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Re: Intel 10G NIC problems

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On Tue, 06 Sep 2011 17:56:19 +0000, Rick Jones wrote:

> General Schvantzkoph <schvantzkoph@yahoo.com> wrote:
>> This isn't probably isn't a Linux question, it's really a hardware
>> issue but please answer anyway.
> 
>> I have a couple of Intel E10G42BTDA Dual SFP+ 10G NICs in a pair of
>> Scientific Linux 6.1 systems. They work fine when I connect them
>> together with passive copper cables but they don't get signal detect
>> when I connect them with fiber. I'm using Finisar transceivers with 2M
>> fiber LC-LC cables. I've been able to reliably send data through the
>> fiber cables from an FPGA card that I'm working on so I know the cables
>> are OK. I've tried reversing the cable connections and that doesn't
>> help.
> 
>> Is there something that has to be configured to make them work with
>> fiber?
> 
> Are you certain that your Finisar transceivers are 10GbE transceivers
> and not Fibre Channel transceivers?  What does dmesg say about NIC
> initialization - you might dmesg | grep <driver> and dmesg | grep
> <interface> and see what they say.
> 
> You might also hunt around to see if there is an Intel NIC support email
> address.
> 
> rick jones

I found a page on Intel's site where they say that their NICs only work 
with Intel transceivers, and I've received an e-mail from them to that 
effect. I wonder what the hell they did that made there adapters 
incompatible with a standard SFP+ transceiver?

http://www.intel.com/support/network/adapter/pro100/sb/CS-030612.htm

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Thread

Intel 10G NIC problems General Schvantzkoph <schvantzkoph@yahoo.com> - 2011-09-02 22:22 +0000
  Re: Intel 10G NIC problems Rick Jones <rick.jones2@hp.com> - 2011-09-06 17:56 +0000
    Re: Intel 10G NIC problems General Schvantzkoph <schvantzkoph@yahoo.com> - 2011-09-06 21:28 +0000
      Re: Intel 10G NIC problems Rick Jones <rick.jones2@hp.com> - 2011-09-07 17:24 +0000
      Re: Intel 10G NIC problems David Schwartz <davids@webmaster.com> - 2011-09-08 17:38 -0700
        Re: Intel 10G NIC problems General Schvantzkoph <schvantzkoph@yahoo.com> - 2011-09-12 00:37 +0000

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