other systems in a clustered environment. The LAN over USB interface is an
internal interface, so this interface does not work for external communication with
other systems in the cluster.
Resolving conflicts with the IMM2 LAN over USB interface
Use any of the following actions to resolve LAN over USB conflicts with network
configurations and applications.
About this task
Use one of the following methods to resolve LAN over USB conflicts.
Note: For conflicts with Open MPI, configure the application so that it does not
attempt to use this interface.
v Take down the interface (run ifdown under Linux).
v Remove the device driver (run rmmod under Linux).
v Disable the LAN over USB interface from the CMM web interface.
To disable the LAN over USB interface from the Chassis Management Module
web interface, complete the following steps.
1. Log in to the CMM web interface.
2. From the CMM web interface homepage click Chassis Management >
Compute Nodes.
3. Click the compute node ID.
4. Click the General tab.
5. Uncheck Enable Ethernet Over USB to disable the LAN over USB interface.
50 IBM Flex System x440 Compute Node Types 7917 and 2584: Installation and Service Guide
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