diff --git a/cloud/aws/vpn/README.md b/cloud/aws/vpn/README.md
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+AWS VPN DataDog monitors
+===============================
+
+How to use this module
+----------------------
+
+```
+module "vpn" {
+  source = "git::ssh://git@bitbucket.org/morea/terraform.feature.datadog.git//cloud/aws/vpn?ref=MON-91-added-aws-vpn-state-check"
+  
+  environment        = "${var.environment}"
+  message            = "${module.datadog-message-alerting.alerting-message}"
+  vpn_tunnel_address = "${var.vpn_to_monitor}"
+}
+```
+
+Purpose
+-------
+Creates a DataDog monitors with the following checks :
+* VPN status
+
+Inputs
+-------
+
+| Name | Description | Type | Default | Required |
+|------|-------------|:----:|:-----:|:-----:|
+| environment | Architecture Environment | string | - | yes |
+| evaluation_delay | Delay in seconds for the metric evaluation | string | `600` | no |
+| filter_tags_custom | Tags used for custom filtering when filter_tags_use_defaults is false | string | `*` | no |
+| filter_tags_use_defaults | Use default filter tags convention | string | `true` | no |
+| message | Message sent when an alert is triggered | string | - | yes |
diff --git a/cloud/aws/vpn/inputs.tf b/cloud/aws/vpn/inputs.tf
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+# Global Terraform
+variable "environment" {
+  description = "Architecture Environment"
+  type        = "string"
+}
+
+# Global DataDog
+variable "evaluation_delay" {
+  description = "Delay in seconds for the metric evaluation"
+  default     = 600
+}
+
+variable "message" {
+  description = "Message sent when an alert is triggered"
+}
+
+variable "filter_tags_use_defaults" {
+  description = "Use default filter tags convention"
+  default     = "true"
+}
+
+variable "filter_tags_custom" {
+  description = "Tags used for custom filtering when filter_tags_use_defaults is false"
+  default     = "*"
+}
diff --git a/cloud/aws/vpn/monitors-vpn.tf b/cloud/aws/vpn/monitors-vpn.tf
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+data "template_file" "filter" {
+  template = "$${filter}"
+
+  vars {
+    filter = "${var.filter_tags_use_defaults == "true" ? format("dd_monitoring:enabled,dd_aws_vpn:enabled,env:%s", var.environment) : "${var.filter_tags_custom}"}"
+  }
+}
+
+resource "datadog_monitor" "VPN_status" {
+  name    = "[${var.environment}] VPN Down"
+  message = "${var.message}"
+
+  query = <<EOF
+        avg(last_5m): (
+          avg:aws.vpn.tunnel_state{${data.template_file.filter.rendered}} by {region,name}
+        ) < 1
+  EOF
+
+  type = "metric alert"
+
+  notify_no_data      = true
+  renotify_interval   = 0
+  evaluation_delay    = "${var.evaluation_delay}"
+  new_host_delay      = "${var.evaluation_delay}"
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  require_full_window = false
+
+  tags = ["env: ${var.environment}", "resource:vpn", "team:aws", "provider:aws"]
+}