Configuring a service requires adding capabilities, policies, and configuring other parameters. You can add DNS, DHCP, or Security capabilities.
Enabling NAT Traversal (NAT-T) is crucial even when your firewall is positioned at the network edge with a public IP address and does not require NAT. Without NAT-T, the VPN connection can be established, but data transmission will not function over the VPN.
For more information, see: