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300-415 · Question #61

In the Cisco SD_WAN solution, vSmart controller is responsible for which two actions? (Choose two.)

The correct answer is A. Distribute crypto key information among vEdge routers E. Distribute route and policy information via OMP. The vSmart controller is the SD-WAN control plane responsible for distributing OMP-based routing/policy information and sharing crypto key material among vEdge routers.

Architecture

Question

In the Cisco SD_WAN solution, vSmart controller is responsible for which two actions? (Choose two.)

Options

  • ADistribute crypto key information among vEdge routers
  • BConfigure and monitor vEdge routers
  • CAuthenticate and authorize vEdge routers
  • DDistribute the IP address from DHCP server to vEdge routers
  • EDistribute route and policy information via OMP.

How the community answered

(26 responses)
  • A
    88% (23)
  • B
    4% (1)
  • C
    8% (2)

Why each option

The vSmart controller is the SD-WAN control plane responsible for distributing OMP-based routing/policy information and sharing crypto key material among vEdge routers.

ADistribute crypto key information among vEdge routersCorrect

vSmart distributes crypto key information (IPsec keys) to vEdge routers via OMP, enabling them to establish authenticated and encrypted data plane tunnels with each other without requiring direct key exchange.

BConfigure and monitor vEdge routers

Configuring and monitoring vEdge routers is the responsibility of vManage, the management plane NMS.

CAuthenticate and authorize vEdge routers

Authenticating and authorizing vEdge routers during onboarding is the role of vBond, the orchestration plane component.

DDistribute the IP address from DHCP server to vEdge routers

Distributing IP addresses via DHCP is a network infrastructure function and is not a responsibility of the vSmart controller.

EDistribute route and policy information via OMP.Correct

vSmart uses OMP (Overlay Management Protocol) to distribute route prefixes, policy information, and service reachability data to all vEdge routers in the overlay, acting as the central control plane.

Concept tested: vSmart controller control plane functions in SD-WAN

Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/system-overview.html

Topics

#vSmart Controller#SD-WAN Architecture#OMP#Control Plane

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