routing in similar scenarios.
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Graciela
11 months ago
I think the answer might be D, distributed symmetric routing, since it allows for Layer 3 routing on the spine.
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Temeka
11 months ago
I'm pretty confident the answer is CRB. That architecture is designed specifically to handle Layer 3 routing at the spine layer, which is exactly what the question is asking for.
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Willis
11 months ago
Distributed symmetric routing sounds like the way to go. That way the routing intelligence is spread out across the spines, which should provide better scalability and redundancy.
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Rebbecca
11 months ago
Hmm, I'm a bit confused on the differences between those two options. I'll need to review the details of each deployment architecture to make sure I understand the implications.
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Gerald
11 months ago
I think the key here is ensuring Layer 3 routing happens on the spine devices. That narrows it down to either CRB or distributed symmetric routing.
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Bok
11 months ago
This seems like a tricky one. I'm not sure if activating unlimited mode or reducing the Auto Scaling group size is the right approach here.
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Marti
1 year ago
D all the way! Gotta keep that Layer 3 action on the spine. Maybe I'll throw in a few dad jokes while I'm at it. Did you hear about the claustrophobic astronaut? He just needed a little space!
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Gracia
1 year ago
D) distributed symmetric routing
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Weldon
1 year ago
C) bridged overlay
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Melissa
1 year ago
B) CRB
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Antonio
1 year ago
A) ERB
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Otis
1 year ago
A or B? Nah, this is clearly a job for distributed symmetric routing. D is the way to go, folks!
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Chandra
1 year ago
I would go with D for this scenario, it's the most suitable option.
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Lauran
1 year ago
I'm not sure, what do you think about CRB?
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Keneth
1 year ago
I agree, D is the way to go for Layer 3 routing on spine devices.
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Izetta
1 year ago
I think distributed symmetric routing is the best choice here.
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Ben
1 year ago
I'm torn between B and D, but I think D is the better fit here. Gotta love that symmetric routing!
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Janine
1 year ago
I think B might work too, but D seems like the more efficient choice for this scenario.
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Stevie
1 year ago
I agree, D is the way to go for Layer 3 routing on spine devices.
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Marsha
1 year ago
Hmm, that makes sense too. I see your point.
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Mammie
1 year ago
I disagree, I believe the correct answer is D) distributed symmetric routing as it also supports Layer 3 routing on the spine devices.
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Marsha
1 year ago
I think the answer is A) ERB because it allows Layer 3 routing on the spine devices.
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Thurman
1 year ago
Hmm, D seems like the way to go. Distributed symmetric routing is the key for Layer 3 routing on the spine devices.
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Catalina
1 year ago
Distributed symmetric routing ensures optimal routing on the spine devices in an EVPN-VXLAN overlay.
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Glen
1 year ago
I think D provides the most efficient solution for Layer 3 routing on the spine devices.
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Tegan
1 year ago
Distributed symmetric routing is definitely the way to go in this scenario.
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Yuette
1 year ago
I agree, D is the best choice for Layer 3 routing on the spine devices.
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