The network processing engine maintains and executes the system management functions for the routers. It also shares the system memory and environmental monitoring functions with the I/O controller.NPE-300 Product Overview Technical Information Application/Usage: Wide Area Network Interfaces/Ports Interfaces/Ports Details: 1 x Console Management Management & Protocols Management: SNMP Telnet Miscellaneous Additional Information: RM7000 microprocessor Two independent SDRAM memory arrays Two system controllers that provide processor access to the midplane and single I/O controller PCI buses System Management Functions: Sending and receiving routing protocol updates Managing tables, caches, and buffers Monitoring interface and environmental status Accounting for and switching of data traffic Booting and reloading images Managing port adapters (including recognition and initialization during online insertion and removal) Compatibility: Cisco 7200 VXR Router Cisco 7206VXR Router Cisco uBR7246VXR Universal Broadband Router Warranty Limited Warranty: 90