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 From:  Oivind <oivindg at gmail dot com>
 To:  Chris Buechler <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] OPT interfaces, change ip bug?
 Date:  Tue, 3 Jan 2006 21:46:29 +0100
On 1/3/06, Chris Buechler <cbuechler at gmail dot com> wrote:
> On 1/3/06, Oivind <oivindg at gmail dot com> wrote:
> > I have a 1.21 m0n0wall box with a quad interface pci card.
> >
> > I.e. I assign to OPT1. Now, if I reassign to
> > without touching mask, it is set to /8 though the gui displays /24
> > before i click save.
> >
> Yeah, it automatically assigns the CIDR based on the address class.
> If you don't tab or click outside the IP address box before clicking
> the Save button, you end up with a mask you didn't intend to have.

Ok, I see. IMHO, if I don't touch the CIDR after updating the ip on an
interface, it means that I want to keep the CIDR visible in the gui
when I click save.

> In pfsense, I'm pushing for removing that behavior entirely, and
> defaulting to /24 for everything.  Would make sense, IMO, to do the
> same here.  Practically nobody should want a 10. network to be a /8,
> and /24 is a much more sensible default.

Yes, I agree indeed that /24 would be a sensible default on first ip
assignment to a 10. network.