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Depending on the processor core license on your system, the system BIOS displays the maximum
number of cores per processor on your system. For instance, if you have a license for an 8-core
processor configuration, the system BIOS displays the maximum cores per processor as 8.
Networking configurations
The LAN On Motherboard (LOM) network provides Ethernet connectivity from the I/O modules on the
FX2 enclosure to the sleds in the enclosure. The network traffic from the nodes in an FM120x4 sled to the
I/O modules on the FX2 enclosure is routed through a network switch that is embedded on the sled
system board. Each FM120x4 sled in the enclosure maps to two ports on each I/O module. For more
information, see the Dell PowerEdge FX2 and FX2s Enclosure Owner's Manual at Dell.com/
poweredgemanuals.
There are four networking configurations supported on the FM120x4 system. You can select the network
configuration from the CMC web interface. All FM120x4 sleds in the FX2 enclosure have the same
network configuration. For more information on the networking configurations supported on your
system, see Dell.com/poweredgemanuals.
Standard configuration
In this configuration, the uplink ports from the embedded network switch on a sled and the four uplink
ports on the enclosure I/O modules to which the sled maps are configured in a single trunk group or Link
Aggregation (LAG). The ports on the external switches to which the enclosure I/O modules connect must
be configured into a single trunk configuration or LAG. Alternatively, spanning tree must be run on the
external rack switches to disable three of the four uplink ports.
Figure 5. Standard configuration
Table 5. Standard configuration icon description
Icon Description
Network path
Single trunk configuration or LAG
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