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My setup is like this:

  • I have two routers (R1 and R2) at home.
  • R1 is used as private ethernet network that connects all my personal devices such as printer, external HDD etc. It's not connected to internet.
  • R2 is connected to internet and serves to other devices such as Laptop, mobile devices, gaming console, TV etc.
  • My windows 8 laptop is connected to both - R1 via ethernet and R2 via wifi.

Now, I cannot access internet on this laptop. Windows gives preference to ethernet and try to connect to internet using this. I want windows to connect to internet using R2 wifi connection.

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please paste out the route information: route -n. Usually it's caused by default routing information which should be that from R2. is there a DHCP service in your R1? –  shawnzhu Sep 8 '13 at 23:41
    
It is safe to post complete route information publicly here? –  matrix Sep 10 '13 at 17:48
1  
understood. In most cases, the last accepted DHCP offer wins which will update your route, DNS and ip address. for example, if your ethernet get DHCP offer from R1 later than wifi device from R2, the default gateway will be R1 which means you can't access internet. So you can try to disable wifi device, then enable it after ethernet get ip address. –  shawnzhu Sep 11 '13 at 0:17
    
@shawnzhu, cool. It worked. I switched off wifi (my laptop has a hardware button) and then connected Ethernet. Waited until it identified the network and showed no internet access (If you don't wait, it won't work). Then I switched on wifi. The symbol on the system tray changed to wifi and I can access internet. –  matrix Sep 22 '13 at 14:03
    
@shawnzhu, can you post your comment in answers so that I can mark it as answered. This will help other users. –  matrix Sep 22 '13 at 14:05

3 Answers 3

up vote 1 down vote accepted

In most cases, the last accepted DHCP offer wins which will update your route, DNS and ip address. for example, if your ethernet get DHCP offer from R1 later than wifi device from R2, the default gateway will be R1 which means you can't access internet. So you can try to disable wifi device, then enable it after ethernet get ip address.

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Configure the ethernet connection with a static IP and no gateway. Use DHCP for the wireless connection. Make sure the subnets for R1 and R2 are different.

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you can change the order of connection priority in windows settings

  1. Open control pannel
  2. Click 'Network and Internet'
  3. Click 'Network And Sharing Center'
  4. from left side click 'Change Adapter Settings'
  5. On the "Network Connections" window, press the ALT key on your keyboard to being up the menu bar
  6. Click the "Advanced" menu and then "Advanced Settings"
  7. In the "Advanced Settings" window you will see the "Adapters and Bindings" tab and under "Connections" you will see the order they are in, you can use the arrows to the side to move the connection priority up and down.
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This didn't work out. My order (from top) is Wifi >> Ethernet >> [Remote Access Connection]. I tried by changing the position of wifi and ethernet without any luck. –  matrix Sep 10 '13 at 17:47

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