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I have a comcast Business Router that is hooked into a Juniper SRX300 firewall. Then the Firewall is plugged into the Aruba 2530 Switch. The problem I experience is some of the endpoints will connect with no problem to web pages. And some will not saying the error is failed to connect DNS issue. Why would this only be on some computers and not all if it is a DNS issue? I'm completely dumfounded by this. Please advise. Also one laptop that is doing it on the network doesn't do it on another network.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 73%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESQ%3C/text%3E%3C/svg%3E)
Hi,
Just want to confirm the current situations.
Please feel free to let us know if you need further assistance.
Best Regards,
Sunny
Hi,
Just want to confirm the current situations.
Please feel free to let us know if you need further assistance.
Best Regards,
Sunny
It has been resolved thank you.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Might compare the results of
ipconfig /all
tracert 8.8.8.8
between working and non-working.
--please don't forget to upvote and Accept as answer if the reply is helpful--
It has been resolved thank you for your help
Glad to hear, you're welcome.
Hi,
Welcome to Q&A platform.
I noticed that some third-party devices were involved in your environment, and the issue only occurred on some clients, some clients were working well. Before we go further, I would like to know if the DNS settings were configured same on both working and non-working scenarios? Which website cannot be accessed?
I would suggest you could run the following command in a cmd window with administrator privilege on both working and non-working clients to see if there is any differences. Or you could post the results with removing any private information of you or your company for further troubleshooting.
nslookup -d2 domain name of the problematic website
Best Regards,
Sunny
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Just checking if there's any progress or updates?
--please don't forget to upvote and Accept as answer if the reply is helpful--
This issue was resolved. It was the cradlepoint causing the two different IP addresses. Once removed the IP stayed same.