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Cisco 6400 Software Setup Guide
OL-1183-04
Chapter1 Product Overview
Cisco 6400 System
Figure1-2 Simple Schematic of Cisco 6400 Internal and External Connectivity
Node Switch Processor
The Cisco 6400 NSP provides ATM switching functionality. The NSP uses permanent virtual circuits
(PVCs) or permanent virtual paths (PVP) to direct ATM cells between the NRP and ATM interface. The
NSP also controls and monitors the Cisco 6400 system, including component NLCs and NRPs.
Node Route Processor
The Cisco 6400 supports three node route processors, designated as NRP-1, NRP-2, and NRP-2SV (see
Table1-1 for major differences):
• NRP-1—Incorporates a 100-Mbps Fast Ethernet interface for connecting into an IP network and has
processing capability for OC-3 rate of user traffic.
• NRP-2 and NRP-2SV —Provides a Gigabit Ethernet interface and sufficient processing capability
for handling OC-12 rate of user traffic.
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