NSX non distributed routing with VMware Cloud Director

Introduction While working with NSX Version 3.2.X together with Avi (ALB) and VMware Cloud Director, I encountered an unexpected behavior. Clients were not receiving responses from the configured load balancer VIP, and I was curious as to why. During my investigation using NSX Traceflow, I observed an unusual traffic pattern in the return path to the client. Although the NSX service insertion behaved as expected, I questioned why SNAT (Source Network Address Translation) was also triggered. It is worth noting that the load balancer virtual service is configured to preserve the client’s IP address. ...

February 27, 2024 · 3 min · Benjamin Schmitt