From owner-freebsd-net@freebsd.org Sun Feb 14 22:15:54 2021 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8169D53F284 for ; Sun, 14 Feb 2021 22:15:54 +0000 (UTC) (envelope-from bc979@lafn.org) Received: from mail.sermon-archive.info (sermon-archive.info [71.177.216.148]) by mx1.freebsd.org (Postfix) with ESMTP id 4Df1lY4lpBz4fsN for ; Sun, 14 Feb 2021 22:15:53 +0000 (UTC) (envelope-from bc979@lafn.org) Received: from [10.0.1.251] (mini [10.0.1.251]) by mail.sermon-archive.info (Postfix) with ESMTPSA id 4Df1lW6JvSz2fjRR for ; Sun, 14 Feb 2021 14:15:51 -0800 (PST) From: Doug Hardie Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) Subject: Re: Changes in IPv6 between FreeBSD 12.2 and 13.0-BETA2 Date: Sun, 14 Feb 2021 14:15:51 -0800 References: To: freebsd-net@freebsd.org In-Reply-To: Message-Id: <9DA0CC79-1C0E-48BB-BE40-1DD2930AFC8D@sermon-archive.info> X-Mailer: Apple Mail (2.3654.60.0.2.21) X-Virus-Scanned: clamav-milter 0.103.0 at mail X-Virus-Status: Clean X-Rspamd-Queue-Id: 4Df1lY4lpBz4fsN X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of bc979@lafn.org designates 71.177.216.148 as permitted sender) smtp.mailfrom=bc979@lafn.org X-Spamd-Result: default: False [-1.37 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[71.177.216.148:from]; MV_CASE(0.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_DN_NONE(0.00)[]; NEURAL_SPAM_MEDIUM(0.31)[0.306]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[71.177.216.148:from:127.0.2.255]; DMARC_NA(0.00)[lafn.org: no valid DMARC record]; R_SPF_ALLOW(-0.20)[+ip4:71.177.216.148/32]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.98)[-0.976]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:5650, ipnet:71.177.216.0/23, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-net] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 14 Feb 2021 22:15:54 -0000 > On 14 February 2021, at 00:18, Doug Hardie = wrote: >=20 > Are there any changes in the IPv6 configuration? I have multiple = machines. Some are still on 12.2 and one on 13.0. I have configured = both as described in the handbook for IPv6. The 13.0 machine can ping = the router just fine and the router shows in ndp: >=20 > Neighbor Linklayer Address Netif Expire = S Flags > fe80::120c:6bff:fee9:cdf7%bge0 10:0c:6b:e9:cd:f7 bge0 = 23h33m12s S=20 > fee1::230 68:5b:35:d3:4e:da bge0 = permanent R=20 > fe80::6a5b:35ff:fed3:4eda%bge0 68:5b:35:d3:4e:da bge0 = permanent R=20 >=20 > The first entry is the router. Its a real router, not a FreeBSD = machine. >=20 > On the 12.2 systems I get from ndp: >=20 > Neighbor Linklayer Address Netif Expire = S Flags > fee1::250 38:c9:86:07:3b:5b bge0 = permanent R=20 > fe80::3ac9:86ff:fe07:3b5b%bge0 38:c9:86:07:3b:5b bge0 = permanent R=20 >=20 > The router doesn't show and ping6 of it's address yields: > PING6(56=3D40+8+8 bytes) fe80::3ac9:86ff:fe07:3b5b%bge0 --> = fe80::120c:6bff:fee9:cdf7%bge0 >=20 > Nothing more for quite awhile. >=20 > I suspect there is a configuration item needed in 12.2 that is no = longer needed for 13 but I haven't figured out what that would be. I = have confirmed that the 12.2 system is receiving the router = advertisements. They are just being ignored. >=20 Found the problem. pf was blocking the advertisements. -- Doug