[IPv6]Re: [v6ops] Re: New draft: "The IPv6 Loopback Address Prefix"

sthaug@nethelp.no Wed, 26 November 2025 10:51 UTC

Return-Path: <sthaug@nethelp.no>
X-Original-To: ipv6@mail2.ietf.org
Delivered-To: ipv6@mail2.ietf.org
Received: from localhost (localhost [127.0.0.1]) by mail2.ietf.org (Postfix) with ESMTP id 8E8CD90F89F4; Wed, 26 Nov 2025 02:51:14 -0800 (PST)
X-Virus-Scanned: amavisd-new at ietf.org
X-Spam-Flag: NO
X-Spam-Score: -1.898
X-Spam-Level:
X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from mail2.ietf.org ([166.84.6.31]) by localhost (mail2.ietf.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sP8pzWcUPwxO; Wed, 26 Nov 2025 02:51:12 -0800 (PST)
Received: from bizet.nethelp.no (bizet.nethelp.no [195.1.209.4]) by mail2.ietf.org (Postfix) with ESMTP id 7EEAA90F89EF; Wed, 26 Nov 2025 02:51:12 -0800 (PST)
Received: from localhost (bizet.nethelp.no [195.1.209.4]) by bizet.nethelp.no (Postfix) with ESMTP id 46832646B02; Wed, 26 Nov 2025 11:51:05 +0100 (CET)
Date: Wed, 26 Nov 2025 11:51:05 +0100
Message-Id: <20251126.115105.1507664968273103704.sthaug@nethelp.no>
To: markzzzsmith@gmail.com
From: sthaug@nethelp.no
In-Reply-To: <CAO42Z2wmCYvqpCGn6LxLW0otHS0kqmS6jGXkXqLtcKhPJn9eMQ@mail.gmail.com>
References: <CAO42Z2wZKaY8pcpgByyDcr=+59OhbO=fVsdLzdivwF+CnK0nqA@mail.gmail.com> <aSbDC6wo80tmRmZ2@Space.Net> <CAO42Z2wmCYvqpCGn6LxLW0otHS0kqmS6jGXkXqLtcKhPJn9eMQ@mail.gmail.com>
X-Mailer: Mew version 6.10 on Emacs 30.2
Mime-Version: 1.0
Content-Type: Text/Plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Message-ID-Hash: 5HPIKAPC67MSWT5TZWOJ3YXDHO6MCRXT
X-Message-ID-Hash: 5HPIKAPC67MSWT5TZWOJ3YXDHO6MCRXT
X-MailFrom: sthaug@nethelp.no
X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-ipv6.ietf.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header
CC: gert@space.net, gih902@gmail.com, ipv6@ietf.org, v6ops@ietf.org
X-Mailman-Version: 3.3.9rc6
Precedence: list
Subject: [IPv6]Re: [v6ops] Re: New draft: "The IPv6 Loopback Address Prefix"
List-Id: "IPv6 Maintenance Working Group (6man)" <ipv6.ietf.org>
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/xs6PvQdEYXo1R9mCyOvatiW4JtI>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Owner: <mailto:ipv6-owner@ietf.org>
List-Post: <mailto:ipv6@ietf.org>
List-Subscribe: <mailto:ipv6-join@ietf.org>
List-Unsubscribe: <mailto:ipv6-leave@ietf.org>

> Assignment of loopback prefixes to loopback interfaces should be
> automated. I think that is one of the key values of 127.0.0.1/8 - it's
> automatically configured.

Note that "automatically configured" is not universal. For instance,
the Juniper MX / PTX routers I use on a daily basis don't have
127.0.0.1/8 automatically configured.

Steinar Haug, AS2116