Subscriber Services: Shaping rate & overhead accounting based on access line parameters in PPPoE discovery packets

Enables to configure access line parameters in PPPoE discovery packets to set the shaping rate and overhead accounting attributes on dynamic subscriber interfaces in a broadband access network. This feature is supported on MPC/MIC interfaces on MX Series routers. Upon enabling this feature, the values supplied by the PPPoE vendor-specific tags override the parameters that you have configured for shaping-rate and overhead-accounting statements at the [edit dynamic-profiles profile-name class-of-service traffic-control-profile] hierarchy level.