18. Inter-provider MPLS VPN using Back-to-Back VRF (Option A)Website: https://rayka-co.com/lesson/in

18. Inter-provider MPLS VPN using Back-to-Back VRF (Option A)Website: https://rayka-co.com/lesson/inter-provider-mpls-vpn-using-back-to-back-vrf-option-a/Youtube: https://youtu.be/uWmQFShdfEAInter-provider MPLS VPN lets multiple service providers connect their MPLS networks so customers can have one VPN across different carriers. With Back-to-Back VRF (Option A), the simplest inter-provider MPLS VPN method, each provider terminates the VPN on its ASBR, uses a dedicated VRF for the customer, and exchanges plain IP routes (no labels) over a direct interface or sub-interface.