Network Connectivity Lost Randomly in the Intel® Server Board S2600STBR

System loses the network connectivity.

1. Update the firmware from 3.31 to 3.51 then to latest version 4.10 (do not skip version 3.51), the link shows these updates:
   • Non-Volatile Memory (NVM) Update Utility for Intel® Ethernet Converged Network Adapter X722 Series for Intel® Server Board S2600ST Version 3.51
   • Non-Volatile Memory (NVM) Update Utility for Intel® Ethernet Converged Network Adapter X722 Series for Intel® Server Board S2600ST Version 4.10 (Latest)
2. See the readme.txt file on each update to get the update instructions.

Optional: If the system is using VMware ESXi*, make sure that NVM Firmware version 4.10 is using the compatible VMware* driver which can be 1.10.6 or higher.

The following link shows this information compatible driver according to VMware* Compatibility Guide:

VMware* ESXi 6.7 native i40en 1.10.6 NIC Driver for Intel® Ethernet Controllers X710, XL710, XXV710, and X722 family: customerconnect.vmware.com/en/downloads/details?downloadGroup=DT-ESXI67-INTEL-I40EN-1106&productId=742 (VMware request logging and password to download this driver)