Available configuration variables:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

CONFIG_TOS		Routing by TOS supported
CONFIG_AUTO_ROUTES	Device routes are added automagically by the kernel
CONFIG_ALL_MULTICAST	All devices support multicasting (i.e., ignore IFF_MULTICAST)

CONFIG_UNIX_IFACE	Use Unix interface scanner
CONFIG_UNIX_SET		Use Unix route setting
CONFIG_LINUX_SCAN	Use Linux /proc/net/route scanner