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Planning, Implementing, and Troubleshooting DHCP

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Will Schmied examines the DHCP service and how it is planned for and implemented in a Windows Server 2003 environment.
This chapter is from the book

The Dynamic Host Configuration Protocol (DHCP) is one of those services that has proven itself as a valued solution on TCP/IP networks of all sizes and complexities. With the advent of DHCP, gone are the days administrators previously faced of manually providing and tracking IP addresses for hundreds or thousands (or even hundreds of thousands) of network clients. This chapter examines the DHCP service and how it is planned for and implemented in a Windows Server 2003 environment.

Although no exam objectives are directly addressed in this chapter, we felt the material presented here was still relevant enough to warrant coverage. Additionally, it's not out of the realm of possibilities that you will need to understand the information presented here on test day (and after) as you carry out your day-to-day administrative activities. Please do take the time to read through this chapter, as you stand a good chance of having at least one question on your exam that deals directly or indirectly with the planning, implementation, or troubleshooting of the DHCP service.

Outline

Introduction

157

Understanding DHCP

157

DHCP

158

BOOTP

158

What's New with Windows Server 2003 DHCP

160

Planning for DHCP

161

Planning a DHCP Infrastructure Type

162

Centralized Infrastructures

162

Distributed Infrastructures

162

Mixed Infrastructures

163

Planning a DHCP Server Placement Strategy

163

The DHCP Rules

163

Creating Standby Servers

164

Clustering DHCP Servers

164

Planning for DHCP Reservations

164

Planning for DHCP Options

165

Installing and Implementing DHCP

166

Installing the DHCP Server Service

167

Understanding DHCP Scopes

168

Understanding DHCP Superscopes

169

Understanding Multicasting and Multicast Scopes

169

Creating a DHCP Scope

170

Configuring Scope Properties

175

Authorizing a DHCP Server in Active Directory

180

Configuring DHCP for DNS Integration

181

Configuring and Implementing a DHCP Relay Agent

185

Configuring Security for DHCP

191

Troubleshooting DHCP

192

Troubleshooting DHCP Server Authorization Problems

192

Using the DHCP Logs

197

Troubleshooting DHCP Reservations

199

Troubleshooting the DHCP Relay Agent

200

Chapter Summary

201

Key Terms

201

Apply Your Knowledge

202

Suggested Readings and Resources

213

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