How to Connect Comcast to a Router


Comcast is a communications company is based in Philadelphia. It provides its customers with high-speed Internet service and also rents out cable modems that are compatible with the service. Comcast's cable Internet service has speeds up to 50 Mbps (megabits per second), which makes it ideal for sharing the connection with other computers in your network wirelessly. If you already have Comcast Internet access, you can connect your modem to a router in a matter of minutes.

Things You'll Need

  • Comcast high-speed Internet service
  • 2 ethernet cords
  • Wireless router
  • Disconnect the Ethernet cord from the back of your computer. Insert it into the Internet port of your new router. The Internet port sits separately from the other connections on the back of the router. The router will now be connected to the Comcast modem.

  • Connect the second Ethernet cord to one of the other connections (there will be three or four to choose from) on the back of the router and run it to the computer's network interface card (NIC), which is where the first Ethernet cord from Step 1 was connected previously.

  • Plug your router into an outlet and allow it to power up. Unplug and replug the Comcast modem as well to reset it. Restart your computer.

  • Open a Web browser and type in your router's IP address. Type in the login information to access your settings. Both of these details (address and login) are in the documentation that comes with the router. Click "List of Common Router Addresses & Default Logins" under "Resources," below, and scroll down for a list of common router addresses and corresponding default login information.

  • Click "Wireless Security" or the similar tab under your router settings (varies by brand) to set a wireless access password. Everyone who tries to access your Comcast Internet connection wirelessly will need this password.

  • Reset your router password (the login information from Step 4) under "Administration" or a similar tab. This will restrict others from accessing your router settings and changing the wireless password without your knowledge.

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