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Cisco MGX 8850 Multiservice Switch Installation and Configuration
Release 1.1.31, Part Number 78-11223-03 Rev. B0, May 2005
Chapter 2 Module and Service Descriptions
Frame Relay Service Modules
Route Processor Module
The Route Processor Module (RPM) is a Cisco 7200 series router redesigned into a double-height card
to fit in a MGX 8850 chassis. The RPM front card provides a Cisco IOS network processing engine
(NPE-150), capable of processing up to 120 K packets per second (pps). The front card also provides
ATM connectivity to the MGX 8850 internal cell bus at full-duplex OC-3c from the module.
Initially, three types of single-height back card types will be supported: four-port Ethernet, one-port
(FDDI), and one-port Fast Ethernet. Each module can support two of these back cards.
The RPM enables high quality, scalable IP+ATM integration using multiprotocol label switching
(MPLS) technology.
RPM Documentation
Installation, configuration and support for RPM services are not included in this manual. For more
information on the RPM, refer to the following Cisco Systems publications:
• For information on availability and support of the MGX-RPM-128/B and MGX-RPM-PR, refer to
the Release Notes for “Cisco WAN MGX 8850, MGX 8230, and MGX 8250 Software”
• For configuration information on the Route Processor Module (RPM), refer to the Cisco MGX Route
Processor Module Installation and Configuration Guide.