The HP 5500 HI Series of Gigabit Ethernet switch delivers outstanding resiliency, security, & multiservice support capabilities at the edge layer of data center, large campus, & metro Ethernet networks. The switch can also be used in the core layer of SMB networks. The HP 5500 HI Switch Series supports dual power supply & IRF virtual fabric to provide the highest levels of resiliency & manageability. With complete IPv 4/IPv 6 & MPLS/VPLS features, this series provides investment protection with an easy transition from IPv 4 to IPv 6 networks.