From owner-freebsd-net@FreeBSD.ORG Thu Jun 12 20:40:22 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DB0AFF4D for ; Thu, 12 Jun 2014 20:40:22 +0000 (UTC) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B09812665 for ; Thu, 12 Jun 2014 20:40:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:To:From:Date; bh=rhgkQAT0FG0ht/WOIkIchXyorzD/AmuLErNWvLXe+k8=; b=kHmYKzRVuBLJLZjwOPWU7Zr8HfKPtn03ejkkwo08cQ4PUFNIUedWts5qaNn21Wb+yzgr0hPlKZj+QhkPVFlmLm22UlQP6pRRQ4BIT3wXh6jMEaSG1ROGYlEsD5vhiOJQTXp+oeRx/plRY9yNm+kQXug+o63Dw800RKMwGM7YdBs=; Received: from thebighonker.lerctr.org ([192.147.25.65]:56792) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.82 (FreeBSD)) (envelope-from ) id 1WvBnJ-000HDM-14 for freebsd-net@freebsd.org; Thu, 12 Jun 2014 15:40:22 -0500 Date: Thu, 12 Jun 2014 15:40:19 -0500 From: Larry Rosenman To: freebsd-net@freebsd.org Subject: Re: IPv6: "xxx::x already configured" in logs... why? Message-ID: <20140612204019.GA66089@thebighonker.lerctr.org> Mail-Followup-To: freebsd-net@freebsd.org References: <20140612202349.GA65079@thebighonker.lerctr.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140612202349.GA65079@thebighonker.lerctr.org> User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Score: -3.6 (---) X-LERCTR-Spam-Score: -3.6 (---) X-Spam-Report: SpamScore (-3.6/5.0) ALL_TRUSTED=-1, BAYES_00=-1.9, RP_MATCHES_RCVD=-0.651 X-LERCTR-Spam-Report: SpamScore (-3.6/5.0) ALL_TRUSTED=-1, BAYES_00=-1.9, RP_MATCHES_RCVD=-0.651 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jun 2014 20:40:22 -0000 On Thu, Jun 12, 2014 at 03:23:49PM -0500, Larry Rosenman wrote: > I just started using IPv6 behind my (new to me) Cisco 1841. > > I see lots of: > Jun 12 15:16:25 thebighonker kernel: in6_ifadd: 2001:470:1f0f:3ad:223:7dff:fe9e:6e8a is already configured FreeBSD version: FreeBSD thebighonker.lerctr.org 10.0-STABLE FreeBSD 10.0-STABLE #32 r267121M: Thu Jun 5 13:27:02 CDT 2014 root@thebighonker.lerctr.org:/usr/obj/usr/src/sys/GENERIC amd64 I've also seen the same on -CURRENT behind the same router with similar config. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 108 Turvey Cove, Hutto, TX 78634-5688