This more question to mellanox then to neutron community.
I suggest that you will send me private mail regarding this issue and we can
take it with the relevant people in Mellanox.
My email is mosh...@mellanox.com.
> -Original Message-
> From: Massimo Benini [mailto:ben...@cscs.ch]
> Sent: Tuesday, November 14, 2017 11:39 AM
> To: openstack-dev@lists.openstack.org
> Subject: [openstack-dev] [Neutron] Infiniband & Melanox OFED 4.2 eIPoIB
> support
>
> Dear Neutron developers,
>
> we are building up an OpenStack (Pike) cluster based on CentOS 7.4 and
> Mellanox Ofed 4.2.
> As far as we understand Neutron rely on eIPoIB in order to manage
> Infiniband networks but unfortunately Mellanox dropped this feature for the
> new OFED versions.
> Here below the Mellanox support answer about that:
>
> "Please note that as of Mellanox OFED 4.0 eIPoIB is no longer supported in
> Mellanox OFED.If you wish to use it we recommend using the 3.4.X Drivers
> which still supported this feature."
>
> Obviously we can not use the 3.X version of OFED because is not supported
> by RHEL 7.4 and also because we don't want to stick with an old software
> version.
> Do you have any plan to overcome this issue?
>
> Thank you, regards
>
> Massimo Benini
>
>
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