Segmenting a Flat Office Network with FortiGate VLANs

How to break a flat 192.168.1.0/24 office network into proper VLANs for staff, guests, and IoT devices.

NetworkingFortiGateSysAdminSecurity
Mifzaal Abdul Bari

Mifzaal Abdul Bari

@islandboymv

·1 min read

Most small office networks start flat — every device on 192.168.1.0/24, everything able to reach everything else.

Target Architecture

  • VLAN 10 — Staff
  • VLAN 20 — Guest WiFi
  • VLAN 30 — IoT / CCTV
  • VLAN 40 — Management
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