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.
Click "WAN Settings" from the "Broadband Settings" section.

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.
Ensure that the changes have been applied in the Modem Status page.

9. Test your settings
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