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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
7 months ago
Agreed, D is the most efficient for this architecture!
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Lashanda
8 months ago
A (ERB) is outdated, I wouldn't recommend it for this setup.
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Jettie
8 months ago
Wait, so Layer 3 routing on spines? Isn't that a bit unconventional?
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Juan
8 months ago
I think B (CRB) could work too, but not sure if it's the best choice.
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Wenona
8 months ago
Definitely going with D, distributed symmetric routing is the way to go!
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Anglea
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 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
9 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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