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 This is a libvirt question since libvirt sets up the networking configuration. You can try a different network config either using the virt-manager GUI tool or by editing the network XML, which is documented here: http://libvirt.org/formatnetwork.html CCed libvirt mailing list. Stefan -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list