MPLS is an emerging and high-performance technology that allows the transport of packets by switching them based on special packet “labels” that are inserted between Layer 2 and Layer 3 information. This mechanism allows for a much faster forwarding process than the traditional Layer 3 forwarding process. The most important application that runs over MPLS is the MPLS VPN technology.
General Considerations for MPLS
The MPLS approach leverages the intelligence of the IP routing infrastructure and the efficiency of Cisco Express Forwarding (CEF). MPLS functions by appending a label to any type of packet. Packet forwarding through the . . .
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