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Assigning a Static IP in the Technicolor CGA4131 and CGA4332 Administrative Portal


Each device is assigned an IP address from the Gateway's DHCP server. When a device leaves, is turned off, or the lease time of the address expires, then the IP address becomes available.

If you want to run a service on a network device, such as a web server or network printer, then we recommend assigning a static IP to the device.

Your Static IP address is located in your Cox Business MyAccount, see Viewing Your IP Address in MyAccount.

Do not change the WAN Network Mode field.


Open a web browser and enter


Enter your username and password.

Note: If this is your first time accessing the administrative portal, then you will need to leave the username and password fields blank.


Click the Connection tab.

  1. Click the WAN sub-tab.

    image of the admin portal connection and wan tabs

  2. From the Working Mode drop-down, ensure Router Mode is selected.
  3. From the Connection Mode drop-down, select Add Static IP.

    image of the working mode and connection mode drop-down menus

Complete the following fields.

  • Internet IP Address
  • Subnet Mask
  • Default Gateway
  • Domain Name: Cox.com

    image of the static ip fields

    Note: If you receive an error message, then remove Cox.com from the Domain Name field and leave it blank.

    Important: Before entering the DNS, click the Assign DNS Manually button.

    image of the manually assign DNS button

  • Primary DNS:
  • Secondary DNS:

    Image of the DNS fields

    Note: If you subscribe to MalBlock services, then enter the following DNS. The MTU size can be left at the default value.
    • MalBlock Primary DNS:
    • MalBlock Secondary DNS:
New MyAccount

Cox Business MyAccount Updates

With the new and improved MyAccount portal from Cox Business, you’re in control. Included with your Cox Business services, it’s all right at your fingertips anytime, anywhere. 


  • Perform a health check on your services and reset your equipment
  • Easily configure key features and settings like voicemail and call forwarding
  • View your balance and schedule payments

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