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Draft-Rosen 7 Multicast VPN Control Plane
The control plane of a draft-rosen MVPN with service provider tunnels operating in SSM mode must be configured to support autodiscovery.
After the PE routers are discovered, PIM is notified of the multicast source and group addresses. PIM binds the (S,G) state to the multicast tunnel (mt) interface and sends a join message for that group.
Autodiscovery for a draft-rosen MVPN with service provider tunnels operating in SSM mode uses some of the facilities of the BGP-based MVPN control plane software module. Therefore, the BGP-based MVPN control plane must be enabled. The BGP-based MVPN control plane can be enabled for autodiscovery only.
