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Merge pull request #28 from MicrosoftCloudEssentials-LearningHub/expressroute
overview expressroute sample
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‎3_networking/expressroute/README.md‎

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# Terraform Template - Azure ExpressRoute
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Costa Rica
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[![GitHub](https://img.shields.io/badge/--181717?logo=github&logoColor=ffffff)](https://github.com/)
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[brown9804](https://github.com/brown9804)
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Last updated: 2025-06-12
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----------
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> This template contains Terraform configurations to create and manage an Azure ExpressRoute circuit, including provider, peering location, and bandwidth settings.
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> [!NOTE]
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> ExpressRoute circuits require coordination with your chosen service provider.
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<p align="center">
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<img width="700" alt="image" src="https://github.com/user-attachments/assets/7001446c-e5cc-4a16-b443-5a5689f31f68">
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</p>
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## File Descriptions
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- **main.tf**: Contains the main configuration for creating the Azure ExpressRoute circuit.
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- **variables.tf**: Defines the input variables used in the Terraform configuration.
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- **terraform.tfvars**: Provides default values for the variables defined in `variables.tf`.
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- **outputs.tf**: Defines the outputs such as ExpressRoute circuit ID and service key.
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## Variables
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| Variable Name | Description | Type | Example Value |
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|------------------------ |--------------------------------------------------|--------|-----------------------------|
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| `subscription_id` | The Azure subscription ID | string | `"00000000-0000-0000-0000-000000000000"` |
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| `resource_group_name` | The name of the resource group | string | `"my-expressroute-rg"` |
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| `location` | The Azure region to deploy resources | string | `"eastus"` |
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| `expressroute_name` | The name of the ExpressRoute circuit | string | `"my-expressroute"` |
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| `service_provider_name` | The name of the ExpressRoute service provider | string | `"Equinix"` |
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| `peering_location` | The peering location for the ExpressRoute circuit| string | `"Silicon Valley"` |
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| `bandwidth_in_mbps` | The bandwidth in Mbps for the circuit | number | `200` |
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| `sku_tier` | The SKU tier for ExpressRoute | string | `"Standard"` |
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| `sku_family` | The SKU family for ExpressRoute | string | `"MeteredData"` |
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## Usage
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1. Clone the repository and navigate to the expressroute directory.
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2. Update the `terraform.tfvars` file with your values.
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3. Initialize and apply the Terraform configuration:
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```bash
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terraform init
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terraform plan
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terraform apply
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```
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## Outputs
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| Output Name | Description |
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|----------------------------|---------------------------------------------|
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| `expressroute_id` | The ID of the ExpressRoute circuit |
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| `expressroute_service_key` | The service key of the ExpressRoute circuit |
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<div align="center">
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<h3 style="color: #4CAF50;">Total Visitors</h3>
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<img src="https://profile-counter.glitch.me/brown9804/count.svg" alt="Visitor Count" style="border: 2px solid #4CAF50; border-radius: 5px; padding: 5px;"/>
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</div>

‎3_networking/expressroute/main.tf‎

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# main.tf
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# This file contains the main configuration for creating an Azure ExpressRoute circuit.
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# Resource Group
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resource "azurerm_resource_group" "er" {
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name = var.resource_group_name
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location = var.location
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}
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# ExpressRoute Circuit
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resource "azurerm_express_route_circuit" "er" {
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name = var.expressroute_name
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location = azurerm_resource_group.er.location
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resource_group_name = azurerm_resource_group.er.name
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service_provider_name = var.service_provider_name
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peering_location = var.peering_location
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bandwidth_in_mbps = var.bandwidth_in_mbps
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sku {
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tier = var.sku_tier
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family = var.sku_family
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}
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}

‎3_networking/expressroute/outputs.tf‎

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# outputs.tf
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# This file defines the outputs for the ExpressRoute configuration.
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output "expressroute_id" {
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description = "The ID of the ExpressRoute circuit"
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value = azurerm_express_route_circuit.er.id
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}

‎3_networking/expressroute/provider.tf‎

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# provider.tf
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# This file configures the Azure provider to interact with Azure resources.
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# It specifies the required provider and its version, along with provider-specific configurations.
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terraform {
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required_version = ">= 1.8, < 2.0"
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# Specify the required provider and its version
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required_providers {
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azurerm = {
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source = "hashicorp/azurerm" # Source of the AzureRM provider
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version = "~> 4.16.0" # Version of the AzureRM provider
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}
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}
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}
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provider "azurerm" {
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features {} # Enable all features for the AzureRM provider
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subscription_id = var.subscription_id # Use the subscription ID variable
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}

‎3_networking/expressroute/terraform.tfvars‎

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# terraform.tfvars
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# This file provides default values for the variables defined in variables.tf.
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# These values can be overridden by specifying different values during Terraform execution.
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# Azure Subscription
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subscription_id = "" # "your-subscription-id"
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# Resource Group
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resource_group_name = "RG-expressroute-test"
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location = "eastus"
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# ExpressRoute Configuration
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expressroute_name = "my-expressroute"
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service_provider_name = "Equinix"
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peering_location = "Silicon Valley"
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bandwidth_in_mbps = 200
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sku_tier = "Standard"
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sku_family = "MeteredData"

‎3_networking/expressroute/variables.tf‎

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# variables.tf
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# This file defines the input variables used in the Terraform configuration.
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variable "subscription_id" {
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description = "The Azure subscription ID"
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type = string
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}
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variable "resource_group_name" {
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description = "The name of the resource group"
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type = string
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}
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variable "location" {
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description = "The Azure region to deploy resources"
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type = string
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}
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variable "expressroute_name" {
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description = "The name of the ExpressRoute circuit"
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type = string
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}
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variable "service_provider_name" {
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description = "The name of the ExpressRoute service provider"
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type = string
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}
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variable "peering_location" {
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description = "The peering location for the ExpressRoute circuit"
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type = string
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}
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variable "bandwidth_in_mbps" {
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description = "The bandwidth in Mbps for the ExpressRoute circuit"
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type = number
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}
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variable "sku_tier" {
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description = "The SKU tier for ExpressRoute (Standard or Premium)"
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type = string
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default = "Standard"
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}
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variable "sku_family" {
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description = "The SKU family for ExpressRoute (MeteredData or UnlimitedData)"
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type = string
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default = "MeteredData"
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}

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