
Explanation:
As per documentation:
1. Create a virtual network
2. Create a VPN gateway
3. Create a local network gateway
4. Create a VPN connection
5. Verify the connection
6. Connect to a virtual machine
Reference:
https://docs.microsoft.com/en-us/azure/vpn-gateway/tutorial-site-to-site-portal
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpn-gateway-settings
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-howto-site-to-site-classic-portal