21. Speed & Duplex
| Recommended Setting | 1.0 Gbps Full Duplex |
| Effect on Throughput | positive |
| Effect on CPU Utilisation | negative |
This has got to be the biggest throughput improvement of all. Assuming all of you networking hardware supports 1.0 Gigabits per second this will increase your throughput from 12.5Mb/s (on 100Gbps connection) to an impressive 125Mb/s. These max values are theoretical. On my network, the max throughput I was able to achieve was 114Mb/s on a single cable.
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22. System Idle Power Saver
| Recommended Setting | disabled |
| Effect on Throughput | negative |
| Effect on CPU Utilisation | negative |
Anything power-saving related is going to negatively affect performance.
23. TCP Checksum Offload (IPv4) and TCP Checksum Offload (IPv6)
| Recommended Setting | Rc & Tx Enabled |
| Effect on Throughput | none |
| Effect on CPU Utilisation | positive |
It’s always a good idea to offload calculations to hardware whenever possible. Hardware is super fast.
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24. Transmit Buffers
| Recommended Setting | 128 |
| Effect on Throughput | Unknown to me |
| Effect on CPU Utilisation | Unknown to me |
25. UDP Checksum Offload (IPv4) and UDP Checksum Offload (IPv6)
| Recommended Setting | Rc & Tx Enabled |
| Effect on Throughput | Unknown to me |
| Effect on CPU Utilisation | Unknown to me |
26. Wait For Link
| Recommended Setting | Auto Detect |
| Effect on Throughput | none |
| Effect on CPU Utilisation | none |
27. Wake Settings and 28. Wake on Link Settings
These settings are really up to you. If you want to wake your computer using magic packets then enable these settings.
Wake computer on incoming connection.
29. Wake on Magic Packet
Wake computer on incoming magic packet.
30. Wake on Pattern Match
Wake computer on pattern match.
Conclusion
In this post, we covered 30 network adapter settings, their effect on network data throughput and CPU utilisation.
