Hands-on: Creating and Configuring an AWS Network Load Balancer (NLB)

In this tutorial, we walk through the process of creating, configuring, and troubleshooting an AWS Network Load Balancer (NLB). The key steps include:

1. Creating the NLB
2. Configuring Security Groups
3. Setting Up Target Groups and Health Checks
4. Troubleshooting and Verifying Traffic Flow
5. Cleaning Up Resources to Avoid Costs

1. Creating a Network Load Balancer

Step 1: Start Creating the NLB

• Navigate to EC2 Console → Select Load Balancers → Click Create Load Balancer.
• Choose Network Load Balancer.
• Set Name: DemoNLB.
• Scheme: Select Internet-facing.
• IP Address Type: Choose IPv4.

Step 2: Configure Availability Zones & IPs

• Select the VPC.
• Enable all required Availability Zones (AZs).
• AWS will assign a static IPv4 address per AZ. Alternatively, you can assign an Elastic IP for each AZ.