defaultrouted is a tool that automates network
configuration by trying to find alternate networks
when a gateway stops working. It uses has a
configuration file that lists conditions and
actions to be performed. Conditions can be IP
addresses of networking interfaces, whether an
Ethernet interface has a link, whether a wireless
interface is associated, the SSID and AP of access
points, and logical combinations of these. Actions
can include setting gateways, configuring wireless
parameters, configuring static IP addresses, and
calling external programs.
