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5V0-42.21 · Question #6

Which statement is true about the VMware SD-WAN Gateway roles and assignments?

The correct answer is A. Primary Gateway cannot be used as Super gateway for Edge-to-Edge communication, even it all. Option A is correct because in VMware SD-WAN, the Primary Gateway role and the Super Gateway role are distinct and mutually exclusive functions - a Gateway designated as Primary for an Edge handles that Edge's traffic (internet breakout and VPN tunnels), but it cannot…

SD-WAN Architecture and Technologies

Question

Which statement is true about the VMware SD-WAN Gateway roles and assignments?

Options

  • APrimary Gateway cannot be used as Super gateway for Edge-to-Edge communication, even it all
  • BThe SD-WAN Orchestrator assigns the Gateways to the Edge automatically when it comes up
  • CIf the Primary Gateway goes down. Cloud internet traffic would failover to Secondary gateway
  • DThe Primarily and Secondary Gateways share the load fur both internet traffic and VPN traffic

How the community answered

(22 responses)
  • A
    91% (20)
  • B
    5% (1)
  • D
    5% (1)

Explanation

Option A is correct because in VMware SD-WAN, the Primary Gateway role and the Super Gateway role are distinct and mutually exclusive functions - a Gateway designated as Primary for an Edge handles that Edge's traffic (internet breakout and VPN tunnels), but it cannot simultaneously serve as a Super Gateway, which is the specialized role required to relay Edge-to-Edge (spoke-to-spoke) traffic, regardless of conditions.

Option B is wrong because Gateway-to-Edge assignments are not automatic - administrators explicitly configure Gateway assignments within SD-WAN profiles via the Orchestrator; the Orchestrator applies the configured assignment, it does not auto-discover and assign Gateways dynamically.

Option C is wrong because when the Primary Gateway fails, the Secondary Gateway takes over VPN/overlay traffic, not specifically "cloud internet traffic" - internet-bound traffic behavior depends on the configured traffic policies (local breakout, backhaul, etc.), making this an oversimplification that is inaccurate.

Option D is wrong because Primary and Secondary Gateways operate in an active-passive (primary-backup) model, not active-active load sharing - the Secondary sits idle for failover, not simultaneously splitting internet and VPN load with the Primary.

Memory tip: Think of SD-WAN Gateway roles like job titles - a Primary Gateway is an "Edge's personal assistant" (handles that Edge's traffic), while a Super Gateway is the "inter-office coordinator" (routes Edge-to-Edge). One person can't hold both titles at the same time.

Topics

#Gateway Roles#Primary/Secondary/Super Gateway#Edge-to-Edge Communication#Gateway Limitations

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