Why a Guest Network Matters
Without a guest network, your smart TV, a friend's phone, and your work laptop are all on the same network — able to reach each other. One compromised device can access all the others. A guest network creates an isolated segment in 10 minutes with no extra hardware.
What to Put on the Guest Network
Smart / IoT Devices
- Smart TVs and streaming sticks
- Smart speakers (Alexa, Google)
- Security cameras and doorbells
- Smart thermostats and bulbs
- Smart plugs and switches
- Game consoles
Trusted Devices
- Your laptops and desktop computers
- Your personal smartphones
- NAS drives and storage
- Printers you want private
Setup Guide by Router Brand
Eero: Eero app → Network Settings → Guest Access → Enable
One toggle in the app. Add a name and password. Done in under 2 minutes — the simplest setup of any router brand.
TP-Link Deco: Deco app → More → Guest Network → Enable
Set a separate SSID and password. Enable "Block guest network access to LAN" for full isolation.
ASUS: Admin (192.168.1.1) → Wireless → Guest Network → Enable
Set "Intranet Access" to OFF for isolation. ASUS supports up to 3 guest networks per band.
Netgear: admin.netgear.com → Wireless → Guest WiFi → Enable
Netgear automatically isolates guest devices from the main network by default.
ISP Router: Login at 192.168.1.1 → look for "Guest" or "Secondary WiFi"
ISP routers vary. Look for "Guest Network" or "Secondary Network" in wireless settings. Not all ISP routers support this — upgrading is the fix.
You're Done — Final Checklist
- Guest network created with a strong separate password
- Every smart TV, camera, speaker, plug reconnected to guest network
- Laptops and phones staying on main network
- "Client isolation" or "AP isolation" enabled if your router offers it
Done. Even if a smart device gets completely compromised, it's now contained — it cannot see or reach your laptops, phones, or NAS drives.