From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: guest MAC-address isolation Date: Tue, 17 Aug 2010 12:36:41 +0300 Message-ID: <4C6A5829.8070101@redhat.com> References: <30830449.11721281114556681.JavaMail.root@mail> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Robert Rebstock Return-path: Received: from mx1.redhat.com ([209.132.183.28]:46818 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753356Ab0HQJgp (ORCPT ); Tue, 17 Aug 2010 05:36:45 -0400 In-Reply-To: <30830449.11721281114556681.JavaMail.root@mail> Sender: kvm-owner@vger.kernel.org List-ID: On 08/06/2010 08:09 PM, Robert Rebstock wrote: > Hello all, > > can anyone recommend a better way to achive (guest agnostic) MAC-address > isolation in qemu/kvm then with user-mode networking? > > I have multiple guests requiring the same MAC-address, and user-mode/slirp > networking is quite slow. > You can put the different guests on different bridges, and use IP routing to connect the two bridges; or you can use ebtables to mangle the MAC addresses. -- error compiling committee.c: too many arguments to function