A Forwarding (IP) virtual server is unique because it does not perform load balancing in the traditional sense.
No Pool Members: Unlike a Standard virtual server, which requires a pool to direct traffic, a Forwarding (IP) virtual server typically has no pool assigned .
Destination-Based Routing: The BIG-IP system looks at the destination IP address in the original packet header sent by the client. It then consults the BIG-IP system ' s local routing table to determine where to send the packet.
Transparency: It acts as a high-performance router/gateway, often used to forward traffic from internal servers to the internet or across different subnets while still allowing the BIG-IP to apply features like SNAT or bandwidth controllers.
Stateful Tracking: While it forwards traffic based on the routing table, it still creates an entry in the connection table to track the flow (unless it is a Stateless virtual server).
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