4-Warehouse Ohio 3PL Adds SD-WAN Failover, Cuts Internet Spend 22%

Industry: Distribution & Logistics

Service: SD-WAN / Multi-Site Connectivity

Location: Central Ohio

What we walked into

A four-warehouse Ohio 3PL had grown into a multi-carrier mess: Spectrum at the Columbus HQ, AT&T at the Hilliard DC, Lumen at the Grove City facility, and a regional fixed-wireless at the smaller Lewis Center site. Each contract had a different renewal date, different SLA, different monthly rate per Mbps. None of the four sites had any failover, so a single carrier outage at any DC took warehouse-management-system access down for that location.

What we did

Mapped every contract, every SLA, every renewal date into a single procurement schedule
Placed the SD-WAN partner that runs Fortinet at all four sites with carrier-agnostic appliances
Sourced dual carriers per site (primary fiber + secondary LTE/5G failover) with auto-failover under 50ms
Renegotiated all four primary circuits to consolidated annual rates with co-terminus renewal
Built a central management dashboard showing real-time WAN health across every DC for the CIO

What changed

Monthly internet spend across all four sites dropped from $8,200 to $6,400 — saving $21,600/yr
Zero unplanned WAN outages in 14 months since go-live; two carrier outages caught by auto-failover with no business impact
WMS performance improved 40% at the two satellite warehouses (direct cloud breakout, no more HQ backhaul)
Adding the fifth Ohio DC took 9 days instead of the 60-day MPLS timeline of the prior network
CIO got 4–6 hours/week back from carrier troubleshooting

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