SGI®10-Gigabit Ethernet PCI ExpressNetwork Adapter User’s Guide007–4983–002

ContentsVerifying that the Adapter is Properly Configured and Enabled ... 9Resetting the Adapter . . . ... 10Changing the Configura

FiguresFigure 2-1 Fiber Optic Connections . . . ... 6007–4983–002 xi

TablesTable 1-1 10-Gbit Cable Standards . . . ... 3Table 3-1 Faceplate LEDs . ... 8007–4983–002 xiii

About this GuideThis guide describes the SGI 10-Gigabit (Gbit) Ethernet PCI Express network adapter.It requires one of the following SGI ProPack for L

About this GuideScope of this GuideThis guide is written to facilitate installation of the adapter and does not coverdetailed points of network configu

SGI®10-Gigabit Ethernet PCI Express Network Adapter User’s Guide• Standard Linux man pages that are useful for any Ethernet device:ethtool(8)ifconfig(

About this Guide[ ] Brackets enclose optional portions of a command ordirective line... Ellipses indicate that a preceding element can berepeated.Pro

Chapter 1Features and CapabilitiesThis chapter discusses the following:• "SGI Systems Supported" on page 1• "Key Features" on page

COPYRIGHT© 2007 SGI. All rights reserved; provided portions may be copyright in third parties, as indicated elsewhere herein. No permission isgranted

1: Features and CapabilitiesNote: SGI does not support dual-protocol or 10–Gigabit Myrinet.• Wire-speed performance.• Firmware-controlled offload engin

SGI®10-Gigabit Ethernet PCI Express Network Adapter User’s Guidefrom 400-MHz * km to 2000-MHz * km, depending on its length, as shown in Table1-1.Tabl

Chapter 2Connecting the Adapter to a NetworkTo install the SGI 10-Gbit Ethernet PCI Express network adapter, refer to theinstructions for installing a

2: Connecting the Adapter to a NetworkFiber-opticconnector Figure 2-1 Fiber Optic ConnectionsFor information about configuring the interfaces, see The

Chapter 3Operating the AdapterThis chapter describes various issues that may occur when using the SGI 10-GbitEthernet PCI Express network adapter in a

3: Operating the AdapterTable 3-1Faceplate LEDsLabel Color MeaningSYellow Controlled by the adapter’s firmwareLGreen Link connectivityRGreen Receive (R

SGI®10-Gigabit Ethernet PCI Express Network Adapter User’s GuideEnabling the AdapterTo enable the adapter, enter the following:[root@linux root]# ifco

3: Operating the AdapterResetting the AdapterIn the unlikely event that you need to reset the adapter, enter the following, where Nis the adapter numb

SGI®10-Gigabit Ethernet PCI Express Network Adapter User’s Guide2. To change the MTU size of the 10-Gbit Ethernet adapter, enter the following,where N

AttentionCet appareil numérique n’émet pas de perturbations radioélectriques dépassant les normes applicables aux appareils numériques deClasse A prés

Chapter 4Performance TuningThe default settings have been carefully chosen to maximize throughput for the SGI10-Gigabit (Gbit) Ethernet PCI Express ne

4: Performance Tuningsizes were chosen to be compatible with those recommended by the cardmanufacturer and required by SGI’s software. To set the netw

GlossaryEthernetA communication network used to connect computers.gigabit (Gbit)A communication rate of 10^9 bits per second.hostAny system connected

Glossaryman (manual) pageAn online document that describes how to use a particular command. Also calledreference page.multiclient configurationA TCP/IP

Index10GBASE-SR, 51000-Base-SX, 3Aadapter enabling, 9adapter resetting, 10Altix systems, 1Altix XE systems, 1Ccabling, 2configuration changes, 10configu

IndexOoperating, 7Pperformance tuning, 13ports, 3/proc/net/dev, 8Rread/write size, 13receive (RX) traffic, 8recv calls, 13resetting the adapter, 10S/sb

New Features in this GuideThis revision includes additional SGI performance tuning recommendations. SeeChapter 4, "Performance Tuning" on pa

Record of RevisionVersion Description001 April 2007Original publication002 October 2007Revision007–4983–002 vii

ContentsAbout this Guide ...... xvAudience . . ....... xvImportant Information . . . ...... xvScope of th