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How to change the DNS settings on a Netgear CG3700EMR-1CMNDS router

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Setup Router Staff
(Last Updated: ) | Reading Time: 4 minutes

This page shows how to change the DNS settings on the Netgear CG3700EMR-1CMNDS router.

Other Netgear CG3700EMR-1CMNDS Guides

This is the dns guide for the Netgear CG3700EMR-1CMNDS. We also have the following guides for the same router:

What is the DNS setting on a Router

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When you connect a router to the Internet it gets a few settings from your ISP automatically. One of the settings that the ISP sets in your router is the DNS setting. DNS stands for Domain Name System and it is used to convert Internet names into actual IP addresses. For instance, when you go to "google.com", your are really connecting to an IP address that is mapped through DNS to a number such as:

  • 173.194.33.73

This mapping happens automatically every time you visit any page on the Internet.

Why Change Your Router's DNS Setting

Some ISPs choose to abuse the DNS system and map unknown names to servers that they control. This can be done in a way that you don't know it is happening since your router is getting its DNS settings from your ISP. For instance, if you have one of these ISPs who is hijacking your DNS, and you try to surf the web to "some-random-site.com" and "some-random-site.com" does not exist, you might get a page back from your ISP with local advertisements on it.

By changing your DNS setting in your router you will effectively change the DNS setting for every computer on your network. This is because when a device is connected to your network your router automatically hands out its own DNS settings to that device. This way you can protect your entire network from ISP hijacking with just one setting.

What Should I Change My DNS To

There are 2 really great DNS servers on the Internet that you can choose from right now: Google Public DNS and OpenDNS. If you are not sure which one to pick then just use Google Public DNS.

When you change the DNS settings in your router, you usually have to enter a Primary and a Secondary setting. The secondary is only used if the primary can not be located. Here are common settings:

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If you want to use Google Public DNS, use the following settings:

  • Primary: 8.8.8.8
  • Secondary: 8.8.4.4

If you want to use OpenDNS, use the following settings:

  • 208.67.222.222
  • 208.67.220.220

Login To The Netgear CG3700EMR-1CMNDS

To get started configuring the Netgear CG3700EMR-1CMNDS DNS page you need to login to your router. If you are already logged in you can skip this step.

To login to the Netgear CG3700EMR-1CMNDS, follow our Netgear CG3700EMR-1CMNDS Login Guide.

Change the DNS settings on a Netgear CG3700EMR-1CMNDS

If you followed our login guide above then you should see this screen.

router status mac address internet IP
This is the status page from your Netgear CG3700EMR-1CMNDS router.

Begin on the Basic Home page of the Netgear CG3700EMR-1CMNDS router. From here, click the Advanced tab at the top of the page.

This opens a new set of choices on the left side of the page. Click Setup. Then under that choose Internet Setup.

Configure the DNS section of your Netgear CG3700EMR-1CMNDS

router wan setup
This is the wan page from your Netgear CG3700EMR-1CMNDS router.

This directs you to a page like the one you see above.

Find the section labeled Domain Name Server (DNS) Address. Under this heading click the radio button labeled Use These DNS Servers.

Then beneath that use the boxes labeled Primary DNS to enter the main DNS server address you want to use.

Then enter the alternate DNS address in the Secondary DNS boxes. Remember that this address is only used if the first can't be found.

If you want to enter a third address, go ahead and type it into the boxes labeled Tertiary DNS. There is a good chance that this address will never be used so you can leave it blank if you want.

That's it, to save these changes, click the green Apply button.

Possible Problems when Changing your DNS settings

Most devices on your network will not begin using the new DNS settings until they have been rebooted. After rebooting a device you can go to it's network settings and verify that it is using the DNS servers that you specified.

Other Netgear CG3700EMR-1CMNDS Info

Don't forget about our other Netgear CG3700EMR-1CMNDS info that you might be interested in.

This is the dns guide for the Netgear CG3700EMR-1CMNDS. We also have the following guides for the same router: