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One local IP address on network having consistent issues


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3 replies to this topic

#1 jerrymck

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Posted 06 March 2017 - 03:24 PM

This address is in our DHCP scope. It is not being used by any other device, it's ping-able and can ping back out but it can't browse the internet. Like I said, this is the ONLY IP address on the network that does that. It's not reserved on our router and we have tried restarting our network equipment. what do you guys think?

 

I apologize if this is too vague. I'm not the networking guy here in the office and our actually networking tech is out for the day. It's not an emergency but I just wanted to know what the community thought. 


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#2 toofarnorth

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Posted 06 March 2017 - 03:58 PM

Hi Jerry

Could you try the following things on the computer with the issue?

Open cmd prompt. Type: ping 8.8.8.8
Does it get a reply?

If it does, try: ping www.google.com

Does it get a reply now?

If pinging 8.8.8.8 works but pinging www.google.com doesnt the computer has internet connectivity, but the dns isnt working as it should.

If pinging 8.8.8.8 doesnt work either we will have to look into a problem closer to home

Let me know how it goes and we can take it from there
 

 

tfn



#3 ItsAllGeekToMe

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Posted 06 March 2017 - 06:31 PM

In addition to the above, try doing a trace route to an IP internally and externally.  Assuming it is a Windows machine, you would go to a command prompt and type in tracert 8.8.8.8 for the external IP and then just replace 8.8.8.8 with an IP of another device on your network for the internal side.  It will be interesting to see if/where you get timeouts.

 

Again, assuming it is Windows, I wonder if there is something setup in the Windows firewall.  Perhaps there is a policy in the site's firewall that is blocking it too?  Just some thoughts.



#4 Wand3r3r

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Posted 07 March 2017 - 09:30 AM

"it's ping-able and can ping back out"

Then the ip address is a non issue.

 

Post the results of a ipconfig /all from the problem pc for review






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