Hardware Requirements for PPP Subscriber Services on Non-Ethernet Interfaces
PPP subscriber services are supported for MLPPP bundle interfaces. These services require the following hardware:
MX Series router
Channelized DS3/E3 Enhanced IP PIC (PB-4CHDS3-E3-IQE-BNC) to support MLPPP subscriber access
An Adaptive Services PIC or Multiservices PIC to support subscriber services on LSQ MLPPP bundle interfaces
Subscriber services are not supported for single-link PPP interfaces with this hardware.