IBM System x3250 M4 Installation & User Manual

Also see for System x3250 M4: Product guide At-a-glance guide At-a-glance guide Product guide

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IBM System x3250 M4 Installation & User Manual Manual pdf 81 page image

Potential conflicts with the LAN over USB interfaceIn some situations, the IMM2 LAN over USB interface can conflict with certainnetwork configurations, applications, or both. For example, Open MPI attempts touse all of the available network interfaces on a server. Open MPI detects the IMM2LAN over USB interface and attempts to use it to communicate with other systemsin a clustered environment. The LAN over USB interface is an internal interface, sothis interface does not work for external communications with other systems in thecluster.Resolving conflicts with the IMM2 LAN over USB interfaceThere are several actions that resolve LAN over USB conflicts with networkconfigurations and applications:v For conflicts with Open MPI, configure the application so that it does not attemptto use the interface.v Take the interface down (run ifdown under Linux).v Remove the device driver (run rmmod under Linux).Configuring the LAN over USB interface manuallyFor the IMM2 to use the LAN over USB interface, you might have to complete otherconfiguration tasks if the automatic setup fails or if you prefer to set up the LANover USB manually. The firmware update package or Advanced Settings Utilityattempts to perform the setup automatically. For more information about LAN overUSB configuration on different operating systems, see the IBM white paperTransitioning to UEFI and IMM on the IBM website.Installing device driversFor the IMM2 to use the LAN over USB interface, you might have to installoperating-system drivers. If the automatic setup fails or if you prefer to set up theLAN over USB manually, use one of the following procedures. For more informationabout LAN over USB configuration on different operating systems, see the IBMwhite paper Transitioning to UEFI and IMM on the IBM website.Installing the Windows IPMI device driverThe Microsoft IPMI device driver is not installed by default on Microsoft WindowsServer 2003 R2 operating systems. To install the Microsoft IPMI device driver,complete the following steps:1. From the Windows desktop, clickStart → Control Panel → Add or RemovePrograms.2. Click Add/Remove Windows Components.3. From the component list, select Management and Monitoring Tools, and thenclick Details.4. Select Hardware Management.5. Click Next. The installation wizard opens and guides you through theinstallation.Note: The Windows installation CD might be required.Installing the LAN over USB Windows device driverWhen you install Windows, an unknown RNDIS device is shown in the DeviceManager. You must install a Windows INF file that identifies this device and isrequired by Windows operating system to detect and use the LAN over USBfunctionality. The signed version of the INF is included in all of the WindowsChapter 3. Configuring the server 63