VTEP and VDR Port are bound to a single member of a LAG

Products

• VMware NSX

Issue/Introduction

On the network screen of esxtop:

• VTEP vmkernel is bound to only 1 member of the LAG.
• VDR Port is bound to only 1 member of the LAG.
• In the packet capturing, only the vmnic the VTEP bound to transmits the packets. Other LAG members does not transmit any traffic.
• The VTEP and VDR Port may mismatch and L3 connectivity between VXLANs may be impact.

Environment

VMware NSX Data Center for vSphere

Resolution

To resolve this issue:

Perform a force sync of VXLAN and Routing services.

Put the hosts in the maintenance mode and reboot to have the vdrPort's recreated with the correct teaming policy.