Converting a standalone switch in the regular switch
architecture to a switch in the virtual switch
architecture. Or converting a switch in the virtual
switch architecture to a standalone switch in the regular
switch architecture. And the value of this object can
only be set to one of mode where the corresponding bits in
cvsSwitchCapability is set.
To prevent vague switch status, this action will not only
change the switch mode, but also reload the device
automatically to activate to the new switch mode.