IETF Logo Mail Archive

Re: [Idr] IETF LC for IDR-ish document <draft-ietf-grow-bgp-reject-05.txt> (Default EBGP Route Propagation Behavior Without Policies) to Proposed Standard

Gert Doering <gert@space.net> Wed, 26 April 2017 11:41 UTC

Return-Path: <gert@space.net>
X-Original-To: idr@ietfa.amsl.com
Delivered-To: idr@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8929B129B59 for <idr@ietfa.amsl.com>; Wed, 26 Apr 2017 04:41:03 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.601
X-Spam-Level:
X-Spam-Status: No, score=-2.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RP_MATCHES_RCVD=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id yaO4TAQDNFde for <idr@ietfa.amsl.com>; Wed, 26 Apr 2017 04:41:01 -0700 (PDT)
Received: from mobil.space.net (mobil.space.net [IPv6:2001:608:2:81::67]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 92312129B55 for <idr@ietf.org>; Wed, 26 Apr 2017 04:41:00 -0700 (PDT)
X-Original-To: idr@ietf.org
Received: from mobil.space.net (localhost [IPv6:::1]) by mobil.space.net (Postfix) with ESMTP id 5B47B60BC7 for <idr@ietf.org>; Wed, 26 Apr 2017 13:40:58 +0200 (CEST)
X-SpaceNet-Relay: true
X-SpaceNet-Relay: true
X-SpaceNet-Relay: true
X-SpaceNet-Relay: true
Received: from moebius4.space.net (moebius4.space.net [IPv6:2001:608:2:2::251]) by mobil.space.net (Postfix) with ESMTP id 1C8A860A24; Wed, 26 Apr 2017 13:40:58 +0200 (CEST)
Received: by moebius4.space.net (Postfix, from userid 1007) id 0E9C7238B6; Wed, 26 Apr 2017 13:40:58 +0200 (CEST)
Date: Wed, 26 Apr 2017 13:40:57 +0200
From: Gert Doering <gert@space.net>
To: Robert Raszuk <robert@raszuk.net>
Cc: Gert Doering <gert@space.net>, idr wg <idr@ietf.org>, "t.petch" <ietfc@btconnect.com>
Message-ID: <20170426114057.GR25069@Space.Net>
References: <9047A5A0-ED12-43C2-B2C5-D2A71CBB4373@arrcus.com> <D51D46A7.A9732%acee@cisco.com> <0A49219D-E721-4DA8-B9BF-A55C2FA36FBE@puck.nether.net> <D95C67A4-AEBF-400B-A360-61C342FD6E4A@arrcus.com> <CA+b+ER=hq0=JNRfF8VA76_aqeRMBCeyQm5aTbapysXGTgaGS_g@mail.gmail.com> <50353B76-1323-4828-88D6-25954DA1E344@puck.nether.net> <20170425221104.GS30063@pfrc.org> <023e01d2be72$031ac180$4001a8c0@gateway.2wire.net> <20170426095547.GP25069@Space.Net> <CA+b+ERk4FxB4KQ3N0xtjV6uaQptd=EGKdpbKcpoL2TH41fVSYg@mail.gmail.com>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="5YKSb2j9DSNMgxAt"
Content-Disposition: inline
In-Reply-To: <CA+b+ERk4FxB4KQ3N0xtjV6uaQptd=EGKdpbKcpoL2TH41fVSYg@mail.gmail.com>
X-NCC-RegID: de.space
User-Agent: Mutt/1.7.2 (2016-11-26)
Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/zNExm2XRrjf2r9p4yopHmObOaTI>
Subject: Re: [Idr] IETF LC for IDR-ish document <draft-ietf-grow-bgp-reject-05.txt> (Default EBGP Route Propagation Behavior Without Policies) to Proposed Standard
X-BeenThere: idr@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Inter-Domain Routing <idr.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/idr>, <mailto:idr-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/idr/>
List-Post: <mailto:idr@ietf.org>
List-Help: <mailto:idr-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/idr>, <mailto:idr-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 26 Apr 2017 11:41:04 -0000

Hi,

On Wed, Apr 26, 2017 at 01:28:49PM +0200, Robert Raszuk wrote:
> Unless the result is not lost of connectivity but lost of BGP path
> redundancy from your AS.
> 
> It is quite often and in fact good idea to have dual vendors as your ASBRs.
> 
> So unless proper cli is automagically added the problem may only  surface
> weeks and months after upgrade and in fact far from given ASBR when
> external link from still operational ASBR breaks.

This still hurts those that have no policies configured, which is
how it should be.

"Failing open" hurts totally unrelated networks, which is not what it
should be.

Not hard, isn't it?

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

SpaceNet AG                        Vorstand: Sebastian v. Bomhard
Joseph-Dollinger-Bogen 14          Aufsichtsratsvors.: A. Grundner-Culemann
D-80807 Muenchen                   HRB: 136055 (AG Muenchen)
Tel: +49 (0)89/32356-444           USt-IdNr.: DE813185279

v2.23.0 | Report a Bug | By Email