Elastic Load Balancing (ELB) - Troubleshooting

In this course, you will learn how to view configuration information, monitor processes, and gather diagnostic data about the different types of 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: 45 Minutes

Activities

This course includes graphics, contextual explanations, troubleshooting demonstration videos, and resources for problem determination.

Course objectives

In this course, you will learn to:

• Distinguish between 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

Module 1: Introduction

     Lesson 1: What is Elastic Load Balancing?

     Lesson 2: Gathering Information about Your Load Balancers

     Lesson 3: Monitoring Load Balancers

Module 2: Troubleshooting Common Load Balancer Issues

     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

Module 3: Getting Help

Lesson 11: Resources

Lesson 12: Support

Lesson 13: Feedback

Module 1 description

In module one, you will learn about the options available within the ELB service. You will also learn how to find crucial information about your load balancers, as well as how to monitor their status.

Module 2 description

In module two, you will learn about common issues that affect load balancers, as well as troubleshooting methods you can use to resolve them.

Module 3 description

In module three, you will find resources to help resolve ELB issues, as well as guidance for effectively reaching out to AWS Support for further assistance.