According to Clemens Wacha <clemens.wacha@gmx.net>:
>I can live with the missing metric keyword.
If you check the (extensive!) bug list for ifupdown, you'll find that
I've already written a patch to support the "metric" keyword. But it
also requires some help from dhcp3-client if you want it to play nice
with DHCP.
--
Chip Salzenberg - a.k.a. - <chip@pobox.com>
"It furthers one to have somewhere to go."