Change the DNS settings on the DD-WRT router


Changing DNS is the fastest way to speed up the Internet. Previous articles Taimienphi.vn showed you how to change DNS settings on Windows 7,8 and 10. In the following article, Taimienphi.vn will guide you how to change DNS settings on DD-WRT router.


In addition to changing the DNS on your computer, you can also change the DNS settings on the router to speed up the Internet. Taimienphi.vn below will guide you how to replace Change the DNS settings on the DD-WR router.

Learn DNS settings on the router

When connecting the Router (router) to the Internet, it automatically assigns some settings of the Internet service provider (ISP) that you are using.

The ISP has DNS installed in your router. DNS stands for Domain Name System and is used to convert Internet domain names into real IP addresses. For example, when you access Google.com, you will connect to the IP address that is mapped through DNS like this:

173.194.33.73

The IP address is automatically mapped when a user visits any website on the Internet.

Why change the DNS settings on the router?

Some Internet service providers take advantage of the DNS system to map to the servers they control. Users are completely unaware of this issue because their router uses DNS pre-installed by the ISP.

For example, if your Internet service provider (ISP) is in charge of setting up DNS on your router, when you visit random websites, these websites do not exist and you will receive ads showing on device screen.

By changing the DNS settings on the router to experience faster web surfing on your devices. This is because when a device is connected to your network, the router automatically switches the DNS settings to that device. This way you can protect your entire network.

Which DNS server should I change to?

There are 2 DNS servers you can choose from, including: Google Public DNS and OpenDNS. If you’re not sure which DNS server to choose, you can switch to using Google Public DNS.

When changing the DNS settings in the router, you will have to enter the main and secondary settings in the Primary DNS and Secondary DNS boxes, respectively. Secondary DNS is only used if Primary DNS cannot be found.

Here is the DNS address of Google Public DNS:

– Primary: 8.8.8.8
– Secondary: 8.8.4.4

DNS address of OpenDNS:

208.67.222.222
208.67,220,220

Log in to the Linksys DD-WRT-v24-SP2 router

To configure Linksys DD-WRT-v24-SP2 DNS as well as to change DNS settings on other DD-WRT routers, you need to log in to the router. If you are already logged in, you can skip this step.

Change the DNS settings on the DD-WRT-v24-SP2 router

After logging in to the router, the screen will display the window as shown below:

change settings on the router dd wrt 2

The instructions below start on the System Information page of the DD-WRT-v24-SP router. To configure DNS settings, click the option Setup at the top of the page. Then select the link with the name Basic Setup.

Configure the DNS for the DD-WRT-v24-SP2 router

Scroll down this page until the item is found Network Setup. Find the item named Local DNS. Enter the DNS server address in the box next to it.

Finally click Save button then click Apply Settings, then you will receive a restart message. Perform a reboot to apply the changes.

Problems can occur when changing the DNS settings on the router

Most devices on the network will not use the new DNS settings you just changed until users restart these devices. After the reboot is complete, you can access network settings and verify that the device is using the DNS server you specify.

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The article on Taimienphi.vn has shown you how to change the DNS settings on the DD-WRT router. If in the process of changing DNS settings on the DD-WRT router you encounter any problems or problems, need answers, please leave your comments in the comment section below. Taimienphi.vn will answer your questions as soon as possible.

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