I don't see any attachment. Though in my experience it's not the SFP+ modules themselves, it's the QVR that is not genuine that's the issue. For 3rd party transceivers you can just issue a command to allow them. I use FS.com 10G SR/LR SFP+ adapters w...

That is correct. What I was referring to in my prior message is that the 3rd party adapters like the ones from fs.com don't emulate the right device. internally they try to emulate the breakout cable adapter QSFP-4SFP10G-CU1M and just assign the SFP ...

The QSFP to 4x SFP+ Adapter itself is the issue. The QSFP port expansion card in the switch doesn’t support this breakout adapter. The only adapter that works is the Cisco one I listed. It doesn’t support the breakout style interface which has sub mo...

Ali,  I'll share with you what I know. The N9K 93128tx which is the models I have are very specific on their support for the module. First you have to configure the speed group command only on the first port in the group that sets the speed for all t...