ESXI hosts randomly go into disconnected state on NSX-T UI

Products

• VMware vDefend Firewall

Issue/Introduction

• The NSX-T version 3.2.1.2 and VCF version 4.5 
• Production environment gets degraded/disrupted.
• The version 3.2.1.2 of NSX-T is a VCF-based installed version. "Several hosts initially prepared for NSX and working fine, can experiencing connectivity issues, resulting in a "Disconnected" state or degraded state, with the Controller showing a down status.
• Rebooting the affected hosts temporarily resolves the issue, but after a few hours, they revert back to the "Disconnected" state."

 

Environment

VMware NSX-T Data Center

Resolution

This is a known issue affecting VMware NSX-T Data Center.

 

If you believe you have encountered this issue, please open a support case with Broadcom Support and refer to this KB article.

For more information, see Creating and managing Broadcom support cases.

 

Workaround:

 

Disable logging for DFW rules.

Additional Information