
Azure local gateway
Local network gateways represent the configuration of your local firewall environment. Within a local network gateway, you configure the public IP of your firewall device as well as the IP spaces you manage within a local environment. The following screenshot shows the Azure service you need to look for when you want to implement an Azure local network gateway:

The following screenshot shows you how to configure a local network gateway:

Currently, it is not possible to work with DNS entries or dynamic public IPs. Azure is also not supporting IPv6 within the environment as a local network gateway at the present time. So you definitely need a public IPv4 IP for your production environment. That may change in the near future when the IPv6 deployment is moving on in Azure.