From nobody Thu Sep 18 20:36:44 2025 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cSS9Z1SJyz680RX for ; Thu, 18 Sep 2025 20:37:06 +0000 (UTC) (envelope-from cross+freebsd@relay.distal.com) Received: from relay.wiredblade.com (relay.wiredblade.com [168.235.95.80]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4cSS9Y37ngz3PmS for ; Thu, 18 Sep 2025 20:37:05 +0000 (UTC) (envelope-from cross+freebsd@relay.distal.com) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=relay.distal.com header.s=mail header.b=aETFZrQg; dmarc=none; spf=pass (mx1.freebsd.org: domain of cross+freebsd@relay.distal.com designates 168.235.95.80 as permitted sender) smtp.mailfrom=cross+freebsd@relay.distal.com dkim-signature: v=1; a=rsa-sha256; d=relay.distal.com; s=mail; c=relaxed/relaxed; q=dns/txt; h=From:Subject:Date:Message-ID:To:CC:MIME-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To:References; bh=tXSvTCQSfW1hFzZGPeq4WSFrKP0K5bUBnECDlbK6sDo=; b=aETFZrQgbfZc638poQf8R5FshssNIrW5XoJDUrxLk8PQFqXa4sa7SRaZ3Q073atPfpvFxyfBXFc9Pfevwo+zj+JVCQjUoga0b6yHuDTPQdjhslQCf5T+WYaJ3nIMIFJRbXBdsgUTyTQ7GOx3yBg5Ia/14Rwc2OsPXNL3h6kdpmpnyNh8XYK1VtydpZBlUVZG6b8QGm1t8Fyo/hhWxjc7hw6vW8E8rh+AC5dbOXwhXhACn5SsZyo9EK43pC DSQg9aYi1H54gUh47ff7ZXoht0AXYoxeLSOSLjRFF1aBkeiny2uI5iYzOeWjuMcIvghCp6gMH/mTY5iuhmGE02sLzJew== Received: from mail.distal.com (pool-108-51-233-124.washdc.fios.verizon.net [108.51.233.124]) by relay.wiredblade.com with ESMTPSA (version=TLSv1.2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256) ; Thu, 18 Sep 2025 20:36:57 +0000 Received: from smtpclient.apple ( [173.38.117.85]) by tristain.distal.com (OpenSMTPD) with ESMTPSA id dad6e79d (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Thu, 18 Sep 2025 16:36:55 -0400 (EDT) Content-Type: text/plain; charset=utf-8 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: IPv6 networking problems in 14.3 From: Chris Ross In-Reply-To: <408DE851-47FF-476E-B7F6-C7920A93DD43@distal.com> Date: Thu, 18 Sep 2025 16:36:44 -0400 Cc: freebsd-net@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <1BF72AB3-69B6-4BC6-BA5B-6517BD35E41D@distal.com> References: <910737314.4002.1757962919189@localhost> <55365E3D-B7EA-4F95-BC1E-92910A2944EA@distal.com> <90A490DE-6BF0-4EBB-97CE-ECA690E2359C@distal.com> <5D82826E-8C0F-45CF-B9FF-093FD014E73F@distal.com> <611820c2-05f8-40bc-9b07-bef012183e30@denninger.net> <408DE851-47FF-476E-B7F6-C7920A93DD43@distal.com> To: Karl Denninger X-Mailer: Apple Mail (2.3826.700.81) X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.20 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; FORGED_SENDER(0.30)[cross@distal.com,cross@relay.distal.com]; R_DKIM_ALLOW(-0.20)[relay.distal.com:s=mail]; R_SPF_ALLOW(-0.20)[+a:relay.dynu.com]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_ALL(0.00)[]; TAGGED_FROM(0.00)[freebsd]; DMARC_NA(0.00)[distal.com]; RCPT_COUNT_TWO(0.00)[2]; DKIM_TRACE(0.00)[relay.distal.com:+]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; FROM_NEQ_ENVFROM(0.00)[cross@distal.com,cross@relay.distal.com]; ASN(0.00)[asn:3842, ipnet:168.235.92.0/22, country:US]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[freebsd-net@freebsd.org]; APPLE_MAILER_COMMON(0.00)[]; TO_DN_SOME(0.00)[] X-Rspamd-Queue-Id: 4cSS9Y37ngz3PmS > On 17 Sep 2025, at 14:20, Chris Ross wrote: > So, on the idea of trying to back-date the whole machine, I have ZFS > snapshots of the whole root from just before the first upgrade, > Aug 7/8. [=E2=80=A6] Brief update, more to come later I hope. I don=E2=80=99t know all of the magic of freebsd-update, but I was able = to figure/infer that it created versions (clones?) of the root fs at points of upgrade. I was able to swap one of those in, leaving the current system where it was at zroot/ROOT/default. I=E2=80=99ve set bootfs to the older 14.1 system and gotten that running. It _started_ looking bad, doing what the newer system was doing by sending out SOLICIT6 messages and not getting an answer from my ISP. But as Karl noted, if I waited long enough (2ish hours in my case), it eventually did get an answer! So, if anyone has suggestions of wise diagnostics to grab while it=E2=80=99s working, let me know. Then the next step is to try 4.3 again, and see if it=E2=80=99s failing in the prior way still, or if it = also starts by sending SOLICIT6 for a while and maybe after a few hours will get an answer. If that doesn=E2=80=99t, I=E2=80=99ll try interface switching again and other of the prior attempts, but being more patient will make that process take some days. So, just an update that I backed out to an early-August configuration that is again working, and I=E2=80=99ll try moving back to 14.3 again in a few days. - Chris=