Do I Connect My Router to WAN or LAN?
This is a common question for anyone setting up a new home network. Understanding the difference between WAN and LAN ports is crucial for establishing a reliable internet connection. Let's break it down:
WAN (Wide Area Network):
- What is it? The WAN port on your router is the gateway to the internet. It's the point where your home network connects to your internet service provider (ISP).
- How does it work? Think of it as a "one-way street" for data to flow from your ISP to your home network.
- Connection type: This port usually accepts a modem cable, either coaxial or fiber optic.
LAN (Local Area Network):
- What is it? The LAN ports on your router are designed to connect devices within your home network.
- How does it work? LAN ports allow devices like your computer, smartphone, smart TV, or gaming console to communicate with each other and share resources.
- Connection type: These ports typically accept Ethernet cables (RJ-45).
Connecting Your Router:
- Modem: Connect your modem to the WAN port on your router. This port is usually labeled with "WAN," "Internet," or an icon resembling the internet.
- Devices: Connect your devices (computers, laptops, gaming consoles, etc.) to the LAN ports on your router using Ethernet cables.
Common Mistakes:
- Connecting the modem to a LAN port: This will prevent your router from connecting to the internet. Your devices won't be able to access the internet either.
- Connecting a device to the WAN port: This will likely result in your device receiving a local IP address but unable to access the internet.
Why Use a Router?
- Sharing the internet: A router allows you to share your internet connection with multiple devices.
- Security: Routers act as a firewall, protecting your devices from external threats.
- Network management: Routers provide a central point for managing your network, including setting up wireless networks and assigning IP addresses.
Wireless Connections:
While the above focuses on wired connections, most modern routers also include a wireless access point that broadcasts a Wi-Fi signal. Your devices can connect to this signal without an Ethernet cable.
Summary
To connect your router correctly, remember to:
- Connect the modem to the WAN port.
- Connect your devices to the LAN ports or wireless network.
Following these steps will ensure a stable and secure internet connection for your home network.