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DHCP - No Internet but have a Reserved IP

By avinash ·
I have an interesting issue.
My Dchp has a scope from .135-.250.

Suddenly my laptops can't seem to get internet. I have Mac Reservations so when I do the IP config /all on the laptops they get full subnet Mask, wins, dns and dns suffix.

but no internet, can't ping google. I can ping the dns server.

If I do a release and renew, my laptops only get a subnet mask, and the reserved ip. no dns or dns suffix.

Issue happens for Vista and XP laptops. I have tried switching them to different reservation ip's as well. same thing.

any help would be great, thanks.


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It sounds like a DNS issue

by NickNielsen In reply to DHCP - No Internet but ha ...

How are you pinging? Are you using the URL or the IP?

Check your DNS by pinging Google with the following:


If you can ping the IP, but not the URL, the problem is most likely in your DNS. If you can't ping either, your outside connection is down.

Note: Since you don't mention desktops at all (e.g. "None of my desktop PCs have this problem."), I am assuming the only PCs on your network are the laptops.

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Network Tools

by tim In reply to It sounds like a DNS issu ...


if one of your computers access Network tools and use the traceroute or ip remote tools



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