On 10/29/2012 05:30 AM, Stefan Hajnoczi wrote: > On Mon, Oct 29, 2012 at 12:55:43PM +0530, freak 62 wrote: >> Can we run guest o.s. on KVM without enabling NAT and iptables? >> >> The reason to do this is , I wanted to disable conntrack module >> from my system and to disable that I must have to delete iptable and >> NAT. >> >> I am getting the following message, when I start guest o.s. on >> KVM (iptable and NAT disabled): >> >> Error starting domain: internal error 'Network default' is not active. >> >> Is their any way to run guest o.s. with NAT disabled? or Is their >> any way to disable conntrack module and still can use KVM to run guest >> OS ? >> >> I am using Ubuntu 10.04 You can remove the default virsh network like sudo virsh net-destroy default sudo virsh net-undefine default The most common networking setup that doesn't use NAT + iptables is probably bridged networking: http://wiki.libvirt.org/page/Networking#Bridged_networking_.28aka_.22shared_physical_device.22.29 - Cole -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html