In this course, you will learn how to view configuration information, monitor processes, and gather diagnostic data about the different types of elastic load balancers. You will learn how to use this information to help troubleshoot common issues and provide effective support case details if you need to escalate an issue to Amazon Web Services (AWS) Support.
• Course level: Fundamental
• Duration: 30 minutes
Activities
This course includes presentations, troubleshooting scenarios, and resources for problem determination.
Course objectives
In this course, you will learn to:
• Distinguish among the different load balancer types: application, network, gateway, and classic
• Recognize symptoms of common load balancer issues such as HTTP errors and health check errors
• Employ best-practice troubleshooting methodologies to investigate load balancer issues
• Locate and apply available AWS Support documentation for load balancer issues
• Recognize and record relevant information to escalate load balancer issues to the AWS Support team
Intended audience
This course is intended for:
• SysOps administrators who manage Elastic Load Balancing (ELB) solutions
Prerequisites
We recommend that attendees of this course have:
• Basic knowledge of ELB concepts
• Experience managing specific types of load balancers 
Course outline
Lesson 1: What is Elastic Load Balancing?
Lesson 2: Gathering information about your load balancers
Lesson 3: Monitoring load balancers
Lesson 4: General problem determination
Lesson 5: Common HTTP errors
Lesson 6: Health check issues – Classic Load Balancer
Lesson 7: Health check issues – Application Load Balancer
Lesson 8: Client connectivity issues
Lesson 9: Troubleshooting the Network Load Balancer
Lesson 10: Troubleshooting the Gateway Load Balancer
Lesson 11: Getting help
