The customer multicast network is running PIM SSM. The MVPN is using BGP A-D to distribute C-multicast routes. Which BGP route does a PE send to the core when it receives a PIM (S,G) Join from its CE?
A) S-PMSI A-D route
B) Source Active A-D route
C) Shared Tree Join A-D route
D) Source Tree Join A-D route

Question

Quizplus · Accepted Answer

When a PE receives a PIM (S,G) Join from its CE, it sends a Source Tree Join A-D route to the core. This route is used to signal the specific source and group information in the MVPN context.

The Customer Multicast Network Is Running PIM SSM