Hi Dan, OK, thanks this is something I need to look into.
What would be another way to accomplish this ? Create two networks for these nics and VM ? The issue is that when I add a Nic to a host on 3.2 I need to set an IP. When I don't set it or at least set it to DHCP I get an error that there IP is not set right, I also see this in the logs. Is that part still a bug ? I get the feeling that it's the way at the moment, or almost, that the Nics needs an IP, but why ? For an example this is not needed on ESXi, the Virtual Nic can be bridged to a VM without any settings on the host. Thanks so far. Cheers, Matt 2013/2/10 Dan Kenigsberg <[email protected]> > On Sun, Feb 10, 2013 at 12:19:57PM +0100, Matt . wrote: > > Hi, > > > > For setting up a firewall in a VM I would like to add 2 of my 4 nics > > directly to a VM. > > > > In my previous setup I thought I have done that, but at the moment I > cannot > > figure this out and cannot find the docs to accomplish this. > > > > I would like to dedicate those 2 nics to my firewall VM's to avoid > sharing > > them using a network per accident to other VM's. > > > > How is this be done at the moment ? > > AFAIK it can be done only with a vdsm hook. You'd need to define your VM > with no interface at all, but instead, mark it with a special custom > property you define. Then, you should write a hook that adds the two > host interfaces to the VM, by means of either > http://libvirt.org/formatdomain.html#elementsNICSDirect or > http://libvirt.org/formatdomain.html#elementsNICSHostdev > > Most probably, you would need to pin your firewall VM to a specific > host. > > Writing a hook is not too complex, but it requires understanding of how > vdsm and libvirt works. You can take > http://gerrit.ovirt.org/gitweb?p=vdsm.git;a=tree;f=vdsm_hooks/vmfex as a > reference, or ask for specific guidance here. > > Dan. >
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