Cisco Exam 350-601 Topic 9 Question 65 Discussion

Actual exam question for Cisco's 350-601 exam

Question #: 65
Topic #: 9

Refer to the exhibit.

A VXLAN data center fabric consists of three hosts mapped to different VLANs. Ingress VTEPs perform Layer 2 bridging and Layer 3 routing. Egress VTEPs only perform a Layer 2 bridging lookup. Which VNI values must be set to allow inter-VNI communication?

AVLAN 100 to Layer 2 VNI 2020 -
Test_Telco_VRF to Layer 3 VNI 5050

BVLAN 100 to Layer 2 VNI 2020 -
VLAN 200 to Layer 2 VNI 5050

CVLAN 100 to Layer 2 VNI 2020 -
Test_Telco_VRF to Layer 3 VNI 1010

DVLAN 100 to Layer 2 VNI 1010 -
VLAN 200 to Layer 2 VNI 1010

Show Suggested Answer

Suggested Answer: C

In a VXLAN data center fabric, inter-VNI communication requires mapping Layer 2 (L2) VLANs to their respective L2 VNIs and associating them with the correct Layer 3 (L3) VNI that corresponds to the VRF.In this case, VLAN 100 is mapped to L2 VNI 2020, and for inter-VNI routing to occur, it must be associated with an L3 VNI that corresponds to the VRF, which is Test_Telco_VRF to L3 VNI 1010.Reference: For more detailed information, you can refer to the Cisco Programmable Fabric with VXLAN BGP EVPN Configuration Guide1and the Data Center VXLAN EVPN guide

by Billye at Apr 09, 2024, 08:30 AM

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Soledad

11 months ago

I think D) VLAN 100 to Layer 2 VNI 1010 - VLAN 200 to Layer 2 VNI 1010 makes more sense for inter-VNI communication.

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Izetta

11 months ago

I am leaning towards the answer C) VLAN 100 to Layer 2 VNI 2020 - Test_Telco_VRF to Layer 3 VNI 1010.

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Rebecka

11 months ago

I disagree, I believe the answer is B) VLAN 100 to Layer 2 VNI 2020 - VLAN 200 to Layer 2 VNI 5050.

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Sherita

11 months ago

I think the correct answer is A) VLAN 100 to Layer 2 VNI 2020 - Test_Telco_VRF to Layer 3 VNI 5050.

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Laura

11 months ago

I think option A makes more sense since it allows communication between different VNIs.

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Elinore

12 months ago

I'm not sure, but could it be D) VLAN 100 to Layer 2 VNI 1010 - VLAN 200 to Layer 2 VNI 1010?

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Zena

1 years ago

I believe it is C) VLAN 100 to Layer 2 VNI 2020 - Test_Telco_VRF to Layer 3 VNI 1010.

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Laura

1 years ago

I think the answer is A) VLAN 100 to Layer 2 VNI 2020 - Test_Telco_VRF to Layer 3 VNI 5050.

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Jonell

1 years ago

That makes sense. But wait, what about the Test_Telco_VRF? Shouldn't that require a Layer 3 VNI?

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Gertude

12 months ago

So, option A would be the correct choice.

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Dudley

1 years ago

Yes, Test_Telco_VRF does require a Layer 3 VNI.

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Alberta

1 years ago

I'm leaning towards option C. The question specifically says the ingress VTEPs perform both Layer 2 and Layer 3, so we'd need a Layer 3 VNI in addition to the Layer 2 VNIs. The 'Test_Telco_VRF' VNI of 1010 seems like the right choice for the inter-VNI communication.

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Derick

1 years ago

Hmm, I'm debating between options B and C. Option B seems to map the VLANs directly to the Layer 2 VNIs, which makes sense. But option C mentions a 'Test_Telco_VRF' which could be the Layer 3 component.

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Ilda

1 years ago

I think it's asking about the VNI values needed to allow inter-VNI communication in this VXLAN data center fabric. The exhibit shows three hosts mapped to different VLANs, with ingress VTEPs handling both Layer 2 and Layer 3, and egress VTEPs only doing Layer 2 bridging lookup.

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Louvenia

1 years ago

Ah, I see what you mean. Okay, let me think this through. If the egress VTEPs only do Layer 2 bridging, then we need to use Layer 2 VNIs for inter-VNI communication, right?

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Yen

1 years ago

This question looks pretty straightforward, but I'm not too confident about it. The key seems to be understanding how VXLANs work with Layer 2 and Layer 3 communication.

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