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6-3
Network Processing Engine and Network Services Engine Installation and Configuration
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Chapter 6 NPE-G2 Overview
NPE-G2 Description and Overview
Bandwidth Requirements
The Gigabit Ethernet ports on the NPE-G2 do not use bandwidth points, nor does the Fast Ethernet
management port. When used with any I/O controller, the Ethernet ports, Fast Ethernet ports, or Gigabit
Ethernet ports on the I/O controller also do not use bandwidth points.
Components
Figure 6-1 illustrates the NPE-G2 and its major components.
Figure 6-1 NPE-G2
The NPE-G2 consists of the following components:
• Motorola Freescale 7448 processor
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Microprocessor operates at an internal clock speed of 1.67 GHz.
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Hardware logic to interconnect the processor, double data rate synchronous dynamic
random-access memory (DDR-SDRAM), lightning data transport (LDT) bus, the generic PCI
bus, and three direct-interface Gigabit Ethernet interfaces.
1 Midplane connectors 6 Flash memory (U13)
2 Boot ROM (U24) 7 DIMM (socket—S1)
3 NVRAM (on bottom of board—U17) 8 Temperature sensor (inlet—U23)
4 Temperature sensor (outlet—U20) 9 Processor (U30)
5 Flash memory (U19) 10 Keying post
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