[37092] in North American Network Operators' Group

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Re: Use of IPv6 /127 prefixes

daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue May 1 03:59:28 2001

Message-Id: <200105010633.f416X4L05632@foo-bar-baz.cc.vt.edu>
To: Mike Leber <mleber@he.net>
Cc: nanog@nanog.org
In-reply-to: Your message of "Mon, 30 Apr 2001 18:00:23 PDT."
             <Pine.LNX.4.21.0104301733510.1185-100000@ruby.he.net> 
From: Valdis.Kletnieks@vt.edu
Date: Tue, 01 May 2001 02:33:04 -0400
Errors-To: owner-nanog-outgoing@merit.edu


On Mon, 30 Apr 2001 18:00:23 PDT, Mike Leber <mleber@he.net>  said:
> Why do /127s work for point to point links?

Because a point-to-point has no *real* concept of "address" other
than "my end" and "your end".  There was a recent RFC regarding the
use of /31's in IPv4 space that relied on the same logic.

				Valdis Kletnieks
				Operating Systems Analyst
				Virginia Tech


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