Implement Azure Virtual Network NAT

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Implement Azure Virtual Network NAT

This lab will start with a virtual machine with no public IP. Our task will be to enable outbound, public communication without relying on Azure Bastion. We will accomplish this task by creating a NAT gateway, associating it with our VM's subnet, and verifying that the VM's outbound IP is the same as our NAT gateway.

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Lab Info

Level

Intermediate

Last updated

Sep 25, 2025

Duration

45m

Challenge

Log In to Private VM
Log in to the private VM via Azure Bastion, which is already set up, and verify the current outbound IP via command prompt. This IP is currently supplied by Azure Bastion. We will ultimately want our private VM's IP to be supplied by a NAT gateway.

The command to check the external IP is:
```
dig +short myip.opendns.com @resolver1.opendns.com
```
Challenge

Create a NAT Gateway
- Create a NAT gateway.
- Create a new public IP address associated with the gateway.
Challenge

Associate NAT Gateway with Subnet

Associate the NAT gateway with the subnet that contains our private VM.
Challenge

Check Private VM's New Public IP

We will run the same external IP check command to view the new external IP associated with the private VM. It should match the public IP of our NAT gateway. This will verify that NAT gateway has been properly configured.

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