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NCOS: Troubleshooting DNS Configuration

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NCOS: Troubleshooting DNS Configuration

Products Supported: AER31x0, AER21x0, MBR1400, MBR1200B, CBA850, CBA750B, IBR11x0, IBR6x0, IBR350. Click here to identify your router.

NCOS Version: 6.0.x and newer - for information on upgrading NCOS, click here.


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Summary

Troubleshooting

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Summary

DNS servers resolve domain names, like google.com, to the actual Internet IP addresses those domains represent, like 173.194.33.33. If your computer is not properly connecting to a DNS server, most programs that use the Internet will not work as expected.

This article provides the steps to take in order to test your DNS configuration.


Troubleshooting

Configuration Difficulty: Intermediate

NCOS 6.x.x Instructions

  • Step 1: Log into the NCOS Setup Page. For help with logging in please click here.

  • Step 2: Click on the SYSTEM tab, and select Diagnostics.

  • Step 3: In the Ping Test field type 8.8.8.8

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  • Step 4: Examine the test results that appear in a new black window on your screen.

    • If the window shows Ping 8.8.8.8 (8.8.8.8) and nothing else, please enable compatibility view mode or use a different web browser, and try this test again.
    • If you are getting a timed out message, then you have general connectivity problems. Please click here to troubleshoot.
    • If you are receiving ping responses, as shown below, please continue with this article.
  • Step 5: At the bottom of the Ping Results window click on Stop, and then Close.

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  • Step 6: In the Ping Test field, delete the sequence of numbers we typed earlier, and instead type google.com and click Ping.

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  • If you are getting a timed out message, like shown below, follow the steps described in this article to configure your router's DNS servers.

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  • If you are receiving ping responses like in step 5, please continue with this article.
  • Step 7: Open a new tab in your web browser, and in the address bar type http://www.google.com and hit Enter on your keyboard.

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  • If the page loads, your DNS configuration needs no further tweaking.
  • If the page does not load correctly, you will need to adjust the DNS settings on your computer as well. Please contact your computer manufacturer for further assistance.

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Published Date: 9/14/2015

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