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Juniper Exam JN0-683 Topic 3 Question 16 Discussion

Actual exam question for Juniper's JN0-683 exam
Question #: 16
Topic #: 3
[All JN0-683 Questions]

Exhibit.

You are troubleshooting an IP fabric (or your data center. You notice that your traffic is not being load balanced to your spine devices from your leaf devices. Referring to the configuration shown in the exhibit, what must be configured to solve this issue?

Show Suggested Answer Hide Answer
Suggested Answer: B, C, E

Understanding ERB Architecture:

ERB (Edge Routed Bridging) architecture is a network design where the routing occurs at the edge (leaf devices) rather than in the spine devices. In a VXLAN overlay network with EVPN as the control plane, leaf devices typically act as both Layer 2 (L2) and Layer 3 (L3) VXLAN gateways.

Placement of VXLAN Gateways:

Option B: All leaf devices will have L2 VXLAN gateways to handle the bridging of VLAN traffic into VXLAN tunnels.

Option C: All leaf devices will also have L3 VXLAN gateways to route traffic between different VXLAN segments (VNIs) and external networks.

Option E: Spine devices in an ERB architecture generally do not function as VXLAN gateways. They primarily focus on forwarding traffic between leaf nodes and do not handle VXLAN encapsulation/decapsulation.

Conclusion:

Option B: Correct---All leaf devices will have L2 VXLAN gateways.

Option C: Correct---All leaf devices will have L3 VXLAN gateways.

Option E: Correct---Spine devices will not act as VXLAN gateways


Contribute your Thoughts:

Catrice
5 days ago
Hmm, this seems like a tricky one. I'll have to think it through carefully.
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Gabriele
7 days ago
Hmm, that makes sense too. Let's review the exhibit again to be sure.
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Gail
8 days ago
I disagree, I believe the answer is D. The load-balance policy must have a from statement that matches on protocol BGP.
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Gabriele
9 days ago
I think the answer is C. The load-balance policy must be applied as an export policy to BGP.
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