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Intel Configuration
• On each Intel NIC in Device Manager disable the following:
o Offload Receive IP Checksum
o Offload Receive TCP Checksum
o Offload TCP Segmentation
o Offload Transmit IP Checksum
o Offload Transmit TCP Checksum
o IPV4 Checksum Offload
o Large Send Offload v2 (IPV4)
o Large Send Offload v2 (IPV6)
o Receive-Side Scaling
o TCP Checksum Offload (IPV4)
o TCP Checksum Offload (IPV6)
o UDP Checksum Offload (IPV4)
o UDP Checksum Offload (IPV6)
Receive-Side Scaling State (RSS) - Disable
Get-NetOffloadGlobalSetting (view global setting) Get-NetAdapterRss -Name * (use cmdlet to view RSS capable Network Adapters) netsh int tcp show global
Enable-NetAdapterRss -Name * (use this to enable RSS for all adapters that support it) Disable-NetAdapterRss -Name * (use this to disables RSS for all adapters) Set-NetOffloadGlobalSetting -ReceiveSideScaling Disabled (alternate global command for all adapters) netsh int tcp set global rss=disable
TCP Chimney Offload - Disable
Set-NetOffloadGlobalSetting -Chimney Disabled (recommended: disabled*)
Ref: https://www.speedguide.net/articles/windows-1011-tcpip-tweaks-5077
https://support.docuware.com/en-us/knowledgebase/article/KBA-35306