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Implementing Cisco Networking Solutions

By : Harpreet Singh

4.7 (3)

Buy this Book

Implementing Cisco Networking Solutions

4.7 (3)

By: Harpreet Singh

Buy this Book

Overview of this book

Most enterprises use Cisco networking equipment to design and implement their networks. However, some networks outperform networks in other enterprises in terms of performance and meeting new business demands, because they were designed with a visionary approach. The book starts by describing the various stages in the network lifecycle and covers the plan, build, and operate phases. It covers topics that will help network engineers capture requirements, choose the right technology, design and implement the network, and finally manage and operate the network. It divides the overall network into its constituents depending upon functionality, and describe the technologies used and the design considerations for each functional area. The areas covered include the campus wired network, wireless access network, WAN choices, datacenter technologies, and security technologies. It also discusses the need to identify business-critical applications on the network, and how to prioritize these applications by deploying QoS on the network. Each topic provides the technology choices, and the scenario, involved in choosing each technology, and provides configuration guidelines for configuring and implementing solutions in enterprise networks.

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Network Building Essentials

Introduction to networks

The OSI model and the TCP/IP stack

Building a network

Summary

Networks for Digital Enterprises

The impact of technology on business

A digital-ready infrastructure

Facets of a digital infrastructure

Cisco Digital Network Architecture

Summary

Components of the Enterprise Network

Networking devices and their functions

Introduction to Cisco IOS

Places in the network

Summary

Understanding and Configuring Campus Network Technologies

Campus network technologies

Campus LAN design considerations

A sample network

Summary

Understanding and Configuring Wireless Access Technologies

Benefits of wireless networks

Wireless fundamentals

Configuring the WLAN

Summary

Understanding and Configuring WAN Technologies

Considerations for a WAN design

WAN technology choices

Virtual private networks

Connecting to the internet

Encrypting and securing the WAN

Optimizing the WAN

Summary

Understanding and Configuring Data Center Technologies

Functions of a data center

Evolution of the DC

Design of a DC

Designing a sample DC

Providing remote access to the DC

Summary

Understanding and Configuring Network Security

Security landscape

Elements of enterprise security

Securing network infrastructure

Security beyond the network devices

Summary

Understanding and Configuring Quality of Service

The need for QoS

Network impact on traffic

QoS models

QoS tools

QoS design for an enterprise

QoS in a hybrid model with service provider WAN

Summary

A Systematic Approach to Network Management

Frameworks related to network management

Network management planning

Network operations systems components

Cisco Prime Infrastructure

Implementing the network management strategy

Summary

Basic Troubleshooting Skills and Techniques

A framework for structured troubleshooting

Establishing the normal and detecting deviations

Network troubleshooting commands

Troubleshooting the network

Summary

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Troubleshooting the network

Troubleshooting an IP network becomes easier if one follows the networking basics and follows the traffic flow. Troubleshooting typically starts from the user to the application. A methodical approach would help the engineer get to the issue faster. The steps, in this case, are shown as follows:

Is user able to connect to the network?
Is the user able to get an IP address through DHCP?
Is the user able to reach the first layer 3 hop?
Is the user able to reach the application server?
Is the user experiencing performance issues?

We will follow the preceding approach and discuss the troubleshooting steps in the following sections. We have taken the command output from the Cisco command reference manuals for most show outputs in the following sections. The engineer can refer to the IOS command references for more commands and the options and detailed...