The DSL Terminator 100 high-performance Layer-3 device terminates PVC or PPP sessions originating from a DSL CPE unit and transported via a DSLAM (DSL Access Multiplexor). It gives service providers and carriers a cost-effective method of aggregating and terminating high numbers of virtual circuits. The DSL Terminator 100 also features integrated Layer-3 capabilities and subscriber management functions that enable service providers to perform routing, authentication, billing and service selection capabilities. It is primarily targeted at service providers for cost-effective circuit termination and service management but can also be used by carriers and transport providers for circuit termination and wholesaling services.