How to separate guest and staff WiFi
If your customers connect to the same network as the till, the cameras or the office computers, you have a security and performance problem.
The problem with a single network
With one network, any connected device can "see" the others: a customer's phone, the payment terminal, the camera recorder or the accounts computer. And if guests use lots of bandwidth, the POS and orders slow down.
What is a VLAN?
A VLAN is a virtual network: over the same cabling and access points, you create several networks isolated from one another. Each WiFi network (SSID) can be mapped to a VLAN.
A typical layout
- Guests: internet only, isolated from each other, with a speed limit.
- Staff: access to work tools.
- POS and payments: dedicated, prioritised network.
- Cameras and IoT: closed network, no access from the guest network.
- Administration: management computers and servers.
What you need
A router or firewall that supports VLANs, managed switches and professional access points. Operators' consumer routers usually don't offer enough control.
Bonus: backup connection
For businesses where the POS can't go down, you can add a backup mobile connection that takes over automatically if the main line fails.
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