Disabling TCP-IPv6 Checksum Offload Capability with Intel® 1/10 GbE Controllers

19174
10/30/2017

Introduction

Disabling TCP-IPv6 Checksum Offload Capability with Intel® 1/10 GbE Controllers

Available Downloads

  • OS Independent
  • Size: 88.4 KB
  • SHA1: 496DC52D7CCE33A652403028BC719B7AF3B93D8E

Detailed Description

Overview

The package DisableTCP-IPv6ChecksumOffload.zip (ZIP file) contains the following:

  • Technical Brief (DisableTCP-IPv6ChecksumOffloadTechBrief_Rev1.0.pdf)
  • Windows* PowerShell* script (DisableChecksumOffload.ps1)

Ensure that you have both items before proceeding.

Purpose

In some situations where a client machine is connected via some specific Optical Network Terminals (ONTs), and data is appended after the packet checksum, the network adapter can drop receive packets when using TCP-IPv6 Checksum Offload for receive traffic.

Products affected

All 1 GbE and 10 GbE Intel® Ethernet controllers and network adapters.

Recommended action

Download the file "DisableTCP-IPv6ChecksumOffload.zip" and follow the instructions in the "DisableTCP-IPv6ChecksumOffloadTechBrief_Rev1.0.pdf".

This download is valid for the product(s) listed below.