ethtool -N ethX rx-flow-hash udp4 sdfnĬheck the hash configuration of the current NIC. Optimize UDP based on the source IP, destination IP, and the hash queue of port numbers.In this way, the parameter configuration of the driver is still valid upon the server restart. It is still valid upon restart.Īdd options ixgbe RSS=16,16,16,16,16,16 in /etc/nf. Optimize the configuration to the configuration file of the driver.Or ls -1 /sys/devices/*/*/ device_pci_address/msi_irqs Check whether the configuration is successful.rmmod ixgbe /*Uninstall the driver of an earlier version*/ Configure the RSS parameters of the NIC (it is necessary to suspend the network and service).
Suppose a computer is provided with six Intel 82599 10GE ports, see the following for operation steps: The default Intel 82599 NIC driver has 64 queues. However, this may give rise to the distribution of one network to multiple rx queues, leading to the occurrence of cache thrashing in the processing of the application layer. These CPUs process the data package in a parallel manner, greatly improving the network processing capabilities. The data flow of the NIC is distributed to multiple rx queues, which are distributed to multiple CPU cores. The multi-queue load balancing technology of the Receive-Side Scaling (RSS) NIC is used to better take advantage of the multi-core system. Check the driver for successful installation.cd ixgbe-x.x.x/src/ /*Enter the src source code directory*/ Unzip the latest driver installation package which is downloaded.Install the required system software package, using RHEL as an example.The onboard_driver_rhel6.5.iso in the directory is the required iDriver driver image file. Using RHEL 6.5 as an example, enter the rhel6.5directory upon unzipping. Select a driver corresponding to the OS version on the live network from the download link of iDriver drivers: Support > Servers > Server Management Software > FusionServer iDriverĭownload link for the iDriver rhel6.5 driver: FusionServer iDriver-Rhel-Driver-V306.zip Search and download the latest NIC driver.For other NICs, see the related official document. The upgrade steps of NIC drivers, using the Intel® 82599 10GE NIC as an example, are as follows. It is advised to upgrade it to the latest version. The built-in NIC driver of the OS is generally of a low version.
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