How to Activate Arris DG3450 DOCSIS 3.1 Cable Modem

Activating your modem is required for it to gain internet access for your home network. It can take around 30 minutes or so depending on a number of factors. We recommend taking a picture of the numbers on your modem such as the serial number so it’s easier to refer to while you’re going through activation. Here’s how to get your modem activated with internet access:

  1. Connect the modem to a coaxial cable outlet and to your device using an Ethernet cable.
  2. Power on the modem and wait for it to boot up and establish a connection with the internet service provider.
  3. Contact your internet service provider and provide them with the modem’s MAC address, serial number, and any other information they require to activate the modem.
  4. Follow the instructions provided by your internet service provider to activate the modem. This may involve entering an activation code or configuring the modem’s settings over the phone.
  5. Once the activation process is complete, test your internet connection to ensure it is working properly.

How to Reset Arris DG3450 DOCSIS 3.1 Cable Modem

  1. Locate the reset button on the back of the Arris DG3450 DOCSIS 3.1 Cable Modem.
  2. Press and hold the reset button for 10 to 30 seconds.
  3. Wait for the lights on the modem to turn off.
  4. Release the reset button and wait for the lights to turn on again.
  5. The modem will now have been reset to its factory settings.

How to Login Arris DG3450 DOCSIS 3.1 Cable Modem

Logging into your modem is useful for a variety of reasons. You may need to change your WiFi name and/or password, or you’re working on troubleshooting some issue with your network. Whichever the reason, it’s a good idea to know how to log into the settings of your DG3450.

  1. Connect the modem to a coaxial cable outlet and to your device using an Ethernet cable.
  2. Power on the modem and wait for it to boot up and establish a connection with the internet service provider.
  3. Open a web browser on your connected device and navigate to the default gateway address, usually http://192.168.100.1 or http://192.168.0.1.
  4. Log in to the modem’s interface using the default username and password, often “admin” and “password” respectively.
  5. Follow the on-screen prompts to activate the modem with your internet service provider. This may involve entering the service provider’s activation code or contacting customer support.
  6. Test your internet connection to ensure it is working properly.

Did we answer all your questions about the Arris DG3450 DOCSIS 3.1 Cable Modem? Let us know in the comments, or leave your own questions for our technicians to answer!

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