Inter-AS Option B is supported for Rosen MVPN PIM SSM using BGP MDT SAFI, PIM RPF Vector and BGP Connector attribute. The Figure: Inter-AS Option B default MDT setup depict set-up of a default MDT:
Figure: Inter-AS Option B default MDT setup
SR OS inter-AS Option B is designed to be standard compliant based on the following RFCs:
- RFC 5384
- The Protocol Independent Multicast (PIM) Join Attribute Format
- RFC 5496
- The Reverse Path Forwarding (RPF) Vector TLV
- RFC 6513
- Multicast in MPLS/BGP IP VPNs
The SR OS implementation was designed also to interoperate with older routers Inter-AS implementations that do not comply with the RFC 5384 and RFC 5496.