MFT

apt install proxmox-headers-$(uname -r)

wget https://www.mellanox.com/downloads/MFT/mft-4.30.1-113-x86_64-deb.tgz
tar -xzvf mft-4.30.1-113-x86_64-deb.tgz
cd mft-4.30.1-113-x86_64-deb
./install.sh

mst start

mst status

mlxconfig -d /dev/mst/mtxxxx_pciconf0 set LINK_TYPE_P1=2 LINK_TYPE_P2=2