RV016 support up to 7 WAN connection, and there is two working mode
Intelligent Balancer (Auto Mode): Select this option to balance traffic between all interfaces to increase the available bandwidth. The router balances the traffic between the interfaces in a weighted round robin fashion.
IP Group (By Users): Select this option to group traffic on each WAN interface by priority levels or classes of service (CoS). With this feature, you can ensure bandwidth and higher priority for the specified services and users. All traffic that is not added to the IP Group uses Intelligent Balancer mode. To specify the services and users, click the Edit icon for the WAN interface and then add protocol binding entries for each service, IP address, or range of IP addresses
