do_cmd $mydir/ipmicfg.sh -k 255.255.255.0
#do_cmd $mydir/ipmicfg.sh -g 10.133.26.231
do_cmd $mydir/ipmicfg.sh -g 0.0.0.0
-do_cmd $mydir/ipmicfg.sh -fan 3
+fanmode=$($mydir/ipmicfg.sh -fan 2>/dev/null | awk -F: '$2 ~ /Optimal/ {print $1}')
+[ "$fanmode" ] && do_cmd $mydir/ipmicfg.sh -fan $fanmode
[ "$(which ipmitool)" ] && do_cmd ipmitool chassis policy always-on