Enables multi-protocol LAN-to-LAN, LAN-to-WAN, virtual private network (VPN), and network address translation (NAT) routing ...

Enables multi-protocol LAN-to-LAN, LAN-to-WAN, virtual private network (VPN), and network address translation (NAT) routing services for clients and servers on this network. If this service is stopped, these services will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start