The NVIDIA Mellanox MCX542B-ACAN SmartNIC is a high-performance network interface card used in data center applications to offload network processing from the CPU. It connects to the server through a PCIe interface and provides high-speed network connectivity to the applications running on the server. The firmware version 16.27.1016 is the latest available for this device and comes with several new features and improvements.

Features:

• PCIe Gen3 x16 interface
• 100Gb/s network connectivity
• SmartNIC offloads network processing from the CPU
• RDMA over Converged Ethernet (RoCE) support
• Low-latency design for performance-sensitive applications
• Scalable performance for the most demanding workloads
• Hardware-based stateless offload technology

Specifications:

• Manufacturer: NVIDIA
• Model: Mellanox MCX542B-ACAN SmartNIC
• Compatibility: Windows and Linux
• Interface: PCIe Gen3 x16
• Network Speed: 100Gb/s
• Dimensions: 6.6 x 2.7 inches
• Weight: 4.8 ounces

Using technologies:

• RoCE (RDMA over Converged Ethernet)
• DPDK (Data Plane Development Kit)
• VXLAN (Virtual Extensible LAN)
• IPSec (Internet Protocol Security)
• eSwitch

Known Issues:

• After rebooting the server, the SMC (System Management Controller) status may show incorrect values. This does not affect the functionality of the SmartNIC and can be resolved by resetting the SMC status.
• In rare cases, the firmware upgrade process may fail due to a communication error between the SmartNIC and the server. This can be resolved by unplugging and reinserting the SmartNIC.

Troubleshooting:

If you encounter any issues with the NVIDIA Mellanox MCX542B-ACAN SmartNIC, you can try the following troubleshooting steps:

1. Ensure that the SmartNIC is firmly seated in the PCIe slot
2. Verify that the SmartNIC firmware is up to date and reflash if necessary
3. Check that the cables used to connect the SmartNIC to the network are properly plugged in and functioning
4. Adjust the network driver settings to optimize performance
5. Contact NVIDIA technical support for further assistance

Device Driver:

The NVIDIA Mellanox MCX542B-ACAN SmartNIC uses a driver provided by Mellanox Technologies. The latest version of the driver can be downloaded from the Mellanox website.

The driver is available for both Windows and Linux and provides full support for the SmartNIC, including RDMA (Remote Direct Memory Access) functions.

If you have any issues with the driver installation or functionality, contact Mellanox technical support for assistance.