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LAN Design

Chapter Description

In this sample chapter from Scaling Networks v6 Companion Guide, learn strategies that can be used to systematically design a highly functional network, such as the hierarchical network design model and appropriate device selections.

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Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

mission-critical services

enterprise network

network operations center (NOC)

hierarchical design model

access layer

distribution layer

core layer

collapsed core design

multilayer switch

Redundant links

link aggregation


Spanning Tree Protocol (STP)

failure domain

wireless access point (AP)

building switch block

departmental switch block


port channel interface

load balancing

Open Shortest Path First (OSPF)

Enhanced Interior Gateway Routing Protocol (EIGRP)

link-state routing protocol

single-area OSPF

multiarea OSPF

distance vector routing protocol

form factor

Power over Ethernet (PoE)

campus LAN switch

cloud-managed switch

data center switch

service provider switch

virtual networking switch

fixed configuration

modular configuration

stackable configuration

rack unit

supervisor engine

port density

small form-factor pluggable (SFP)

forwarding rates

wire speed

application-specific integrated circuits (ASIC)

branch router

network edge router

service provider router

Cisco Internetwork Operating System (IOS)

IOS image

out-of-band management

in-band management



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