Hi Nishant,
Following Salvatore suggestion, I think the best is to consider using ML2 
plugin to make several backend technologies available in your setup.
If you are looking to deploy Mellanox solution aside with other technology, 
there is Mellanox ML2 Mechanism Driver that currently under review for Icehouse 
release: https://review.openstack.org/#/c/72854/.

BR,
Irena

From: Salvatore Orlando [mailto:sorla...@nicira.com]
Sent: Monday, February 17, 2014 11:02 AM
To: nishant kumar
Cc: Open Stack List
Subject: Re: [Openstack] Are multiple neutron plugins on a server supported?

Hi Nishant,

unfortunately Neutron at the moment supports only a single plugin for each 
service. This means you can only specify a single core_plugin.
If your goal is to support multiple backend technologies in your deployment, 
you should perhaps have a look at the ML2 where deployment of multiple drivers 
should be possible.

Salvatore

On 17 February 2014 08:53, nishant kumar 
<nishantkumar...@yahoo.com<mailto:nishantkumar...@yahoo.com>> wrote:
Hi All,
While setting up a neutron plugin (like ovswitch, mellanox etc), we need to 
specify plugin name in /etc/neutron/neutron.conf (on the neutron server node) 
as follows:

core_plugin = neutron.plugins.mlnx.mlnx_plugin.MellanoxEswitchPlugin
My query is:
Is there a way to specify and use multiple plugins at the same time?

Background:
I would like to use two plugins at same time to make use of exclusive features 
in NIC cards from 2 vendors. Both cards will be installed on same compute node.


Thanks,
Nishant

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