On Fri, Feb 24, 2006 at 04:05:24PM +0100, Jukka Salmi wrote:
> So, how do I correctly configure alias IP addresses? According to the
> FreeBSD [1]handbook only the first address should have a real netmask,
> and all aliases should be /32. But this seems to not work correctly
> if the order of the addresses might change suddenly...

This is a feature (limitation?) of the FreeBSD routing table.
You can have multiple routes with the same destination network in
NetBSD, so you could configure them as /24. It still doesn't answer why
it does the reordering though.

Joerg