Use of IPv6 /127 prefixes

Valdis.Kletnieks at Valdis.Kletnieks at
Tue May 1 06:33:04 UTC 2001

On Mon, 30 Apr 2001 18:00:23 PDT, Mike Leber <mleber at>  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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