Azure Load Balancers

• In Azure we have two types of load Balancers
  • Azure Load Balancer:
    • This is layer 4 LB
  • Azure Application Gateway
    • This is layer 7 LB

Setup

• Lets create two vm images for two websites
  • boxer
  • gym

Boxer Image creation:

• Create a vm and setup boxer website

sudo apt update
sudo apt install nginx unzip -y
cd /tmp
wget https://www.free-css.com/assets/files/free-css-templates/download/page296/oxer.zip
unzip oxer.zip
sudo mv oxer-html /var/www/html/boxer

• Create a resource group called as vmimages
• Now capture the image as shown in the class
  • Gallery: applications
  • vm definition: boxer
  • version: 1.0.0

Gym Image creation:

• Create a vm and setup boxer website

sudo apt update
sudo apt install nginx unzip -y
cd /tmp
wget https://www.free-css.com/assets/files/free-css-templates/download/page296/neogym.zip
unzip neogym.zip
sudo mv /var/www/html/neogym-html/ /var/www/html/
sudo mv /var/www/html/neogym-html/ /var/www/html/gym

• Create a resource group called as vmimages if it doesnot exist
• Now capture the image as shown in the class
  • Gallery: applications
  • vm definition: gym
  • version: 1.0.0

Components

• Type:
  • public: Exposed via a public ip
  • internal: Gets an internal ip to use with in network
• Frontend:
  • This refers to ip of the load balancer
• Backend Pool:
  • This refers to the instances which load balancer is server
    
• Watch classroom video for layer 4 and layer 7 Configuration in Azure