Question

A service provider runs a Rosen (draft-rosen) MVPN using PIM-based signaling with a default MDT for low-rate customer multicast traffic. A customer application begins streaming a high-bandwidth video group that is only of interest to two of the twelve PE routers participating in the VRF. The SP wants this high-rate stream to be delivered only to the interested PEs rather than flooded to all PEs across the default MDT. Which mechanism achieves this behavior?

Accepted Answer

Configure a data MDT with a bandwidth threshold so the high-rate group is moved to a dedicated data MDT group joined only by interested PEs

Answer

Increase the default MDT group's PIM SPT threshold to infinity so traffic stays on the shared tree

Answer

Enable BGP MDT SAFI so the default MDT prunes uninterested PEs automatically

Answer

Apply an outbound route-target filter on the VRF to restrict which PEs import the multicast source