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Implementing Cisco Networking Solutions

Implementing Cisco Networking Solutions

By : Harpreet Singh
4.7 (3)
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Implementing Cisco Networking Solutions

Implementing Cisco Networking Solutions

4.7 (3)
By: Harpreet Singh

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.
Table of Contents (12 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
Network Building Essentials
Network Building Essentials
Introduction to networks
The OSI model and the TCP/IP stack
Building a network
Summary
2
Networks for Digital Enterprises
Networks for Digital Enterprises
The impact of technology on business
A digital-ready infrastructure
Facets of a digital infrastructure
Cisco Digital Network Architecture
Summary
3
Components of the Enterprise Network
Components of the Enterprise Network
Networking devices and their functions
Introduction to Cisco IOS
Places in the network
Summary
4
Understanding and Configuring Campus Network Technologies
Understanding and Configuring Campus Network Technologies
Campus network technologies
Campus LAN design considerations
A sample network
Summary
5
Understanding and Configuring Wireless Access Technologies
Understanding and Configuring Wireless Access Technologies
Benefits of wireless networks
Wireless fundamentals
Configuring the WLAN
Summary
6
Understanding and Configuring WAN Technologies
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
7
Understanding and Configuring Data Center Technologies
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
8
Understanding and Configuring Network Security
Understanding and Configuring Network Security
Security landscape
Elements of enterprise security
Securing network infrastructure
Security beyond the network devices
Summary
9
Understanding and Configuring Quality of Service
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
10
A Systematic Approach to Network Management
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
11
Basic Troubleshooting Skills and Techniques
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Basic Troubleshooting Skills and Techniques
A framework for structured troubleshooting
Establishing the normal and detecting deviations
Network troubleshooting commands
Troubleshooting the network
Summary

Basic Troubleshooting Skills and Techniques

"Problem solving is hunting. It is savage pleasure and we are born to it."
–Thomas Harris

We have discussed the various aspects of design and configuration of various parts of the enterprise network. We might have done all the right things to build a robust and resilient network, but the fact of the matter is that problems happen. Devices breakdown, software hits bugs, links and ports fail, and people make configuration errors. Any of these can lead to services being down or degraded, requiring troubleshooting.

In this chapter, we will discuss the following topics:

  • Define a framework for structured troubleshooting
  • Define the techniques used for troubleshooting IP networks
  • Discuss common troubleshooting commands

While it is not possible to cover all types of incidents that can occur in an enterprise IP network in one...

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