From 9b97ce324878439c7d42066cf8e029a29d62c18d Mon Sep 17 00:00:00 2001
From: HAMIDOUN Houssain <32491303+Hossain007@users.noreply.github.com>
Date: Mon, 15 Jun 2026 13:46:33 +0200
Subject: [PATCH] Update NVA deployment instructions and subnet creation

Added steps to create the required subnets which was missing. Without it, azure will pick up defaults and students will likely not have the right subnets to do the lab.
---
 .../includes/5-exercise-create-nva-vm.md      | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/learn-pr/azure/control-network-traffic-flow-with-routes/includes/5-exercise-create-nva-vm.md b/learn-pr/azure/control-network-traffic-flow-with-routes/includes/5-exercise-create-nva-vm.md
index b88edd5efd5..31f63922ff0 100644
--- a/learn-pr/azure/control-network-traffic-flow-with-routes/includes/5-exercise-create-nva-vm.md
+++ b/learn-pr/azure/control-network-traffic-flow-with-routes/includes/5-exercise-create-nva-vm.md
@@ -10,6 +10,37 @@ In the following steps, you'll deploy an NVA. You'll then update the Azure virtu
 
 [!INCLUDE[](../../../includes/azure-optional-exercise-subscription-note.md)]
 
+## Create the required subnets
+
+1. The public subnet:
+
+    ```azurecli
+    az network vnet subnet create \
+        --resource-group "myResourceGroupName" \
+        --vnet-name vnet \
+        --name publicsubnet \
+        --address-prefixes 10.0.0.0/24
+    ```
+
+2. The private subnet:
+    ```azurecli
+    az network vnet subnet create \
+        --resource-group "myResourceGroupName" \
+        --vnet-name vnet \
+        --name privatesubnet \
+        --address-prefixes 10.0.1.0/24
+    ```
+
+3. The dmz subnet:
+    ```azurecli
+    az network vnet subnet create \
+        --resource-group "myResourceGroupName" \
+        --vnet-name vnet \
+        --name dmzsubnet \
+        --address-prefixes 10.0.2.0/24
+    ```
+
+
 ## Deploy the network virtual appliance
 
 To build the NVA, deploy an Ubuntu LTS instance.