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How to change the DNS settings on a Zhone 1518-A1 router

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Setup Router Staff
(Last Updated: ) | Reading Time: 5 minutes

This page shows how to change the DNS settings on the Zhone 1518-A1 router.

Other Zhone 1518-A1 Guides

This is the dns guide for the Zhone 1518-A1 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 Zhone 1518-A1

To get started configuring the Zhone 1518-A1 DNS page you need to login to your router. If you are already logged in you can skip this step.

To login to the Zhone 1518-A1, follow our Zhone 1518-A1 Login Guide.

Change the DNS settings on a Zhone 1518-A1

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

router setup
This is the setup page from your Zhone 1518-A1 router.

Beginning on the Quick Setup page of the Zhone 1518-A1, click the file on the left side of the page labeled Advanced Setup, then DNS, and DNS Server.

Configure the DNS section of your Zhone 1518-A1

router dns setting
This is the dns page from your Zhone 1518-A1 router.

On this new page, you should see two large boxes in the middle of the screen. Below this, tick the radio button that reads Use the following Static DNS IP address.

Then, enter the desired primary DNS server address in the box labeled Primary DNS server. This address is always going to be used first.

Beneath that is the Secondary DNS server. Enter the secondary address of the DNS server you have chosen here. This address acts as a backup when entered here. It is only used if the primary is unavailable.

That's all there is to it, click Apply/Save.

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 Zhone 1518-A1 Info

Don't forget about our other Zhone 1518-A1 info that you might be interested in.

This is the dns guide for the Zhone 1518-A1 v2. We also have the following guides for the same router: