Disclaimer:
Due to the wide variety of devices available and potential variations in their firmware, the information presented below may or may not be accurate. For this same reason, OpenDNS support will generally not be able to provide device-specific assistance beyond what is provided below. If you need further assistance specific to your device, please contact either the manufacturer's support team, or your ISP if you are using leased equipment.
1. Access the router's browser-based utility.
Log into your router’s browser-based utility by entering 192.168.0.1 or your default configuration IP into a browser.

3. Select the "WAN Settings" link from the left.

4. Change your DNS type.
The options may differ depending on your firmware. Scroll down to “4. Set the DNS Type,” then selected Static DNS.
8. Make sure your settings have been applied.

To ensure that OpenDNS is working properly for you, please flush your browser and DNS cache by following the instructions below:
http://www.opendns.com/support/article/67
http://www.opendns.com/support/article/68