Answer | Domain Name Server (DNS) is a database that contains domain host names (e.g http://www.arris.com) which are linked to a specific IP address.  When accessing a website by domain name like www.arris.com, the DNS retrieves the IP address to access the website. DNS makes it possible to access the websites by domain names.Â
The DNS settings can be customized when using public DNS or installing private DNS in a home network.  This document describes how to setup custom DNS addresses in the SBG8300.Â
CAUTION: By default, the SBG8300 obtains DNS addresses automatically from the service provider.  Internet connection may be lost if the DNS addresses inputted in the SBG8300 are not legitimate. Â
DNS Setup
- Launch a web browser, such as Internet Explorer, Firefox, or Safari.  Enter http://192.168.0.1 into the address box, and press the Enter key. The https:// Redirect page will appear.  Â
 - The SURFboard Web Manager is begin redirected to a more secure connection, click the Proceed button to continue.  The Gateway > Login page will appear.
 - A security or private risk alert may appear on the web browser advising users to proceed with caution when accessing the Web Manager. There is no risk in proceeding to the Web Manager. For instructions to by-pass the alert screen, refer to article # 18181 - Alert Message for Web Manager Access.
NOTE: The Home Network Wizard will appear if this is the first time accessing the Web Manager. For assistance with the wizard, refer to article # 17969 - SBG8300: Web Manager First Time Login.
 - Enter admin in the Username field and enter the custom password in the Password field.
NOTE: If the Login page prompts for email address and password. Log into the Web Manager with the email and password used when setting up the SURFboard Manager app with the SBG8300.
 - Click the Login button.  The Gateway > Summary page will appear.
 - On the left hand-menu, click the Connection link and then Local IP Network link.
 - Click the IPv4 sub-menu link.  The Gateway > Connection > Local IP Network > IPv4 page will appear.
 - Uncheck the Enable DNS Relay option.Â
 - Select the Statically configured bullet-point option for LAN DNS.
 - Enter the alternative primary DNS address into the Primary DNS Server field.
 - Enter the alternative secondary DNS address into the Secondary DNS Server field.
 - Enter the four-digit CAPTCHA code in the Type CAPTCHA Here field.
 - Click the Save Changes button. Changes take effect immediately.
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