- BGP well suited to carry the traffic of hundreds of thousands of routes.
- It is flexible & extended policies to be implemented.
- So it is used well in MPLS VPN.
- In MP BGP 4 address families will be supported.
- IPv4
- IPv6
- VPNv4
- VPNv6
- Remaining are unicast, multicast & VRF
- BGP Extended Community: RT
- It tells to the PE routers if the route imported into a VRF add at least one RT to that IPv4 route