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Cisco 10000 Series Router Performance Routing Engine Installation
OL-3971-03
Related Documentation
• Managing PRE Redundancy, page 20
• Upgrading Software, page 21
• Managing System Boot Parameters, page 22
• Upgrading from an ESR-PRE or ESR-PRE1 to an ESR-PRE2, page 25
• Managing the Router Using the Network Management Ethernet Port, page 31
• Analyzing and Troubleshooting Packets, page 34
• Obtaining Documentation, page 40
• Documentation Feedback, page 41
• Cisco Product Security Overview, page 42
• Obtaining Technical Assistance, page 43
• Obtaining Additional Publications and Information, page 44
Related Documentation
For more information about the Cisco 10000 series router, see the following documents:
• Technology of Edge Aggregation: Cisco 10000 Series Router—A technical overview of the router.
• Cisco 10008 Router Hardware Installation Guide—Hardware installation guide to use if you install
the PRE in the Cisco 10008 chassis.
• Cisco 10005 Router Hardware Installation Guide—Hardware installation guide to use if you install
the PRE in the Cisco 10005 chassis.
• For other Cisco 10000 series routers documentation, see the Cisco 10000 Series Routers
Documentation Roadmap.
Product Overview
The PRE performs all Layer 2 and Layer 3 packet manipulation related to routing and forwarding
through the Cisco 10000 series ESR. Its advanced application-specific integrated circuit (ASIC)
technology supports very high performance throughput with IP services enabled on each port.
The PRE runs Cisco IOS Release 12.0(S). It contains two PCM/CIA slots, 32 MB of Flash memory, and
a packet buffer of up to 256 MB. It supports up to 512 MB of SDRAM. Two PREs can be configured in
a single chassis for redundancy.
The PRE is implemented on two printed circuit board assemblies:
• Forwarding path (FP) card—Contains the backplane interconnect and the parallel express
forwarding network processor (PXF).
• Route processing (RP) card—Contains the configuration and management route processing engine.
The RP card plugs into the FP card.
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