300-415 Question #93: Real Exam Question with Answer & Explanation

The correct answer is D: It is the data plane that is responsible for forwarding traffic. In Cisco SD-WAN, the WAN Edge router operates as the data plane, forwarding user traffic between sites and applying policies such as QoS, encryption, and routing across the overlay network.

Architecture

Question

In a Cisco SD WAN architecture, what is the role of the WAN Edge?

Options

AIt provides orchestration to assist in automatic provisioning of WAN Edge routers and overlay
BIt is the management plane responsible for centralized configuration and monitoring
CIt is the control plane that builds and maintains network topology
DIt is the data plane that is responsible for forwarding traffic

Explanation

In Cisco SD-WAN, the WAN Edge router operates as the data plane, forwarding user traffic between sites and applying policies such as QoS, encryption, and routing across the overlay network.

Common mistakes.

A. Orchestration and automatic provisioning assistance is the role of vBond, which helps WAN Edge devices discover the controllers during onboarding.
B. Centralized configuration and monitoring is the role of vManage, the management plane component.
C. The control plane - building and maintaining network topology via OMP - is the role of vSmart.

Concept tested. Cisco SD-WAN architecture WAN Edge data plane role

Reference. https://www.cisco.com/c/en/us/solutions/enterprise-networks/sd-wan/what-is-sd-wan.html

Topics

#Cisco SD-WAN#WAN Edge#Data Plane#SD-WAN Architecture

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