On Sun, Sep 25, 2016 at 11:17 AM, Troels Arvin <troels(a)arvin.dk> wrote:
I would like to minimize the risk of virtual servers harming each
other.
As part of this, I would like to prevent them from changing their IP
address to something different from what they are expected to have. In
other words, I would like to prevent IP address spoofing in the guests.
And I want to be able to do this without having to assign a different VLAN
to each guest.
Setup: RHEV 3.6 with RH7-based RHEV-H hypervisor hosts.
Using virsh -r dumpxml <guest name> on a host, I can see that the guests
have the "vdsm-no-mac-spoofing" network filter active for the virtual
network interface.
But what if I want the "clean-traffic" filter to be active for the
guests, as well (or instead): Is there a way to accomplish that in the
RHEV-M/oVirt management interface? If so: Where's the option(s) to be
found in the management interface? Can it be done globally, i.e. as a
default when guests are started?
In 4.0 you can set this in the vnic profile (per network).
With 3.6, you will need to create a hook to do it.
See
https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/macspoof to get
an idea how you could do it.
--
Regards,
Troels Arvin
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