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Lesani
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40Gig CRS326-24S+2Q+ and Intel XL710-MB2

Fri Apr 22, 2022 10:20 am

Hello!

I have an issue with my 40Gig CRS326-24S+2Q+ not wanting to establish a link with my Intel XL710-MB2 using a DAC cable

My QSFP+ ports in mikrotiks interfaces are split in four, I do not know if that is normal
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the ports all shows the module connected
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On the Cards side I am running TrueNAS-SCALE-22.02.0.1, the card is recognized.

I verified the cable working by plugging it directly into both QSFP+ ports on the router, the lamps come on.

I was running an older RouterOS 6.2.x, and upgraded to Routeros 7.2.1 in the hopes of fixing the issue because I have read on other forum and forum posts from 2018 I think that mikrotik was aware of the issue and provided a user with a beta firmware that possibly fixed the issue. That user in the end changed to a different broadcomm network card that worked out of the box.

I have now invested a few hundred Euros into that Intel card, because it is well supported in TrueNAS, and would like to get it to work.
I do not have a different card to test, but googling the many posts stating issues with mikrotik and XL710 I sidelined any hardware issues on my (brand new) card and attest the problem to mikrotik at this time
 
Lesani
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Re: 40Gig CRS326-24S+2Q+ and Intel XL710-MB2

Sat Apr 23, 2022 3:58 am

Please does anyone have any information on XL710 with Mikrotik switches?
 
Lesani
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Re: 40Gig CRS326-24S+2Q+ and Intel XL710-MB2  [SOLVED]

Thu Apr 28, 2022 3:07 pm

Since noone seems to care here about the XL710, I have an update for any other 40g home enthusiasts close to despair...

Get rid of the DAC cable... I got myself an old qsfp+ fibre cable from ebay with intel modules, and that one works with my mikrotik router:
Cable is called "Intel 40Gbit/s QSFP+ 10m 924525 CBL2-1001001-3"

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woland
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Re: 40Gig CRS326-24S+2Q+ and Intel XL710-MB2

Thu Apr 28, 2022 3:11 pm

Since noone seems to care here about the XL710, I have an update for any other 40g home enthusiasts close to despair...

Get rid of the DAC cable... I got myself an old qsfp+ fibre cable from ebay with intel modules, and that one works with my mikrotik router:
Hi,

I guess, there are not so many 40G MT home enthusiasts with an XL710 NIC are present in these forums.... :)
Still thanks for sharing your solution.

W
 
ivicask
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Re: 40Gig CRS326-24S+2Q+ and Intel XL710-MB2

Thu Apr 28, 2022 3:22 pm

Try updating firmware of that intel card and try both ports if its dual port card
https://www.intel.com/content/www/us/en ... eries.html
I had similar issue with x710 10gbe model after updating everything is works fine.

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