Cisco Exam 500-230 Topic 1 Question 37 Discussion

Actual exam question for Cisco's 500-230 exam

Question #: 37
Topic #: 1

[All 500-230 Questions]

Which statements are true regarding L3VPN configurations?

APrior to configuring a vrf within MP-BGP, the router has to have instantiated the VPNv4 or VPNv6 address-family.

BOn a single PE router, the Route Distinguisher and the Route Targets must be the same.

CPrior to configuring a neighbor in the VPNv4 address-family, it must already be configured for IPv4-Unicast.

DThe import and export Route Targets must be the same on a PE.

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Suggested Answer: A

by Deeanna at Dec 22, 2023, 05:44 PM

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Glenn

6 months ago

B and D are a bit tricky. I think the key is that the Route Distinguisher and Route Targets don't necessarily have to be the same on a single PE router. They can be different if you need to have different VRFs with different routing policies.

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Lavonda

5 months ago

So, having them different allows for more flexibility in defining VRFs with unique characteristics.

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Hector

5 months ago

Yes, they are used for different functions within the L3VPN configuration.

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Aleisha

5 months ago

That makes sense. The Route Distinguisher and Route Targets serve different purposes.

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Sarina

5 months ago

D) The import and export Route Targets must be the same on a PE.

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Cristal

5 months ago

B) On a single PE router, the Route Distinguisher and the Route Targets must be the same.

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Ernest

5 months ago

C) Prior to configuring a neighbor in the VPNv4 address-family, it must already be configured for IPv4-Unicast.

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Arminda

5 months ago

A) Prior to configuring a vrf within MP-BGP, the router has to have instantiated the VPNv4 or VPNv6 address-family.

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Tish

6 months ago

Okay, so if C is correct, what about the other options? A seems reasonable, as we do need to enable the VPNv4 address-family before configuring VRFs. But I'm not sure about B and D.

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Darnell

6 months ago

You're right. I'm pretty sure that option C is correct - we need to have the IPv4-Unicast neighbor configured before we can add it to the VPNv4 address-family.

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Bong

6 months ago

Hmm, this question seems to be testing our understanding of L3VPN configurations. I think the key here is understanding the relationship between the VPNv4 address-family and the underlying IPv4 configuration.

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