ifup (bring a network interface up)¶
ifup [-af] [INTF]
Each INTF must have a script /env/network/INTF that set the variables ip (to ‘static’ or ‘dynamic’), ipaddr, netmask, gateway, serverip and/or ethaddr. A script /env/network/INTF-discover can contains for discovering the ethernet device, e.g. ‘usb’.
|-a||bring up all interfaces|
|-f||Force. Configure even if ip already set|