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Author Topic: Internet connection lost at router  (Read 2920 times)

juicepail

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Internet connection lost at router
« on: July 21, 2011, 08:50:05 AM »

I'm very unskilled default IT guy over the summer and am having issues with my routers. Yesterday we had a very brief power outage and until then everything worked fine. Small business that runs modem - router - switch. Since the power outage I can only get internet if I run straight into the modem. As soon as I run from the modem to any (tried 3 different ones) router I lose internet. I get a wireless signal on my router. I've reset the router to default settings. I've plugged in another router to the modem to check and I don't get anything from that router either (which was not plugged in during the power outage). Help?
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FurryNutz

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Re: Internet connection lost at router
« Reply #1 on: July 21, 2011, 10:36:12 AM »

Swap cables between the modem and router and ensure they are in good working order. Remove the switch device while testing.

If you've put 2 different routers online with the modem and they don't work, it might be the modem.
What HW version is your router?
What FW version is currently loaded?

What ISP Service do you have? Cable or DSL?
What ISP Modem do you have? Stand Alone or built in router?
What ISP Modem make and model do you have?


Ensure DNS IP addresses are being filled in under Setup/Internet/Manual?
Turn off QoS options.
Turn off Advanced DNS Services if you have this option.
Turn on DNS Relay under Setup/Networking.
Setup DHCP reserved IP addresses for all devices on the router.
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP.
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Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.