That was my feeling Moshe, thanks for checking.

Anil, which card and drivers are you using exactly?

You should probably contact your card vendor and check if they have a
fix for the issue, which seems more like a bug on their implementation
of the embedded switch, the card or the driver.

Best regards,
Miguel  Ángel.

On Thu, Aug 11, 2016 at 12:49 PM, Moshe Levi <mosh...@mellanox.com> wrote:
> Hi Anil,
>
>
> I tested it with Mellanox NIC and it working
>
> 16: enp6s0d1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP 
> mode DEFAULT group default qlen 1000
>     link/ether 00:02:c9:e9:c2:12 brd ff:ff:ff:ff:ff:ff
>     vf 0 MAC 00:00:00:00:00:00, vlan 4095, spoof checking off, link-state auto
>     vf 1 MAC 00:00:00:00:00:00, vlan 4095, spoof checking off, link-state auto
>     vf 2 MAC 00:00:00:00:00:00, vlan 4095, spoof checking off, link-state auto
>     vf 3 MAC 00:00:00:00:00:00, vlan 4095, spoof checking off, link-state auto
>     vf 4 MAC 00:00:00:00:00:00, vlan 4095, spoof checking off, link-state auto
>     vf 5 MAC fa:16:3e:0d:8c:a2, vlan 192, spoof checking on, link-state enable
>     vf 6 MAC fa:16:3e:0d:8c:a2, vlan 190, spoof checking on, link-state enable
>     vf 7 MAC 00:00:00:00:00:00, vlan 4095, spoof checking off, link-state auto
>
> I guess the problem is with the SR-IOV NIC/ driver you are using maybe you 
> should contact them
>
>
> -----Original Message-----
> From: Moshe Levi
> Sent: Wednesday, August 10, 2016 5:59 PM
> To: 'Miguel Angel Ajo Pelayo' <majop...@redhat.com>; OpenStack Development 
> Mailing List (not for usage questions) <openstack-dev@lists.openstack.org>
> Cc: Armando M. <arma...@gmail.com>
> Subject: RE: [openstack-dev] [neutron] Neutron Port MAC Address Uniqueness
>
> Miguel,
>
> I talked to our driver architect and according to him this is vendor 
> implementation (according to him this  should work with  Mellanox NIC) I need 
> to verify that this indeed working.
> I will update after I will prepare SR-IOV setup and try it myself.
>
>
> -----Original Message-----
> From: Miguel Angel Ajo Pelayo [mailto:majop...@redhat.com]
> Sent: Wednesday, August 10, 2016 12:04 PM
> To: OpenStack Development Mailing List (not for usage questions) 
> <openstack-dev@lists.openstack.org>
> Cc: Armando M. <arma...@gmail.com>; Moshe Levi <mosh...@mellanox.com>
> Subject: Re: [openstack-dev] [neutron] Neutron Port MAC Address Uniqueness
>
> @moshe, any insight on this?
>
> I guess that'd depend on the nic internal switch implementation and how the 
> switch ARP tables are handled there (per network, or global per switch).
>
> If that's the case for some sr-iov vendors (or all), would it make sense to 
> have a global switch to create globally unique mac addresses (for the same 
> neutron deployment, of course).
>
> On Wed, Aug 10, 2016 at 7:38 AM, huangdenghui <hdh_1...@163.com> wrote:
>> hi Armando
>>     I think this feature causes problem in sriov scenario, since sriov
>> NIC don't support the vf has the same mac,even the port belongs to the
>> different network.
>>
>>
>> 发自网易邮箱手机版
>>
>>
>> On 2016-08-10 04:55 , Armando M. Wrote:
>>
>>
>>
>> On 9 August 2016 at 13:53, Anil Rao <anil....@gigamon.com> wrote:
>>>
>>> Is the MAC address of a Neutron port on a tenant virtual network
>>> globally unique or unique just within that particular tenant network?
>>
>>
>> The latter:
>>
>> https://github.com/openstack/neutron/blob/master/neutron/db/models_v2.
>> py#L139
>>
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Anil
>>>
>>>
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>>
>>
>>
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