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7.4

Secondary DNS Address did not work

Asked by Todd_Wilson in Domain Name Service (DNS), Network Operations, Internet Explorer Web Browser

Tags: WISP DNS

Hello,
We operate a small WISP in Central Nebraska. Recently somone at our Internet provider took a DNS server offline. Over the past 4 years we have programmed the IP address of that server into our customers Canopy radios, routers, and computers. The secondary DNS address that was also coded in remained online at all times. For some reason approx. 50% of our customers experienced an outage. I expected that I would find that we had either neglected to program in a valid secondary DNS ip address, or that we had just neglected to type one in all togather. That was not the case. In all instances the valid secondary IP address was present. Why would some versions of XP properly use the secondary dns address and remain online while others refused to present web pages? In one instance a VOIP phone worked but the browser would not display web pages until a new primary DNS server address was typed in. Any suggestions as to how I can determine why some machines on the same network failed while others did not?
Thanks,
Todd Wilson
[+][-]03/04/09 11:39 AM, ID: 23798485Accepted Solution

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About this solution

Zones: Domain Name Service (DNS), Network Operations, Internet Explorer Web Browser
Tags: WISP DNS
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Solution Provided By: Matkun
Participating Experts: 1
Solution Grade: B
 
[+][-]03/04/09 11:50 AM, ID: 23798614Author Comment

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