An example method is provided in one example embodiment and includes receiving an assignment request from a core node in a network to establish a tunnel for user plane traffic; forwarding first parameters to a controller of an enterprise network, wherein the first parameters include a tunnel identifier and a network address associated with the core node; receiving an assignment response; and forwarding second parameters to the core node, wherein the second parameters include a tunnel identifier and a network address associated with the controller. In some instances, the assignment request can be a request to establish a tunnel for user plane data traffic. In some instances, the assignment request can be a request to establish a tunnel for user plane voice traffic.