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Question 561 - 300-410 discussion

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Which Layer 3 VPN attribute allows different customers to connect to the same MPLS network wrth overlapping IP ranges?

A.

VRF

Answers
A.

VRF

B.

RT

Answers
B.

RT

C.

MP-BGP

Answers
C.

MP-BGP

D.

RD

Answers
D.

RD

Suggested answer: D

Explanation:

In a Layer 3 VPN (Virtual Private Network) over an MPLS (Multiprotocol Label Switching) network, the attribute that allows different customers to connect with overlapping IP ranges is the Route Distinguisher (RD)123.

RD is a unique identifier that is prepended to each IP address in a customer's VPN to create a unique VPNv4 address.This allows customers to use overlapping IP addresses without conflict123.The RD makes it possible for the same IP prefix to exist in different VPNs, which is crucial when customers have overlapping IP ranges123.

MPLS Layer 3 VPN Explained - NetworkLessons.com

MPLS: Layer 3 VPNs Configuration Guide - Cisco

Understanding Using MPLS-Based Layer 3 VPNs on Switches - Juniper

asked 07/10/2024
Juan Rodriguez
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