Setting up a guest Wi‑Fi network at home or in your business

How do I set up a guest Wi‑Fi network at home or in my business? We see this a lot: a client calls in the middle of the morning, frantic because a visitor's laptop connected to their Wi‑Fi, then the whole office slows to a crawl as the guest device starts streaming video. The answer? Keep the guest traffic on its own SSID, isolated from your main devices. Why separate a guest network from your main LAN? When a guest is on the same network as your workstations, printers and servers, they can accidentally (or deliberately) reach resources they shouldn't. A separate guest SSID gives you a tidy firewall between the two worlds – the guest can browse the web, but not see your shared folders or NAS. What equipment do I need? Any modern router or mesh system that supports multiple SSIDs – most from BT, Sky, Virgin, Asus, Netgear and Google do. A device to log into the router’s admin interface – laptop, tablet or phone. Basic network details: your main SSID name, password and the router’s IP address (usually 192.168.1.1 or 10.0.0.1). If you’re unsure whether your router can host a guest network, give us a shout – we can check it as part of our Wi‑Fi & networks service. Step‑by‑step: configuring a guest SSID on a typical router Connect to the router’s admin page. Open a browser and type the gateway address (check the label on the back of the box if you’re not sure). Log in with the admin credentials. If you never changed them, the defaults are often “admin/admin” – change these str