[CentOS-virt] Discover what vnet is attached to a kvm guest


carlopmart at gmail.com
Fri May 13 13:47:38 UTC 2011

On 05/13/2011 01:32 PM, Emmanuel Noobadmin wrote:
> On 5/13/11, carlopmart<carlopmart at gmail.com>  wrote:
>> Hi all,
>>    How can I see what vnet is attached to a certain kvm guest?? For
>> example: I have a kvmguest1. When I launch this guest with virsh
>> command, virsh creates a new vnetX interface for this guest. How can I
>> extract this virtual net interface (vnet0, vnet1, vnet2 or so on) using
>> a script??
> If I'm not mistaken, this is automatically assigned. However, you
> could define this in the domain XML using the target tag within the
> interface container, e.g. using the libvirt example
> <interface type='network'>
>        <source network='default'/>
>        <target dev='vnet7'/>
>        <mac address="00:11:22:33:44:55"/>
>      </interface>
>> From there, I suppose you could extract the information from the
> relevant xml with your script.

Thanks Emmanuel.

CL Martinez
carlopmart {at} gmail {d0t} com

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