The configurations with mlxconfig are persistent over resets and power cycles.
I use HP connectx-3 pro in a 40Gb/s point to point between 2 linux machines using port 1 and 10Gb/s in port 2 with a CRS309 switch . No issues since fixed at ethernet mode in both machines.
That is a well know "bug". The problem is the VPI protocol trying to select between ethernet and infiniband ...
Solution 01: just fix the protocol from auto to ethernet in the properties of the adapter in windows.
Solution 02: fix the protocol to ethernet using mlxconfig
Example: ( adjust the...
PCIe 3.0 x4 have a little mess than 32Gb/s of bandwidth.
In X570 systems you have a PCIe 4.0 x4 at last slot but the bandwidth is shared with the southbridge including various usb and the 2nd M.2. slot.
I use connectx-3 in a X570 system ( Asrock X570 Creator ) in slot 1 sharing lanes with the...
I have one TL-SG3428X at my homelab.
SFP+ RJ45 transceivers works ok at 10Gb/s but have problems in upload at 5 or 2.5Gb/s. The problem is mainly at the transceivers and the only that works 100% is based on Marvel Aquantia chipset.
I tried various Mellanox DAC and Avago/Finisar AOC cables and...
If it's not a problem fix the card ports at ethernet mode ( not IB not VPI )
Using mlxconfig ( Using mlxconfig - MFT v4.11.0 - NVIDIA Networking Docs )
set LINK_TYPE_P1=2 so the port always will be ethernet not needed to be configured anymore .
The fw is quite old. Maybe you need to update. The...
HP 764285-B21 - works perfectly. Using the last fw from HP website.
Set PHY_TYPE_P1 and PHY_TYPE_P2 to 2 ( XFI mode ).
Set FORCE_MODE_P1 and FORCE_MODE_P2 to 0 unless you will always use a 40Gb/s link.
mlxconfig -d /dev/mst/mt4103_pci_cr0 q...