Overview

Introduction

The Implementing DHCPv6 Server module provides you with the instruction and server hardware to develop your hands on skills in the defined topics. This module includes the following exercises:

  • Configuring DHCPv6 Server

Lab time: It will take approximately 45 minutes to complete this lab.

Exam Objectives

The following exam objectives are covered in this lab:

  • Implement IPv6 addressing in DHCPv6

Exercise 1 - Configuring DHCPv6 Server

An IPv6 address is composed of 8 hexadecimal blocks such as:

fd09:a890:0cd3:de45:0000:0000:0000:0005

The IPv6 address can be incredibly long which can be rewritten by dropping the leading zeroes, to appear as:

fd09:a890:cd3:de45:0:0:0:5

To further simplify the IP address, the zeros can be dropped to come up with a simplified IPv6 address, such as:

fd09:a890:cd3:de45::5

Typically, when a Windows computer is enabled for TCP/IPv6, there is no need to configure a static IP address on the device as an IPv6 address is automatically assigned to the computer’s network interface. A Link Local IPv6 address (similar to IPv4’s Automatic Private IP Address - 169.254.0.x) with a prefix of fe80:: followed by seven hexadecimal blocks is generated by the device and is guaranteed unique in the local subnet.

In some cases, a static IPv6 address may be configured on a device by using Unique Local Address (similar to IPv4 Private IP Address (10.0.0.0, 172.16.0.0, 172.31.0.0, 192.168.0.0) that start with the “fd00” or “fc00” prefix. Both IPv6 address types are useful in local subnet and is not routable to an external network.

DHCPv6 is similar to the DHCPv4 where an IP address pool is configured for distribution to client workstations that use dynamic IP address. An IPv6 exclusion list can likewise be created to prevent the DHCP server from leasing some IPv6 addresses that have been allocated to other network devices.

In this exercise, you will assign a static IPv6 address on the PLABDC01 where DHCP service has been preinstalled. This is in preparation for a later task where you will configure a DHCPv6 server where an IPv6 address exclusion pool will be created.

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