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Layer 2 VPNs

Cisco IOS Multiprotocol Label Switching (MPLS) Layer 2 VPNs consolidate Layer 2 traffic such as Ethernet, Frame Relay, asynchronous transfer mode (ATM), High Level Data Link Control (HDLC), and Point-to-Point Protocol (PPP) over an IP/MPLS network. This support, especially for traditional Frame Relay and ATM networks, enables service providers to protect their investments by continuing to provide existing data and voice services while introducing new services and architectures. Service providers also benefit from cost savings in converging services and new service revenues from new, innovative IP services over the newly converged IP/MPLS network.

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