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Problem with LAN for Internet

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4 replies

by pranav_software

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Hello to all.
I am Network Administrator and since last few days I am facing a strange error my LAN. LAN is working properly and also ping is displays correct reply from server and broadband side, but internet does not working in any where in the clients please help me what to do to solve the problem and start internet.

4 replies

by oh smeg

So without knowing anymore than what you have posted above and supposing that the LAN is working correctly unplug the Power to the Modem, leave it unplugged for 30 seconds and then plug it back in and see if it works now.

If it does the Modem has taken a Power Spike and scrambled it.

If it doesn't let us know what the LAN actually is and the OS's connected to it.

Col

by churdoo

If this problem is affecting many clients, then I would look at your DNS. As Oh Smeg stated, you've not given us much information to go on, so the best we can do in the meantime is make assumptions.

Are you using windows active directory? What are the O/S on your servers? Are your clients DNS settings pointing to your active directory DNS servers? Are your DNS servers set with FORWARDERS pointing to your ISP DNS resolvers? Can you browse the internet from your local DNS servers? Can you do random NSLOOKUP's (e.g. NSLOOKUP www.google.com)from clients or servers and are you returned results?

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