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_.22shar...
- Cole