From owner-freebsd-questions@freebsd.org Sun Aug 6 16:11:18 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 314B5DB7FD8 for ; Sun, 6 Aug 2017 16:11:18 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [205.211.164.50]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id B28556506E for ; Sun, 6 Aug 2017 16:11:17 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (lava.sentex.ca [IPv6:2607:f3e0:0:5::11]) by smarthost2.sentex.ca (8.15.2/8.15.2) with ESMTPS id v76GB5FC041252 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Sun, 6 Aug 2017 12:11:05 -0400 (EDT) (envelope-from mike@sentex.net) Received: from [192.168.43.26] (saphire3.sentex.ca [192.168.43.26]) by lava.sentex.ca (8.15.2/8.15.2) with ESMTP id v76GB27d033562; Sun, 6 Aug 2017 12:11:03 -0400 (EDT) (envelope-from mike@sentex.net) Subject: Re: default route via SLAAC not working ? (solved) From: Mike Tancsa To: =?UTF-8?Q?Trond_Endrest=c3=b8l?= Cc: freebsd-questions References: <96b09a19-01e1-e182-e9c0-d1526a12373f@sentex.net> <3e0e0362-d8c8-5f85-46dc-f4e103f78fc2@sentex.net> Organization: Sentex Communications Message-ID: Date: Sun, 6 Aug 2017 12:11:02 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.78 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Aug 2017 16:11:18 -0000 On 7/31/2017 3:37 PM, Mike Tancsa wrote: > On 7/31/2017 2:13 PM, Trond Endrestøl wrote: >> >> That's strange. I've never seen such behaviour before. >> Maybe a packet capture can provide more clues. > > Not sure whats going on from the pcap. I dont see any values in there > that would tell the kernel to expire a setting in less than 5min OK, I think I found it! quagga was enabling ipv6 forwarding in its config. So it seems when that is enabled, SLAAC will not pick up the default route or at least nuke it. That sort of makes sense actually! ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/