Symptoms:
- NSX-T version is 3.2 or above.
- You are configuring a transport node(s) to use ENS (Enhanced Networking Stack) with interrupt mode.
- You are using an NVDS (NSX-T Managed Virtual Distributed Switch) for this configuration.
- When the host is configured with ENS Standard mode, the traffic works fine.
- When the host is reconfigured to use ENS Interrupt mode, the traffic fails.
- You are running driver:
nmlx5 async driver 4.21.71.101
- In the vmkernel.log of the host we can see the ENS Interrupt mode was set correctly:
2023-05-16T11:32:00.076Z cpu0:2097509)ENS: 1392: Setting ENS mode to 2 for DvsPortset-0