Network rebuild for a manufacturing site

Snapshot · Updated February 06, 2026

A brittle network was causing intermittent downtime and “mystery” performance issues. We stabilized the core and made it supportable.

Before

Inconsistent VLAN design, limited visibility, and ad-hoc firewall rules made troubleshooting slow and risky.

• Frequent intermittent outages
• No current network diagram or IP plan
• Minimal monitoring or alerting

What we changed

We simplified the design and made changes in staged windows with rollback plans.

• Rebuilt switching core and standardized VLANs
• Implemented centralized monitoring and alerting
• Created baseline documentation + change log

Outcome

Faster troubleshooting, fewer outages, and clear ownership of configs and diagrams.

• Documented diagrams and inventories delivered to the client
• Ongoing health checks and patch cadence established

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