How to Log In to an Arris Cable Modem

By Nick Davis

Your Arris cable modem is equipped with diagnostic and setup tools for configuring security, Internet Protocol addresses and other settings. These tools are loaded on a microchip within the Arris cable modem. You can log into your Arris cable modem via your computer's Internet browser. Once you log into the cable modem, you can make changes to your modem's settings and troubleshoot any problems with your Arris cable modem.

Step 1

Turn on your Arris cable modem if it is off.

Step 2

Open your computer's Internet browser.

Step 3

Enter "" in the URL box of the browser.

Step 4

Press the “Enter” or “Return” key on your computer's keyboard. The Arris diagnostics website will open in your computer's Internet browser.

Step 5

Click on the links to view security, modem status and information about your Arris cable modem.

Step 6

Click on the “X” in the upper right-hand corner of the Arris diagnostics website to close the browser window.

Tips & Warnings

  • Bookmark the Arris diagnostics website within your Internet browser so you can quickly return to the tool.