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This part overviews possible Systems and OS configuration options for general user to achieve best
performance in common LANs with common traffic.
Preinstalled Systems
The technical information which follows this part (and after) is targeted new installed clean systems.
Typically, on a system that meets our recommended minimum hardware requirements and freshly installed
OS, full throughput performance is expected.
However, systems which have been used and include some hardware and software changes may
experience lower than the maximum network throughput. In this section we will provide some examples,
places to check and tips which may help improving performances in such cases.
Check if the currently installed hardware is ,meeting our "Recommended Hardware"
Verify that latest BIOS version is loaded and "Optimized Defaults" are used
Make sure the memory DIMMs are of the recommended speed and populated correctly
It may be that your Motherboard supports faster memories. Using faster memories may improve
performance
High CPU usage may degrade traffic performance
Check if the specific cores which are used by the NIC for traffic processing also used by other
processes
D-Link Networks' Driver includes CPU load balancing mechanism with optional configurations.
System admin may change the CPU working cores which are assigned to the NIC to allow higher
throughput
User should check if any other Network applications were installed, which could have degrade
throughput, such as:
Wireshark or other network analysis tools
Remote Access software tools
Check if TCP stack was previously changed from original code or configuration
Some old DLLs may influence OS behavior
Some other NICs with Full Offload support may have changed the default TCP stack behavior
Firewall and Antivirus influence
Firewalls and Antiviruses check different layers of traffic in real time, therefore it is known that they
may degrade performance
Please consult with your Firewall/Antivirus provider for best throughput configuration
Optimized Performance Tuning
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