Re: 16 year old bug [with non-contiguous netmasks]

To: tech-net%NetBSD.org@localhost, "tech-kern%NetBSD.org@localhost" <tech-kern%NetBSD.org@localhost>
Subject: Re: 16 year old bug [with non-contiguous netmasks]
From: Alan Barrett <apb%cequrux.com@localhost>
Date: Mon, 23 Aug 2010 15:43:06 +0200

On Mon, 23 Aug 2010, Christoph Egger wrote:
> [OpenBSD] commit message:
> --------------------------------------------
> Fix a 16 year old bug in the sorting routine for non-contiguous netmasks.

I suggest removing support for non-contiguous netmasks.  They are
unusable with CIDR (introduced in 1993 in RFCs 1517, 1518, and 1519).
Even RFC 950 (August 1985) recommended that subnet bits should be
contiguous.

--apb (Alan Barrett)

Follow-Ups:
- Re: 16 year old bug [with non-contiguous netmasks]
  - From: Joerg Sonnenberger
- Re: 16 year old bug [with non-contiguous netmasks]
  - From: Thor Lancelot Simon

References:
- 16 year old bug
  - From: Christoph Egger

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