This page shows how to change the DNS settings on the Arris TG2472G router.
Other Arris TG2472G Guides
This is the dns guide for the Arris TG2472G. 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 Arris TG2472G
To get started configuring the Arris TG2472G DNS page you need to login to your router. If you are already logged in you can skip this step.
To login to the Arris TG2472G, follow our Arris TG2472G Login Guide.
Change the DNS settings on a Arris TG2472G
If you followed our login guide above then you should see this screen.
After you have finished logging into the Arris TG2472G router you should see the page displayed above. No matter what your home screen looks like you need to click the option at the top of the page labeled LAN Setup. Then in the left sidebar click the option of LAN SETTINGS.
Configure the DNS section of your Arris TG2472G
On this page scroll down until you see the heading of DNS Override.
- Put a checkmark in the box labeled Enable DNS Override.
- In the box labeled Primary DNS Server IP enter the main DNS server you want to use. This DNS server will be used almost 100% of the time.
- In the box labeled Secondary DNS Server IP enter the secondary DNS server you want to use. Remember this DNS server will only be used occasionally when the main DNS server is unavailable.
- Finally in the Tertiary DNS Server IP box you can enter your third choice of a DNS server. You can also simply leave this box blank because there is almost no chance that you will ever need a third DNS server.
Don't make any other changes to this page. You are finished and simply need to click the Apply button to save your changes.
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 Arris TG2472G Info
Don't forget about our other Arris TG2472G info that you might be interested in.
This is the dns guide for the Arris TG2472G. We also have the following guides for the same router: