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Windows 7: Default Gateway not found

30 May 2013   #11
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

OK I'm starting to get an idea of what's going on here. What I'm seeing is two different default IP's, this usually means that what you think is just a modem is actually a modem/router then it appears as if you are plugging that into another router with a different default gateway.

In order to confirm this I need to know the model number and name of the modem you are using, I also need the model number of the router you are using.

This is a very common problem and isn't so easily diagnosed, you would usually just need to turn off DHCP on the secondary router and plug the cable from the modem/router into the LAN port on the secondary router. Although there may be a bit more set up involved depending on a few different factors.


My System SpecsSystem Spec
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30 May 2013   #12
DewVoltage

 
 

Modem name: Motorola Surfboard
Number: SB6120

Router Number (May be wrong, I couldnt see it very well): 5251-8690

I would love some help.
My System SpecsSystem Spec
31 May 2013   #13
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Well it's just a regular modem so something else is causing the problem. I'm seeing DNS entries in the IPv4 properties that don't need to be there as the router should be handling DNS, best to just type the DNS servers into the routers settings for DNS.

Which default gateway are you typing in? It looks like you need to use 192.168.1.1 but I see another gateway of 192.168.0.1?
My System SpecsSystem Spec
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01 Jun 2013   #14
DewVoltage

 
 

I just changed it to 192.168.1.1 I noticed that now that you said it too, I'll report back if that fixes it
My System SpecsSystem Spec
01 Jun 2013   #15
DewVoltage

 
 

I'm still getting disconnected like it normally would. Anything else that I can try? I also don't know what you mean by put the gateway into the router settings. Sorry.
My System SpecsSystem Spec
01 Jun 2013   #16
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by DewVoltage View Post
I'm still getting disconnected like it normally would. Anything else that I can try? I also don't know what you mean by put the gateway into the router settings. Sorry.
In the routers settings there is a place where you can type in the DNS IP's that you want to use like Google at 8.8.8.8 and 8.8.4.4

I'm still not sure where the secondary gateway is coming from but I think that is part of the problem.
My System SpecsSystem Spec
01 Jun 2013   #17
DewVoltage

 
 

I'm very sorry for my stupidity, but I still don't quite understand, the 2nd network is gone but now my internet is disconnecting like normal. I dont understand what you're telling me to do with the router DNS
My System SpecsSystem Spec
04 Jun 2013   #18
DewVoltage

 
 

The problem is still occurring no matter what I try. Any suggestions for anything? Latest IPconfig/all I'm down for trying about anything cause I am so lost as to whats going on.


Attached Thumbnails
Default Gateway not found-ip-config.jpg  
My System SpecsSystem Spec
08 Jun 2013   #19
DewVoltage

 
 

So, I just factory reset my computer, due to slowness and clutter not for the problem, and yet its still happening, I dont understand whats wrong I REALLY need help...
My System SpecsSystem Spec
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 Default Gateway not found




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