NETWORK DIAGRAM

SD-WAN Topology with MPLS and Internet Underlay

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UPDATED 2026-06-29
EXAMPLESD-WAN Topology with MPLS and Internet Underlay
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CASE ANALYSIS

Scenario

An enterprise deploys Software-Defined WAN to connect branch offices to a central data center, leveraging both MPLS and broadband internet for cost-effective, resilient connectivity.

Key decisions

  • Use dual transport underlay (MPLS + Internet) for reliability
  • Centralized SD-WAN controller for policy and monitoring
  • Hub-and-spoke overlay topology with optional direct branch-to-branch tunnels

When to reuse this

When designing or documenting an SD-WAN migration from MPLS-only to hybrid WAN, or showcasing failover paths and centralized management.

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