Abr connections require close loop control to limit the transmission rate, depending on the network bandwidth. Now this close loop can be end to end or between intermediate network segments. When terminating an Abr VPL, the endpoint needs to act like a Virtual Destination to the incoming traffic and generate backward RM cells. While doing this it also needs to act as a virtual source and send forward RM cells to the real destination. This is a feature that can be enabled/disabled under the control of this object. When set to true(1), this feature is enabled; and is disabled when set to false(2)