From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43834) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1albR7-0007kG-5M for qemu-devel@nongnu.org; Thu, 31 Mar 2016 08:10:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1albR2-0000Vt-38 for qemu-devel@nongnu.org; Thu, 31 Mar 2016 08:10:53 -0400 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:63377) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1albR1-0000Vl-SH for qemu-devel@nongnu.org; Thu, 31 Mar 2016 08:10:48 -0400 Date: Thu, 31 Mar 2016 14:10:46 +0200 From: Samuel Thibault Message-ID: <20160331121046.GU2636@var.bordeaux.inria.fr> References: <1459416020-19011-1-git-send-email-samuel.thibault@ens-lyon.org> <20160331114452.GO2636@var.bordeaux.inria.fr> <20160331115736.GT2636@var.bordeaux.inria.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [PULL 0/5] ipv4-only and ipv6-only support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Vasiliy Tolstov Cc: Peter Maydell , QEMU Developers , "J. Kiszka" Vasiliy Tolstov, on Thu 31 Mar 2016 15:03:31 +0300, wrote: > 2016-03-31 14:57 GMT+03:00 Samuel Thibault : > > I'm surprised that the vm tries to access the network via ipv6 by > > default. Which OS is this? With the default fec0:: prefix, ipv4 > > should be preferred. Latest versions of the patch (which was commited) > > also make qemu send a net unreachable icmpv6 response when ipv6 is not > > available on the host, so that the guest knows without delay that ipv6 > > is not actually available. > > This is debian. I'm use old patch for qemu-2.1.0. Which prefix do you get inside the guest? Which version of Debian the guest is? I'm really surprised that fec0:: gets prefered over an ipv4 address. Samuel