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Arista unqualified SFP



All of our X520's don't care if you use Arista or Proline DAC cables (the two brands we have around).


Spencer Ryan | Senior Systems Administrator | sryan at arbor.net<mailto:sryan at arbor.net>
Arbor Networks
+1.734.794.5033 (d) | +1.734.846.2053 (m)
www.arbornetworks.com<http://www.arbornetworks.com/>


________________________________
From: NANOG <nanog-bounces at nanog.org> on behalf of Ryan DiRocco <ryan.dirocco at totalserversolutions.com>
Sent: Thursday, August 18, 2016 9:49:14 AM
To: Mikael Abrahamsson; Mark Tinka
Cc: nanog list
Subject: RE: Arista unqualified SFP

If you are running Intel NIC(s) such as the X520-DA2 with 3rd party optics for something like DWDM, there are driver option flags for linux/windows, etc to permit the use of the optics. In deployments we've used various branded dac cables to connect Intel branded nics to cisco/arista/brocade, without issue.

As with any vendor, there is a work around procedure.

-----Original Message-----
From: NANOG [mailto:nanog-bounces at nanog.org] On Behalf Of Mikael Abrahamsson
Sent: Thursday, August 18, 2016 8:33 AM
To: Mark Tinka
Cc: nanog list
Subject: Re: Arista unqualified SFP

On Thu, 18 Aug 2016, Mark Tinka wrote:

> All other vendors, explicitly or silently, adopt the same approach.

I've heard from people running Intel NICs and HP switches, that this can't be turned off there. You run into very interesting problems when you're trying to use DAC cables between multi vendor.

Any pointers to how to turn this of on Intel NICs and HP switches?

--
Mikael Abrahamsson    email: swmike at swm.pp.se