Introduces Inter-AS L3VPN architecture, covering VPN connectivity across autonomous systems, ASBR and route reflector roles, BGP route and label exchange, and configuration procedures for scalable MPLS VPN services in multi-provider environments.
Inter-AS L3VPN
Explains Inter-AS L3VPN capabilities, including how VPN connectivity is extended across multiple autonomous systems and service provider backbones, the foundational concepts, supported options, and use cases for seamless multi-provider L3VPN deployments.
Configure VPN connectivity with ASBRs exchanging IPv4 routes and MPLS labels
Details procedures for configuring BGP route reflectors to exchange and reflect VPN-IPv4 routes across autonomous systems, preserving next-hop and label information to ensure seamless MPLS VPN operation.
Configure Inter-AS VPN connectivity by defining a static route to an ASBR peer
Outlines steps for establishing Inter-AS VPN connectivity by configuring a static route to an ASBR peer, including CLI procedures for directing traffic toward remote autonomous systems.