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two networks no internet connection when both active

Last response: in Networking
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August 2, 2013 10:22:22 AM

hi all
i have two networks one is my internet connection the other is a gaming LAN network. when the gaming LAN is enabled it says i still have internet but when i try access firefox it does not load any page and says no internet connection. as soon as i disable the LAN the internet works perfectly.
my motherboard is the big bang xpowerII
windows 7 64bit
a b 4 Gaming
August 2, 2013 11:42:46 AM

It's not clear to me exactly what you mean.

Do you have TWO ethernet outputs on your motherboard and are trying to use BOTH at the same time?

Perhaps your motherboard is unique, but my last motherboard had two ethernet connectors but they coud be used:
1) EITHER (not both) for single network, or
2) BOTH TOGETHER (teaming) for single network (didn't matter since my network bandwidth was already higher than a single ethernet chip could support so I never used it)

Normally you just use ONE of those ethernet outputs for BOTH your online and LAN needs. The ROUTER (standalone or in Gateway device with Modem) simply forwards your data to the MODEM for Internet (WAN), or to another device for LAN connectivity.

*My best guess is you're trying to do something not supported such as hooking up the same PC to the network twice by using both Ethernet ports. If not, make it CLEAR what's going on.

Best solution

August 2, 2013 11:57:47 AM
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boothy008 said:
hi all
i have two networks one is my internet connection the other is a gaming LAN network. when the gaming LAN is enabled it says i still have internet but when i try access firefox it does not load any page and says no internet connection. as soon as i disable the LAN the internet works perfectly.
my motherboard is the big bang xpowerII
windows 7 64bit


This could be an issue to your local routing table not knowing which interface to go out to the internet. In a command prompt please type the following exactly and post back your results:

route print

___________________________________________

Also are both networks on separate subnets? If not then this will be another potential cause as both LANs need to be on seperate subnets and your computer will need the respecting IP address for each interface.

Josh :) 
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August 3, 2013 3:57:45 PM

Shadowjk said:
boothy008 said:
hi all
i have two networks one is my internet connection the other is a gaming LAN network. when the gaming LAN is enabled it says i still have internet but when i try access firefox it does not load any page and says no internet connection. as soon as i disable the LAN the internet works perfectly.
my motherboard is the big bang xpowerII
windows 7 64bit


This could be an issue to your local routing table not knowing which interface to go out to the internet. In a command prompt please type the following exactly and post back your results:

route print

___________________________________________

Also are both networks on separate subnets? If not then this will be another potential cause as both LANs need to be on seperate subnets and your computer will need the respecting IP address for each interface.

Josh :) 


Thank you for your help Josh it was because both networks had the same subnets now changed one and works perfectly

Thanks again
Mark :) 
August 3, 2013 4:00:12 PM

boothy008 said:
Shadowjk said:
boothy008 said:
hi all
i have two networks one is my internet connection the other is a gaming LAN network. when the gaming LAN is enabled it says i still have internet but when i try access firefox it does not load any page and says no internet connection. as soon as i disable the LAN the internet works perfectly.
my motherboard is the big bang xpowerII
windows 7 64bit


This could be an issue to your local routing table not knowing which interface to go out to the internet. In a command prompt please type the following exactly and post back your results:

route print

___________________________________________

Also are both networks on separate subnets? If not then this will be another potential cause as both LANs need to be on seperate subnets and your computer will need the respecting IP address for each interface.

Josh :) 


Thank you for your help Josh it was because both networks had the same subnets now changed one and works perfectly

Thanks again
Mark :) 


I'm glad your problem is solved :) 

Josh
!