Rev 1.0
Driver Software and Firmware 
4 Driver Software and Firmware
4.1Driver Software
4.1.1Linux
For Linux, download and install the latest OpenFabrics Enterprise Distribution (OFED) software package available via the Mellanox web site at: http://www.mellanox.com => Products => Soft- ware/Drivers => Infiniband & VPI Software/Drivers => Mellanox OFED => Download. Follow the installation instructions included in the download package (also available from the download page). To ensure that communication has been established follow the instructions below.
Check the link status
To check the IB link status, for IB cards, run “ibstat” and focus on the Physical state attributes. Example:
> Host# ibstat
LCA 'mlx4_0'
CA type: MT4099
Number of ports: 2
Firmware version: 2.10.2000
Hardware version: 0
Node GUID: 0x0002c903002fefe0
System image GUID: 0x0002c903002fefe3
Port 1:
State: Active
Physical state: LinkUp
Rate: 56
Base lid: 4
LMC: 0
SM lid: 12
Capability mask: 0x02514868
Port GUID: 0x0002c903002fefe1
Link layer: InfiniBand
Port 2:
State: Active
Physical state: LinkUp
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