Arista unqualified SFP

Ryan Gelobter ryan.g at atwgpc.net
Tue Aug 23 14:58:36 UTC 2016


Instead of patching the python what happens if you just run 'no errdisable
recovery cause xcvr-unsupported'

On Thu, Aug 18, 2016 at 5:24 AM, Stanislaw <me at nek0.net> wrote:

> Hi all,
> If somebody is following my epic adventure of getting uqualified SFP to
> work on Aristas, here is the unhappy end of it.
>
> I've written to Arista support and got the following dialogue:
> Support guy:
> Hi,
> Thank you for contacting Arista Support. My name is **** and I'll be
> assisting you on this case.
> Could you please provide the "show version" output from this switch?
>
> Me:
> Hi,
> Here it is:
> <show version output here>
>
> Support guy:
> Hi,
> Thank you for the information.
> Unfortunately, we are unable to activate your 3rd party components. To
> ensure ongoing quality, Arista devices are designed to support only
> properly qualified transceivers.
> Please let me know if you have any other questions.
>
> Me:
> I do not understand,
> But there is a command which allows using non-Arista transceivers. Why
> have you implemented it but don't provide an access key to your customers
> when they ask for it?
> If it is required to sign some papers which declare that I am aware of all
> the risks and losing my warranty - I agree with that, lets do it. Any way
> what are the conditions to receive that access key?
>
> Support guy:
> I'm afraid that there is nothing I'm able to do regarding this situation.
> If you have any other questions regarding enabling 3rd party options in
> Arista switches, I suggest to contact your local account team (or sales)
> for further discussion on this matter.
>
>
> Next, i've tried inserting various QSFP+ DAC cables I have - none of them
> has been even detected on the switch, it was acting like nothing has been
> inserted. I guess that even if I get the key, most of my transceivers/DAC
> (which work like a champ in Juniper or Extreme switches) cables wouldnt
> work.
>
> I'm writing this post to make somebody who considers buying their switches
> be aware of what they'd get. Just buy Juniper instead.
>
>
>
> Stanislaw wrote at 2016-08-17 23:25:
>
>> Hi Tim,
>>
>> Thanks for your expressive answer. Will try it :)
>>
>> Tim Jackson писал 2016-08-17 22:57:
>>
>> I'd suggest bitching and moaning at your account team & support until
>>> they give you the key to unlock them..
>>>
>>> --
>>> Tim
>>>
>>> On Wed, Aug 17, 2016 at 2:50 PM, Stanislaw <me at nek0.net> wrote:
>>>
>>> Hi all,
>>>> Is there a way for unlocking off-brand transceivers usage on Arista
>>>> switches?
>>>>
>>>> I've got an Arista 7050QX switch with 4.14 EOS version. Then it has
>>>> been found out that Arista switches seem to not have possibility to unlock
>>>> off-brand xcievers usage (by some service command or so).
>>>>
>>>> I've patched /usr/lib/python2.7/site-packages/XcvrAgent.py, made the
>>>> checking function bypass the actual check and it helped: ports are not in
>>>> errdisable state anymore. But despite of xceivers are detected correctly,
>>>> links aren't coming up (they are in notconnect state).
>>>>
>>>> If anyone possibly have does have a sacred knowledge of bringing
>>>> off-branded transceivers to life on Arista switches, your help'd be very
>>>> appreciated. Thanks.
>>>>
>>>



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