If you currently have the e driver installed and need to install ee, perform the following: This driver supports receive multiqueue on all kernels that support MSI-X. These drivers are only supported as a loadable module. Proper tuning, along with TxIntDelay, may improve traffic throughput in specific network conditions. In kernel versions 2. Intel Corporation Gigabit Network Connection rev 01

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Linux* Base Driver for Intel® Gigabit Ethernet Network Connections

Alternatively, you can use ethtool version 1. This parameter is also affected by the VMDq parameter in that it will limit the queues more.

For questions related to hardware requirements, refer to the documentation supplied with your Intel Gigabit adapter.

corpoartion The range of to interrupts per second works on a majority of systems and is a good starting point, but the optimal value will be platform-specific. We appreciate all feedback, but cannot reply or give product support. Instead, use the Speed and Duplex parameters previously mentioned to force the adapter to the same speed and duplex.

The default behaviour of the driver previously assumed a static InterruptThrottleRate value ofproviding a good fallback value for all traffic types, but lacking in small packet performance and latency. Maybe they’re integrated in the server motherboard, or even cabled to something you don’t expect.


The latest ethtool version is required for this functionality. This is a 3rd party limitation. It is most effective ocrporation an environment with many small transactions.

Otherwise the driver can be loaded once and will be safe, but unloading it will lead to the issue. There are other conditions which may result in “TX Timeout”, which will not be resolved by the use of the TxDescriptorStep parameter. If you are required to use a 2. This reduces interrupt load on the system and can lower CPU utilization under heavy load, but will increase latency as packets are coporation processed as quickly.

Linux* Base Drivers for Intel® Ethernet Network Connection

Verify that the interface works. If the link partner is forced to a specific speed and duplex, then this parameter should not be used. This value represents the size-order of each transmit descriptor.

Sign up using Email and Password. To override the default, use the following compile-time flags. This value delays the generation of transmit interrupts in units of 1. RxDescriptors This value specifies the number of receive buffer descriptors allocated by the driver.

Downloads for Intel® 82576 Gigabit Ethernet Controller

However, only eth2 and eth3 are in fact up and running, hence two ports: Oinux you’ve taken care of that, you can more adequately find the information you need to identify performance issues.


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RPM functionality has only been tested in Red Hat distributions. LLISize causes an immediate interrupt if the board receives a packet smaller than the specified size. On certain non-Intel architectures, it has been infel that intense TX traffic bursts of short packets may result in an improper descriptor writeback.

When this parameter is used, the Speed and Duplex parameters must not be specified.

Linux Driver for Intel® Gigabit Network Connections

When a spoofed packet is detected the PF driver will send the following message to the system log displayed by the “dmesg” command:. If traffic falls in the “Low latency” or “Lowest corporatin class, the InterruptThrottleRate is increased stepwise to This driver is only supported as a loadable module at this time.

This parameter corporahion only useful when interrupt affinity is specified, otherwise some portion of the time the interrupt could run on a different core than the memory is allocated on, causing slower memory access and impacting throughput, CPU, or both.