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Virtual Network Peering In Azure

In this article, we will discuss virtual network peering in Azure.

Purpose

Virtual network peering enables 2 virtual machines on 2 different virtual networks to set up the connection using their private IP address.

Virtual network peering → This type of virtual network peering creates peering between the virtual network within the same Azure region
Global virtual network peering → This type of virtual network peering creates peering between the virtual network across Azure regions

For virtual network peering, we will work on the following steps: -

In this article, we will create the required resources. First, create 2 virtual networks. Please note that their address spaces should not overlap.

Second, create 2 virtual machines. One virtual machine should be inside "vNet1" and the other virtual machine should be inside "nNet2".

Try to access the IIS server installed on "vm1" from "vm2" using the private IP. You will get a message - "This page can’t be displayed".

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The reason is that both the virtual machines are in different virtual networks and no connection is established between them.

To establish a connection, we will work on the following steps: -

Go to the "Peerings" submenu in any of the virtual networks. For this example, I am working on "vNet1"
Click on the "+ Add" button

Enter the required information and click on the "Add" button
Once the button is clicked, 2 virtual network peering resources will be created (one for each virtual network)

You will be notified in the notification area once the peering is created.

Now, browse virtual machine "vm1" from "vm2’. You can now access the IIS server of "vm1" using the private IP.

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