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It was a configuration issue. I was able to resolve it.

From: Srivastava, Abhishek
Sent: Wednesday, June 18, 2014 1:39 PM
To: openstack-dev at lists.openstack.org
Subject: [openstack-dev] Neutron ML2 plugin is failing to configure vif on the instances when two mechanism drivers for different hypervisors are configured in the ml2_conf.ini

Hi,

I am trying out Icehouse on ubuntu 14.04. My controller has got two computes attached: one hyperv and other KVM. Hyperv runs hyperv_neutron agent as L2 and kvm runs OVS.

ML2 plugin's conf.ini gives you the option to provide both hyperv and openvswitch separated by comma as the mechanism driver on the controller node, but it seems that only one of them takes into effect at a time. i.e. when the configuration is like this: 'mechanism_drivers = hyperv, openvswitch' only hyperv nova instances gets the port attached to the vnic and while kvm instances fail while when the configuration is like this: 'mechanism_drivers = openvswitch, hyperv' only KVM nova instances gets the port attached to the vnic and while hyperv instances doesn't get the network adapter configured.

Please help me resolve this issue.

Thanks in advance.

Regards,
Abhishek

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