From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Jackson Subject: Re: 8 NIC limit Date: Tue, 05 Oct 2010 11:43:42 -0500 Message-ID: <4CAB55BE.5090300@theiggy.com> References: <1286290127.19619.1398473465@webmail.messagingengine.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: linux_kvm@proinbox.com Return-path: Received: from theiggy.com ([66.220.1.110]:33213 "EHLO mail.theiggy.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754195Ab0JEQnm (ORCPT ); Tue, 5 Oct 2010 12:43:42 -0400 In-Reply-To: <1286290127.19619.1398473465@webmail.messagingengine.com> Sender: kvm-owner@vger.kernel.org List-ID: On 10/5/2010 9:48 AM, linux_kvm@proinbox.com wrote: > Hello list: > > I'm working on a project that calls for the creation of a firewall in > KVM. > While adding a 20-interface trunk of virtio adapters to bring in a dual > 10GB bond, I've discovered an 8 NIC limit in QEMU. > > I found the following thread in the list archives detailing a similar > problem: > http://kerneltrap.org/mailarchive/linux-kvm/2009/1/29/4848304 > > It includes a patch for the file qemu/net.h to allow 24 NICs: > https://bugs.launchpad.net/ubuntu/+source/qemu-kvm">qemu-kvm/+bug/595873/+attachment/1429544/+files/max_nics.patch > > In my case I want to attach 29, and have simply changed line 8 to 30 > from 24. I'd guess you'll bump into a pci device number limit (I believe it is 32 at the moment). > This will be the first patch I've ever had to do, and so far my internet > search yields results that don't seem to apply. > > Would someone like to recommend a pertinent tutorial? > > Many thanks > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html