Mellaonx 100G NIC 설치

# lspci | grep -i mel
82:00.0 Infiniband controller: Mellanox Technologies MT27800 Family [ConnectX-5]
82:00.1 Infiniband controller: Mellanox Technologies MT27800 Family [ConnectX-5]

wget http://www.mellanox.com/downloads/ofed/MLNX_EN-4.6-1.0.1.1/mlnx-en-4.6-1.0.1.1-rhel7.5-x86_64.tgz
tar zxvf mlnx-*.tgz
cd mlnx-*/
sudo -s
./install

sudo yum install rpm-build
wget http://www.mellanox.com/downloads/MFT/mft-4.12.0-105-x86_64-rpm.tgz
tar zxvf mft*.tgz
cd mft*
sudo -s
./install.sh

# sudo mlxconfig -d /dev/mst/mt4119_pciconf0 set LINK_TYPE_P1=2 LINK_TYPE_P2=2

Device #1:
----------

Device type:    ConnectX5       
Name:           MCX556A-ECA_Ax  
Description:    ConnectX-5 VPI adapter card; EDR IB (100Gb/s) and 100GbE; dual-port QSFP28; PCIe3.0 x16; tall bracket; ROHS R6
Device:         /dev/mst/mt4119_pciconf0

Configurations:                              Next Boot       New
         LINK_TYPE_P1                        IB(1)           ETH(2)          
         LINK_TYPE_P2                        IB(1)           ETH(2)          

 Apply new Configuration? (y/n) [n] : y
Applying... Done!
-I- Please reboot machine to load new configurations.

# lspci | grep -i mel
82:00.0 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5]
82:00.1 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5]

# ifconfig ...
# ethtool ...