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300-415 · Question #79

In which device state does the WAN edge router create control connections, but data tunnels are not created?

The correct answer is D. staging. In staging state, a WAN Edge router establishes control connections to controllers but intentionally does not form data plane IPsec tunnels to other WAN Edge routers.

WAN Edge Router Deployment

Question

In which device state does the WAN edge router create control connections, but data tunnels are not created?

Options

  • Avalid
  • Bbootstrap
  • Cactive
  • Dstaging

How the community answered

(28 responses)
  • B
    4% (1)
  • C
    4% (1)
  • D
    93% (26)

Why each option

In staging state, a WAN Edge router establishes control connections to controllers but intentionally does not form data plane IPsec tunnels to other WAN Edge routers.

Avalid

The valid state indicates the device has been authenticated and authorized by vBond with a valid certificate; it does not specifically describe a control-only, no-data-tunnel condition.

Bbootstrap

Bootstrap state refers to the initial bring-up mode where the device uses a minimal bootstrap configuration to reach controllers for the first time before full onboarding completes.

Cactive

Active state means the device is fully operational with both control connections and data plane IPsec tunnels established and passing traffic.

DstagingCorrect

The staging state is used for pre-deployment testing and validation - the device connects to vBond, vSmart, and vManage for control plane verification and certificate exchange, but BFD sessions and IPsec data tunnels to other WAN Edge routers are not established, preventing unintended production traffic from flowing through the device.

Concept tested: WAN Edge staging state - control-only no data tunnels

Source: https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/hardware-and-software-installation.html

Topics

#WAN Edge Router states#SD-WAN control plane#SD-WAN data plane#Staging state

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