Examine whether hardware TSO is enabled in the VMkernel when you estimate the networking performance on a host that runs latency-sensitive workloads. By default, hardware TSO is enabled on an ESXi host.

1

In the vSphere Web Client, navigate to the host.

2

On the Manage tab, click Settings.

3

Expand the System section and click Advanced System Settings.

4

Examine the value of the Net.UseHwTSO and Net.UseHwTSO6 parameters.

Net.UseHwTSO shows the TSO state for IPv4, and Net.UseHwTSO6 for IPv6. TSO is enabled if the property is set to 1.