Case study · Connectivity

Internet Redundancy & Automatic Failover

Removing a single circuit as a single point of failure for a cloud-dependent business.

The situation

A company had moved ERP, email and phones to cloud services while still running a single wired internet circuit. Provider outages stopped work entirely, and there was no defined process for what employees should do during one.

01

What was implemented

  • Secondary connectivity over a diverse path (LTE/5G)
  • Dual-WAN failover configured on the firewall
  • Failover thresholds tuned for degradation, not just hard loss
  • Deliberate failover testing in a maintenance window
  • Circuit monitoring with alerting
  • A documented degraded-mode process for staff
02

Result pattern

Primary circuit failures became a brief interruption rather than a stoppage, with critical applications continuing on the backup path and staff knowing in advance which functions would be slower.

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