1. 看路由表: route print,有多个连接的时候比较metric,数值小的优先。
2. Wired and Wireless connections on the same Windows 7 machine.
"When more than one network connection is available, Windows uses the one with the lowest metric value."
1. Open the Network Connections folder (Start > Run > ncpa.cpl)
2. Right click the desired connection.
3. Click Properties > Internet Protocol Version 4.
4. Click Properties > Advanced.
5. Un-check "Automatic metric".
6. Enter a number between 1 and 9999 for the "Interface metric".