gateway.sgml 中翻译的疑问。

[Haifeng Chen <optical.dlz@gmail.com>]

Low level network configuration
 <p>
The traditional low level network configuration tools on GNU/Linux
systems are the <prgn>ifconfig</prgn> and <prgn>route</prgn> programs
which come in the <package>net-tools</package> package. 
...

这个 Low level 如何翻译比较通俗？