On Fri, Feb 10, 2012 at 6:34 AM, Nathan Eisenberg
<[email protected]> wrote:
>
> Well, if you want to get technical, the minimum possible subnet in IPv4 over 
> Ethernet is actually a /31.  $employer uses these religiously in PtP Ethernet 
> links, and they work flawlessly.  Unfortunately, *BSD doesn't seem to 
> implement RFC3021, which is really a pity, because it means all my firewalls 
> use twice as many IPs as necessary on their uplinks.
>
> http://tools.ietf.org/html/rfc3021


FreeBSD 9 supports RFC3021
(http://svnweb.freebsd.org/base?view=revision&revision=226572).


-- 
.warren
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