To allow service providers to simplify their IP/Multiprotocol Label Switching (MPLS) networks while supercharging them for the delivery of profitable, value-added services, Cisco Systems offers the innovative Cisco 12000 Series Four-Port OC-48c/STM-16c Dynamic Packet Transport (DPT) Line Card. Powered by the high-performance Cisco 12000 Series Enhanced Services 10 Gbps forwarding engine, this card packs OC-48c/STM-16c density with a rich feature set and line-rate performance for all Cisco 12400 Internet Routers. This card enables simple, scalable, and reliable Resilient Packet Ring (RPR) networking with all the rich features at line-rate necessary to operate a high-performance 10 Gbps network.