I really miss meeting my people (MikroTik Nerds)!!! I will be there!

RB 4011 after upgrading to v7.9 does not connect using SFP S+DA0001. It has been tested on other RB4011's, and they all have the same problem. Says right on the product page: Passive DAC (MikroTik S+DA0001/S+DA0003) are not supported. https://mikrotik.com/product/rb4011igs_rm I understand and have ...

RB 4011 after upgrading to v7.9 does not connect using SFP S+DA0001. It has been tested on other RB4011's, and they all have the same problem.

Try v7.10beta5 for see if the problem is already solved on future version...

I already did this test. v7.10beta5 still has the same problem.

RB 4011 after upgrading to v7.9 does not connect using SFP S+DA0001. It has been tested on other RB4011's, and they all have the same problem.

nstreme-plus ? What is it ?

+ 32984920

Nstreme-plus is almost the same Nstreme protocol but with some additional tweaks to get better compatibility with latest ARM based wireless chipset hardware started to release recently.