Book Image

Practical AWS Networking

By : Mitesh Soni
Book Image

Practical AWS Networking

By: Mitesh Soni

Overview of this book

Amazon Web Services (AWS) dominates the public cloud market by a huge margin and continues to be the first choice for many organizations. Networking has been an area of focus for all the leading cloud service providers. AWS has a suite of network-related products which help in performing network related task on AWS. This book initially covers the basics of networking in AWS. Then we use AWS VPC to create an isolated virtual cloud for performing network-related tasks. We then provide an overview of AWS Direct Connect after taking a deep dive into scalability and load balancing using the auto scaling feature, Elastic Load Balancing, and Amazon Route S3. Toward the end of the book, we cover troubleshooting tips and security best practices for your network. By the end of this book, you will have hands-on experience of working with network tasks on AWS.
Table of Contents (15 chapters)
Title Page

Unhealthy targets for Elastic Load Balancing

While using Elastic Load Balancing, you may face issues when accessing an application.

Problem Statement: The targets in the Target Groups that are assigned to Elastic Load Balancing are unhealthy.

The solution to the preceding problem statement is as follows:

  1. Check whether all the targets serving the Elastic Load Balancing are healthy. Use port 80 to verify the listener:
  1. Go to the Target Groups assigned to Elastic Load Balancing.
  2. In the Targets tab, verify the registered targets and make sure that the targets have the port that has Tomcat running on it. In this case, Tomcat is running on 8080:
  1. Go to Health checks and edit the path where the application is accessible.
  2. Configure Timeout, Interval, and Success codes:
  1. Wait until the interval time and check the status of Targets again.