[101500] in North American Network Operators' Group
Re: Using x.x.x.0 and x.x.x.255 host addresses in supernets.
daemon@ATHENA.MIT.EDU (Joe Provo)
Tue Jan 8 09:20:02 2008
Date: Tue, 8 Jan 2008 09:18:42 -0500
From: Joe Provo <nanog-post@rsuc.gweep.net>
To: nanog@merit.edu
Reply-To: nanog-post@rsuc.gweep.net
In-Reply-To: <122235.41692.qm@web54607.mail.re2.yahoo.com>
Errors-To: owner-nanog@merit.edu
On Tue, Jan 08, 2008 at 05:45:36AM -0800, Joshman at joshman dot com wrote:
> Hello all,
> As a general rule, is it best practice to assign x.x.x.0 and
> x.x.x.255 as host addresses on /23 and larger?
Yes. Efficient address utilization is a Good Thing.
> I realize that technically they are valid addresses, but does anyone
> assign a node or server which is a member of a /22 with a x.x.x.0
> and x.x.x.255?
Great for router interfaces, loops, etc where you don't care that
broken or archaic systems cannot reach them, and where the humans
interacting with them should have no issues.
Cheers,
Joe
--
RSUC / GweepNet / Spunk / FnB / Usenix / SAGE
