[191112] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: Arista unqualified SFP

daemon@ATHENA.MIT.EDU (Mike Hammett)
Thu Aug 18 13:45:07 2016

X-Original-To: nanog@nanog.org
Date: Thu, 18 Aug 2016 07:55:23 -0500 (CDT)
From: Mike Hammett <nanog@ics-il.net>
Cc: NANOG Mailing List <nanog@nanog.org>
In-Reply-To: <bae6fa6e22a60c76f279d8baec224c08@nuclearcat.com>
Errors-To: nanog-bounces@nanog.org

https://sourceforge.net/p/e1000/mailman/message/28698959/ 

That or similar doesn't work for that model? 




----- 
Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

The Brothers WISP 

----- Original Message -----

From: "Denys Fedoryshchenko" <denys@visp.net.lb> 
To: "Mike Hammett" <nanog@ics-il.net> 
Cc: "NANOG Mailing List" <nanog@nanog.org> 
Sent: Thursday, August 18, 2016 7:51:13 AM 
Subject: Re: Arista unqualified SFP 

Not a case with Intel X*710 new chipset, check is in firmware. 
Someone hacked it, but ... 

On 2016-08-18 15:41, Mike Hammett wrote: 
> Intel does allow DAC of any vendor (assuming they properly identify as 
> DACs. You can also disable Intel's check in the Linux drivers. 
> 
> 
> 
> 
> ----- 
> Mike Hammett 
> Intelligent Computing Solutions 
> 
> Midwest Internet Exchange 
> 
> The Brothers WISP 
> 
> ----- Original Message ----- 
> 
> From: "Mikael Abrahamsson" <swmike@swm.pp.se> 
> To: "Mark Tinka" <mark.tinka@seacom.mu> 
> Cc: "nanog list" <nanog@nanog.org> 
> Sent: Thursday, August 18, 2016 7:32:55 AM 
> 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? 


home help back first fref pref prev next nref lref last post