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How to change the DNS settings on a Linksys WRT54G router

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Setup Router Staff
(Last Updated: ) | Reading Time: 8 minutes

This page shows how to change the DNS settings on the Linksys WRT54G router.

Other Linksys WRT54G Guides

This is the dns guide for the Linksys WRT54G. 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 Linksys WRT54G

To get started configuring the Linksys WRT54G DNS page you need to login to your router. If you are already logged in you can skip this step.

To login to the Linksys WRT54G, follow our Linksys WRT54G Login Guide.

Change the DNS settings on a Linksys WRT54G

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

router setup
This is the setup page from your Linksys WRT54G router.

You begin on the Basic Setup page of the Linksys WRT54G. This is the correct page to make the necessary changes.

Configure the DNS section of your Linksys WRT54G

router setup
This is the setup page from your Linksys WRT54G router.

Find the boxes labeled Static DNS 1. Enter the primary address of that DNS server here, this is the address that is always used first.

Next is the Static DNS 2. Enter the secondary address of that DNS server here. Remember that this is the address that is only used when the first can't be found.

You can leave the third set of boxes blank unless you have a third address you wnat to use.

Finally, click the Save Settings button at the bottom of the page.

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 Linksys WRT54G Info

Don't forget about our other Linksys WRT54G info that you might be interested in.

This is the dns guide for the Linksys WRT54G. We also have the following guides for the same router: