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‎articles/load-balancer/TOC.yml

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- name: Samples
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items:
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- name: Azure CLI
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href: cli-samples.md
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items:
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- name: Overview
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href: cli-samples.md
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- name: Load balance traffic to VMs for high availability
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href: ./scripts/load-balancer-linux-cli-sample-nlb.md
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- name: Load balance VMs across availability zones
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href: ./scripts/load-balancer-linux-cli-sample-zone-redundant-frontend.md
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- name: Load balance VMs within a specific availability zone
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href: ./scripts/load-balancer-linux-cli-sample-zonal-frontend.md
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- name: Load balance multiple websites on VMs
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href: ./scripts/load-balancer-linux-cli-load-balance-multiple-websites-vm.md
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- name: Azure PowerShell
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href: powershell-samples.md
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- name: Python

‎articles/load-balancer/scripts/load-balancer-linux-cli-load-balance-multiple-websites-vm.md

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ms.devlang: azurecli
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ms.topic: sample
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ms.workload: infrastructure
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ms.date: 04/20/2018
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ms.date: 03/04/2022
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ms.author: allensu
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ms.custom: devx-track-azurecli
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---
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This Azure CLI script sample creates a virtual network with two virtual machines (VM) that are members of an availability set. A load balancer directs traffic for two separate IP addresses to the two VMs. After running the script, you could deploy web server software to the VMs and host multiple web sites, each with its own IP address.
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[!INCLUDE [sample-cli-install](../../../includes/sample-cli-install.md)]
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[!INCLUDE [quickstarts-free-trial-note](../../../includes/quickstarts-free-trial-note.md)]
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[!INCLUDE [azure-cli-prepare-your-environment.md](../../../includes/azure-cli-prepare-your-environment.md)]
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## Sample script
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[!INCLUDE [cli-launch-cloud-shell-sign-in.md](../../../includes/cli-launch-cloud-shell-sign-in.md)]
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### Run the script
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[!code-azurecli-interactive[main](../../../cli_scripts/load-balancer/load-balance-multiple-web-sites-vm/load-balance-multiple-web-sites-vm.sh "Load balance multiple web sites")]
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:::code language="azurecli" source="~/azure_cli_scripts/load-balancer/load-balance-multiple-web-sites-vm/load-balance-multiple-web-sites-vm.sh" id="FullScript":::
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## Clean up deployment
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## Clean up resources
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Run the following command to remove the resource group, VM, and all related resources.
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[!INCLUDE [cli-clean-up-resources.md](../../../includes/cli-clean-up-resources.md)]
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```azurecli
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az group delete --name myResourceGroup --yes
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az group delete --name $resourceGroup
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```
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## Script explanation
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## Sample reference
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This script uses the following commands to create a resource group, virtual network, load balancer, and all related resources. Each command in the table links to command specific documentation.
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For more information on the Azure CLI, see [Azure CLI documentation](/cli/azure).
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Additional networking CLI script samples can be found in the [Azure Networking Overview documentation](../cli-samples.md?toc=%2fazure%2fnetworking%2ftoc.json).
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Additional networking CLI script samples can be found in the [Azure Networking Overview documentation](../cli-samples.md?toc=%2fazure%2fnetworking%2ftoc.json).

‎articles/load-balancer/scripts/load-balancer-linux-cli-sample-nlb.md

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ms.devlang: azurecli
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ms.topic: sample
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ms.workload: infrastructure
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ms.date: 04/20/2018
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ms.date: 03/04/2022
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ms.author: allensu
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ms.custom: devx-track-azurecli
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---
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# Azure CLI script example: Load balance traffic to VMs for high availability
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This Azure CLI script example creates everything needed to run several Ubuntu virtual machines configured in a highly available and load balanced configuration. After running the script, you will have three virtual machines, joined to an Azure Availability Set, and accessible through an Azure Load Balancer.
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[!INCLUDE [sample-cli-install](../../../includes/sample-cli-install.md)]
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This Azure CLI script example creates everything needed to run several Ubuntu virtual machines configured in a highly available and load balanced configuration. After running the script, you will have three virtual machines, joined to an Azure Availability Set, and accessible through an Azure Load Balancer.
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[!INCLUDE [quickstarts-free-trial-note](../../../includes/quickstarts-free-trial-note.md)]
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[!INCLUDE [azure-cli-prepare-your-environment.md](../../../includes/azure-cli-prepare-your-environment.md)]
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## Sample script
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## Clean up deployment
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[!INCLUDE [cli-launch-cloud-shell-sign-in.md](../../../includes/cli-launch-cloud-shell-sign-in.md)]
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### Run the script
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:::code language="azurecli" source="~/azure_cli_scripts/load-balancer/create-vm-nlb/create-vm-nlb.sh" id="FullScript":::
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## Clean up resources
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Run the following command to remove the resource group, VM, and all related resources.
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[!INCLUDE [cli-clean-up-resources.md](../../../includes/cli-clean-up-resources.md)]
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```azurecli
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az group delete --name myResourceGroup
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az group delete --name $resourceGroup
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```
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## Script explanation
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## Sample reference
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This script uses the following commands to create a resource group, virtual machine, availability set, load balancer, and all related resources. Each command in the table links to command specific documentation.
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For more information on the Azure CLI, see [Azure CLI documentation](/cli/azure).
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Additional Azure Networking CLI script samples can be found in the [Azure Networking documentation](../cli-samples.md).
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Additional Azure Networking CLI script samples can be found in the [Azure Networking documentation](../cli-samples.md).

‎articles/load-balancer/scripts/load-balancer-linux-cli-sample-zonal-frontend.md

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ms.topic: sample
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ms.tgt_pltfrm:
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ms.workload: infrastructure
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ms.date: 06/14/2018
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ms.date: 03/04/2022
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ms.author: allensu
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ms.custom: devx-track-azurecli
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---
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# Azure CLI script example: Load balance traffic to VMs within a specific availability zone
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This Azure CLI script example creates everything needed to run several Ubuntu virtual machines configured in a highly available and load balanced configuration within a specific availability zone. After running the script, you will have three virtual machines in a single availability zones within a region that are accessible through an Azure Standard Load Balancer.
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[!INCLUDE [sample-cli-install](../../../includes/sample-cli-install.md)]
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This Azure CLI script example creates everything needed to run several Ubuntu virtual machines configured in a highly available and load balanced configuration within a specific availability zone. After running the script, you will have three virtual machines in a single availability zones within a region that are accessible through an Azure Standard Load Balancer.
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[!INCLUDE [quickstarts-free-trial-note](../../../includes/quickstarts-free-trial-note.md)]
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[!INCLUDE [azure-cli-prepare-your-environment.md](../../../includes/azure-cli-prepare-your-environment.md)]
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## Sample script
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```azurecli-interactive
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#!/bin/bash
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# Create a resource group.
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az group create \
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--name myResourceGroup \
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--location westeurope
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# Create a virtual network.
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az network vnet create \
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--resource-group myResourceGroup \
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--location westeurope \
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--name myVnet \
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--subnet-name mySubnet
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# Create a zonal Standard public IP address.
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az network public-ip create \
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--resource-group myResourceGroup \
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--name myPublicIP \
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--sku Standard
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--zone 1
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# Create an Azure Load Balancer.
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az network lb create \
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--resource-group myResourceGroup \
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--name myLoadBalancer \
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--public-ip-address myPublicIP \
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--frontend-ip-name myFrontEndPool \
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--backend-pool-name myBackEndPool \
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--sku Standard
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# Creates an LB probe on port 80.
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az network lb probe create \
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--resource-group myResourceGroup \
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--lb-name myLoadBalancer \
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--name myHealthProbe \
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--protocol tcp \
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--port 80
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# Creates an LB rule for port 80.
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az network lb rule create \
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--resource-group myResourceGroup \
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--lb-name myLoadBalancer \
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--name myLoadBalancerRuleWeb \
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--protocol tcp \
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--frontend-port 80 \
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--backend-port 80 \
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--frontend-ip-name myFrontEndPool \
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--backend-pool-name myBackEndPool \
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--probe-name myHealthProbe
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# Create three NAT rules for port 22.
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for i in `seq 1 3`; do
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az network lb inbound-nat-rule create \
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--resource-group myResourceGroup \
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--lb-name myLoadBalancer \
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--name myLoadBalancerRuleSSH$i \
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--protocol tcp \
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--frontend-port 422$i \
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--backend-port 22 \
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--frontend-ip-name myFrontEndPool
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done
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# Create a network security group
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az network nsg create \
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--resource-group myResourceGroup \
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--name myNetworkSecurityGroup
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# Create a network security group rule for port 22.
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az network nsg rule create \
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--resource-group myResourceGroup \
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--nsg-name myNetworkSecurityGroup \
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--name myNetworkSecurityGroupRuleSSH \
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--protocol tcp \
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--direction inbound \
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--source-address-prefix '*' \
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--source-port-range '*' \
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--destination-address-prefix '*' \
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--destination-port-range 22 \
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--access allow \
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--priority 1000
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# Create a network security group rule for port 80.
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az network nsg rule create \
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--resource-group myResourceGroup \
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--nsg-name myNetworkSecurityGroup \
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--name myNetworkSecurityGroupRuleHTTP \
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--protocol tcp \
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--direction inbound \
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--source-address-prefix '*' \
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--source-port-range '*' \
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--destination-address-prefix '*' \
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--destination-port-range 80 \
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--access allow \
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--priority 2000
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# Create three virtual network cards and associate with public IP address and NSG.
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for i in `seq 1 3`; do
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az network nic create \
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--resource-group myResourceGroup \
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--name myNic$i \
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--vnet-name myVnet \
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--subnet mySubnet \
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--network-security-group myNetworkSecurityGroup \
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--lb-name myLoadBalancer \
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--lb-address-pools myBackEndPool \
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--lb-inbound-nat-rules myLoadBalancerRuleSSH$i
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done
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# Create three virtual machines, this creates SSH keys if not present.
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az vm create \
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--resource-group myResourceGroup \
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--name myVM$i \
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--zone 1 \
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--nics myNic$i \
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--image UbuntuLTS \
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--generate-ssh-keys \
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--no-wait
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done
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[!INCLUDE [cli-launch-cloud-shell-sign-in.md](../../../includes/cli-launch-cloud-shell-sign-in.md)]
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```
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### Run the script
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:::code language="azurecli" source="~/azure_cli_scripts/load-balancer/load-balance-vms-within-specific-availability-zone/load-balance-vms-within-specific-availability-zone.sh" id="FullScript":::
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## Clean up deployment
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## Clean up resources
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Run the following command to remove the resource group, VM, and all related resources.
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[!INCLUDE [cli-clean-up-resources.md](../../../includes/cli-clean-up-resources.md)]
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```azurecli
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az group delete --name myResourceGroup
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az group delete --name $resourceGroup
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```
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## Script explanation
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## Sample reference
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This script uses the following commands to create a resource group, virtual machine, availability set, load balancer, and all related resources. Each command in the table links to command specific documentation.
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For more information on the Azure CLI, see [Azure CLI documentation](/cli/azure).
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Additional Azure Networking CLI script samples can be found in the [Azure Networking documentation](../cli-samples.md).
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Additional Azure Networking CLI script samples can be found in the [Azure Networking documentation](../cli-samples.md).

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