Connections Manager is a tray icon utility that you can use by left clicking on it to choose the active internet connection without disconnecting other ones.
It works by disabling windows dead gateway detection, the technology that switches to the next gateway if the active one fail, dead gateway detection can have undesired behaviour especially if you have an unstable connection, so disabling it will allow you to manually choose the active connection.
Features:
* Switch between connections by a simple click without disconnecting or disabling them
* Can manage any type of connection: lan, wifi, dial-up, VPN....
* Connection name is shown with the address of the gateway
* Do not modify your config: reboot or reconnect any of the the connections and you will be back to previous state
* You can quit the program it won't change your active connection.