Oracle Audio Technologies SunDual 10GbE XFP manual Configuring the nxge Device Driver Parameters

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▼To Obtain Higher Throughput Using the Generic Tunables for the Solaris TCP/IP Stack

●To obtain higher throughput, add the following to a startup script:

ndd -set /dev/tcp tcp_conn_req_max_q 8192 ndd -set /dev/tcp tcp_conn_req_max_q0 8192 ndd -set /dev/tcp tcp_max_buf 4194304

ndd -set /dev/tcp tcp_cwnd_max 2097152 ndd -set /dev/tcp tcp_recv_hiwat 400000 ndd -set /dev/tcp tcp_xmit_hiwat 400000

Chapter 5 Configuring the nxge Device Driver Parameters

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Contents Sun Dual 10GbE XFP PCI Express Card Please Recycle Contents Configuring the nxge Device Driver Parameters Network ConfigurationConfiguring VLANs Configuring the Jumbo Frames FeatureConfiguring Link Aggregation Index SpecificationsDiagnostic Software Using Unix Commands Using This DocumentationShell Prompts Documentation Feedback Related DocumentationDocumentation, Support, and Training Sun Dual 10GbE XFP PCI Express Card User’s Guide May Product Description Product OverviewComponents 1shows the adapter Hardware and Software RequirementsFeatures EMC Declaration of ConformityDate Sun Dual 10GbE XFP PCI Express Card User’s Guide May To Download the Driver on a Solaris Platform Installing and Setting Up the DriverUnpack the tar file Uncompress the gzipped tar fileFor Sparc systems, change to the following directory For x86 systemsVerify that the nxge driver is installed on the system Select the packages you want to installTo discover the driver packages run the pkginfo command To remove the driver packages run the pkgrm command# ifconfig -a grep eth Downloading and Installing the Driver on a Linux PlatformLogin to your system # modprobe nxge # rpm -e nxge-1.0-1 To Remove the Driver From a Linux Platform# ethtool -i eth4 driver nxge version Installing the Adapter Installing the AdapterTo Install the Adapter Installing the Adapter Sun Dual 10GbE XFP PCI Express Card User’s Guide May Install the optical transceivers Installing an Optical TransceiverTo Install an Optical Transceiver Installing the Adapter To Verify the Hardware Installation Verifying the Hardware InstallationConnect the Ethernet cables Ok show-netsOk .properties Ok cd /pci@7c0/pci@0/pci@8/network@0,1Ok device-end Rebooting the SystemOk boot -r Configuring the Network Host Files Network Configuration# grep nxge /etc/pathtoinst # ifconfig nxge0 plumb ip-addressup# cat /etc/hosts Export/root/client-name To Set Up a 10-Gigabit Ethernet Port on a Diskless ClientEdit the hosts file in the diskless client’s root directory Network Configuration Find the root directory of the client system # grep client-name /etc/bootparamsOk boot /pci@7c0/pci@0/pci@8/network@0 Proceed with the Solaris Operating System installationShut down and halt the client system # shutdown -i0 -g0 -y# dladm show-dev To Boot Over the Network on Solaris x86 and Linux SystemsRefer the boot-device-order image Image pxe-mac-addr Press the F12 key to install the OS from the networkNxge Hardware and Software Overview Configuring the nxge Device Driver ParametersNoninteractive and Interactive Modes Setting nxge Driver Parameters on a Solaris PlatformSetting Parameters Using the ndd Utility To modify a parameter value, use the -setoption To Specify Parameter Values Using the ndd UtilityTo Specify Device Instances for the ndd Utility Man prtconf Setting Parameters Using the nxge.conf File# ndd /dev/nxge1 name to get/set ? Following parameters can be set using To Set Driver Parameters Using an nxge.conf FileLocate the path names and the associated instance numbers Set the parameters for the nxge devicesSun Dual 10GbE XFP PCI Express Card User’s Guide May Configuring the nxge Device Driver Parameters Class-opt-ipv4-tcp = 100 class-opt-ipv4-udp = Reboot the system Tuning for Maximum Performance on a Solaris Platform# reboot -r Save the nxge.conf fileSet ddimsixalloclimit=1 To Improve Performance on an AMD CPU Based Sun PlatformSet ipipsqueuefanout=1 set ipsqueuesoftring=1 Configuring the nxge Device Driver Parameters To Set Parameters Using the ethtool Utility Setting Parameters on a Linux PlatformConfiguring the nxge Device Driver Parameters Following are some common parameters that can be changed # ethtool -k eth4 # ethtool -C eth4 rx-usecs # ethtool -c eth4# /usr/local/bin/nxgeconfig eth4 get classoptipv4udp # /usr/local/bin/nxgeconfig eth4 get# /usr/local/bin/nxgeconfig eth4 set classoptipv4tcp 0xfe0 Tuning for Maximum Performance on a Linux PlatformNet.ipv4.tcpsack = Net.core.netdevmaxbacklog =# sysctl -p /etc/sysctlnxge.conf Set up the sysctl utilityJumbo Frames Overview Configuring the Jumbo Frames FeatureChecking Jumbo Frames Configurations # kstat Nxge38001 To Show the Driver Statistics in a Solaris Environment# kstat nxge1 grep rdcpackets Set the maximum MTU for maximum performance To Check Layer 2 ConfigurationEnabling Jumbo Frames in a Solaris Environment To Enable Jumbo Frames in a Linux Environment To Check Layer 3 ConfigurationEnsure that the nxge software is installed Enabling Jumbo Frames in a Linux EnvironmentTo Show the Driver Statistics in a Linux Environment # ifconfig eth4Sun Dual 10GbE XFP PCI Express Card User’s Guide May Overview of Link Aggregation Configuring Link AggregationTo Configure Link Aggregation in a Solaris Environment Configuring Link Aggregation in a Solaris Environment# ifconfig aggr33 plumb Use the dladm show-aggr-scommand to display statistics# ifconfig aggr33 192.168.1.1/24 broadcast + up # dladm show-aggr -sTo Configure Bonding for Multiple nxge Interfaces Configuring Link Aggregation in a Linux EnvironmentConfigure bond0 interface Load the bonding driverOverview of VLANs Configuring VLANs1shows an example network that uses VLANs Configuring VLANs in a Solaris Environment To Configure Static VLANs To Configure VLANs in a Linux Environment Configuring VLANs in a Linux Environment# ifconfig -a Ensure that the nxge module is loaded# /sbin/vconfig add eth2 Configure the nxge Vlan eth2 in this example# ifconfig eth2.5 xxx.xxx.xx.xxx up Insert the Vlan moduleConnectors SpecificationsTable A-1XFP Connector Characteristics Performance SpecificationsPower Requirements Physical CharacteristicsSun Dual 10GbE XFP PCI Express Card User’s Guide May SunVTS Diagnostic Software Diagnostic SoftwareUpdating SunVTS to Recognize the Adapter To Update SunVTS to Recognize the AdapterTo Use the netlbtest Using the SunVTS netlbtestSun Dual 10GbE XFP PCI Express Card User’s Guide May Index SymbolsSun Dual 10GbE XFP PCI Express Card User’s Guide May