The Mellanox MCX4111A-XCAT is a SmartNIC (Network Interface Card) designed for high-performance computing and cloud environments. The firmware version 14.28.1300 comes with various improvements and bug fixes.

Features

• 25Gb/s Ethernet
• RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE)
• Mellanox ConnectX-4 Lx Ethernet controller
• Hardware-based I/O virtualization
• Direct application offloads
• Hardware-based stateless offloads
• Programmable packet processing
• Support for VXLAN, NVGRE, and GENEVE overlays

Specifications

• Interface: PCIe 3.0 x8
• Data transfer rate: Up to 25Gbps
• Supported operating systems: Windows, Linux, and VMware ESX/ESXi
• Power consumption: Max 11.5W
• Dimensions (WxDxH): 111.5 x 16.75 x 167.6 mm

Technologies Used

• PCIe 3.0
• Programmable packet processing
• RDMA over Converged Ethernet (RoCE)
• Mellanox ConnectX-4 Lx Ethernet Controller

Known Issues

There are no known issues reported for this device with the firmware version 14.28.1300.

Troubleshooting

• Update to the latest firmware and drivers
• Check for any conflicts with other devices or software installed on the system
• Verify that the device is properly installed and configured in the system BIOS
• Try disabling and re-enabling the device in Windows Device Manager or Linux network configuration

Driver

The Mellanox MCX4111A-XCAT SmartNIC is supported by various operating systems, including:

• Windows Server 2016/2019, Windows 10/11
• Linux distributions with Kernel 3.2+
• VMware ESXi

For Windows, the driver can be downloaded from the Mellanox website or through Windows Update. For Linux, the drivers are included in the kernel. For VMware ESX/ESXi, the driver can be downloaded from the Mellanox website.