Comment 6 for bug 1112912

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Akihiro Motoki (amotoki) wrote : Re: get_firewall_required should use VIF parameter from quantum

During reading nova/virt/libvirt code, I noticed that even if vif_require_securitygroup is passed from Quantum there is nothing
nova libvirt VIF driver can do. We need to configure firewall_driver in nova.conf.
What do you think nova is expected to do when vif_require_securitygroup is passed from Quantum?
IMO, to make this parameter work, we need to change the codes outside vif plugging.

In addition, libvirt nwfilter setup-ed by Nova defines two types of provider rules:
(a) rules to allow DHCP/RA packets and (b) rules to prevent IP/MAC spoofing.
What do you think about the relationship between vif_* parameters and the above nwfilter rules?