What to know when offloading checksum

VMware takes advantage of many of the performance features from modern network adaptors.

In this section we are going to talk about two of them and those are:

  • TCP checksum offload
  • TCP segmentation offload

Getting ready

To step through this recipe, you will need a running ESXi Server and a SSH Client (Putty). No other prerequisites are required.

How to do it...

The list of network adapter features that are enabled on your NIC can be found in the file /etc/vmware/esx.conf on your ESXi Server. Look for the lines that start with /net/vswitch.

However, do not change the default NIC's driver settings unless you have a valid reason to do so. A good practice is to follow any configuration recommendations that are specified ...

Get vSphere High Performance Cookbook now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.