Intel® Ethernet 700/800 Series
Windows Performance Tuning Guide
Speed and Duplex
Check the Speed and Duplex settings to ensure the adapter and switch are running at full duplex.
Set both the Speed and Duplex to either Forced or Auto-Negotiate. Both the adapter and the switch must have the same Speed and Duplex configuration. keepwithnext
- List the current value:
Get-NetAdapterAdvancedProperty -name <Adapter Name> -DisplayName "Speed & Duplex" - Set 100 Gbps Full Duplex:
Set-NetAdapterAdvancedProperty -name <Adapter Name> -DisplayName "Speed & Duplex" -DisplayValue "100 Gbps Full Duplex" - Set 25 Gbps Full Duplex:
Set-NetAdapterAdvancedProperty -name <Adapter Name> -DisplayName "Speed & Duplex" -DisplayValue "25 Gbps Full Duplex" - Set Auto Negotiation (default):
Set-NetAdapterAdvancedProperty -name <Adapter Name> -DisplayName "Speed & Duplex" -DisplayValue "Auto Negotiation"