Disable TOE and RSS


These technologies are great if your environment support them end to end, but if not you may see some of the following issues.

Symptoms include

  • Sporadic Network issues.
  • Service failing (Because of network login issues)
  • Delay in service start (Because of network login issues)
  • Unexplained issues that Seem to be network related but other areas have already been investigated

 

Resolution: To keep it as simple and reliable as possible

  1. Update to latest drivers
  2. Disable Everything that says offload or scaling in the NIC properties
  3. Disable it for the OS as well

2008      

  • netsh interface tcp set global rss=disabled
  • netsh interface tcp set global chimney=disabled
  • netsh interface tcp set global autotuninglevel=disabled

2003

  • Netsh int ip set chimney disabled
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