The desired switching capacity (i.e., bandwidth) of
the switch fabric.
tenGbps(1) - 10 Gigabits/sec
twentyGbps(2) - 20 Gigabits/sec
If the value configured by writing to this object is
supported by the device, it will be applied at the
next reboot. The speed at which the switch fabric is
currently operating is reflected by the value of
ccrSwitchBw.