From owner-freebsd-net@freebsd.org Tue Aug 28 20:02:15 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 390991097066 for ; Tue, 28 Aug 2018 20:02:15 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id CC93594AD4 for ; Tue, 28 Aug 2018 20:02:14 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: by mailman.ysv.freebsd.org (Postfix) id 91B361097063; Tue, 28 Aug 2018 20:02:14 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 573EC1097062 for ; Tue, 28 Aug 2018 20:02:14 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:d12:604::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id E5D8B94ACE for ; Tue, 28 Aug 2018 20:02:13 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13:0:0:0:5]) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id w7SK26HH007218 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Aug 2018 22:02:07 +0200 (CEST) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: driesm.michiels@gmail.com Received: from [10.58.0.4] ([10.58.0.4]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id w7SK22F5090807 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Wed, 29 Aug 2018 03:02:02 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: IPv6 Martians To: Dries Michiels , "'Marek Zarychta'" , net@freebsd.org References: <5adfc4d1-94d5-da7f-7d98-8dd91ff95b33@plan-b.pwste.edu.pl> <001b01d43f06$40508740$c0f195c0$@gmail.com> From: Eugene Grosbein Message-ID: Date: Wed, 29 Aug 2018 03:01:56 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <001b01d43f06$40508740$c0f195c0$@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM,SPF_PASS autolearn=no autolearn_force=no version=3.4.1 X-Spam-Report: * -0.0 SPF_PASS SPF: sender matches SPF record * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on hz.grosbein.net X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Aug 2018 20:02:15 -0000 29.08.2018 2:35, Dries Michiels wrote: >> IPv6 Martians are blocked by forwarding code in 11-STABLE, but all this noise >> fills kernel message buffer: >> >> cannot forward from :: to 2001:xyz:zxy::f00b nxt 58 received on vlan5 cannot >> forward from :: to 2001:xyz:zxy::f00b nxt 58 received on vlan5 cannot >> forward from :: to 2001:xyz:zxy::f00b nxt 58 received on vlan5 cannot >> forward src fe80:10::yxz:a50f:fcb6:5f1e, dst 2001:xyz:zxy::f00b, nxt 58, rcvif >> vlan4, outif vlan2 cannot forward src fe80:10::yxz:a50f:fcb6:5f1e, dst >> 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif vlan2 cannot forward src >> fe80:10::yxz:a50f:fc89:e1a0, dst 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif >> vlan2 cannot forward src fe80:10::yxz:a50f:fc89:e1a0, dst >> 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif vlan2 cannot forward src >> fe80:10::268a:7ff:feeb:d250, dst 2001:xyz:zxy::d1, nxt 17, rcvif vlan4, outif >> vlan2 cannot forward src fe80:10::yxz:a50f:fc8a:9024, dst >> 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif vlan2 cannot forward src >> fe80:10::yxz:a50f:fc8a:9024, dst 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif >> vlan2 cannot forward src fe80:10::1, dst 2001:xyz:zxy::f00b, nxt 58, rcvif >> vlan4, outif vlan4 cannot forward src fe80:10::1, dst 2001:xyz:zxy::f00b, nxt >> 58, rcvif vlan4, outif vlan4 cannot forward src fe80:10::250:56ff:fe86:1b36, >> dst 2001:xyz:zxy::d1, nxt 17, rcvif vlan4, outif vlan2 cannot forward src >> fe80:10::yxz:a50f:fc90:9d4, dst 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif >> vlan2 cannot forward src fe80:10::yxz:a50f:fc90:9d4, dst 2001:xyz:zxy::f00b, >> nxt 58, rcvif vlan4, outif vlan2 cannot forward src >> fe80:10::yxz:a50f:fc89:e1a0, dst 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif >> vlan2 cannot forward src fe80:10::yxz:a50f:fc89:e1a0, dst >> 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif vlan2 cannot forward src >> fe80:10::yxz:a50f:fc89:e1a0, dst 2001:xyz:zxy::f00b, nxt 58, rcvif vlan4, outif >> vlan2 >> >> Dear subscribes, could you please prompt how to get rid of this noise? >> So far I have not found appropriate sysctl for disabling this messages. > > I can confirm the same issue on stable-11. > I just ignored it as I thought it was a badly coded client. > Seems there is something else going on then. As workaround, use sysctl net.inet6.ip6.log_interval=2147483647 This means "log this once per 68 years".