[121603] in North American Network Operators' Group
Re: Using /31 for router links
daemon@ATHENA.MIT.EDU (kris foster)
Fri Jan 22 20:15:42 2010
From: kris foster <kris.foster@gmail.com>
In-Reply-To: <20100123004123.GA64506@gweep.net>
Date: Fri, 22 Jan 2010 17:15:02 -0800
To: nanog-post@rsuc.gweep.net
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jan 22, 2010, at 4:41 PM, Joe Provo wrote:
> On Fri, Jan 22, 2010 at 04:08:28PM -0800, Seth Mattinen wrote:
>> In the past I've always used /30's for PTP connection subnets out of =
old=20
>> habit (i.e. Ethernet that won't take unnumbered) but now I'm =
considering=20
>> switching to /31's in order to stretch my IPv4 space further. Has =
anyone=20
>> else does this? Good? Bad? Based on the bit of testing I've done this=20=
>> shouldn't be a problem since it's only between routers.
>=20
> rfc3021 is over 9 years old, so should be no suprise that it works=20
> well. :-)
Works well if supported. Vendor b (nee f) apparently dropped it off =
their roadmap.
--
kris=
