Aviatrix Gateway to Azure VPN Gateway

This guide helps you to configure Site2Cloud IPsec tunnels between an Aviatrix Gateway and an Azure Virtual Network Gateway (VNG).

Configuration Workflow

Before you start, make sure you have the latest software by checking the Dashboard. If an alert message displays, click Upgrade to download the latest software.

The Site2Cloud on CloudN configuration workflow is very simple.

  1. In Aviatrix Controller, go to Gateway page to create one non-VPN gateway.

  2. At the Azure portal, go to the Virtual network gateways page. Fill in the following information to create a new Virtual Network Gateway:

    Name

    Enter an Azure VPN gateway name (e.g. Azure-VPN-GW)

    Gateway

    type: VPN

    VPN type

    Policy-based

    SKU

    Basic

    Location

    Select a desired location

    Virtual network

    Select a desired VNet

  3. Once the virtual network gateway is provisioned, record its public IP address.

  4. In Aviatrix Controller, go to the Site2Cloud page. Fill in the following information to create a Site2Cloud connection:

    VPC ID/VNet Name

    Select the VPC/VNet where your Aviatrix gateway is created at Step 1

    Connection Type

    Unmapped

    Connection Name

    Enter a Site2Cloud connection name

    Remote Gateway Type

    Select Azure VPN

    Algorithms

    Unmark this checkbox

    Encryption over ExpressRoute/ Direct Connect

    Unmark this checkbox

    Enabled HA

    Unmark this checkbox

    Primary Cloud Gateway

    Select the gateway created at Step 1

    Remote Gateway IP Address

    Enter the public IP of your virtual network gateway (collected at Step 3)

    Pre-shared Key

    Enter your own pre-shared key or leave it blank so that Controller will generate one

    Remote Subnet

    Enter the CIDR of the VNet in which your Virtual Network Gateway is created at Step 2

    Local Subnet

    Enter the CIDR of the VPC/VNet in which your Aviatrix Gateway is created at Step 1

  5. Once the Site2Cloud connection is created, select the same connection at the Site2Cloud page. Select the following values for each specific field and click Download Configuration.

    Vendor

    Generic

    Platform

    Generic

    Software

    Vendor Independent

  6. Collect the following information from the downloaded configuration template:

    Pre-Shared Key from #1 Internet Key Exchange Configuration

    Aviatrix Gateway Public IP from #3

    Tunnel Interface Configuration

    Cloud Network(s) from the Subnets section of #3

    Tunnel Interface Configuration

  7. At the Azure portal, go to the Local network gateways page. Enter the following information to create a local network gateway:

    Name

    Enter a local gateway name (e.g. AVX-GW)

    IP address

    Enter the Aviatrix Gateway’s public IP collected at Step 6

    Address space

    Enter the "Cloud Network" CIDR collected at Step 6

    Configure

    Unmark this checkbox

    BGP settings

  8. At Azure portal, go to Virtual network gateways page and select the gateway created at Step 2.

  9. Select "Connections" from "Settings". Enter the following information to create a connection:

    Name

    Enter a VPN connection name (e.g. Azure-AVX-S2C)

    Connection type

    Select Site-to-site (IPsec)

    Virtual network gateway

    Select the VPN gateway created at Step 2

    Local network gateway

    Select the local gateway created at Step 7

    Shared key (PSK)

    Enter the pre-shared key collected at Step 6

Troubleshooting

To check a tunnel state, go to Site2Cloud. The tunnel status will be displayed in a popup window.

To troubleshoot a tunnel state, go to Site2Cloud > Diagnostics.