When a VM migrates/vMotioned the GENEVE filters are removed, netQ is not re-enabling the disabled TEP filters.

Products

• VMware NSX
• VMware vSphere ESXi 8.0

Issue/Introduction

• After a virtual machine is migrated via vMotion, VM traffic fails to exit the host.
• After Edge vMotion to a ESXi or VM vMotion result in BFD tunnels to go down.
• Troubleshooting the down BFD tunnels revealed that control packets leave the source ESXi host but are never received by the destination ESXi host, causing the tunnels to remain in a down state.

Environment

• VMware ESXi 8.x
• VMware NSX

Cause

The physical NIC is incorrectly dropping packets.

Resolution

This is a known issue in ESXi 8.0 U3. Broadcom Engineering is aware of it and is actively working on a fix, which will be included in an upcoming ESXi release.

If you believe you have encountered this issue, please open a support case with Broadcom Support and refer to this KB article for a workaround.
For more information, see Creating and managing Broadcom support cases.

Additional Information

Troubleshooting NSX TEP/BFD Tunnels between ESXi hosts and Edges