ip route show echo "1" > /proc/sys/net/ipv4/ip_forward echo "0" > /proc/sys/net/ipv4/ip_forward ip route replace to default via ${ip} ip route delete to default if test "${route_target}" = "ethernet"; then ip route replace to ${ip} dev eth${iface_num} exit $? elif test "${route_target}" = "forward"; then ip route replace to ${ip} via ${forward} exit $? fi ip route delete to ${ip}