Should TCP Checksum Offloading(TCO) be enabled on VMWare guest systems using RHEL?

Solution Verified - Updated -

Issue

  • Should TCP Checksum Offloading be enabled on the VMware host and guests?
  • Should TCO be disabled on the VMware host and guests, thereby allowing the OS to do it?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • VMware Network module/driver vmxnet3
  • VMware ESXi hypervisor

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