Notes
How to switch BMC port setting with IPMI on SuperMicro server on Debian
$ sudo -s
# apt install ipmitool
# modprobe ipmi_devintf
# modprobe ipmi_si
# modprobe ipmi_msghandler
# ipmitool raw 0x30 0x70 0x0c 1 0
# exit
Other commands:
ipmitool raw 0x30 0x70 0x0c 0 # read active mode
ipmitool raw 0x30 0x70 0x0c 1 0 # set to dedicated
ipmitool raw 0x30 0x70 0x0c 1 1 # set to shared
ipmitool raw 0x30 0x70 0x0c 1 2 # set to failover