CHAPTER 1
QFX3000 QFabric Switch Overview
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QFabric System Overview on page 3
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Understanding the QFabric System Hardware Architecture on page 7
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Understanding QFX3000-G QFabric System Hardware Configurations on page 10
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Understanding the Director Group on page 11
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Understanding Routing Engines in the QFabric System on page 12
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Understanding Interconnect Devices on page 14
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Understanding Node Devices on page 17
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Understanding Node Groups on page 19
QFabric System Overview
The architecture of legacy data centers contrasts significantly with the revolutionary
Juniper Networks data center solution.
This topic covers:
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Legacy Data Center Architecture on page 3
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QFX Series QFabric System Architecture on page 5
Legacy Data Center Architecture
Service providers and companies that support data centers are familiar with legacy
multi-tiered architectures, as seen in Figure 1 on page 4.
3Copyright © 2012, Juniper Networks, Inc.
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