INTEL 82546GB LINUX DRIVER
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There are no workarounds for this problem in this network configuration. This example applies to the Red Hat distributions; other distributions may store this setting in a different location.
Intel® 82546GB Gigabit Ethernet Controller
We refer to these processors as boxed processors. This parameter is a bit mask that specifies which speed and duplex settings the board advertises. Depending on the available system resources, the request for a higher number of receive descriptors may be denied. Setting TxDescriptorStep to a value of 4 will ensure that all TX descriptors are aligned to the start of a system memory cache line, and so this problem will not occur.
EEE saves energy by putting the device into a low-power state when the link is idle, but only when the link partner also supports EEE and after the feature has been enabled during link negotiation.
This default mode is suitable for most applications. Please work with your appropriate Intel representative to obtain a formal price quotation.
As this value decreases one may want to consider increasing the TxDescriptors value to maintain the same amount of frame memory. Increasing this value adds extra latency to frame reception and can end up decreasing the throughput of TCP traffic.
Your personal information will be used to respond to this inquiry only. This value coincides with the maximum Jumbo Frames size of bytes. This has a possible negative performance impact, which may be compensated for by allocating more descriptors using the TxDescriptors 8256gb parameter. Can be either one or two-directional.
Otherwise the driver can be loaded once and will be safe, but unloading it will lead to the issue. If the bytes 82546b second rate is approximately equal, the interrupt rate will drop as low as interrupts per second.
The algorithm classifies the incoming traffic every interval into classes.
As the issue addressed by this parameter has never been observed on Intel Architecture platforms, it should not be used on Intel platforms. This value coincides with the maximum Jumbo Frames size of Each descriptor is 16 bytes.
Downloads for Intel® GB Gigabit Ethernet Controller
The configuration change can be made permanent by adding the line:. If the driver is built as a module, the following optional parameters are used by entering them on the command line with the modprobe command using this syntax:.
If the system is reporting dropped receives, this value may be set too high, causing the driver to run kntel of available receive descriptors. Ports 1 and 2 don't show any errors and will pass traffic. 8254g6b
Downloads for Intel® 82546GB Gigabit Ethernet Controller
This script will verify that the adapter is applicable to the fix and if the fix is needed or not. Furthermore it supports TCP segmentation offload TSO on all adapters but those based on theand controller chips. We recommend the newer 2. Proper tuning, along with TxIntDelay, may improve traffic throughput in specific network conditions. Some Intel gigabit adapters that support Jumbo Frames have a frame size limit of bytes, with a corresponding MTU size limit of bytes.
RxDescriptors This value specifies the number of receive buffer descriptors allocated by the driver. Receive interrupt reduction can improve CPU efficiency if properly tuned for specific network traffic. The configuration change can be made permanent by adding the line: In this case, use a lower number.
The igbvf driver supports based virtual lnux devices that can only be activated on kernels that support SR-IOV.
In simplified mode the interrupt rate is based on the ratio of tx and rx traffic.
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