[CentOS-virt] Disable/stop nic in a virtual guest with virsh

Wed Feb 18 08:10:19 UTC 2015
C. L. Martinez <carlopmart at gmail.com>

On Tue, Feb 17, 2015 at 1:43 PM, Sven Kieske <s.kieske at mittwald.de> wrote:
> On 17/02/15 09:18, C. L. Martinez wrote:
>> Hi all,
>> How can I stop/disable a nic in a virtual guest using a virsh
>> command?? I am searching the same effect like if I unplug network
>> cable ... Is it possible?? I have tried with "detach-interface"
>> command without luck. I don't want to remove the nic from guest
>> configuration, only to stop the nic ...
> Depending on your network architecture you could just ifdown
> the vmnet, but this just works if you don't have multiple
> vms on one vmnet (which you shouldn't).
> --

Ok, to do a ifdown of virtual bridge it seems the only option.

Many thanks to all for your answers.