yep makes sense... and most examples I have come across (apart form cisco)
always used 0.0.0.0 for area 0 for example..

Thanks
Tom Smyth

On Thu, 22 Aug 2024 at 14:51, Theo de Raadt <deraadt@openbsd.org> wrote:

> Tom Smyth <tom.smyth@wirelessconnect.eu> wrote:
>
> > so Arista and Cisco say area id is a 32 bit value  0-(2^32)-1
>  expressed as a number
> > or dotted decimal IP
>
> Sure, but "dotted decimal IP" is a pretty vague term, because everyone
> inherited
> the same flawed pre-cidr conversion functions.  That vagueness is the
> problem.
>
> So therefore it seems more important that we know it isn't used in
> practice.
> That seems to have been checked, and I think we can rush ahead now.  Also,
> if someone runs into this, their non-strict area can easily be edited into
> a
> the strict numeric form, so there's no real hazard here, the whole 32-bit
> numeric
> range remains useable.
>
>

-- 
Kindest regards,
Tom Smyth.