Small Business and Home Network Setup - Separate VLANs for Everything
Small Business and Home Network Setup - Separate VLANs
When your business runs from home, your work laptop and your kid's iPad should not be on the same network segment. VLANs solve this, and the setup is simpler than most people think.
Why Separate VLANs Matter
A flat network means every device can see every other device. Your business NAS with client data is reachable from the smart TV. Your development server is on the same broadcast domain as the IoT thermometer that has not been updated in three years.
VLANs create logical separation on the same physical network. Business devices on VLAN 10, personal devices on VLAN 20, IoT devices on VLAN 30. Each VLAN has its own subnet, its own DHCP range, and its own firewall rules.
The Basic Architecture
You need a managed switch (not the cheap unmanaged ones) and a router or firewall that supports VLANs. UniFi, pfSense, or OPNsense all work. The setup is - create VLANs on the router, configure trunk ports on the switch, assign access ports to each VLAN.
Business VLAN gets full internet access and access to the business NAS. Personal VLAN gets internet access but cannot reach business resources. IoT VLAN gets internet access but cannot reach anything else on the network. Simple rules, big security improvement.
Where AI Agents Fit In
A desktop AI agent running on your business VLAN can automate network monitoring - checking device health, flagging unusual traffic, generating reports on bandwidth usage. It can also manage firewall rules, update device configurations, and alert you when an IoT device starts making unexpected connections.
The agent itself should run on the business VLAN with read access to the router's API. This keeps automation within the secure segment while still giving it visibility into the whole network.
Network management is exactly the kind of tedious, recurring task that desktop agents handle well - too manual for scripts, too boring for humans.
Fazm is an open source macOS AI agent. Open source on GitHub.