Re: Stupid Question maybe?

[Baldur Norddahl <baldur.norddahl () gmail com>]

Why do we still have network equipment, where half the configuration
requires netmask notation, the other half requires CIDR and to throw you
off, they also included inverse netmasks.


tir. 18. dec. 2018 20.51 skrev Brian Kantor <Brian () ampr org>:

> /24 is certainly cleaner than 255.255.255.0.
>
> I seem to remember it was Phil Karn who in the early 80's suggested
> that expressing subnet masks as the number of bits from the top end
> of the address word was efficient, since subnet masks were always
> a series of ones followd by zeros with no interspersing, which
> was incorporated (or independently invented) about a decade later
> as CIDR a.b.c.d/n notation in RFC1519.
>         - Brian