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Available settings vary depending on the specific adapter.Įnable jumbo packets only if devices across the network support them and are configured to use the same frame size. The standard Ethernet frame size is 1514 bytes, while Jumbo frames can contain 4088 or 9014 bytes. When large packets make up most traffic and more latency can be tolerated, jumbo packets can reduce CPU utilization and improve wire efficiency. Defaultĭisabled, RX and TX Enabled, RX Enabled, TX EnabledĮnables jumbo packet capability for TCP/IP packets. With offloading disabled, the operating system calculates and verifies the TCP/IP checksum. Enabling this feature can improve TCP/IP performance and reduce CPU utilization.
Intel i210 driver parameters windows#
You can configure IPv4 checksum offload under TCP/IP Offloading Options properties when Intel® PROSet for Windows Device Manager is installed. IPv4 checksum offload enables the adapter to verify the TCP/IP checksum on received packets (RX) and compute checksum on transmitted packets (TX). At low data rates, a lower interrupt moderation setting is preferred as delayed interrupts cause latency. At higher data rates, a high interrupt moderation setting may improve system performance.
Intel i210 driver parameters series#
Interrupt moderation causes the network driver to accumulate interrupts and send one interrupt rather than a series of interrupts.
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Without interrupt moderation, CPU utilization increases at higher data rates because the system must handle a larger number of interrupts. You can configure interrupt moderation rate under Performance Options properties when Intel® PROSet for Windows Device Manager is installed. Choosing a different setting can improve network and system performance in certain configurations. The default setting (Adaptive) adjusts the interrupt rates dynamically depending on traffic type and network usage. Moderation helps optimize network throughput and CPU utilization. Interrupt moderation rate sets the rate at which the controller moderates or delays the generation of interrupts. When you enable interrupt moderation, the interrupt rate is lower, and the result is better system performance. At greater link speeds, it creates more interrupts, and CPU utilization also increases. When a packet arrives, the adapter generates an interrupt that allows the driver to handle the packet. Interrupt moderation allows the adapter to moderate interrupts.
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This splitting action reduces CPU utilization. Header data split enables the adapter to split the header information from an incoming packet so the CPU does not have to process the whole packet. TX Enabled: The adapter generates a flow control frame when its receive queue reaches a predefined limit. RX Enabled: The adapter pauses transmission when it receives a flow control frame from a link partner. RX and TX Enabled: The adapter generates and responds to flow control frames. Noteįor adapters to benefit from this feature, link partners must support flow control frames. It forces the transmitting link partner to stop transmitting before trying to retransmit. If an overload situation occurs, the device generates a flow control frame. The flow control mechanism overcomes this problem and eliminates the risk of lost frames. Frames are discarded until the overload condition passes. You can configure flow control under Performance Options properties when Intel® PROSet for Windows Device Manager is installed.Ī link partner can become overloaded if incoming frames arrive faster than the device can process them.