The switch has an IB switch chip that is networking switch 1. By default, this switch is brought online whenever the switch is powered on.
-> show -d properties /System/Networking/Switches/Switch_1 /System/Networking/Switches/Switch_1 Properties: health = OK health_details = - type = Infiniband firmware_version = 1.0.860 location = IBSWITCH0 (Network Switch 0) action = (none) ->