Thanks very much Martin! It looks like <guest dev='' /> is available only from 1.2.7 version of libvirt. I am on 1.2.2, so bad luck! Regards, Harish On Mon, Nov 2, 2015 at 9:35 PM, Martin Kletzander <mkletzan@redhat.com> wrote:
On Fri, Oct 30, 2015 at 10:09:51PM +0530, Harish Vishwanath wrote:
Thanks Martin. What I would like to achieve is govern the interface name created within the container, so that my application can take different actions on different interfaces (such as eth0, eth1 etc.,).
<interface> <guest dev='devicename'/> </interface>
That is what you're looking for. Although I usually recommend not relying on the name, but rather using the MAC address.
Also <target dev='othername'/> says how the device will be named on the host.
Libvirt's lxc driver seems to create interfaces as eth0, eth1 and so on,
when there are multiple <interface /> entries in the domain xml. How can I request for a particular interface name?
I saw that in some of the examples in https://libvirt.org/formatdomain.html, <source dev=" " network=" "> is specified. I tried setting the "dev" attribute of source tag, but it doesn't look like that is being parsed and stored either.
Regards, Harish
On Fri, Oct 30, 2015 at 8:32 PM, Martin Kletzander <mkletzan@redhat.com> wrote:
On Fri, Oct 30, 2015 at 08:16:33PM +0530, Harish Vishwanath wrote:
Hello
I am trying to create interfaces within an LXC container with specific name. I am using the following XML:
<interface type='network' name='blah'> <source network='dpbr_n_0'/> </interface>
That name='' is not parsed, it won't get saved, it doesn't mean
anything to libvirt. This particular configuration doesn't say much, because type=network means all the settings will get set from the network dpbr_n_0. See https://libvirt.org/formatdomain.html for all the things you can configure in <interface/> and what does each option mean.
This doesn't seem to work; it always ends up creating interface with name
as "eth0".
I found some examples here:
http://libvirt.org/guide/html/Application_Development_Guide-Network_Interfac...
That uses interface type as "ethernet" and specifies name also, If I do that, I get back an error while starting the container as "Unsupported network type ethernet".
Appreciate your help.
Regards, Harish
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