Description

This document explains how to turn off TCP Offloading that couses intermittent dropped connections, missing traffic in network traces.

Detail Steps

1a. Turn off TCP Chimney if any of the machines are Windows 2003
    Option 1) Bring up a command prompt and execute the following:     Netsh int ip set chimney DISABLED
    Option 2) Apply the Scalable Networking Patch

1b. Confirm that TCP Chimney is turned off if any of the machines are Windows 2008
    a) bring up a command prompt and execute the following:     netsh int tcp show global
    b) if it turns out TCP Chimney is on disable it:     netsh int tcp set global chimney=disabled

2.  Turn of TCP Offloading/Receive Side-Scaling/TCP Large Send Offload at the NIC driver level

3.  Retry your application. 

 

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