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How to change the DNS settings on a BT 2700HGV 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 BT 2700HGV router.

Other BT 2700HGV Guides

This is the dns guide for the BT 2700HGV v2. 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 BT 2700HGV

To get started configuring the BT 2700HGV DNS page you need to login to your router. If you are already logged in you can skip this step.

To login to the BT 2700HGV, follow our BT 2700HGV Login Guide.

Change the DNS settings on a BT 2700HGV

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 BT 2700HGV router.

You should begin on the Summary page of the BT BT2700HGV. To change the DNS server settings, click the link at the top of the page labeled Settings.

New tabs now appear below that one, click the one labeled Broadband, then below that Link Configuration.

Configure the DNS section of your BT 2700HGV

router dns setting
This is the dns page from your BT 2700HGV router.

This is the page you should now be on. Look down this page until you see the heading of Broadband IP Network, and the sub-heading of DNS.

Tick the radio button labeled Manually specify your DNS information.

Under this is a box titled Primary Server. Enter the primary address of the DNS server you want to use.

Use the next box labeled Secondary Server to enter the secondary address of that same DNS server.

In the box titled Domain Name, you can either leave this blank or enter local in it.

It is a good idea to save your changes before exiting. There doesn't seem to be a save button on this page, it may save automatically. We recommend looking for a save before you exit.

That's it!

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 BT 2700HGV Info

Don't forget about our other BT 2700HGV info that you might be interested in.

This is the dns guide for the BT 2700HGV v2. We also have the following guides for the same router: