This object indicates which BONDing mode is used, if any, for a ds0Bundle. Mode0 provides parameter and number exchange with no synchronization. Mode 1 provides parameter and number exchange. Mode 1 also provides synchronization during initialization but does not include inband monitoring. Mode 2 provides all of the above plus inband monitoring. Mode 2 also steals 1/64th of the bandwidth of each channel (thus not supporting n x 56/64 kbit/s data channels for most values of n). Mode 3 provides all of the above, but also provides n x 56/64 kbit/s data channels. Most common implementations of Mode 3 add an extra channel to support the inband monitoring overhead. ModeNone should be used when the interface is not performing bandwidth-on-demand.