TurboIron/8 Layer 3 Switch is a stackable switching router that offers all Gigabit Ethernet backbone routing and provides 8 ports of Gigabit Ethernet (fiber). It can be field upgraded to provide Layer 4-7 switching that improves the availability, performance, and scalability of Internet services such as content publishing, web hosting, and e-commerce. TurboIron/8 provides an extensive suite of load balancing and transparent cache switching features.