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Question 4 - JN0-683 discussion

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Exhibit.

You have a sample configuration for connecting two sites through EVPN-VXLAN by exchanging IP prefix routes.

Referring to the exhibit, which two statements regarding the configuration are true? {Choose two.)

A.
The advertise direct-nexthop option enables the receiver to resolve the next-hop route using only information carried in the Type 5 route.
Answers
A.
The advertise direct-nexthop option enables the receiver to resolve the next-hop route using only information carried in the Type 5 route.
B.
The advertise direct-nexthop option enables the receiver to resolve the next-hop route using only information carried in the Type 2 route.
Answers
B.
The advertise direct-nexthop option enables the receiver to resolve the next-hop route using only information carried in the Type 2 route.
C.
The VNI must match on all devices for the same customer.
Answers
C.
The VNI must match on all devices for the same customer.
D.
The VNI should be unique on all devices for each customer site.
Answers
D.
The VNI should be unique on all devices for each customer site.
Suggested answer: A, C

Explanation:

EVPN-VXLAN Configuration:

The configuration provided in the exhibit shows an EVPN-VXLAN setup where IP prefix routes are exchanged between two sites. The advertise direct-nexthop option and the VNI (Virtual Network Identifier) settings are crucial in this context.

Advertise Direct-Nexthop:

Option A: The advertise direct-nexthop option ensures that the next-hop route is resolved using only the information carried in the EVPN Type 5 route. Type 5 routes are used for IP prefix advertisement in EVPN, which is key to enabling Layer 3 interconnectivity between different VXLAN segments.

VNI Consistency:

Option C: For the same customer across different devices, the VNI must be consistent. This consistency ensures that all devices can correctly map traffic to the appropriate VXLAN segment, maintaining seamless Layer 2 and Layer 3 connectivity.

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asked 18/09/2024
Pablo Galilea
26 questions
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