You have an Azure virtual network named Vnet1 and an on-premises network.
The on-premises network has policy-based VPN devices. In Vnet1, you deploy a virtual network gateway named GW1 that uses a SKU of VpnGw1 and is route-based.
You have a Site-to-Site VPN connection for GW1 as shown in the following exhibit.
You need to ensure that the on-premises network can connect to the route-based GW1. What should you do before you create the connection?