Networking and Operating Systems

Network+,  Lesson 6.4: DHCP Relay and Troubleshooting  – TestOut

Exam Objectives Covered: 

  • 3.4 Given a scenario, implement IPv4 and IPv6 network services. 
  • 5.3 Given a scenario, troubleshoot common issues with network services.  

Links:

Overview:

Automatic addressing is a critical service for most types of networks. Where a SOHO network might have a single DHCP server for a single subnet, enterprises must support multiple subnets. This lesson will help you to implement and troubleshoot DHCP services in complex network environments. 

Text Lessons:

  • 6.4.2 DHCP Issues  

Text and Video Lessons:

  • 6.4.1 DHCP Relay and IP Helper (7:16 minutes) 
  • 6.4.3 Troubleshooting DHCP Exhaustion Demo (3:54 minutes) 

Lab/Activity:

  • 6.4.4 Lab: Configure a DHCP Relay Agent 
  • 6.4.5 Lab: Add a DHCP Server on Another Subnet 
  • 6.4.6 Lab: Troubleshoot Address Pool Exhaustion 
  • 6.4.7 Lab: Explore DHCP Troubleshooting 
  • 6.4.8 Lab: Troubleshoot IP Configuration 1 
  • 6.4.9 Lab: Troubleshoot IP Configuration 2 
  • 6.4.10 Lab: Troubleshoot IP Configuration 3  

Quiz/Assessment:

  • 6.4.11 Lesson Review (5 questions) 

Topics Discussed:

  • What is the purpose of a DHCP relay agent? 
  • What is the purpose of an IP helper? How does it differ from a DHCP relay agent? 
  • What issues arise when using DHCP services, and how can they be resolved? 

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Lesson 6.4: DHCP Relay and Troubleshooting and complete the 6.4.4 Lab: Configure a DHCP Relay Agent, 6.4.5 Lab: Add a DHCP Server on Another Subnet, 6.4.6 Lab: Troubleshoot Address Pool Exhaustion, 6.4.7 Lab: Explore DHCP Troubleshooting, 6.4.8 Lab: Troubleshoot IP Configuration 1, 6.4.9 Lab: Troubleshoot IP Configuration 2, 6.4.10 Lab: Troubleshoot IP Configuration 3, and the 5 question 6.4.11 Lesson Review Exam to complete the Section.

Assigned: April 30th, 2025
Teacher Pacing Due Date: May 5th, 2025