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Dell Chassis Management Controller Version 1.3 for PowerEdge FX2/FX2s User's Guide

Configuring Management Port 2

The second network port on the CMC can be used for daisy-chaining CMCs together for cable reduction, or as a redundant port for failover networking operation. Management Port 2 may be connected to the top-of-rack (TOR) switch or to another switch. There is no requirement that the two CMC NIC ports be connected to the same subnet.

The CMC cannot be cabled for Management Network Port redundancy prior to actually configuring it for this operation. The CMC must use the standard single network connection for deployment, after which the second redundant connection may be made.
  • NOTE: When Management Port 2 is set for Redundant but is cabled for Stacking, the downstream CMCs (further from the TOR switch) will not have a network link.
  • NOTE: When Management Port 2 is set for Stacking but is cabled for Redundant (two connections to the TOR switch), routing loops could cause a network storm.

To specify Redundant operation, use racadm config –g cfgNetTuning –o cfgNetTuningNicRedundant 1 command.

To specify Stacking operation, use racadm config –g cfgNetTuning –o cfgNetTuningNicRedundant 0 command.

By default, the Management Port 2 is set for Stacking.


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